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225 results on '"Shibata, T.-A."'

1. Test of lepton flavor universality and search for lepton flavor violation in $B \to K \ell\ell$ decays

Author: Abdesselam, A., Adachi, I., Adamczyk, K., Ahn, J.K., Aihara, H., Al Said, S., Arinstein, K., Arita, Y., Asner, D.M., Atmacan, H., Aulchenko, V., Aushev, T., Ayad, R., Aziz, T., Babu, V., Badhrees, I., Bahinipati, S., Bakich, A.M., Ban, Y., Bansal, V., Barberio, E., Barrett, M., Bartel, W., Behera, P., Beleño, C., Belous, K., Bennett, J., Berger, M., Bernlochner, F., Besson, D., Bhardwaj, V., Bhuyan, B., Bilka, T., Biswal, J., Bloomfield, T., Bobrov, A., Bondar, A., Bonvicini, G., Bozek, A., Bračko, M., Braun, N., Breibeck, F., Browder, T.E., Campajola, M., Cao, L., Caria, G., Červenkov, D., Chang, M.-C., Chang, P., Chao, Y., Cheaib, R., Chekelian, V., Chen, A., Chen, K.-F., Chen, Y., Cheon, B.G., Chilikin, K., Chistov, R., Cho, H.E., Cho, K., Chobanova, V., Choi, S.-K., Choi, Y., Choudhury, S., Cinabro, D., Crnkovic, J., Cunliffe, S., Czank, T., Danilov, M., Dash, N., De Nardo, G., Di Carlo, S., Di Capua, F., Dingfelder, J., Doležal, Z., Dong, T.V., Dossett, D., Drásal, Z., Drutskoy, A., Dubey, S., Dutta, D., Eidelman, S., Epifanov, D., Fast, J.E., Feindt, M., Ferber, T., Frey, A., Frost, O., Fulsom, B.G., Garg, R., Gaur, V., Gabyshev, N., Garmash, A., Gelb, M., Gemmler, J., Getzkow, D., Giordano, F., Giri, A., Goldenzweig, P., Golob, B., Greenwald, D., Grosse Perdekamp, M., Grygier, J., Grzymkowska, O., Guan, Y., Guido, E., Guo, H., Haba, J., Hamer, P., Hara, K., Hara, T., Hartbrich, O., Hasegawa, Y., Hasenbusch, J., Hayasaka, K., Hayashii, H., He, X.H., Heck, M., Hedges, M.T., Heffernan, D., Heider, M., Heller, A., Higuchi, T., Hirose, S., Hoshi, Y., Hoshina, K., Hou, W.-S., Hsiung, Y.B., Hsu, C.-L., Huang, K., Huschle, M., Igarashi, Y., Iijima, T., Imamura, M., Inami, K., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Iwata, S., Jacobs, W.W., Jaegle, I., Jang, E.-J., Jeon, H.B., Jia, S., Jin, Y., Joffe, D., Jones, M., Joo, C.W., Joo, K.K., Julius, T., Kahn, J., Kakuno, H., Kaliyar, A.B., Kang, J.H., Kang, K.H., Kapusta, P., Karyan, G., Kataoka, S.U., Kato, Y., Katrenko, P., Kawai, H., Kawasaki, T., Keck, T., Kichimi, H., Kiesling, C., Kim, B.H., Kim, C.H., Kim, D.Y., Kim, H.-J., Kim, J.B., Kim, K.T., Kim, S.H., Kim, S.K., Kim, Y.J., Kimmel, T., Kindo, H., Kinoshita, K., Kleinwort, C., Klucar, J., Kobayashi, N., Kodyš, P., Koga, Y., Konno, T., Korpar, S., Kotchetkov, D., Kouzes, R.T., Križan, P., Kroeger, R., Krohn, J.-F., Krokovny, P., Kronenbitter, B., Kuhr, T., Kulasiri, R., Kumar, R., Kumita, T., Kurihara, E., Kuroki, Y., Kuzmin, A., Kvasnička, P., Kwon, Y.-J., Lai, Y.-T., Lalwani, K., Lange, J.S., Lee, I.S., Lee, J.K., Lee, J.Y., Lee, S.C., Leitgab, M., Leitner, R., Levit, D., Lewis, P., Li, C.H., Li, H., Li, L.K., Li, Y.B., Li Gioi, L., Libby, J., Lieret, K., Limosani, A., Liptak, Z., Liu, C., Liu, Y., Liventsev, D., Loos, A., Louvot, R., Lu, P.-C., Lubej, M., Luo, T., MacNaughton, J., Masuda, M., Matsuda, T., Matvienko, D., McNeil, J.T., Merola, M., Metzner, F., Miyabayashi, K., Miyachi, Y., Miyake, H., Miyata, H., Miyazaki, Y., Mizuk, R., Mohanty, G.B., Mohanty, S., Moon, H.K., Moon, T.J., Mori, T., Morii, T., Moser, H.-G., Mrvar, M., Müller, T., Muramatsu, N., Mussa, R., Nagasaka, Y., Nakahama, Y., Nakamura, I., Nakamura, K.R., Nakano, E., Nakano, T., Nakao, M., Nakayama, H., Nakazawa, H., Nanut, T., Nath, K.J., Natkaniec, Z., Nayak, M., Neichi, K., Ng, C., Niebuhr, C., Niiyama, M., Nisar, N.K., Nishida, S., Nishimura, K., Nitoh, O., Ogawa, A., Ogawa, K., Ogawa, S., Ohshima, T., Okuno, S., Olsen, S.L., Ono, H., Onuki, Y., Ostrowicz, W., Oswald, C., Ozaki, H., Pakhlov, P., Pakhlova, G., Pal, B., Pang, T., Panzenböck, E., Pardi, S., Park, C.-S., Park, H., Park, K.S., Park, S.-H., Patra, S., Paul, S., Pavelkin, I., Pedlar, T.K., Peng, T., Pesántez, L., Pestotnik, R., Peters, M., Piilonen, L.E., Popov, V., Prasanth, K., Prencipe, E., Prim, M.T., Prothmann, K., Purohit, M.V., Rabusov, A., Rauch, J., Reisert, B., Resmi, P.K., Ribežl, E., Ritter, M., Rorie, J., Rostomyan, A., Rozanska, M., Russo, G., Sahoo, D., Sahoo, H., Sakai, Y., Salehi, M., Sandilya, S., Santel, D., Santelj, L., Sanuki, T., Sasaki, J., Sasao, N., Sato, Y., Savinov, V., Schlüter, T., Schneider, O., Schnell, G., Schram, M., Schueler, J., Schwanda, C., Schwartz, A.J., Schwenker, B., Seidl, R., Seino, Y., Semmler, D., Senyo, K., Seon, O., Seong, I.S., Sevior, M.E., Shang, L., Shapkin, M., Shebalin, V., Shen, C.P., Shibata, T.-A., Shibuya, H., Shinomiya, S., Shiu, J.-G., Shwartz, B., Sibidanov, A., Simon, F., Singh, J.B., Sinha, R., Smith, K., Sokolov, A., Soloviev, Y., Solovieva, E., Stanič, S., Starič, M., Steder, M., Stottler, Z., Strube, J.F., Stypula, J., Sugihara, S., Sugiyama, A., Sumihama, M., Sumisawa, K., Sumiyoshi, T., Sutcliffe, W., Suzuki, K., Suzuki, S.Y., Takeichi, H., Takizawa, M., Tamponi, U., Tanaka, M., Tanaka, S., Tanida, K., Taniguchi, N., Tao, Y., Taylor, G.N., Tenchini, F., Teramoto, Y., Trabelsi, K., Tsuboyama, T., Uchida, M., Ueda, I., Uehara, S., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Ushiroda, Y., Usov, Y., Vahsen, S.E., Van Hulse, C., Van Tonder, R., Vanhoefer, P., Varner, G., Varvell, K.E., Vervink, K., Vinokurova, A., Vorobyev, V., Vossen, A., Wagner, M.N., Waheed, E., Wang, Biao, Wang, C.H., Wang, M.-Z., Wang, P., Wang, X.L., Watanabe, M., Watanabe, Y., Watanuki, S., Wedd, R., Wehle, S., Widmann, E., Wiechczynski, J., Williams, K.M., Won, E., Yabsley, B.D., Yamada, S., Yamamoto, H., Yamashita, Y., Yang, S.B., Yashchenko, S., Ye, H., Yelton, J., Yin, J.H., Yook, Y., Yuan, C.Z., Yusa, Y., Zakharov, S., Zhang, C.C., Zhang, J., Zhang, L.M., Zhang, Z.P., Zhao, L., Zhilich, V., Zhukova, V., Zhulanov, V., Zivko, T., Zupanc, A., Zwahlen, N., Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (IJCLab), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), and BELLE
Subjects: FCNC Interaction, Upsilon(10570): electroproduction, dilepton: mass spectrum, B: semileptonic decay, Flavour Changing Neutral Currents, isospin: asymmetry, e+-e− Experiments, FOS: Physical sciences, BELLE, B: branching ratio: measured, electron positron: annihilation, B physics, High Energy Physics - Experiment, electron: pair production, Flavor physics, High Energy Physics - Experiment (hep-ex), KEK-B, lepton: flavor: universality, +K+electron+positron%22">B --> K electron positron, +K+muon%2B+muon%22">B --> K muon+ muon, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], B: pair production, branching ratio: ratio: measured, electron positron: colliding beams, mass dependence, muon: pair production, muon: final state, statistical, experimental results
Abstract: We present measurements of the branching fractions for the decays $B\to K \mu^{+}\mu^{-}$ and $B\to K e^{+}e^{-}$, and their ratio ($R_{K}$), using a data sample of 711 $fb^{-1}$ that contains $772 \times 10^{6}$ $B\bar{B}$ events. The data were collected at the $\Upsilon(4S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^{+}e^{-}$ collider. The ratio $R_{K}$ is measured in five bins of dilepton invariant-mass-squared ($q^{2}$): $q^{2} \in (0.1, 4.0), (4.0, 8.12), (1.0, 6.0)$, $(10.2, 12.8)$ and ($>14.18) GeV^{2}/c^{4}$, along with the whole $q^2$ region. The $R_{K}$ value for $q^{2} \in (1.0, 6.0) GeV^{2}/c^{4}$ is $1.03^{+0.28}_{-0.24} \pm 0.01$. The first and second uncertainties listed are statistical and systematic, respectively. All results for $R_{K}$ are consistent with Standard Model predictions. We also measure $C\!P$-averaged isospin asymmetries in the same $q^{2}$ bins. The results are consistent with a null asymmetry, with the largest difference of 2.6 standard deviations occurring for the $q^{2}\in(1.0,6.0) GeV^{2}/c^{4}$ bin in the mode with muon final states. The measured differential branching fractions, ${d\cal B}/{dq^{2}}$, are consistent with theoretical predictions for charged $B$ decays, while the corresponding values are below the expectations for neutral $B$ decays. We have also searched for lepton-flavor-violating $B \rightarrow K\mu^{\pm}e^{\mp}$ decays and set $90\%$ confidence-level upper limits on the branching fraction in the range of $10^{-8}$ for $B^{+} \rightarrow K^{+}\mu^{\pm}e^{\mp}$, and $B^{0} \rightarrow K^{0}\mu^{\pm}e^{\mp}$ modes., Comment: 18 pages, 7 figures
Published: 2021

2. Test of lepton flavor universality and search for lepton flavor violation in B → Kℓℓ decays

Author: Abdesselam, A., Adachi, I., Aulchenko, V., Greenwald, D., Grosse Perdekamp, M., Grygier, J., Grzymkowska, O., Guan, Y., Guido, E., Guo, H., Haba, J., Hamer, P., Hara, K., Aushev, T., Hara, T., Hartbrich, O., Hasegawa, Y., Hasenbusch, J., Hayasaka, K., Hayashii, H., He, X. H., Heck, M., Hedges, M. T., Heffernan, D., Ayad, R., Heider, M., Heller, A., Higuchi, T., Hirose, S., Hoshi, Y., Hoshina, K., Hou, W.-S., Hsiung, Y. B., Hsu, C.-L., Huang, K., Aziz, T., Huschle, M., Igarashi, Y., Iijima, T., Imamura, M., Inami, K., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Babu, V., Iwata, S., Jacobs, W. W., Jaegle, I., Jang, E.-J., Jeon, H. B., Jia, S., Jin, Y., Joffe, D., Jones, M., Joo, C. W., Badhrees, I., Joo, K. K., Julius, T., Kahn, J., Kakuno, H., Kaliyar, A. B., Kang, J. H., Kang, K. H., Kapusta, P., Karyan, G., Kataoka, S. U., Bahinipati, S., Kato, Y., Katrenko, P., Kawai, H., Kawasaki, T., Keck, T., Kichimi, H., Kiesling, C., Kim, B. H., Kim, C. H., Kim, D. Y., Bakich, A. M., Kim, H. J., Kim, H.-J., Kim, J. B., Kim, K. T., Kim, S. H., Kim, S. K., Kim, Y. J., Kimmel, T., Kindo, H., Kinoshita, K., Ban, Y., Kleinwort, C., Klucar, J., Kobayashi, N., Kodyš, P., Koga, Y., Konno, T., Korpar, S., Kotchetkov, D., Kouzes, R. T., Križan, P., Bansal, V., Kroeger, R., Krohn, J.-F., Krokovny, P., Kronenbitter, B., Kuhr, T., Kulasiri, R., Kumar, R., Kumita, T., Kurihara, E., Kuroki, Y., Adamczyk, K., Barberio, E., Kuzmin, A., Kvasnička, P., Kwon, Y.-J., Lai, Y.-T., Lalwani, K., Lange, J. S., Lee, I. S., Lee, J. K., Lee, J. Y., Lee, S. C., Barrett, M., Leitgab, M., Leitner, R., Levit, D., Lewis, P., Li, C. H., Li, H., Li, L. K., Li, Y., Li, Y. B., Li Gioi, L., Bartel, W., Libby, J., Lieret, K., Limosani, A., Liptak, Z., Liu, C., Liu, Y., Liventsev, D., Loos, A., Louvot, R., Lu, P.-C., Behera, P., Lubej, M., Luo, T., MacNaughton, J., Masuda, M., Matsuda, T., Matvienko, D., McNeil, J. T., Merola, M., Metzner, F., Miyabayashi, K., Beleño, C., Miyachi, Y., Miyake, H., Miyata, H., Miyazaki, Y., Mizuk, R., Mohanty, G. B., Mohanty, S., Moon, H. K., Moon, T. J., Mori, T., Belous, K., Morii, T., Moser, H.-G., Mrvar, M., Müller, T., Muramatsu, N., Mussa, R., Nagasaka, Y., Nakahama, Y., Nakamura, I., Nakamura, K. R., Bennett, J., Nakano, E., Nakano, T., Nakao, M., Nakayama, H., Nakazawa, H., Nanut, T., Nath, K. J., Natkaniec, Z., Nayak, M., Neichi, K., Berger, M., Ng, C., Niebuhr, Carsten, Niiyama, M., Nisar, N. K., Nishida, S., Nishimura, K., Nitoh, O., Ogawa, A., Ogawa, K., Ogawa, S., Bernlochner, F., Ohshima, T., Okuno, S., Olsen, S. L., Ono, H., Onuki, Y., Ostrowicz, W., Oswald, C., Ozaki, H., Pakhlov, P., Pakhlova, G., Besson, D., Pal, B., Pang, T., Panzenböck, E., Pardi, S., Park, C.-S., Park, C. W., Park, H., Park, K. S., Park, S.-H., Patra, S., Ahn, J. K., Bhardwaj, V., Paul, S., Pavelkin, I., Pedlar, T. K., Peng, T., Pesántez, L., Pestotnik, R., Peters, M., Piilonen, L. E., Popov, V., Prasanth, K., Bhuyan, B., Prencipe, E., Prim, M. T., Prothmann, K., Purohit, M. V., Rabusov, A., Rauch, J., Reisert, B., Resmi, P. K., Ribežl, E., Ritter, M., Bilka, T., Rorie, J., Rostomyan, A., Rozanska, M., Russo, G., Sahoo, D., Sahoo, H., Sakai, Y., Salehi, M., Santel, D., Sandilya, Saurabh, Biswal, J., Santelj, L., Sanuki, T., Sasaki, J., Sasao, N., Sato, Y., Savinov, V., Schlüter, T., Schneider, O., Schnell, G., Schram, M., Bloomfield, T., Schueler, J., Schwanda, C., Schwartz, A. J., Schwenker, B., Seidl, R., Seino, Y., Semmler, D., Senyo, K., Seon, O., Seong, I. S., Bobrov, A., Sevior, M. E., Shang, L., Shapkin, M., Shebalin, V., Shen, C. P., Shibata, T.-A., Shibuya, H., Shinomiya, S., Shiu, J.-G., Shwartz, B., Bondar, A., Sibidanov, A., Simon, F., Singh, J. B., Sinha, R., Smith, K., Sokolov, A., Soloviev, Y., Solovieva, E., Stanič, S., Starič, M., Bonvicini, G., Steder, M., Stottler, Z., Strube, J. F., Stypula, J., Sugihara, S., Sugiyama, A., Sumihama, M., Sumisawa, K., Sumiyoshi, T., Sutcliffe, W., Bozek, A., Suzuki, K., Suzuki, S., Suzuki, S. Y., Takeichi, H., Takizawa, M., Tamponi, U., Tanaka, M., Tanaka, S., Tanida, K., Bračko, M., Taniguchi, N., Tao, Y., Taylor, G. N., Tenchini, F., Teramoto, Y., Trabelsi, K., Tsuboyama, T., Uchida, M., Ueda, I., Uehara, S., Aihara, H., Braun, N., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Ushiroda, Y., Usov, Y., Vahsen, S. E., Van Hulse, C., Van Tonder, R., Vanhoefer, P., Breibeck, F., Varner, G., Varvell, K. E., Vervink, K., Vinokurova, A., Vorobyev, V., Vossen, A., Wagner, M. N., Waheed, E., Wang, B., Wang, C. H., Browder, T. E., Wang, M.-Z., Wang, P., Wang, X. L., Watanabe, M., Watanabe, Y., Watanuki, S., Wedd, R., Wehle, S., Widmann, E., Wiechczynski, J., Campajola, M., Williams, K. M., Won, E., Yabsley, B. D., Yamada, S., Yamamoto, H., Yamashita, Y., Yang, S. B., Yashchenko, S., Ye, H., Yelton, J., Cao, L., Yin, J. H., Yook, Y., Yuan, C. Z., Yusa, Y., Zakharov, S., Zhang, C. C., Zhang, J., Zhang, L. M., Zhang, Z. P., Zhao, L., Caria, G., Zhilich, V., Zhukova, V., Zhulanov, V., Zivko, T., Zupanc, A., Zwahlen, N., Belle Collaboration, Červenkov, D., Chang, M.-C., Chang, P., Chao, Y., Al Said, S., Cheaib, R., Chekelian, V., Chen, A., Chen, K.-F., Chen, Y., Cheon, B. G., Chilikin, K., Chistov, R., Cho, H. E., Cho, K., Arinstein, K., Chobanova, V., Choi, S.-K., Choi, Y., Choudhury, S., Cinabro, D., Crnkovic, J., Cunliffe, S., Czank, T., Danilov, M., Dash, N., Arita, Y., De Nardo, G., Di Carlo, S., Di Capua, F., Dingfelder, J., Doležal, Z., Dong, T. V., Dossett, D., Drásal, Z., Drutskoy, A., Dubey, S., Asner, D. M., Dutta, D., Eidelman, S., Epifanov, D., Fast, J. E., Feindt, M., Ferber, T., Frey, A., Frost, O., Fulsom, B. G., Garg, R., Atmacan, H., Gaur, V., Gabyshev, N., Garmash, A., Gelb, M., Gemmler, J., Getzkow, D., Giordano, F., Giri, A., Goldenzweig, P., Golob, B., Belle, Collaboration, Campajola, M., De Nardo, G., Di Capua, F., Merola, M., Pardi, S., Russo, G., and Et, Al.
Subjects: FCNC Interaction, B physic, e+-e− Experiments, annihilation [electron positron], 01 natural sciences, mass spectrum [dilepton], B physics, Experiment, Flavor physics, media_common, Physics, e+-e- Experiments, e, e +-e − Experiments, mass dependence, 3. Good health, pair production [B], Isospin, flavor physics, electroproduction [Upsilon(10570)], colliding beams [electron positron], asymmetry [isospin], Nuclear and High Energy Physics, Particle physics, media_common.quotation_subject, Flavour Changing Neutral Currents, BELLE, +, Asymmetry, Standard Model, branching ratio: measured [B], KEKB, KEK-B, +K+electron+positron%22">B --> K electron positron, 0103 physical sciences, +K+muon%2B+muon%22">B --> K muon+ muon, lcsh:Nuclear and particle physics. Atomic energy. Radioactivity, ddc:530, pair production [muon], pair production [electron], 010306 general physics, Muon, 010308 nuclear & particles physics, Branching fraction, Null (mathematics), −, e(+)-e(-) experiments, flavor: universality [lepton], Flavor physic, final state [muon], lcsh:QC770-798, semileptonic decay [B], ratio: measured [branching ratio], statistical, Lepton, experimental results
Abstract: We present measurements of the branching fractions for the decays B → Kμ+μ− and B → Ke+e−, and their ratio (RK), using a data sample of 711 fb−1 that contains 772 × 106$$ B\overline{B} $$ B B ¯ events. The data were collected at the ϒ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e− collider. The ratio RK is measured in five bins of dilepton invariant-mass-squared (q2): q2 ∈ (0.1, 4.0), (4.00, 8.12), (1.0, 6.0), (10.2, 12.8) and (> 14.18) GeV2/c4, along with the whole q2 region. The RK value for q2 ∈ (1.0, 6.0) GeV2/c4 is $$ {1.03}_{-0.24}^{+0.28} $$ 1.03 − 0.24 + 0.28 ± 0.01. The first and second uncertainties listed are statistical and systematic, respectively. All results for RK are consistent with Standard Model predictions. We also measure CP-averaged isospin asymmetries in the same q2 bins. The results are consistent with a null asymmetry, with the largest difference of 2.6 standard deviations occurring for the q2 ∈ (1.0, 6.0) GeV2/c4 bin in the mode with muon final states. The measured differential branching fractions, $$ d\mathrm{\mathcal{B}} $$ d ℬ /dq2, are consistent with theoretical predictions for charged B decays, while the corresponding values are below the expectations for neutral B decays. We have also searched for lepton-flavor-violating B → Kμ±e∓ decays and set 90% confidence-level upper limits on the branching fraction in the range of 10−8 for B+ → K+μ±e∓, and B0 → K0μ±e∓ modes.
Published: 2021

3. Test of Lepton-Flavor Universality in ${B\to K^\ast\ell^+\ell^-}$ Decays at Belle

Author: Abdesselam, A., Adachi, I., Adamczyk, K., Ahn, J.K., Aihara, H., Al Said, S., Arinstein, K., Arita, Y., Asner, D.M., Atmacan, H., Aulchenko, V., Aushev, T., Ayad, R., Aziz, T., Babu, V., Badhrees, I., Bahinipati, S., Bakich, A.M., Ban, Y., Bansal, V., Barberio, E., Barrett, M., Bartel, W., Behera, P., Beleño, C., Belous, K., Berger, M., Bernlochner, F., Besson, D., Bhardwaj, V., Bhuyan, B., Bilka, T., Biswal, J., Bloomfield, T., Bobrov, A., Bondar, A., Bonvicini, G., Bozek, A., Bračko, M., Braun, N., Breibeck, F., Browder, T.E., Campajola, M., Cao, L., Caria, G., Červenkov, D., Chang, M.-C., Chang, P., Chao, Y., Cheaib, R., Chekelian, V., Chen, A., Chen, K.-F., Cheon, B.G., Chilikin, K., Chistov, R., Cho, H.E., Cho, K., Chobanova, V., Choi, S.-K., Choi, Y., Choudhury, S., Cinabro, D., Crnkovic, J., Cunliffe, S., Czank, T., Danilov, M., Dash, N., Di Carlo, S., Dingfelder, J., Doležal, Z., Dong, T.V., Dossett, D., Drásal, Z., Drutskoy, A., Dubey, S., Dutta, D., Eidelman, S., Epifanov, D., Fast, J.E., Feindt, M., Ferber, T., Frey, A., Frost, O., Fulsom, B.G., Garg, R., Gaur, V., Gabyshev, N., Garmash, A., Gelb, M., Gemmler, J., Getzkow, D., Giordano, F., Giri, A., Goldenzweig, P., Golob, B., Greenwald, D., Grosse Perdekamp, M., Grygier, J., Grzymkowska, O., Guan, Y., Guido, E., Guo, H., Haba, J., Hamer, P., Hara, K., Hara, T., Hasegawa, Y., Hasenbusch, J., Hayasaka, K., Hayashii, H., He, X.H., Heck, M., Hedges, M.T., Heffernan, D., Heider, M., Heller, A., Higuchi, T., Hirose, S., Horiguchi, T., Hoshi, Y., Hoshina, K., Hou, W.-S., Hsiung, Y.B., Hsu, C.-L., Huang, K., Huschle, M., Igarashi, Y., Iijima, T., Imamura, M., Inami, K., Inguglia, G., Ishikawa, A., Itagaki, K., Itoh, R., Iwasaki, M., Iwasaki, Y., Iwata, S., Jacobs, W.W., Jaegle, I., Jeon, H.B., Jia, S., Jin, Y., Joffe, D., Jones, M., Joo, C.W., Joo, K.K., Julius, T., Kahn, J., Kakuno, H., Kaliyar, A.B., Kang, J.H., Kang, K.H., Kapusta, P., Karyan, G., Kataoka, S.U., Kato, E., Kato, Y., Katrenko, P., Kawai, H., Kawasaki, T., Keck, T., Kichimi, H., Kiesling, C., Kim, B.H., Kim, C.H., Kim, D.Y., Kim, H.-J., Kim, J.B., Kim, K.T., Kim, S.H., Kim, S.K., Kim, Y.J., Kimmel, T., Kindo, H., Kinoshita, K., Kleinwort, C., Klucar, J., Kobayashi, N., Kodyš, P., Koga, Y., Konno, T., Korpar, S., Kotchetkov, D., Kouzes, R.T., Križan, P., Kroeger, R., Krohn, J.-F., Krokovny, P., Kronenbitter, B., Kuhr, T., Kulasiri, R., Kumar, R., Kumita, T., Kurihara, E., Kuroki, Y., Kuzmin, A., Kvasnička, P., Kwon, Y.-J., Lai, Y.-T., Lalwani, K., Lange, J.S., Lee, I.S., Lee, J.K., Lee, J.Y., Lee, S.C., Leitgab, M., Leitner, R., Levit, D., Lewis, P., Li, C.H., Li, H., Li, L.K., Li, Y.B., Li Gioi, L., Libby, J., Lieret, K., Limosani, A., Liptak, Z., Liu, C., Liu, Y., Liventsev, D., Loos, A., Louvot, R., Lu, P.-C., Lubej, M., Luo, T., MacNaughton, J., Masuda, M., Matsuda, T., Matvienko, D., McNeil, J.T., Merola, M., Metzner, F., Mikami, Y., Miyabayashi, K., Miyachi, Y., Miyake, H., Miyata, H., Miyazaki, Y., Mizuk, R., Mohanty, G.B., Mohanty, S., Moon, H.K., Moon, T.J., Mori, T., Morii, T., Moser, H.-G., Mrvar, M., Müller, T., Muramatsu, N., Mussa, R., Nagasaka, Y., Nakahama, Y., Nakamura, I., Nakamura, K.R., Nakano, E., Nakano, H., Nakano, T., Nakao, M., Nakayama, H., Nakazawa, H., Nanut, T., Nath, K.J., Natkaniec, Z., Nayak, M., Neichi, K., Ng, C., Niebuhr, C., Niiyama, M., Nisar, N.K., Nishida, S., Nishimura, K., Nitoh, O., Ogawa, A., Ogawa, K., Ogawa, S., Ohshima, T., Okuno, S., Olsen, S.L., Ono, H., Ono, Y., Onuki, Y., Ostrowicz, W., Oswald, C., Ozaki, H., Pakhlov, P., Pakhlova, G., Pal, B., Panzenböck, E., Pardi, S., Park, C.-S., Park, H., Park, K.S., Park, S.-H., Patra, S., Paul, S., Pavelkin, I., Pedlar, T.K., Peng, T., Pesántez, L., Pestotnik, R., Peters, M., Piilonen, L.E., Popov, V., Prasanth, K., Prencipe, E., Prim, M., Prothmann, K., Purohit, M.V., Rabusov, A., Rauch, J., Reisert, B., Resmi, P.K., Ribežl, E., Ritter, M., Rorie, J., Rostomyan, A., Rozanska, M., Rummel, S., Russo, G., Sahoo, D., Sahoo, H., Saito, T., Sakai, Y., Salehi, M., Sandilya, S., Santel, D., Santelj, L., Sanuki, T., Sasaki, J., Sasao, N., Sato, Y., Savinov, V., Schlüter, T., Schneider, O., Schnell, G., Schönmeier, P., Schram, M., Schueler, J., Schwanda, C., Schwartz, A.J., Schwenker, B., Seidl, R., Seino, Y., Semmler, D., Senyo, K., Seon, O., Seong, I.S., Sevior, M.E., Shang, L., Shapkin, M., Shebalin, V., Shen, C.P., Shibata, T.-A., Shibuya, H., Shinomiya, S., Shiu, J.-G., Shwartz, B., Sibidanov, A., Simon, F., Singh, J.B., Sinha, R., Smith, K., Sokolov, A., Soloviev, Y., Solovieva, E., Stanič, S., Starič, M., Steder, M., Stottler, Z., Strube, J.F., Stypula, J., Sugihara, S., Sugiyama, A., Sumihama, M., Sumisawa, K., Sumiyoshi, T., Sutcliffe, W., Suzuki, K., Suzuki, S.Y., Suzuki, Z., Takeichi, H., Takizawa, M., Tamponi, U., Tanaka, M., Tanaka, S., Tanida, K., Taniguchi, N., Tao, Y., Taylor, G.N., Tenchini, F., Teramoto, Y., Trabelsi, K., Tsuboyama, T., Uchida, M., Uchida, T., Ueda, I., Uehara, S., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Ushiroda, Y., Usov, Y., Vahsen, S.E., Van Hulse, C., Van Tonder, R., Vanhoefer, P., Varner, G., Varvell, K.E., Vervink, K., Vinokurova, A., Vorobyev, V., Vossen, A., Wagner, M.N., Waheed, E., Wang, B., Wang, C.H., Wang, M.-Z., Wang, P., Wang, X.L., Watanabe, M., Watanabe, Y., Watanuki, S., Wedd, R., Wehle, S., Widmann, E., Wiechczynski, J., Williams, K.M., Won, E., Yabsley, B.D., Yamada, S., Yamamoto, H., Yamashita, Y., Yang, S.B., Yashchenko, S., Ye, H., Yelton, J., Yin, J.H., Yook, Y., Yuan, C.Z., Yusa, Y., Zakharov, S., Zhang, C.C., Zhang, J., Zhang, L.M., Zhang, Z.P., Zhao, L., Zhilich, V., Zhukova, V., Zhulanov, V., Zivko, T., Zupanc, A., Zwahlen, N., Laboratoire de l'Accélérateur Linéaire (LAL), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), and Belle
Subjects: Upsilon(10570): electroproduction, B: semileptonic decay, B: pair production, branching ratio: ratio: measured, K*(892), FOS: Physical sciences, BELLE, electron positron: colliding beams, electron positron: annihilation, High Energy Physics - Experiment, +K*%28892%29+muon%2B+muon%22">B --> K*(892) muon+ muon, electron: pair production, muon: pair production, High Energy Physics - Experiment (hep-ex), KEK-B, lepton: flavor: universality, Elementary Particles and Fields, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], +K*%28892%29+electron+positron%22">B --> K*(892) electron positron, High Energy Physics::Experiment, B: branching ratio, experimental results
Abstract: We present a measurement of $R_{K^{\ast}}$, the branching fraction ratio ${{\cal B}(B\to K^\ast \mu^+ \mu^-)}$/ ${{\cal B}(B\to K^\ast e^+ e^-)}$, for both charged and neutral $B$ mesons. The ratio for the charged case, $R_{K{^{\ast +}}}$, is the first measurement ever performed. In addition, we report absolute branching fractions for the individual modes in bins of the squared dilepton invariant mass, $q^2$. The analysis is based on a data sample of $711~\mathrm{fb}^{-1}$, containing $772\times 10^{6}$ $B\bar B$ events, recorded at the $\Upsilon(4S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^+e^-$ collider. The obtained results are consistent with Standard Model expectations., Comment: Submitted to PRL
Published: 2021

4. Erratum: Measurement of the CKM matrix element $|V_{cb}|$ from $B^0 �� D ^{*�� }��^+ ��_��$ at Belle [Phys. Rev. D 100 , 052007 (2019)]

Author: Waheed, E., Urquijo, P., Asner, D. M., Greenwald, D., Grosse Perdekamp, M., Grygier, J., Grzymkowska, O., Guan, Y., Guido, E., Guo, H., Haba, J., Hamer, P., Hara, K., Atmacan, H., Hara, T., Hasegawa, Y., Hasenbusch, J., Hayasaka, K., Hayashii, H., He, X. H., Heck, M., Hedges, M. T., Heffernan, D., Heider, M., Aulchenko, V., Heller, A., Higuchi, T., Hirose, S., Horiguchi, T., Hoshi, Y., Hoshina, K., Hou, W.-S., Hsiung, Y. B., Hsu, C.-L., Huang, K., Aushev, T., Huschle, M., Igarashi, Y., Iijima, T., Imamura, M., Inami, K., Inguglia, G., Ishikawa, A., Itagaki, K., Itoh, R., Iwasaki, M., Ayad, R., Iwasaki, Y., Iwata, S., Jacobs, W. W., Jaegle, I., Jeon, H. B., Jia, S., Jin, Y., Joffe, D., Jones, M., Joo, K. K., Aziz, T., Julius, T., Kahn, J., Kakuno, H., Kaliyar, A. B., Kang, J. H., Kang, K. H., Kapusta, P., Karyan, G., Kataoka, S. U., Kato, E., Babu, V., Kato, Y., Katrenko, P., Kawai, H., Kawasaki, T., Keck, T., Kichimi, H., Kiesling, C., Kim, B. H., Kim, C. H., Kim, D. Y., Badhrees, I., Kim, H. J., Kim, H.-J., Kim, J. B., Kim, K. T., Kim, S. H., Kim, S. K., Kim, Y. J., Kimmel, T., Kindo, H., Kinoshita, K., Bahinipati, S., Kleinwort, C., Klucar, J., Kobayashi, N., Kodyš, P., Koga, Y., Konno, T., Korpar, S., Kotchetkov, D., Kouzes, R. T., Križan, P., Bakich, A. M., Kroeger, R., Krohn, J.-F., Krokovny, P., Kronenbitter, B., Kuhr, T., Kulasiri, R., Kumar, R., Kumita, T., Kurihara, E., Kuroki, Y., Ferlewicz, D., Ban, Y., Kuzmin, A., Kvasnička, P., Kwon, Y.-J., Lai, Y.-T., Lalwani, K., Lange, J. S., Lee, I. S., Lee, J. K., Lee, J. Y., Lee, S. C., Bansal, V., Leitgab, M., Leitner, R., Levit, D., Lewis, P., Li, C. H., Li, H., Li, L. K., Li, Y., Li, Y. B., Li Gioi, L., Barberio, E., Libby, J., Limosani, A., Liptak, Z., Liu, C., Liu, Y., Liventsev, D., Loos, A., Louvot, R., Lu, P.-C., Lubej, M., Barrett, M., Luo, T., MacNaughton, J., Masuda, M., Matsuda, T., Matvienko, D., Matyja, A., McNeil, J. T., Merola, M., Metzner, F., Mikami, Y., Bartel, W., Miyabayashi, K., Miyachi, Y., Miyake, H., Miyata, H., Miyazaki, Y., Mizuk, R., Mohanty, G. B., Mohanty, S., Moon, H. K., Moon, T. J., Behera, P., Mori, T., Morii, T., Moser, H.-G., Mrvar, M., Müller, T., Muramatsu, N., Mussa, R., Nagasaka, Y., Nakahama, Y., Nakamura, I., Beleño, C., Nakamura, K. R., Nakano, E., Nakano, H., Nakano, T., Nakao, M., Nakayama, H., Nakazawa, H., Nanut, T., Nath, K. J., Natkaniec, Z., Belous, K., Nayak, M., Neichi, K., Ng, C., Niebuhr, C., Niiyama, M., Nisar, N. K., Nishida, S., Nishimura, K., Nitoh, O., Ogawa, A., Berger, M., Ogawa, K., Ogawa, S., Ohshima, T., Okuno, S., Olsen, S. L., Ono, H., Ono, Y., Onuki, Y., Ostrowicz, W., Oswald, C., Bernlochner, F., Ozaki, H., Pakhlov, P., Pakhlova, G., Pal, B., Palka, H., Panzenböck, E., Pardi, S., Park, C.-S., Park, C. W., Park, H., Adachi, I., Besson, D., Park, K. S., Park, S.-H., Paul, S., Pavelkin, I., Pedlar, T. K., Peng, T., Pesántez, L., Pestotnik, R., Peters, M., Piilonen, L. E., Bhardwaj, V., Popov, V., Prasanth, K., Prencipe, E., Prim, M., Prothmann, K., Purohit, M. V., Rabusov, A., Rauch, J., Reisert, B., Resmi, P. K., Bhuyan, B., Ribežl, E., Ritter, M., Rorie, J., Rostomyan, A., Rozanska, M., Rummel, S., Russo, G., Sahoo, D., Sahoo, H., Saito, T., Bilka, T., Sakai, Y., Salehi, M., Sandilya, S., Santel, D., Santelj, L., Sanuki, T., Sasaki, J., Sasao, N., Sato, Y., Savinov, V., Biswal, J., Schlüter, T., Schneider, O., Schnell, G., Schönmeier, P., Schram, M., Schueler, J., Schwanda, C., Schwartz, A. J., Schwenker, B., Seidl, R., Bloomfield, T., Seino, Y., Semmler, D., Senyo, K., Seon, O., Seong, I. S., Sevior, M. E., Shang, L., Shapkin, M., Shebalin, V., Shen, C. P., Bobrov, A., Shibata, T.-A., Shibuya, H., Shinomiya, S., Shiu, J.-G., Shwartz, B., Sibidanov, A., Simon, F., Singh, J. B., Sinha, R., Smith, K., Bondar, A., Sokolov, A., Soloviev, Y., Solovieva, E., Stanič, S., Starič, M., Steder, M., Stottler, Z., Strube, J. F., Stypula, J., Sugihara, S., Bonvicini, G., Sugiyama, A., Sumihama, M., Sumisawa, K., Sumiyoshi, T., Sutcliffe, W., Suzuki, K., Suzuki, S., Suzuki, S. Y., Suzuki, Z., Bozek, A., Takeichi, H., Takizawa, M., Tamponi, U., Tanaka, M., Tanaka, S., Tanida, K., Taniguchi, N., Tao, Y., Taylor, G. N., Tenchini, F., Adamczyk, K., Bračko, M., Teramoto, Y., Tikhomirov, I., Trabelsi, K., Tsuboyama, T., Uchida, M., Uchida, T., Ueda, I., Uehara, S., Uglov, T., Unno, Y., Braun, N., Uno, S., Ushiroda, Y., Usov, Y., Vahsen, S. E., Van Tonder, R., Van Hulse, C., Vanhoefer, P., Varner, G., Varvell, K. E., Vervink, K., Breibeck, F., Vinokurova, A., Vorobyev, V., Vossen, A., Wagner, M. N., Wang, B., Wang, C. H., Wang, M.-Z., Wang, P., Wang, X. L., Watanabe, M., Brodzicka, J., Watanabe, Y., Watanuki, S., Wedd, R., Wehle, S., Widmann, E., Wiechczynski, J., Williams, K. M., Won, E., Yabsley, B. D., Yamada, S., Browder, T. E., Yamamoto, H., Yamashita, Y., Yang, S. B., Yashchenko, S., Ye, H., Yelton, J., Yin, J. H., Yook, Y., Yuan, C. Z., Yusa, Y., Cao, L., Zakharov, S., Zhang, C. C., Zhang, L. M., Zhang, Z. P., Zhao, L., Zhilich, V., Zhukova, V., Zhulanov, V., Zivko, T., Zupanc, A., Caria, G., Zwahlen, N., Belle Collaboration, Červenkov, D., Chang, M.-C., Chang, P., Ahn, J. K., Chao, Y., Cheaib, R., Chekelian, V., Chen, A., Chen, K.-F., Cheon, B. G., Chilikin, K., Chistov, R., Cho, H. E., Cho, K., Aihara, H., Chobanova, V., Choi, S.-K., Choi, Y., Choudhury, S., Cinabro, D., Crnkovic, J., Cunliffe, S., Czank, T., Danilov, M., Dash, N., Al Said, S., Di Carlo, S., Dingfelder, J., Doležal, Z., Dong, T. V., Dossett, D., Drásal, Z., Drutskoy, A., Dubey, S., Dutta, D., Eidelman, S., Arinstein, K., Epifanov, D., Fast, J. E., Feindt, M., Ferber, T., Frey, A., Frost, O., Fulsom, B. G., Garg, R., Gaur, V., Gabyshev, N., Arita, Y., Garmash, A., Gelb, M., Gemmler, J., Getzkow, D., Giordano, F., Giri, A., Glattauer, R., Goh, Y. M., Goldenzweig, P., and Golob, B.
Subjects: parametrization [form factor], data analysis method, Upsilon(10570): electroproduction, S042RA, BELLE, annihilation [electron positron], +D*%282010%29+lepton+antineutrino%22">anti-B0 --> D*(2010) lepton antineutrino, electron positron: annihilation, S042RH, S052CB1, KEK-B, statistical analysis, correction [electroweak interaction], form factor: parametrization, Particle Physics Experiments, ddc:530, form factor [decay], B: pair production, Heavy Quark Effective Theory, Desig=181 [S042], electron positron: colliding beams, pair production [B], electroweak interaction: correction, S042:Desig=181, CKM matrix, electroproduction [Upsilon(10570)], semileptonic decay [anti-B0], colliding beams [electron positron], decay: form factor, anti-B0: semileptonic decay, S042RV, experimental results
Abstract: Physical review / D 103(7), 079901 (2021). doi:10.1103/PhysRevD.103.079901, Published by Inst., Melville, NY
Published: 2021
Full Text: View/download PDF

5. Search for lepton-flavor-violating tau-lepton decays to $\ell\gamma$ at Belle

Author: Abdesselam, A., Adamczyk, K., Barberio, E., Kawasaki, T., Keck, T., Kim, B. H., Kim, H. J., Kim, H.-J., Kim, J. B., Kim, K. T., Kim, S. K., Kim, Y. J., Kim, Y.-K., Barrett, M., Kimmel, T., Kindo, H., Kinoshita, K., Kleinwort, Claus, Klucar, J., Kobayashi, N., Kodyš, P., Koga, Y., Komarov, I., Križan, P., Bauer, M., Krohn, J.-F., Kronenbitter, B., Kulasiri, R., Kumita, T., Kurihara, E., Kuroki, Y., Kvasnička, P., Lalwani, K., Lee, I. S., Lee, J. K., Behera, P., Lee, J. Y., Leitgab, M., Leitner, R., Levit, D., Lewis, P., Li, C. H., Li, H., Li, J., Li, L. K., Limosani, A., Beleño, C., Liptak, Z., Liu, C., Liu, Y., Loos, A., Louvot, R., Lubej, M., Luo, T., MacNaughton, J., Matsuda, T., McNeil, J. T., Belous, K., Miyachi, Y., Miyake, H., Miyata, H., Miyazaki, Y., Moon, H. K., Moon, T. J., Mori, T., Morii, T., Moser, H.-G., Mrvar, M., Besson, D., Müller, T., Muramatsu, N., Mussa, R., Nagasaka, Y., Nakahama, Y., Nakamura, I., Nakamura, K. R., Nakano, E., Nakano, T., Nakayama, H., Bhuyan, B., Nanut, T., Natkaniec, Z., Nayak, M., Ng, C., Niebuhr, C., Nitoh, O., Ogawa, A., Ohshima, T., Okuno, S., Olsen, S. L., Bilka, T., Ono, H., Onuki, Y., Oswald, C., Ozaki, H., Pal, B., Pang, T., Panzenböck, E., Park, C.-S., Park, C. W., Park, K. S., Bilokin, S., Patra, S., Pedlar, T. K., Peng, T., Pesántez, L., Peters, M., Popov, V., Prasanth, K., Prothmann, K., Purohit, M. V., Rabusov, A., Ahn, J. K., Bloomfield, T., Rauch, J., Reisert, B., Resmi, P. K., Ribežl, E., Ritter, M., Röhrken, M., Rozanska, M., Sakai, Y., Salehi, M., Santel, D., Bondar, A., Sasaki, J., Sasao, N., Sato, Y., Schlüter, T., Schneider, O., Schram, M., Schueler, J., Schwartz, A. J., Schwenker, B., Seidl, R., Bračko, M., Semmler, D., Seon, O., Seong, I. S., Shang, L., Shapkin, M., Shebalin, V., Shibata, T.-A., Shibuya, H., Shinomiya, S., Sibidanov, A., Braun, N., Singh, J. B., Sinha, R., Smith, K., Soloviev, Y., Stanič, S., Starič, M., Steder, M., Strube, J. F., Stypula, J., Sugihara, S., Breibeck, F., Sugiyama, A., Sumisawa, K., Suzuki, K., Suzuki, S., Suzuki, S. Y., Takeichi, H., Tamponi, U., Tanaka, M., Tanaka, S., Taniguchi, N., Browder, T. E., Taylor, G. N., Teramoto, Y., Thampi, A., Tsuboyama, T., Ueda, I., Uno, K., Hayasaka, K., Inami, K., Adachi, I., Aihara, H., Cao, L., Asner, D. M., Atmacan, H., Aushev, T., Ayad, R., Babu, V., Bennett, J., Bernlochner, F., Bessner, M., Bhardwaj, V., Biswal, J., Caria, G., Bobrov, A., Bonvicini, G., Bozek, A., Brav, M., Campajola, M., v, D., Chang, M.-C., Cho, H. E., Cho, K., Červenkov, D., Cho, S.-J., Choi, S.-K., Choi, Y., Choudhury, S., Cinabro, D., Cunliffe, S., Dash, N., Di Capua, F., Dingfelder, J., Dolev, Z., Chang, P., Dong, T. V., Eidelman, S., Epifanov, D., Ferber, T., Frey, A., Fulsom, B. G., Garg, R., Gaur, V., Gabyshev, N., Garmash, A., Arinstein, K., Chao, Y., Giri, A., Goldenzweig, P., Hadjivasiliou, C., Hara, T., Hartbrich, O., Hayashii, H., Villanueva, M. Hernandez, Hou, W.-S., Hsu, C.-L., Iijima, T., Chekelian, V., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, M., Jacobs, W. W., Jin, Y., Joo, K. K., Kang, K. H., Kato, Y., Kichimi, H., Chen, A., Kiesling, C., Kim, C. H., Kim, D. Y., Kim, K.-H., Kim, S. H., Konno, T., Korobov, A., Korpar, S., Kovalenko, E., Kroeger, R., Chen, K.-F., Krokovny, P., Kuhr, T., Kumar, M., Kumar, R., Kumara, K., Kuzmin, A., Kwon, Y.-J., Lai, Y.-T., Lange, J. S., Lee, S. C., Chen, Y., Li, Y. B., Li Gioi, L., Libby, J., Lieret, K., Liventsev, D., MacQueen, C., Masuda, M., Matsuoka, K., Matvienko, D., Merola, M., Chen, Y.-T., Metzner, F., Miyabayashi, K., Mizuk, R., Mohanty, G. B., Nakao, M., Nakazawa, H., Natochii, A., Nayak, L., Niiyama, M., Nisar, N. K., Cheon, B. G., Nishida, S., Nishimura, K., Ogawa, K., Ogawa, S., Oskin, P., Pakhlov, P., Pakhlova, G., Pardi, S., Park, H., Park, S.-H., Chilikin, K., Paul, S., Pestotnik, R., Piilonen, L. E., Podobnik, T., Prencipe, E., Prim, M. T., Rostomyan, A., Rout, N., Russo, G., Sahoo, D., Chobanova, V., Sandilya, S., Al Said, S., Santelj, L., Sanuki, T., Savinov, V., Schnell, G., Schwanda, C., Seino, Y., Senyo, K., Sevior, M. E., Crnkovic, J., Sharma, C., Shen, C. P., Shiu, J.-G., Shwartz, B., Simon, F., Sokolov, A., Solovieva, E., Stariv, M., Stottler, Z. S., Sumihama, M., Arita, Y., Czank, T., Sumiyoshi, T., Sutcliffe, W., Takizawa, M., Tanida, K., Tao, Y., Tenchini, Francesco, Trabelsi, K., Uchida, M., Uehara, S., Uglov, T., Das, S., Unno, Y., Uno, S., Urquijo, P., Ushiroda, Y., Usov, Y., Vahsen, S. E., Van Hulse, C., Van Tonder, R., Vanhoefer, P., Varner, G., De Nardo, G., Varvell, K. E., Vervink, K., Vinokurova, A., Vorobyev, V., Vossen, A., Wagner, M. N., Waheed, E., Wang, B., Wang, C. H., Wang, E., Dhamija, R., Wang, M.-Z., Wang, P., Wang, X. L., Werbycka, O., Watanabe, M., Watanabe, Y., Watanuki, S., Wedd, R., Wehle, S., Widmann, E., Doležal, Z., Wiechczynski, J., Won, E., Xu, X., Yabsley, B. D., Yamada, S., Yamamoto, H., Yamashita, Y., Yan, W., Yang, S. B., Yashchenko, S., Dossett, D., Ye, Hua, Yelton, J., Yin, J. H., Yook, Y., Yuan, C. Z., Yusa, Y., Zhang, C. C., Zhang, J., Zhang, L. M., Zhang, Z. P., Drásal, Z., Zhao, L., Zhilich, V., Zhukova, V., Zhulanov, V., Zivko, T., Zupanc, A., Zwahlen, N., Belle Collaboration, Dubey, S., Feindt, M., Gelb, M., Aulchenko, V., Gemmler, J., Getzkow, D., Giordano, F., Golob, B., Gong, G., Greenwald, D., Grosse Perdekamp, M., Grygier, J., Grzymkowska, O., Guan, Y., Aziz, T., Gudkova, K., Guido, E., Guo, H., Haba, J., Halder, S., Hamer, P., Hara, K., Hasenbusch, J., Hazra, S., He, X. H., Bahinipati, S., Heck, M., Hedges, M. T., Heffernan, D., Heider, M., Heller, A., Higuchi, T., Hirose, S., Hoshina, K., Hsiung, Y. B., Huang, K., Bakich, A. M., Huschle, M., Igarashi, Y., Imamura, M., Iwasaki, Y., Iwata, S., Jaegle, I., Jang, E.-J., Jeon, H. B., Jia, S., Joffe, D., Ban, Y., Joo, C. W., Julius, T., Kahn, J., Kakuno, H., Kaliyar, A. B., Kang, J. H., Kapusta, P., Karyan, G., Kataoka, S. U., Kawai, H., Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (IJCLab), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Université Paris-Sud - Paris 11 (UP11), and Belle
Subjects: flavor: violation [lepton], tau: rare decay, BELLE, annihilation [electron positron], electron positron: annihilation, High Energy Physics - Experiment, +muon-+photon%22">tau- --> muon- photon, +muon%2B+photon%22">tau+ --> muon+ photon, KEK-B, search for [new physics], [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], ddc:530, rare decay [tau], tau: branching ratio: upper limit, background, new physics: search for, High Energy Physics::Phenomenology, lepton: flavor: violation, electron positron: colliding beams, +positron+photon%22">tau+ --> positron photon, +electron+photon%22">tau- --> electron photon, colliding beams [electron positron], High Energy Physics::Experiment, tau: radiative decay, branching ratio: upper limit [tau], radiative decay [tau], experimental results
Abstract: International audience; Charged lepton flavor violation is forbidden in the Standard Model but possible in several new physics scenarios. In many of these models, the radiative decays $\tau^{\pm}\rightarrow\ell^{\pm}\gamma$ ($\ell=e,\mu$) are predicted to have a sizeable probability, making them particularly interesting channels to search at various experiments. An updated search via $\tau^{\pm}\rightarrow\ell^{\pm}\gamma$ using full data of the Belle experiment, corresponding to an integrated luminosity of 988 fb$^{-1}$, is reported for charged lepton flavor violation. No significant excess over background predictions from the Standard Model is observed, and the upper limits on the branching fractions, $\mathcal{B}(\tau^{\pm}\rightarrow \mu^{\pm}\gamma)$$\leq$$4.2\times10^{-8}$ and $\mathcal{B}(\tau^{\pm}\rightarrow e^{\pm}\gamma)$$\leq$$5.6\times10^{-8}$, are set at 90% confidence level.
Published: 2021

6. First Evidence for cos2β>0 and Resolution of the Cabibbo-Kobayashi-Maskawa Quark-Mixing Unitarity Triangle Ambiguity

Author: Adachi, I, Adye, T, Ahmed, H, Ahn, JK, Aihara, H, Akar, S, Alam, MS, Albert, J, Anulli, F, Arnaud, N, Asner, DM, Aston, D, Atmacan, H, Aushev, T, Ayad, R, Babu, V, Badhrees, I, Bakich, AM, Banerjee, Sw, Bansal, V, Barlow, RJ, Batignani, G, Beaulieu, A, Behera, P, Bellis, M, Ben-Haim, E, Bernard, D, Bernlochner, FU, Bettarini, S, Bettoni, D, Bevan, AJ, Bhardwaj, V, Bhuyan, B, Bianchi, F, Biasini, M, Biswal, J, Blinov, VE, Bomben, M, Bondar, A, Bonneaud, GR, Bozek, A, Bozzi, C, Bračko, M, Browder, TE, Brown, DN, Bünger, C, Burchat, PR, Buzykaev, AR, Calabrese, R, Calcaterra, A, Calderini, G, Di Carlo, S, Carpinelli, M, Cartaro, C, Casarosa, G, Cenci, R, Chao, DS, Chauveau, J, Cheaib, R, Chen, A, Chen, C, Cheng, CH, Cheon, BG, Chilikin, K, Cho, K, Choi, Y, Choudhury, S, Chrzaszcz, M, Cibinetto, G, Cinabro, D, Cochran, J, Coleman, JP, Convery, MR, Cowan, G, Cowan, R, Cremaldi, L, Cunliffe, S, Dash, N, Davier, M, Davis, CL, De Mori, F, De Nardo, G, Denig, AG, de Sangro, R, Dey, B, Di Lodovico, F, Dittrich, S, Doležal, Z, Dorfan, J, Drásal, Z, Druzhinin, VP, Dunwoodie, W, Ebert, M, Echenard, B, Eidelman, S, Eigen, G, Eisner, AM, Emery, S, Epifanov, D, Ernst, JA, Faccini, R, Fast, JE, Feindt, M, Ferber, T, Ferrarotto, F, Ferroni, F, Field, RC, Filippi, A, Finocchiaro, G, Fioravanti, E, Flood, KT, Forti, F, Fritsch, M, Fulsom, BG, Gabathuler, E, Gamba, D, Garg, R, Garmash, A, Gary, JW, Garzia, I, Gaur, V, Gaz, A, Gelb, M, Gershon, TJ, Li Gioi, L, Giorgi, MA, Giri, A, Godang, R, Goldenzweig, P, Golob, B, Golubev, VB, Gorodeisky, R, Gradl, W, Graham, MT, Grauges, E, Griessinger, K, Gritsan, AV, Grünberg, O, Guan, Y, Guido, E, Guttman, N, Haba, J, Hafner, A, Hara, T, Harrison, PF, Hast, C, Hayasaka, K, Hayashii, H, Hearty, C, Heck, M, Hedges, MT, Heß, M, Hirose, S, Hitlin, DG, Honscheid, K, Hou, W-S, Hsu, C-L, Huard, Z, Van Hulse, C, Hutchcroft, DE, Inami, K, Inguglia, G, Innes, WR, Ishikawa, A, Itoh, R, Iwasaki, M, Iwasaki, Y, Izen, JM, Jacobs, WW, Jawahery, A, Jessop, CP, Jia, S, Jin, Y, Joo, KK, Julius, T, Kaliyar, AB, Kang, KH, Karyan, G, Kass, R, Kichimi, H, Kim, DY, Kim, JB, Kim, KT, Kim, SH, Kim, J, Kim, P, King, GJ, Kinoshita, K, Koch, H, Kodyš, P, Kolomensky, Yu G, Korpar, S, Kotchetkov, D, Kowalewski, R, Kravchenko, EA, Križan, P, Kroeger, R, Krokovny, P, Kuhr, T, Kulasiri, R, Kumita, T, Kuzmin, A, Kwon, Y-J, Lacker, HM, Lafferty, GD, Lanceri, L, Lange, JS, Lange, DJ, Lankford, AJ, Latham, TE, Leddig, T, Le Diberder, F, Lee, IS, Lee, SC, Lees, JP, Leith, DWGS, Li, LK, Li, YB, Li, Y, Libby, J, Liventsev, D, Lockman, WS, Long, O, LoSecco, JM, Lou, XC, Lubej, M, Lueck, T, Luitz, S, Luo, T, Luppi, E, Lusiani, A, Lutz, AM, MacFarlane, DB, MacNaughton, J, Mallik, U, Manoni, E, Marchiori, G, Margoni, M, Martellotti, S, Martinez-Vidal, F, Masuda, M, Matsuda, T, Mattison, TS, Matvienko, D, McKenna, JA, Meadows, BT, Merola, M, Miyabayashi, K, Miyashita, TS, Miyata, H, Mizuk, R, Mohanty, GB, Moon, HK, Mori, T, Muller, DR, Müller, T, Mussa, R, Nakano, E, Nakao, M, Nanut, T, Nath, KJ, Nayak, M, Neal, H, Neri, N, Nisar, NK, Nishida, S, Nugent, IM, Oberhof, B, Ocariz, J, Ogawa, S, Ongmongkolkul, P, Ono, H, Onuchin, AP, Onuki, Y, Oyanguren, A, Pakhlov, P, Pakhlova, G, Pal, B, Palano, A, Palombo, F, Panduro Vazquez, W, Paoloni, E, Pardi, S, Park, H, Passaggio, S, Patrignani, C, Patteri, P, Paul, S, Pavelkin, I, Payne, DJ, Pedlar, TK, Peimer, DR, Peruzzi, IM, Pestotnik, R, Piccolo, M, Piilonen, LE, Pilloni, A, Piredda, G, Poireau, V, Popov, V, Porter, FC, Posocco, M, Prell, S, Prepost, R, Puccio, EMT, Purohit, MV, Pushpawela, BG, Rama, M, Randle-Conde, A, Ratcliff, BN, Raven, G, Resmi, PK, Ritchie, JL, Ritter, M, Rizzo, G, Roberts, DA, Robertson, SH, Röhrken, M, Roney, JM, Roodman, A, Rossi, A, Rotondo, M, Rozanska, M, Russo, G, Sacco, R, Al Said, S, Sakai, Y, Salehi, M, Sandilya, S, Santelj, L, Santoro, V, Sanuki, T, Savinov, V, Schneider, O, Schnell, G, Schroeder, T, Schubert, KR, Schwanda, C, Schwartz, AJ, Schwitters, RF, Sciacca, C, Seddon, RM, Seino, Y, Sekula, SJ, Senyo, K, Seon, O, Serednyakov, SI, Sevior, ME, Shebalin, V, Shen, CP, Shibata, T-A, Shimizu, N, Shiu, J-G, Simi, G, Simon, F, Simonetto, F, Skovpen, Yu I, Smith, JG, Smith, AJS, So, RY, Sobie, RJ, Soffer, A, Sokoloff, MD, Solodov, EP, Solovieva, E, Spanier, SM, Starič, M, Stroili, R, Sullivan, MK, Sumisawa, K, Sumiyoshi, T, Summers, DJ, Sun, L, Takizawa, M, Tamponi, U, Tanida, K, Taras, P, Tasneem, N, Tenchini, F, Tisserand, V, Todyshevx, K Yu, Touramanis, C, Uchida, M, Uglov, T, Unno, Y, Uno, S, Vahsen, SE, Varner, G, Vasseur, G, Va'vra, J, Červenkov, D, Verderi, M, Vitale, L, Vorobyev, V, Voß, C, Wagner, SR, Waheed, E, Waldi, R, Walsh, JJ, Wang, B, Wang, CH, Wang, M-Z, Wang, P, Watanabe, Y, Wilson, FF, Wilson, JR, Wisniewski, WJ, Won, E, Wormser, G, Wright, DM, Wu, SL, Ye, H, Yuan, CZ, Yusa, Y, Zakharov, S, Zallo, A, Zani, L, Zhang, ZP, Zhilich, V, Zhukova, V, Zhulanov, V, Zupanc, A, B<span class=\\'sc\\'>A</span>B<span class=\\'sc\\'>AR</span> Col, Belle Collaboration, Adachi, I., Adye, T., Ahmed, H., Ahn, J. K., Aihara, H., Akar, S., Alam, M. S., Albert, J., Anulli, F., Arnaud, N., Asner, D. M., Aston, D., Atmacan, H., Aushev, T., Ayad, R., Babu, V., Badhrees, I., Bakich, A. M., Banerjee, Sw., Bansal, V., Barlow, R. J., Batignani, G., Beaulieu, A., Behera, P., Bellis, M., Ben-Haim, E., Bernard, D., Bernlochner, F. U., Bettarini, S., Bettoni, D., Bevan, A. J., Bhardwaj, V., Bhuyan, B., Bianchi, F., Biasini, M., Biswal, J., Blinov, V. E., Bomben, M., Bondar, A., Bonneaud, G. R., Bozek, A., Bozzi, C., Bračko, M., Browder, T. E., Brown, D. N., Bünger, C., Burchat, P. R., Buzykaev, A. R., Calabrese, R., Calcaterra, A., Calderini, G., Di Carlo, S., Carpinelli, M., Cartaro, C., Casarosa, G., Cenci, R., Chao, D. S., Chauveau, J., Cheaib, R., Chen, A., Chen, C., Cheng, C. H., Cheon, B. G., Chilikin, K., Cho, K., Choi, Y., Choudhury, S., Chrzaszcz, M., Cibinetto, G., Cinabro, D., Cochran, J., Coleman, J. P., Convery, M. R., Cowan, G., Cowan, R., Cremaldi, L., Cunliffe, S., Dash, N., Davier, M., Davis, C. L., De Mori, F., De Nardo, G., Denig, A. G., De Sangro, R., Dey, B., Di Lodovico, F., Dittrich, S., Doležal, Z., Dorfan, J., Drásal, Z., Druzhinin, V. P., Dunwoodie, W., Ebert, M., Echenard, B., Eidelman, S., Eigen, G., Eisner, A. M., Emery, S., Epifanov, D., Ernst, J. A., Faccini, R., Fast, J. E., Feindt, M., Ferber, T., Ferrarotto, F., Ferroni, F., Field, R. C., Filippi, A., Finocchiaro, G., Fioravanti, E., Flood, K. T., Forti, F., Fritsch, M., Fulsom, B. G., Gabathuler, E., Gamba, D., Garg, R., Garmash, A., Gary, J. W., Garzia, I., Gaur, V., Gaz, A., Gelb, M., Gershon, T. J., Li Gioi, L., Giorgi, M. A., Giri, A., Godang, R., Goldenzweig, P., Golob, B., Golubev, V. B., Gorodeisky, R., Gradl, W., Graham, M. T., Grauges, E., Griessinger, K., Gritsan, A. V., Grünberg, O., Guan, Y., Guido, E., Guttman, N., Haba, J., Hafner, A., Hara, T., Harrison, P. F., Hast, C., Hayasaka, K., Hayashii, H., Hearty, C., Heck, M., Hedges, M. T., Heß, M., Hirose, S., Hitlin, D. G., Honscheid, K., Hou, W. -S., Hsu, C. -L., Huard, Z., Van Hulse, C., Hutchcroft, D. E., Inami, K., Inguglia, G., Innes, W. R., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Izen, J. M., Jacobs, W. W., Jawahery, A., Jessop, C. P., Jia, S., Jin, Y., Joo, K. K., Julius, T., Kaliyar, A. B., Kang, K. H., Karyan, G., Kass, R., Kichimi, H., Kim, D. Y., Kim, J. B., Kim, K. T., Kim, S. H., Kim, J., Kim, P., King, G. J., Kinoshita, K., Koch, H., Kodyš, P., Kolomensky, Yu. G., Korpar, S., Kotchetkov, D., Kowalewski, R., Kravchenko, E. A., Križan, P., Kroeger, R., Krokovny, P., Kuhr, T., Kulasiri, R., Kumita, T., Kuzmin, A., Kwon, Y. -J., Lacker, H. M., Lafferty, G. D., Lanceri, L., Lange, J. S., Lange, D. J., Lankford, A. J., Latham, T. E., Leddig, T., Le Diberder, F., Lee, I. S., Lee, S. C., Lees, J. P., Leith, D. W. G. S., Li, L. K., Li, Y. B., Li, Y., Libby, J., Liventsev, D., Lockman, W. S., Long, O., Losecco, J. M., Lou, X. C., Lubej, M., Lueck, T., Luitz, S., Luo, T., Luppi, E., Lusiani, A., Lutz, A. M., Macfarlane, D. B., Macnaughton, J., Mallik, U., Manoni, E., Marchiori, G., Margoni, M., Martellotti, S., Martinez-Vidal, F., Masuda, M., Matsuda, T., Mattison, T. S., Matvienko, D., Mckenna, J. A., Meadows, B. T., Merola, M., Miyabayashi, K., Miyashita, T. S., Miyata, H., Mizuk, R., Mohanty, G. B., Moon, H. K., Mori, T., Muller, D. R., Müller, T., Mussa, R., Nakano, E., Nakao, M., Nanut, T., Nath, K. J., Nayak, M., Neal, H., Neri, N., Nisar, N. K., Nishida, S., Nugent, I. M., Oberhof, B., Ocariz, J., Ogawa, S., Ongmongkolkul, P., Ono, H., Onuchin, A. P., Onuki, Y., Oyanguren, A., Pakhlov, P., Pakhlova, G., Pal, B., Palano, A., Palombo, F., Panduro Vazquez, W., Paoloni, E., Pardi, S., Park, H., Passaggio, S., Patrignani, C., Patteri, P., Paul, S., Pavelkin, I., Payne, D. J., Pedlar, T. K., Peimer, D. R., Peruzzi, I. M., Pestotnik, R., Piccolo, M., Piilonen, L. E., Pilloni, A., Piredda, G., Poireau, V., Popov, V., Porter, F. C., Posocco, M., Prell, S., Prepost, R., Puccio, E. M. T., Purohit, M. V., Pushpawela, B. G., Rama, M., Randle-Conde, A., Ratcliff, B. N., Raven, G., Resmi, P. K., Ritchie, J. L., Ritter, M., Rizzo, G., Roberts, D. A., Robertson, S. H., Röhrken, M., Roney, J. M., Roodman, A., Rossi, A., Rotondo, M., Rozanska, M., Russo, G., Sacco, R., Al Said, S., Sakai, Y., Salehi, M., Sandilya, S., Santelj, L., Santoro, V., Sanuki, T., Savinov, V., Schneider, O., Schnell, G., Schroeder, T., Schubert, K. R., Schwanda, C., Schwartz, A. J., Schwitters, R. F., Sciacca, C., Seddon, R. M., Seino, Y., Sekula, S. J., Senyo, K., Seon, O., Serednyakov, S. I., Sevior, M. E., Shebalin, V., Shen, C. P., Shibata, T. -A., Shimizu, N., Shiu, J. -G., Simi, G., Simon, F., Simonetto, F., Skovpen, Yu. I., Smith, J. G., Smith, A. J. S., So, R. Y., Sobie, R. J., Soffer, A., Sokoloff, M. D., Solodov, E. P., Solovieva, E., Spanier, S. M., Starič, M., Stroili, R., Sullivan, M. K., Sumisawa, K., Sumiyoshi, T., Summers, D. J., Sun, L., Takizawa, M., Tamponi, U., Tanida, K., Taras, P., Tasneem, N., Tenchini, F., Tisserand, V., Todyshevx, K. Yu., Touramanis, C., Uchida, M., Uglov, T., Unno, Y., Uno, S., Vahsen, S. E., Varner, G., Vasseur, G., Va'Vra, J., Červenkov, D., Verderi, M., Vitale, L., Vorobyev, V., Voß, C., Wagner, S. R., Waheed, E., Waldi, R., Walsh, J. J., Wang, B., Wang, C. H., Wang, M. -Z., Wang, P., Watanabe, Y., Wilson, F. F., Wilson, J. R., Wisniewski, W. J., Won, E., Wormser, G., Wright, D. M., Wu, S. L., Ye, H., Yuan, C. Z., Yusa, Y., Zakharov, S., Zallo, A., Zani, L., Zhang, Z. P., Zhilich, V., Zhukova, V., Zhulanov, V., Zupanc, A., Ahn, J.K., Alam, M.S., Asner, D.M., Bakich, A.M., Barlow, R.J., Bernlochner, F.U., Bevan, A.J., Blinov, V.E., Bonneaud, G.R., Browder, T.E., Brown, D.N., Burchat, P.R., Buzykaev, A.R., Chao, D.S., Cheng, C.H., Cheon, B.G., Coleman, J.P., Convery, M.R., Davis, C.L., Denig, A.G., DoleŽal, Z., Druzhinin, V.P., Eisner, A.M., Ernst, J.A., Fast, J.E., Field, R.C., Flood, K.T., Fulsom, B.G., Gary, J.W., Gershon, T.J., Giorgi, M.A., Golubev, V.B., Graham, M.T., Gritsan, A.V., Harrison, P.F., Hedges, M.T., Hitlin, D.G., Hou, W.-S., Hsu, C.-L., Hutchcroft, D.E., Innes, W.R., Izen, J.M., Jacobs, W.W., Jessop, C.P., Joo, K.K., Kaliyar, A.B., Kang, K.H., Kim, D.Y., Kim, J.B., Kim, K.T., Kim, S.H., King, G.J., Kravchenko, E.A., KriŽan, P., Kwon, Y.-J., Lacker, H.M., Lafferty, G.D., Lange, J.S., Lange, D.J., Lankford, A.J., Latham, T.E., Lee, I.S., Lee, S.C., Lees, J.P., Leith, D.W.G.S., Li, L.K., Li, Y.B., Lockman, W.S., Losecco, J.M., Lou, X.C., Lutz, A.M., Macfarlane, D.B., Mattison, T.S., McKenna, J.A., Meadows, B.T., Miyashita, T.S., Mohanty, G.B., Moon, H.K., Muller, D.R., Nath, K.J., Nisar, N.K., Nugent, I.M., Onuchin, A.P., Payne, D.J., Pedlar, T.K., Peimer, D.R., Peruzzi, I.M., Piilonen, L.E., Porter, F.C., Puccio, E.M.T., Purohit, M.V., Pushpawela, B.G., Ratcliff, B.N., Resmi, P.K., Ritchie, J.L., Roberts, D.A., Robertson, S.H., Roney, J.M., Schubert, K.R., Schwartz, A.J., Schwitters, R.F., Seddon, R.M., Sekula, S.J., Serednyakov, S.I., Sevior, M.E., Shen, C.P., Shibata, T.-A., Shiu, J.-G., Smith, J.G., Smith, A.J.S., So, R.Y., Sobie, R.J., Sokoloff, M.D., Solodov, E.P., Spanier, S.M., Sullivan, M.K., Summers, D.J., Vahsen, S.E., Wagner, S.R., Walsh, J.J., Wang, C.H., Wang, M.-Z., Wilson, F.F., Wilson, J.R., Wisniewski, W.J., Wright, D.M., Wu, S.L., Yuan, C.Z., Zhang, Z.P., Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE (UMR_7585)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Leprince-Ringuet (LLR), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), Département de Physique des Particules (ex SPP) (DPP), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Laboratoire d'Annecy de Physique des Particules (LAPP/Laboratoire d'Annecy-le-Vieux de Physique des Particules), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), BaBar, Belle, Adachi, I, Adye, T, Ahmed, H, Ahn, J, Aihara, H, Akar, S, Alam, M, Albert, J, Anulli, F, Arnaud, N, Asner, D, Aston, D, Atmacan, H, Aushev, T, Ayad, R, Babu, V, Badhrees, I, Bakich, A, Banerjee, S, Bansal, V, Barlow, R, Batignani, G, Beaulieu, A, Behera, P, Bellis, M, Ben-Haim, E, Bernard, D, Bernlochner, F, Bettarini, S, Bettoni, D, Bevan, A, Bhardwaj, V, Bhuyan, B, Bianchi, F, Biasini, M, Biswal, J, Blinov, V, Bomben, M, Bondar, A, Bonneaud, G, Bozek, A, Bozzi, C, Bračko, M, Browder, T, Brown, D, Bünger, C, Burchat, P, Buzykaev, A, Calabrese, R, Calcaterra, A, Calderini, G, Di Carlo, S, Carpinelli, M, Cartaro, C, Casarosa, G, Cenci, R, Chao, D, Chauveau, J, Cheaib, R, Chen, A, Chen, C, Cheng, C, Cheon, B, Chilikin, K, Cho, K, Choi, Y, Choudhury, S, Chrzaszcz, M, Cibinetto, G, Cinabro, D, Cochran, J, Coleman, J, Convery, M, Cowan, G, Cowan, R, Cremaldi, L, Cunliffe, S, Dash, N, Davier, M, Davis, C, De Mori, F, De Nardo, G, Denig, A, de Sangro, R, Dey, B, Di Lodovico, F, Dittrich, S, Doležal, Z, Dorfan, J, Drásal, Z, Druzhinin, V, Dunwoodie, W, Ebert, M, Echenard, B, Eidelman, S, Eigen, G, Eisner, A, Emery, S, Epifanov, D, Ernst, J, Faccini, R, Fast, J, Feindt, M, Ferber, T, Ferrarotto, F, Ferroni, F, Field, R, Filippi, A, Finocchiaro, G, Fioravanti, E, Flood, K, Forti, F, Fritsch, M, Fulsom, B, Gabathuler, E, Gamba, D, Garg, R, Garmash, A, Gary, J, Garzia, I, Gaur, V, Gaz, A, Gelb, M, Gershon, T, Li Gioi, L, Giorgi, M, Giri, A, Godang, R, Goldenzweig, P, Golob, B, Golubev, V, Gorodeisky, R, Gradl, W, Graham, M, Grauges, E, Griessinger, K, Gritsan, A, Grünberg, O, Guan, Y, Guido, E, Guttman, N, Haba, J, Hafner, A, Hara, T, Harrison, P, Hast, C, Hayasaka, K, Hayashii, H, Hearty, C, Heck, M, Hedges, M, Heß, M, Hirose, S, Hitlin, D, Honscheid, K, Hou, W, Hsu, C, Huard, Z, Van Hulse, C, Hutchcroft, D, Inami, K, Inguglia, G, Innes, W, Ishikawa, A, Itoh, R, Iwasaki, M, Iwasaki, Y, Izen, J, Jacobs, W, Jawahery, A, Jessop, C, Jia, S, Jin, Y, Joo, K, Julius, T, Kaliyar, A, Kang, K, Karyan, G, Kass, R, Kichimi, H, Kim, D, Kim, J, Kim, K, Kim, S, Kim, P, King, G, Kinoshita, K, Koch, H, Kodyš, P, Kolomensky, Y, Korpar, S, Kotchetkov, D, Kowalewski, R, Kravchenko, E, Križan, P, Kroeger, R, Krokovny, P, Kuhr, T, Kulasiri, R, Kumita, T, Kuzmin, A, Kwon, Y, Lacker, H, Lafferty, G, Lanceri, L, Lange, J, Lange, D, Lankford, A, Latham, T, Leddig, T, Le Diberder, F, Lee, I, Lee, S, Lees, J, Leith, D, Li, L, Li, Y, Libby, J, Liventsev, D, Lockman, W, Long, O, Losecco, J, Lou, X, Lubej, M, Lueck, T, Luitz, S, Luo, T, Luppi, E, Lusiani, A, Lutz, A, Macfarlane, D, Macnaughton, J, Mallik, U, Manoni, E, Marchiori, G, Margoni, M, Martellotti, S, Martinez-Vidal, F, Masuda, M, Matsuda, T, Mattison, T, Matvienko, D, Mckenna, J, Meadows, B, Merola, M, Miyabayashi, K, Miyashita, T, Miyata, H, Mizuk, R, Mohanty, G, Moon, H, Mori, T, Muller, D, Müller, T, Mussa, R, Nakano, E, Nakao, M, Nanut, T, Nath, K, Nayak, M, Neal, H, Neri, N, Nisar, N, Nishida, S, Nugent, I, Oberhof, B, Ocariz, J, Ogawa, S, Ongmongkolkul, P, Ono, H, Onuchin, A, Onuki, Y, Oyanguren, A, Pakhlov, P, Pakhlova, G, Pal, B, Palano, A, Palombo, F, Panduro Vazquez, W, Paoloni, E, Pardi, S, Park, H, Passaggio, S, Patrignani, C, Patteri, P, Paul, S, Pavelkin, I, Payne, D, Pedlar, T, Peimer, D, Peruzzi, I, Pestotnik, R, Piccolo, M, Piilonen, L, Pilloni, A, Piredda, G, Poireau, V, Popov, V, Porter, F, Posocco, M, Prell, S, Prepost, R, Puccio, E, Purohit, M, Pushpawela, B, Rama, M, Randle-Conde, A, Ratcliff, B, Raven, G, Resmi, P, Ritchie, J, Ritter, M, Rizzo, G, Roberts, D, Robertson, S, Röhrken, M, Roney, J, Roodman, A, Rossi, A, Rotondo, M, Rozanska, M, Russo, G, Sacco, R, Al Said, S, Sakai, Y, Salehi, M, Sandilya, S, Santelj, L, Santoro, V, Sanuki, T, Savinov, V, Schneider, O, Schnell, G, Schroeder, T, Schubert, K, Schwanda, C, Schwartz, A, Schwitters, R, Sciacca, C, Seddon, R, Seino, Y, Sekula, S, Senyo, K, Seon, O, Serednyakov, S, Sevior, M, Shebalin, V, Shen, C, Shibata, T, Shimizu, N, Shiu, J, Simi, G, Simon, F, Simonetto, F, Skovpen, Y, Smith, J, Smith, A, So, R, Sobie, R, Soffer, A, Sokoloff, M, Solodov, E, Solovieva, E, Spanier, S, Starič, M, Stroili, R, Sullivan, M, Sumisawa, K, Sumiyoshi, T, Summers, D, Sun, L, Takizawa, M, Tamponi, U, Tanida, K, Taras, P, Tasneem, N, Tenchini, F, Tisserand, V, Todyshevx, K, Touramanis, C, Uchida, M, Uglov, T, Unno, Y, Uno, S, Vahsen, S, Varner, G, Vasseur, G, Va'Vra, J, Červenkov, D, Verderi, M, Vitale, L, Vorobyev, V, Voß, C, Wagner, S, Waheed, E, Waldi, R, Walsh, J, Wang, B, Wang, C, Wang, M, Wang, P, Watanabe, Y, Wilson, F, Wilson, J, Wisniewski, W, Won, E, Wormser, G, Wright, D, Wu, S, Ye, H, Yuan, C, Yusa, Y, Zakharov, S, Zallo, A, Zani, L, Zhang, Z, Zhilich, V, Zhukova, V, Zhulanov, V, Zupanc, A, Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), and Département de Physique des Particules (ex SPP) (DPhP)
Subjects: Upsilon(10570): electroproduction, Dalitz plot, BELLE, Unitarity triangle, electron positron: annihilation, B-factory, NO, 10.57 GeV-cms, Physics and Astronomy (all), KEK-B, Direct measurement, CP: violation, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Decay amplitude, Standard deviation, HEP, BaBar, Asymmetric energy, Amplitude analysi, B0: hadronic decay, B: pair production, +D+pi0%22">B0 --> D pi0, D: hadronic decay, resolution, amplitude analysis, electron positron: colliding beams, 12.15.Hh, SLAC PEP Stor, asymmetry: CP, +K0%28S%29+pi%2B+pi%22">D --> K0(S) pi+ pi, Model uncertaintie, Belle experiment, BaBar, Elementary Particles and Fields, 13.25.Hw, time dependence, 11.30.Er, +D+omega%28783%29%22">B0 --> D omega(783), CKM matrix: unitarity, +D+eta%22">B0 --> D eta, experimental results
Abstract: We present first evidence that the cosine of the CP-violating weak phase 2β is positive, and hence exclude trigonometric multifold solutions of the Cabibbo-Kobayashi-Maskawa (CKM) Unitarity Triangle using a time-dependent Dalitz plot analysis of B^{0}→D^{(*)}h^{0} with D→K_{S}^{0}π^{+}π^{-} decays, where h^{0}∈{π^{0},η,ω} denotes a light unflavored and neutral hadron. The measurement is performed combining the final data sets of the BABAR and Belle experiments collected at the ϒ(4S) resonance at the asymmetric-energy B factories PEP-II at SLAC and KEKB at KEK, respectively. The data samples contain (471±3)×10^{6}BB[over ¯] pairs recorded by the BABAR detector and (772±11)×10^{6}BB[over ¯] pairs recorded by the Belle detector. The results of the measurement are sin2β=0.80±0.14(stat)±0.06(syst)±0.03(model) and cos2β=0.91±0.22(stat)±0.09(syst)±0.07(model). The result for the direct measurement of the angle β of the CKM Unitarity Triangle is β=[22.5±4.4(stat)±1.2(syst)±0.6(model)]°. The measurement assumes no direct CP violation in B^{0}→D^{(*)}h^{0} decays. The quoted model uncertainties are due to the composition of the D^{0}→K_{S}^{0}π^{+}π^{-} decay amplitude model, which is newly established by performing a Dalitz plot amplitude analysis using a high-statistics e^{+}e^{-}→cc[over ¯] data sample. CP violation is observed in B^{0}→D^{(*)}h^{0} decays at the level of 5.1 standard deviations. The significance for cos2β>0 is 3.7 standard deviations. The trigonometric multifold solution π/2-β=(68.1±0.7)° is excluded at the level of 7.3 standard deviations. The measurement resolves an ambiguity in the determination of the apex of the CKM Unitarity Triangle.
Published: 2018

7. Search for the Decay $B_s^0 \rightarrow \eta^\prime \eta$

Author: Belle Collaboration, Abdesselam, A., Adachi, I., Adamczyk, K., Ahn, J. K., Aihara, H., Said, S. Al, Arinstein, K., Arita, Y., Asner, D. M., Atmacan, H., Aulchenko, V., Aushev, T., Ayad, R., Aziz, T., Babu, V., Bahinipati, S., Bakich, A. M., Ban, Y., Barberio, E., Barrett, M., Bauer, M., Behera, P., Beleño, C., Belous, K., Bennett, J., Berger, M., Bernlochner, F., Bessner, M., Besson, D., Bhardwaj, V., Bhuyan, B., Bilka, T., Biswal, J., Bloomfield, T., Bobrov, A., Bondar, A., Bonvicini, G., Bozek, A., Bračko, M., Braun, N., Breibeck, F., Browder, T. E., Campajola, M., Cao, L., Caria, G., Červenkov, D., Chang, M. -C., Chang, P., Chao, Y., Chekelian, V., Chen, A., Chen, K. -F., Chen, Y., Chen, Y. -T., Cheon, B. G., Chilikin, K., Cho, H. E., Cho, K., Cho, S. -J., Chobanova, V., Choi, S. -K., Choi, Y., Choudhury, S., Cinabro, D., Crnkovic, J., Cunliffe, S., Czank, T., Das, S., Dash, N., De Nardo, G., Dhamija, R., Di Capua, F., Dingfelder, J., Doležal, Z., Dong, T. V., Dossett, D., Drásal, Z., Dubey, S., Eidelman, S., Epifanov, D., Feindt, M., Ferber, T., Frey, A., Frost, O., Fulsom, B. G., Garg, R., Gaur, V., Gabyshev, N., Garmash, A., Gelb, M., Gemmler, J., Getzkow, D., Giordano, F., Giri, A., Goldenzweig, P., Golob, B., Greenwald, D., Perdekamp, M. Grosse, Grygier, J., Grzymkowska, O., Guan, Y., Guido, E., Guo, H., Haba, J., Hadjivasiliou, C., Hamer, P., Hara, K., Hara, T., Hartbrich, O., Hasenbusch, J., Hayasaka, K., Hayashii, H., He, X. H., Heck, M., Hedges, M. T., Heffernan, D., Heider, M., Heller, A., Villanueva, M. Hernandez, Higuchi, T., Hirose, S., Hoshina, K., Hou, W. -S., Hsiung, Y. B., Hsu, C. -L., Huang, K., Huschle, M., Igarashi, Y., Iijima, T., Imamura, M., Inami, K., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Iwata, S., Jacobs, W. W., Jaegle, I., Jang, E. -J., Jeon, H. B., Jia, S., Jin, Y., Joffe, D., Jones, M., Joo, C. W., Joo, K. K., Julius, T., Kahn, J., Kakuno, H., Kaliyar, A. B., Kang, J. H., Kang, K. H., Kapusta, P., Karyan, G., Kataoka, S. U., Kato, Y., Kawai, H., Kawasaki, T., Keck, T., Kichimi, H., Kiesling, C., Kim, B. H., Kim, C. H., Kim, D. Y., Kim, H. J., Kim, H. -J., Kim, J. B., Kim, K. -H., Kim, K. T., Kim, S. H., Kim, S. K., Kim, Y. J., Kim, Y. -K., Kimmel, T., Kindo, H., Kinoshita, K., Kleinwort, C., Klucar, J., Kobayashi, N., Kodyš, P., Koga, Y., Komarov, I., Konno, T., Korpar, S., Kotchetkov, D., Križan, P., Kroeger, R., Krohn, J. -F., Krokovny, P., Kronenbitter, B., Kuhr, T., Kulasiri, R., Kumar, M., Kumar, R., Kumara, K., Kumita, T., Kurihara, E., Kuroki, Y., Kuzmin, A., Kvasnička, P., Kwon, Y. -J., Lai, Y. -T., Lalwani, K., Lange, J. S., Lee, I. S., Lee, J. K., Lee, J. Y., Lee, S. C., Leitgab, M., Leitner, R., Levit, D., Lewis, P., Li, C. H., Li, H., Li, J., Li, L. K., Li, Y., Li, Y. B., Gioi, L. Li, Libby, J., Lieret, K., Limosani, A., Liptak, Z., Liu, C., Liu, Y., Liventsev, D., Loos, A., Louvot, R., Lubej, M., Luo, T., MacNaughton, J., Masuda, M., Matsuda, T., Matvienko, D., McNeil, J. T., Merola, M., Metzner, F., Miyabayashi, K., Miyachi, Y., Miyake, H., Miyata, H., Miyazaki, Y., Mizuk, R., Mohanty, G. B., Mohanty, S., Moon, H. K., Moon, T. J., Mori, T., Morii, T., Moser, H. -G., Mrvar, M., Müller, T., Muramatsu, N., Mussa, R., Nagasaka, Y., Nakahama, Y., Nakamura, I., Nakamura, K. R., Nakano, E., Nakano, T., Nakao, M., Nakayama, H., Nakazawa, H., Nanut, T., Nath, K. J., Natkaniec, Z., Natochii, A., Nayak, L., Nayak, M., Ng, C., Niebuhr, C., Niiyama, M., Nisar, N. K., Nishida, S., Nishimura, K., Nitoh, O., Ogawa, A., Ogawa, K., Ogawa, S., Ohshima, T., Okuno, S., Olsen, S. L., Ono, H., Onuki, Y., Oskin, P., Ostrowicz, W., Oswald, C., Ozaki, H., Pakhlov, P., Pakhlova, G., Pal, B., Pang, T., Panzenböck, E., Pardi, S., Park, C. -S., Park, C. W., Park, H., Park, K. S., Park, S. -H., Patra, S., Paul, S., Pedlar, T. K., Peng, T., Pesántez, L., Pestotnik, R., Peters, M., Piilonen, L. E., Podobnik, T., Popov, V., Prasanth, K., Prencipe, E., Prim, M. T., Prothmann, K., Purohit, M. V., Rabusov, A., Rauch, J., Reisert, B., Resmi, P. K., Ribežl, E., Ritter, M., Röhrken, M., Rorie, J., Rostomyan, A., Rout, N., Rozanska, M., Russo, G., Sahoo, D., Sakai, Y., Salehi, M., Sandilya, S., Santel, D., Santelj, L., Sanuki, T., Sasaki, J., Sasao, N., Sato, Y., Savinov, V., Schlüter, T., Schneider, O., Schnell, G., Schram, M., Schueler, J., Schwanda, C., Schwartz, A. J., Schwenker, B., Seidl, R., Seino, Y., Semmler, D., Senyo, K., Seon, O., Seong, I. S., Sevior, M. E., Shang, L., Shapkin, M., Sharma, C., Shebalin, V., Shen, C. P., Shibata, T. -A., Shibuya, H., Shinomiya, S., Shiu, J. -G., Shwartz, B., Sibidanov, A., Simon, F., Singh, J. B., Sinha, R., Smith, K., Sokolov, A., Soloviev, Y., Solovieva, E., Stanič, S., Starič, M., Steder, M., Stottler, Z., Strube, J. F., Stypula, J., Sugihara, S., Sugiyama, A., Sumihama, M., Sumisawa, K., Sumiyoshi, T., Sutcliffe, W., Suzuki, K., Suzuki, S., Suzuki, S. Y., Takeichi, H., Takizawa, M., Tamponi, U., Tanaka, M., Tanaka, S., Tanida, K., Taniguchi, N., Tao, Y., Taylor, G. N., Tenchini, F., Teramoto, Y., Thampi, A., Trabelsi, K., Tsuboyama, T., Uchida, M., Ueda, I., Uehara, S., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Ushiroda, Y., Usov, Y., Vahsen, S. E., Van Hulse, C., Van Tonder, R., Vanhoefer, P., Varner, G., Varvell, K. E., Vervink, K., Vinokurova, A., Vorobyev, V., Vossen, A., Wagner, M. N., Waheed, E., Wang, B., Wang, C. H., Wang, E., Wang, M. -Z., Wang, P., Wang, X. L., Watanabe, M., Watanabe, Y., Watanuki, S., Wedd, R., Wehle, S., Widmann, E., Wiechczynski, J., Williams, K. M., Won, E., Xu, X., Yabsley, B. D., Yamada, S., Yamamoto, H., Yamashita, Y., Yan, W., Yang, S. B., Yashchenko, S., Ye, H., Yelton, J., Yin, J. H., Yook, Y., Yuan, C. Z., Yusa, Y., Zhang, C. C., Zhang, J., Zhang, L. M., Zhang, Z. P., Zhao, L., Zhilich, V., Zhukova, V., Zhulanov, V., Zivko, T., Zupanc, A., Zwahlen, N., Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (IJCLab), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Belle, and HEP, INSPIRE
Subjects: [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], B/s0: branching ratio: measured, eta(958), new physics: search for, High Energy Physics::Phenomenology, penguin, symmetry: U(3), BELLE, electron positron: colliding beams, electron positron: annihilation, eta, High Energy Physics - Experiment, +eta+eta%28958%29%22">B/s0 --> eta eta(958), asymmetry: CP, +eta+eta%22">B/s0 --> eta eta, KEK-B, SU(3), +eta%28958%29+eta%28958%29%22">B/s0 --> eta(958) eta(958), CP: violation, B/s0: hadronic decay, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], tree approximation, High Energy Physics::Experiment, Nuclear Experiment, experimental results
Abstract: In the Standard Model (SM) charmless hadronic decays $B_s^0 \rightarrow \eta^\prime \eta$ proceed via tree-level $b\to u$ and penguin $b\to s$ transitions. Penguin transitions are sensitive to Beyond-the-Standard-Model (BSM) physics scenarios and could affect the branching fractions and {\it CP} asymmetries in such decays. Once branching fractions for two-body decays $B_s \to \eta\eta, \eta\eta^{\prime}, \eta^{\prime}\eta^{\prime} $ are measured, and the theoretical uncertainties are reduced, it would be possible to extract {\it CP} violating parameters from the data using the formalism based on SU(3)/U(3) symmetry. To achieve this goal, at least four of these six branching fractions need to be measured. Only the branching fraction for $B_s^0 \to \eta^{\prime}\eta^{\prime}$ has been measured so far.
Published: 2020

8. Test of lepton flavor universality in ${B\to K^\ast\ell^+\ell^-}$ decays at Belle

Author: Abdesselam, A., Adachi, I., Adamczyk, K., Ahn, J. K., Aihara, H., Al Said, S., Arinstein, K., Arita, Y., Asner, D. M., Atmacan, H., Aulchenko, V., Aushev, T., Ayad, R., Aziz, T., Babu, V., Badhrees, I., Bahinipati, S., Bakich, A. M., Ban, Y., Bansal, V., Barberio, E., Barrett, M., Bartel, W., Behera, P., Beleño, C., Belous, K., Berger, M., Bernlochner, F., Besson, D., Bhardwaj, V., Bhuyan, B., Bilka, T., Biswal, J., Bloomfield, T., Bobrov, A., Bondar, A., Bonvicini, G., Bozek, A., Bračko, M., Braun, N., Breibeck, F., Browder, T. E., Campajola, M., Cao, L., Caria, G., Červenkov, D., Chang, M.-C., Chang, P., Chao, Y., Cheaib, R., Chekelian, V., Chen, A., Chen, K.-F., Cheon, B. G., Chilikin, K., Chistov, R., Cho, H. E., Cho, K., Chobanova, V., Choi, S.-K., Choi, Y., Choudhury, S., Cinabro, D., Crnkovic, J., Cunliffe, S., Czank, T., Danilov, M., Dash, N., Di Carlo, S., Dingfelder, J., Doležal, Z., Dong, T. V., Dossett, D., Drásal, Z., Drutskoy, A., Dubey, S., Dutta, D., Eidelman, S., Epifanov, D., Fast, J. E., Feindt, M., Ferber, T., Frey, A., Frost, O., Fulsom, B. G., Garg, R., Gaur, V., Gabyshev, N., Garmash, A., Gelb, M., Gemmler, J., Getzkow, D., Giordano, F., Giri, A., Goldenzweig, P., Golob, B., Greenwald, D., Grosse Perdekamp, M., Grygier, J., Grzymkowska, O., Guan, Y., Guido, E., Guo, H., Haba, J., Hamer, P., Hara, K., Hara, T., Hasegawa, Y., Hasenbusch, J., Hayasaka, K., Hayashii, H., He, X. H., Heck, M., Hedges, M. T., Heffernan, D., Heider, M., Heller, A., Higuchi, T., Hirose, S., Horiguchi, T., Hoshi, Y., Hoshina, K., Hou, W.-S., Hsiung, Y. B., Hsu, C.-L., Huang, K., Huschle, M., Igarashi, Y., Iijima, T., Imamura, M., Inami, K., Inguglia, G., Ishikawa, A., Itagaki, K., Itoh, R., Iwasaki, M., Iwasaki, Y., Iwata, S., Jacobs, W. W., Jaegle, I., Jeon, H. B., Jia, S., Jin, Y., Joffe, D., Jones, M., Joo, C. W., Joo, K. K., Julius, T., Kahn, J., Kakuno, H., Kaliyar, A. B., Kang, J. H., Kang, K. H., Kapusta, P., Karyan, G., Kataoka, S. U., Kato, E., Kato, Y., Katrenko, P., Kawai, H., Kawasaki, T., Keck, T., Kichimi, H., Kiesling, C., Kim, B. H., Kim, C. H., Kim, D. Y., Kim, H. J., Kim, H.-J., Kim, J. B., Kim, K. T., Kim, S. H., Kim, S. K., Kim, Y. J., Kimmel, T., Kindo, H., Kinoshita, K., Kleinwort, C., Klucar, J., Kobayashi, N., Kodyš, P., Koga, Y., Konno, T., Korpar, S., Kotchetkov, D., Kouzes, R. T., Križan, P., Kroeger, R., Krohn, J.-F., Krokovny, P., Kronenbitter, B., Kuhr, T., Kulasiri, R., Kumar, R., Kumita, T., Kurihara, E., Kuroki, Y., Kuzmin, A., Kvasnička, P., Kwon, Y.-J., Lai, Y.-T., Lalwani, K., Lange, J. S., Lee, I. S., Lee, J. K., Lee, J. Y., Lee, S. C., Leitgab, M., Leitner, R., Levit, D., Lewis, P., Li, C. H., Li, H., Li, L. K., Li, Y., Li, Y. B., Li Gioi, L., Libby, J., Lieret, K., Limosani, A., Liptak, Z., Liu, C., Liu, Y., Liventsev, D., Loos, A., Louvot, R., Lu, P.-C., Lubej, M., Luo, T., MacNaughton, J., Masuda, M., Matsuda, T., Matvienko, D., McNeil, J. T., Merola, M., Metzner, F., Mikami, Y., Miyabayashi, K., Miyachi, Y., Miyake, H., Miyata, H., Miyazaki, Y., Mizuk, R., Mohanty, G. B., Mohanty, S., Moon, H. K., Moon, T. J., Mori, T., Morii, T., Moser, H.-G., Mrvar, M., Müller, T., Muramatsu, N., Mussa, R., Nagasaka, Y., Nakahama, Y., Nakamura, I., Nakamura, K. R., Nakano, E., Nakano, H., Nakano, T., Nakao, M., Nakayama, H., Nakazawa, H., Nanut, T., Nath, K. J., Natkaniec, Z., Nayak, M., Neichi, K., Ng, C., Niebuhr, C., Niiyama, M., Nisar, N. K., Nishida, S., Nishimura, K., Nitoh, O., Ogawa, A., Ogawa, K., Ogawa, S., Ohshima, T., Okuno, S., Olsen, S. L., Ono, H., Ono, Y., Onuki, Y., Ostrowicz, W., Oswald, C., Ozaki, H., Pakhlov, P., Pakhlova, G., Pal, B., Panzenböck, E., Pardi, S., Park, C.-S., Park, C. W., Park, H., Park, K. S., Park, S.-H., Patra, S., Paul, S., Pavelkin, I., Pedlar, T. K., Peng, T., Pesántez, L., Pestotnik, R., Peters, M., Piilonen, L. E., Popov, V., Prasanth, K., Prencipe, E., Prim, M., Prothmann, K., Purohit, M. V., Rabusov, A., Rauch, J., Reisert, B., Resmi, P. K., Ribežl, E., Ritter, M., Rorie, J., Rostomyan, A., Rozanska, M., Rummel, S., Russo, G., Sahoo, D., Sahoo, H., Saito, T., Sakai, Y., Salehi, M., Sandilya, S., Santel, D., Santelj, L., Sanuki, T., Sasaki, J., Sasao, N., Sato, Y., Savinov, V., Schlüter, T., Schneider, O., Schnell, G., Schönmeier, P., Schram, M., Schueler, J., Schwanda, C., Schwartz, A. J., Schwenker, B., Seidl, R., Seino, Y., Semmler, D., Senyo, K., Seon, O., Seong, I. S., Sevior, M. E., Shang, L., Shapkin, M., Shebalin, V., Shen, C. P., Shibata, T.-A., Shibuya, H., Shinomiya, S., Shiu, J.-G., Shwartz, B., Sibidanov, A., Simon, F., Singh, J. B., Sinha, R., Smith, K., Sokolov, A., Soloviev, Y., Solovieva, E., Stanič, S., Starič, M., Steder, M., Stottler, Z., Strube, J. F., Stypula, J., Sugihara, S., Sugiyama, A., Sumihama, M., Sumisawa, K., Sumiyoshi, T., Sutcliffe, W., Suzuki, K., Suzuki, S., Suzuki, S. Y., Suzuki, Z., Takeichi, H., Takizawa, M., Tamponi, U., Tanaka, M., Tanaka, S., Tanida, K., Taniguchi, N., Tao, Y., Taylor, G. N., Tenchini, F., Teramoto, Y., Trabelsi, K., Tsuboyama, T., Uchida, M., Uchida, T., Ueda, I., Uehara, S., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Ushiroda, Y., Usov, Y., Vahsen, S. E., Van Hulse, C., Van Tonder, R., Vanhoefer, P., Varner, G., Varvell, K. E., Vervink, K., Vinokurova, A., Vorobyev, V., Vossen, A., Wagner, M. N., Waheed, E., Wang, B., Wang, C. H., Wang, M.-Z., Wang, P., Wang, X. L., Watanabe, M., Watanabe, Y., Watanuki, S., Wedd, R., Wehle, S., Widmann, E., Wiechczynski, J., Williams, K. M., Won, E., Yabsley, B. D., Yamada, S., Yamamoto, H., Yamashita, Y., Yang, S. B., Yashchenko, S., Ye, H., Yelton, J., Yin, J. H., Yook, Y., Yuan, C. Z., Yusa, Y., Zakharov, S., Zhang, C. C., Zhang, J., Zhang, L. M., Zhang, Z. P., Zhao, L., Zhilich, V., Zhukova, V., Zhulanov, V., Zivko, T., Zupanc, A., and Zwahlen, N.
Subjects: Upsilon(10570): electroproduction, B: pair production, B: semileptonic decay, K*(892), branching ratio: ratio: measured, BELLE, electron positron: colliding beams, +K*%28892%29+electron+positron%22">B --> K*(892) electron positron, electron positron: annihilation, muon: pair production, electron: pair production, lepton: flavor: universality, KEK-B, +K*%28892%29+muon%2B+muon%22">B --> K*(892) muon+ muon, High Energy Physics::Experiment, B: branching ratio, experimental results
Abstract: We present a measurement of $R_{K^{\ast}}$, the ratio of the branching fractions ${\cal B}(B\to K^\ast \mu^+ \mu^-)$ and ${\cal B}(B\to K^\ast e^+ e^-)$, for both charged and neutral $B$ mesons. The ratio for charged $B$ mesons, $R_{K{^{\ast +}}}$, is the first measurement ever performed. The analysis is based on a data sample of $711~\mathrm{fb}^{-1}$, containing $772\times 10^{6}$ $B\bar B$ events, recorded at the $\Upsilon(4S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^+e^-$ collider. The obtained results are consistentwith Standard Model expectations.
Published: 2020
Full Text: View/download PDF

9. Test of lepton flavor universality in $B \to K \ell^{+}\ell^{-}$ decays

Author: Abdesselam, A., Adachi, I., Adamczyk, K., Ahn, J. K., Aihara, H., Al Said, S., Arinstein, K., Arita, Y., Asner, D. M., Atmacan, H., Aulchenko, V., Aushev, T., Ayad, R., Aziz, T., Babu, V., Badhrees, I., Bahinipati, S., Bakich, A. M., Ban, Y., Bansal, V., Barberio, E., Barrett, M., Bartel, W., Behera, P., Beleño, C., Belous, K., Bennett, J., Berger, M., Bernlochner, F., Besson, D., Bhardwaj, V., Bhuyan, B., Bilka, T., Biswal, J., Bloomfield, T., Bobrov, A., Bondar, A., Bonvicini, G., Bozek, A., Bračko, M., Braun, N., Breibeck, F., Browder, T. E., Campajola, M., Cao, L., Caria, G., Červenkov, D., Chang, M.-C., Chang, P., Chao, Y., Cheaib, R., Chekelian, V., Chen, A., Chen, K.-F., Chen, Y., Cheon, B. G., Chilikin, K., Chistov, R., Cho, H. E., Cho, K., Chobanova, V., Choi, S.-K., Choi, Y., Choudhury, S., Cinabro, D., Crnkovic, J., Cunliffe, S., Czank, T., Danilov, M., Dash, N., De Nardo, G., Di Carlo, S., Di Capua, F., Dingfelder, J., Doležal, Z., Dong, T. V., Dossett, D., Drásal, Z., Drutskoy, A., Dubey, S., Dutta, D., Eidelman, S., Epifanov, D., Fast, J. E., Feindt, M., Ferber, T., Frey, A., Frost, O., Fulsom, B. G., Garg, R., Gaur, V., Gabyshev, N., Garmash, A., Gelb, M., Gemmler, J., Getzkow, D., Giordano, F., Giri, A., Goldenzweig, P., Golob, B., Greenwald, D., Grosse Perdekamp, M., Grygier, J., Grzymkowska, O., Guan, Y., Guido, E., Guo, H., Haba, J., Hamer, P., Hara, K., Hara, T., Hartbrich, O., Hasegawa, Y., Hasenbusch, J., Hayasaka, K., Hayashii, H., He, X. H., Heck, M., Hedges, M. T., Heffernan, D., Heider, M., Heller, A., Higuchi, T., Hirose, S., Hoshi, Y., Hoshina, K., Hou, W.-S., Hsiung, Y. B., Hsu, C.-L., Huang, K., Huschle, M., Igarashi, Y., Iijima, T., Imamura, M., Inami, K., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Iwata, S., Jacobs, W. W., Jaegle, I., Jang, E.-J., Jeon, H. B., Jia, S., Jin, Y., Joffe, D., Jones, M., Joo, C. W., Joo, K. K., Julius, T., Kahn, J., Kakuno, H., Kaliyar, A. B., Kang, J. H., Kang, K. H., Kapusta, P., Karyan, G., Kataoka, S. U., Kato, Y., Katrenko, P., Kawai, H., Kawasaki, T., Keck, T., Kichimi, H., Kiesling, C., Kim, B. H., Kim, C. H., Kim, D. Y., Kim, H. J., Kim, H.-J., Kim, J. B., Kim, K. T., Kim, S. H., Kim, S. K., Kim, Y. J., Kimmel, T., Kindo, H., Kinoshita, K., Kleinwort, C., Klucar, J., Kobayashi, N., Kodyš, P., Koga, Y., Konno, T., Korpar, S., Kotchetkov, D., Kouzes, R. T., Križan, P., Kroeger, R., Krohn, J.-F., Krokovny, P., Kronenbitter, B., Kuhr, T., Kulasiri, R., Kumar, R., Kumita, T., Kurihara, E., Kuroki, Y., Kuzmin, A., Kvasnička, P., Kwon, Y.-J., Lai, Y.-T., Lalwani, K., Lange, J. S., Lee, I. S., Lee, J. K., Lee, J. Y., Lee, S. C., Leitgab, M., Leitner, R., Levit, D., Lewis, P., Li, C. H., Li, H., Li, L. K., Li, Y., Li, Y. B., Li Gioi, L., Libby, J., Lieret, K., Limosani, A., Liptak, Z., Liu, C., Liu, Y., Liventsev, D., Loos, A., Louvot, R., Lu, P.-C., Lubej, M., Luo, T., MacNaughton, J., Masuda, M., Matsuda, T., Matvienko, D., McNeil, J. T., Merola, M., Metzner, F., Miyabayashi, K., Miyachi, Y., Miyake, H., Miyata, H., Miyazaki, Y., Mizuk, R., Mohanty, G. B., Mohanty, S., Moon, H. K., Moon, T. J., Mori, T., Morii, T., Moser, H.-G., Mrvar, M., Müller, T., Muramatsu, N., Mussa, R., Nagasaka, Y., Nakahama, Y., Nakamura, I., Nakamura, K. R., Nakano, E., Nakano, T., Nakao, M., Nakayama, H., Nakazawa, H., Nanut, T., Nath, K. J., Natkaniec, Z., Nayak, M., Neichi, K., Ng, C., Niebuhr, Carsten, Niiyama, M., Nisar, N. K., Nishida, S., Nishimura, K., Nitoh, O., Ogawa, A., Ogawa, K., Ogawa, S., Ohshima, T., Okuno, S., Olsen, S. L., Ono, H., Onuki, Y., Ostrowicz, W., Oswald, C., Ozaki, H., Pakhlov, P., Pakhlova, G., Pal, B., Pang, T., Panzenböck, E., Pardi, S., Park, C.-S., Park, C. W., Park, H., Park, K. S., Park, S.-H., Patra, S., Paul, S., Pavelkin, I., Pedlar, T. K., Peng, T., Pesántez, L., Pestotnik, R., Peters, M., Piilonen, L. E., Popov, V., Prasanth, K., Prencipe, E., Prim, M. T., Prothmann, K., Purohit, M. V., Rabusov, A., Rauch, J., Reisert, B., Resmi, P. K., Ribežl, E., Ritter, M., Rorie, J., Rostomyan, A., Rozanska, M., Russo, G., Sahoo, D., Sahoo, H., Sakai, Y., Salehi, M., Sandilya, S., Santel, D., Santelj, L., Sanuki, T., Sasaki, J., Sasao, N., Sato, Y., Savinov, V., Schlüter, T., Schneider, O., Schnell, G., Schram, M., Schueler, J., Schwanda, C., Schwartz, A. J., Schwenker, B., Seidl, R., Seino, Y., Semmler, D., Senyo, K., Seon, O., Seong, I. S., Sevior, M. E., Shang, L., Shapkin, M., Shebalin, V., Shen, C. P., Shibata, T.-A., Shibuya, H., Shinomiya, S., Shiu, J.-G., Shwartz, B., Sibidanov, A., Simon, F., Singh, J. B., Sinha, R., Smith, K., Sokolov, A., Soloviev, Y., Solovieva, E., Stanič, S., Starič, M., Steder, M., Stottler, Z., Strube, J. F., Stypula, J., Sugihara, S., Sugiyama, A., Sumihama, M., Sumisawa, K., Sumiyoshi, T., Sutcliffe, W., Suzuki, K., Suzuki, S., Suzuki, S. Y., Takeichi, H., Takizawa, M., Tamponi, U., Tanaka, M., Tanaka, S., Tanida, K., Taniguchi, N., Tao, Y., Taylor, G. N., Tenchini, F., Teramoto, Y., Trabelsi, K., Tsuboyama, T., Uchida, M., Ueda, I., Uehara, S., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Ushiroda, Y., Usov, Y., Vahsen, S. E., Van Hulse, C., Van Tonder, R., Vanhoefer, P., Varner, G., Varvell, K. E., Vervink, K., Vinokurova, A., Vorobyev, V., Vossen, A., Wagner, M. N., Waheed, E., Wang, B., Wang, C. H., Wang, M.-Z., Wang, P., Wang, X. L., Watanabe, M., Watanabe, Y., Watanuki, S., Wedd, R., Wehle, S., Widmann, E., Wiechczynski, J., Williams, K. M., Won, E., Yabsley, B. D., Yamada, S., Yamamoto, H., Yamashita, Y., Yang, S. B., Yashchenko, S., Ye, H., Yelton, J., Yin, J. H., Yook, Y., Yuan, C. Z., Yusa, Y., Zakharov, S., Zhang, C. C., Zhang, J., Zhang, L. M., Zhang, Z. P., Zhao, L., Zhilich, V., Zhukova, V., Zhulanov, V., Zivko, T., Zupanc, A., and Zwahlen, N.
Subjects: Upsilon(10570): electroproduction, B: pair production, B: semileptonic decay, dilepton: mass spectrum, branching ratio: ratio: measured, isospin: asymmetry, BELLE, electron positron: colliding beams, B: branching ratio: measured, electron positron: annihilation, +K+electron+positron%22">B --> K electron positron, mass dependence, +K+muon%2B+muon%22">B --> K muon+ muon, muon: pair production, electron: pair production, muon: final state, lepton: flavor: universality, KEK-B, statistical, experimental results
Abstract: We present measurements of the branching fractions for the decays $B\to K \mu^{+}\mu^{-}$ and $B\to K e^{+}e^{-}$, and their ratio ($R_{K}$), using a data sample of 711 $fb^{-1}$ that contains $772 \times 10^{6}$ $B\bar{B}$ events. The data were collected at the $\Upsilon(4S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^{+}e^{-}$ collider. The ratio $R_{K}$ is measured in four bins of dilepton invariant-mass squared, $q^{2}$; the results are \begin{eqnarray*} R_{K} = \begin{cases} 0.95~ ^{+0.27}_{-0.24} \pm 0.06 & q^{2} \in (0.1,4.0)~\mathrm{\,GeV^2}c^4 \, , 0.81~ ^{+0.28}_{-0.23} \pm 0.05 & q^{2} \in (4.0,8.12)~\mathrm{\,GeV^2}c^4 \, , 0.98~ ^{+0.27}_{-0.23} \pm 0.06 & q^{2} \in (1.0,6.0)~\mathrm{\,GeV^2}c^4 \, , 1.11~ ^{+0.29}_{-0.26} \pm 0.07 & q^{2} > 14.18~\mathrm{\,GeV^2}c^4 \, . \end{cases} \end{eqnarray*} The first uncertainties listed are statistical, and the second uncertainties are systematic. The $R_{K}$ value in the whole $q^2$ range is found to be $1.06~ ^{+0.15}_{-0.14} \pm 0.07$. We also measure $CP-$averaged isospin asymmetries in the same $q^{2}$ bins; the results are consistent with a null asymmetry with the largest difference of 2.7 standard deviations is found in the $q^{2}\in(1.0,6.0)~\mathrm{\,GeV^2}c^4 \,$ bin in the mode with muon final states. The measured branching fractions are $\cal B\rm{\it(B\to K \mu^{+}\mu^{-})}= (5.5 \pm0.5 \pm0.3) \times 10^{-7}$ and $\cal B\rm{\it(B\to K e^{+}e^{-})} = (5.1 \pm 0.5 \pm0.3) \times 10^{-7}$. These results are compatible with standard model expectations.
Published: 2020
Full Text: View/download PDF

10. Test of lepton flavor universality in $B \to K \ell^{+}\ell^{-}$ decays

Author: Abdesselam, A., Adachi, I., Aulchenko, V., Greenwald, D., Grosse Perdekamp, M., Grygier, J., Grzymkowska, O., Guan, Y., Guido, E., Guo, H., Haba, J., Hamer, P., Hara, K., Aushev, T., Hara, T., Hartbrich, O., Hasegawa, Y., Hasenbusch, J., Hayasaka, K., Hayashii, H., He, X. H., Heck, M., Hedges, M. T., Heffernan, D., Ayad, R., Heider, M., Heller, A., Higuchi, T., Hirose, S., Hoshi, Y., Hoshina, K., Hou, W.-S., Hsiung, Y. B., Hsu, C.-L., Huang, K., Aziz, T., Huschle, M., Igarashi, Y., Iijima, T., Imamura, M., Inami, K., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Babu, V., Iwata, S., Jacobs, W. W., Jaegle, I., Jang, E.-J., Jeon, H. B., Jia, S., Jin, Y., Joffe, D., Jones, M., Joo, C. W., Badhrees, I., Joo, K. K., Julius, T., Kahn, J., Kakuno, H., Kaliyar, A. B., Kang, J. H., Kang, K. H., Kapusta, P., Karyan, G., Kataoka, S. U., Bahinipati, S., Kato, Y., Katrenko, P., Kawai, H., Kawasaki, T., Keck, T., Kichimi, H., Kiesling, C., Kim, B. H., Kim, C. H., Kim, D. Y., Bakich, A. M., Kim, H. J., Kim, H.-J., Kim, J. B., Kim, K. T., Kim, S. H., Kim, S. K., Kim, Y. J., Kimmel, T., Kindo, H., Kinoshita, K., Ban, Y., Kleinwort, C., Klucar, J., Kobayashi, N., Kodyš, P., Koga, Y., Konno, T., Korpar, S., Kotchetkov, D., Kouzes, R. T., Križan, P., Bansal, V., Kroeger, R., Krohn, J.-F., Krokovny, P., Kronenbitter, B., Kuhr, T., Kulasiri, R., Kumar, R., Kumita, T., Kurihara, E., Kuroki, Y., Adamczyk, K., Barberio, E., Kuzmin, A., Kvasnička, P., Kwon, Y.-J., Lai, Y.-T., Lalwani, K., Lange, J. S., Lee, I. S., Lee, J. K., Lee, J. Y., Lee, S. C., Barrett, M., Leitgab, M., Leitner, R., Levit, D., Lewis, P., Li, C. H., Li, H., Li, L. K., Li, Y., Li, Y. B., Li Gioi, L., Bartel, W., Libby, J., Lieret, K., Limosani, A., Liptak, Z., Liu, C., Liu, Y., Liventsev, D., Loos, A., Louvot, R., Lu, P.-C., Behera, P., Lubej, M., Luo, T., MacNaughton, J., Masuda, M., Matsuda, T., Matvienko, D., McNeil, J. T., Merola, M., Metzner, F., Miyabayashi, K., Beleño, C., Miyachi, Y., Miyake, H., Miyata, H., Miyazaki, Y., Mizuk, R., Mohanty, G. B., Mohanty, S., Moon, H. K., Moon, T. J., Mori, T., Belous, K., Morii, T., Moser, H.-G., Mrvar, M., Müller, T., Muramatsu, N., Mussa, R., Nagasaka, Y., Nakahama, Y., Nakamura, I., Nakamura, K. R., Bennett, J., Nakano, E., Nakano, T., Nakao, M., Nakayama, H., Nakazawa, H., Nanut, T., Nath, K. J., Natkaniec, Z., Nayak, M., Neichi, K., Berger, M., Ng, C., Niebuhr, Carsten, Niiyama, M., Nisar, N. K., Nishida, S., Nishimura, K., Nitoh, O., Ogawa, A., Ogawa, K., Ogawa, S., Bernlochner, F., Ohshima, T., Okuno, S., Olsen, S. L., Ono, H., Onuki, Y., Ostrowicz, W., Oswald, C., Ozaki, H., Pakhlov, P., Pakhlova, G., Besson, D., Pal, B., Pang, T., Panzenböck, E., Pardi, S., Park, C.-S., Park, C. W., Park, H., Park, K. S., Park, S.-H., Patra, S., Ahn, J. K., Bhardwaj, V., Paul, S., Pavelkin, I., Pedlar, T. K., Peng, T., Pesántez, L., Pestotnik, R., Peters, M., Piilonen, L. E., Popov, V., Prasanth, K., Bhuyan, B., Prencipe, E., Prim, M. T., Prothmann, K., Purohit, M. V., Rabusov, A., Rauch, J., Reisert, B., Resmi, P. K., Ribežl, E., Ritter, M., Bilka, T., Rorie, J., Rostomyan, A., Rozanska, M., Russo, G., Sahoo, D., Sahoo, H., Sakai, Y., Salehi, M., Sandilya, S., Santel, D., Biswal, J., Santelj, L., Sanuki, T., Sasaki, J., Sasao, N., Sato, Y., Savinov, V., Schlüter, T., Schneider, O., Schnell, G., Schram, M., Bloomfield, T., Schueler, J., Schwanda, C., Schwartz, A. J., Schwenker, B., Seidl, R., Seino, Y., Semmler, D., Senyo, K., Seon, O., Seong, I. S., Bobrov, A., Sevior, M. E., Shang, L., Shapkin, M., Shebalin, V., Shen, C. P., Shibata, T.-A., Shibuya, H., Shinomiya, S., Shiu, J.-G., Shwartz, B., Bondar, A., Sibidanov, A., Simon, F., Singh, J. B., Sinha, R., Smith, K., Sokolov, A., Soloviev, Y., Solovieva, E., Stanič, S., Starič, M., Bonvicini, G., Steder, M., Stottler, Z., Strube, J. F., Stypula, J., Sugihara, S., Sugiyama, A., Sumihama, M., Sumisawa, K., Sumiyoshi, T., Sutcliffe, W., Bozek, A., Suzuki, K., Suzuki, S., Suzuki, S. Y., Takeichi, H., Takizawa, M., Tamponi, U., Tanaka, M., Tanaka, S., Tanida, K., Bračko, M., Taniguchi, N., Tao, Y., Taylor, G. N., Tenchini, F., Teramoto, Y., Trabelsi, K., Tsuboyama, T., Uchida, M., Ueda, I., Uehara, S., Aihara, H., Braun, N., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Ushiroda, Y., Usov, Y., Vahsen, S. E., Van Hulse, C., Van Tonder, R., Vanhoefer, P., Breibeck, F., Varner, G., Varvell, K. E., Vervink, K., Vinokurova, A., Vorobyev, V., Vossen, A., Wagner, M. N., Waheed, E., Wang, B., Wang, C. H., Browder, T. E., Wang, M.-Z., Wang, P., Wang, X. L., Watanabe, M., Watanabe, Y., Watanuki, S., Wedd, R., Wehle, S., Widmann, E., Wiechczynski, J., Campajola, M., Williams, K. M., Won, E., Yabsley, B. D., Yamada, S., Yamamoto, H., Yamashita, Y., Yang, S. B., Yashchenko, S., Ye, H., Yelton, J., Cao, L., Yin, J. H., Yook, Y., Yuan, C. Z., Yusa, Y., Zakharov, S., Zhang, C. C., Zhang, J., Zhang, L. M., Zhang, Z. P., Zhao, L., Caria, G., Zhilich, V., Zhukova, V., Zhulanov, V., Zivko, T., Zupanc, A., Zwahlen, N., Belle Collaboration, Červenkov, D., Chang, M.-C., Chang, P., Chao, Y., Al Said, S., Cheaib, R., Chekelian, V., Chen, A., Chen, K.-F., Chen, Y., Cheon, B. G., Chilikin, K., Chistov, R., Cho, H. E., Cho, K., Arinstein, K., Chobanova, V., Choi, S.-K., Choi, Y., Choudhury, S., Cinabro, D., Crnkovic, J., Cunliffe, S., Czank, T., Danilov, M., Dash, N., Arita, Y., De Nardo, G., Di Carlo, S., Di Capua, F., Dingfelder, J., Doležal, Z., Dong, T. V., Dossett, D., Drásal, Z., Drutskoy, A., Dubey, S., Asner, D. M., Dutta, D., Eidelman, S., Epifanov, D., Fast, J. E., Feindt, M., Ferber, T., Frey, A., Frost, O., Fulsom, B. G., Garg, R., Atmacan, H., Gaur, V., Gabyshev, N., Garmash, A., Gelb, M., Gemmler, J., Getzkow, D., Giordano, F., Giri, A., Goldenzweig, P., Golob, B., Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and Belle
Subjects: Upsilon(10570): electroproduction, dilepton: mass spectrum, B: semileptonic decay, isospin: asymmetry, BELLE, annihilation [electron positron], B: branching ratio: measured, electron positron: annihilation, mass spectrum [dilepton], branching ratio: measured [B], electron: pair production, KEK-B, lepton: flavor: universality, +K+electron+positron%22">B --> K electron positron, +K+muon%2B+muon%22">B --> K muon+ muon, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], pair production [muon], pair production [electron], B: pair production, branching ratio: ratio: measured, electron positron: colliding beams, flavor: universality [lepton], mass dependence, pair production [B], muon: pair production, muon: final state, final state [muon], electroproduction [Upsilon(10570)], colliding beams [electron positron], semileptonic decay [B], ratio: measured [branching ratio], asymmetry [isospin], statistical, experimental results
Abstract: We present measurements of the branching fractions for the decays $B\to K \mu^{+}\mu^{-}$ and $B\to K e^{+}e^{-}$, and their ratio ($R_{K}$), using a data sample of 711 $fb^{-1}$ that contains $772 \times 10^{6}$ $B\bar{B}$ events. The data were collected at the $\Upsilon(4S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^{+}e^{-}$ collider. The ratio $R_{K}$ is measured in four bins of dilepton invariant-mass squared, $q^{2}$; the results are \begin{eqnarray*} R_{K} = \begin{cases} 0.95~ ^{+0.27}_{-0.24} \pm 0.06 & q^{2} \in (0.1,4.0)~\mathrm{\,GeV^2}c^4 \, , 0.81~ ^{+0.28}_{-0.23} \pm 0.05 & q^{2} \in (4.0,8.12)~\mathrm{\,GeV^2}c^4 \, , 0.98~ ^{+0.27}_{-0.23} \pm 0.06 & q^{2} \in (1.0,6.0)~\mathrm{\,GeV^2}c^4 \, , 1.11~ ^{+0.29}_{-0.26} \pm 0.07 & q^{2} > 14.18~\mathrm{\,GeV^2}c^4 \, . \end{cases} \end{eqnarray*} The first uncertainties listed are statistical, and the second uncertainties are systematic. The $R_{K}$ value in the whole $q^2$ range is found to be $1.06~ ^{+0.15}_{-0.14} \pm 0.07$. We also measure $CP-$averaged isospin asymmetries in the same $q^{2}$ bins; the results are consistent with a null asymmetry with the largest difference of 2.7 standard deviations is found in the $q^{2}\in(1.0,6.0)~\mathrm{\,GeV^2}c^4 \,$ bin in the mode with muon final states. The measured branching fractions are $\cal B\rm{\it(B\to K \mu^{+}\mu^{-})}= (5.5 \pm0.5 \pm0.3) \times 10^{-7}$ and $\cal B\rm{\it(B\to K e^{+}e^{-})} = (5.1 \pm 0.5 \pm0.3) \times 10^{-7}$. These results are compatible with standard model expectations.
Published: 2019
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11. Experimental determination of the isospin of $\Lambda_c(2765)^+/\Sigma_c(2765)^+$

Author: The Belle Collaboration, Abdesselam, A., Adachi, I., Adamczyk, K., Ahn, J. K., Aihara, H., Said, S. Al, Arinstein, K., Arita, Y., Asner, D. M., Atmacan, H., Aulchenko, V., Aushev, T., Ayad, R., Aziz, T., Babu, V., Badhrees, I., Bahinipati, S., Bakich, A. M., Ban, Y., Bansal, V., Barberio, E., Barrett, M., Bartel, W., Behera, P., Beleño, C., Belous, K., Bennett, J., Berger, M., Bernlochner, F., Besson, D., Bhardwaj, V., Bhuyan, B., Bilka, T., Biswal, J., Bloomfield, T., Bobrov, A., Bondar, A., Bonvicini, G., Bozek, A., Bračko, M., Braun, N., Breibeck, F., Browder, T. E., Campajola, M., Cao, L., Caria, G., Červenkov, D., Chang, M. -C., Chang, P., Chao, Y., Cheaib, R., Chekelian, V., Chen, A., Chen, K. -F., Chen, Y., Cheon, B. G., Chilikin, K., Chistov, R., Cho, H. E., Cho, K., Chobanova, V., Choi, S. -K., Choi, Y., Choudhury, S., Cinabro, D., Crnkovic, J., Cunliffe, S., Czank, T., Danilov, M., Dash, N., De Nardo, G., Di Carlo, S., Di Capua, F., Dingfelder, J., Doležal, Z., Dong, T. V., Dossett, D., Drȧsal, Z., Drutskoy, A., Dubey, S., Dutta, D., Eidelman, S., Epifanov, D., Fast, J. E., Feindt, M., Ferber, T., Frey, A., Frost, O., Fulsom, B. G., Garg, R., Gaur, V., Gabyshev, N., Garmash, A., Gelb, M., Gemmler, J., Getzkow, D., Giordano, F., Giri, A., Goldenzweig, P., Golob, B., Greenwald, D., Perdekamp, M. Grosse, Grygier, J., Grzymkowska, O., Guan, Y., Guido, E., Guo, H., Haba, J., Hamer, P., Hara, K., Hara, T., Hartbrich, O., Hasegawa, Y., Hasenbusch, J., Hayasaka, K., Hayashii, H., He, X. H., Heck, M., Hedges, M. T., Heffernan, D., Heider, M., Heller, A., Higuchi, T., Hirose, S., Hoshi, Y., Hoshina, K., Hou, W. -S., Hsiung, Y. B., Hsu, C. -L., Huang, K., Huschle, M., Igarashi, Y., Iijima, T., Imamura, M., Inami, K., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Iwata, S., Jacobs, W. W., Jaegle, I., Jang, E. -J., Jeon, H. B., Jia, S., Jin, Y., Joffe, D., Jones, M., Joo, C. W., Joo, K. K., Julius, T., Kahn, J., Kakuno, H., Kaliyar, A. B., Kang, J. H., Kang, K. H., Kapusta, P., Karyan, G., Kataoka, S. U., Kato, Y., Katrenko, P., Kawai, H., Kawasaki, T., Keck, T., Kichimi, H., Kiesling, C., Kim, B. H., Kim, C. H., Kim, D. Y., Kim, H. J., Kim, H. -J., Kim, J. B., Kim, K. T., Kim, S. H., Kim, S. K., Kim, Y. J., Kimmel, T., Kindo, H., Kinoshita, K., Kleinwort, C., Klucar, J., Kobayashi, N., Kodyš, P., Koga, Y., Konno, T., Korpar, S., Kotchetkov, D., Kouzes, R. T., Križan, P., Kroeger, R., Krohn, J. -F., Krokovny, P., Kronenbitter, B., Kuhr, T., Kulasiri, R., Kumar, R., Kumita, T., Kurihara, E., Kuroki, Y., Kuzmin, A., Kvasnička, P., Kwon, Y. -J., Lai, Y. -T., Lalwani, K., Lange, J. S., Lee, I. S., Lee, J. K., Lee, J. Y., Lee, S. C., Leitgab, M., Leitner, R., Levit, D., Lewis, P., Li, C. H., Li, H., Li, L. K., Li, Y., Li, Y. B., Gioi, L. Li, Libby, J., Lieret, K., Limosani, A., Liptak, Z., Liu, C., Liu, Y., Liventsev, D., Loos, A., Louvot, R., Lu, P. -C., Lubej, M., Luo, T., MacNaughton, J., Masuda, M., Matsuda, T., Matvienko, D., McNeil, J. T., Merola, M., Metzner, F., Miyabayashi, K., Miyachi, Y., Miyake, H., Miyata, H., Miyazaki, Y., Mizuk, R., Mohanty, G. B., Mohanty, S., Moon, H. K., Moon, T. J., Mori, T., Morii, T., Moser, H. -G., Mrvar, M., Müller, T., Muramatsu, N., Mussa, R., Nagasaka, Y., Nakahama, Y., Nakamura, I., Nakamura, K. R., Nakano, E., Nakano, T., Nakao, M., Nakayama, H., Nakazawa, H., Nanut, T., Nath, K. J., Natkaniec, Z., Nayak, M., Neichi, K., Ng, C., Niebuhr, C., Niiyama, M., Nisar, N. K., Nishida, S., Nishimura, K., Nitoh, O., Ogawa, A., Ogawa, K., Ogawa, S., Ohshima, T., Okuno, S., Olsen, S. L., Ono, H., Onuki, Y., Oskin, P., Ostrowicz, W., Oswald, C., Ozaki, H., Pakhlov, P., Pakhlova, G., Pal, B., Pang, T., Panzenböck, E., Pardi, S., Park, C. -S., Park, C. W., Park, H., Park, K. S., Park, S. -H., Patra, S., Paul, S., Pavelkin, I., Pedlar, T. K., Peng, T., Pesàntez, L., Pestotnik, R., Peters, M., Piilonen, L. E., Popov, V., Prasanth, K., Prencipe, E., Prim, M. T., Prothmann, K., Purohit, M. V., Rabusov, A., Rauch, J., Reisert, B., Resmi, P. K., Ribežl, E., Ritter, M., Rorie, J., Rostomyan, A., Rozanska, M., Russo, G., Sahoo, D., Sahoo, H., Sakai, Y., Salehi, M., Sandilya, S., Santel, D., Santelj, L., Sanuki, T., Sasaki, J., Sasao, N., Sato, Y., Savinov, V., Schlüter, T., Schneider, O., Schnell, G., Schram, M., Schueler, J., Schwanda, C., Schwartz, A. J., Schwenker, B., Seidl, R., Seino, Y., Semmler, D., Senyo, K., Seon, O., Seong, I. S., Sevior, M. E., Shang, L., Shapkin, M., Shebalin, V., Shen, C. P., Shibata, T. -A., Shibuya, H., Shinomiya, S., Shiu, J. -G., Shwartz, B., Sibidanov, A., Simon, F., Singh, J. B., Sinha, R., Smith, K., Sokolov, A., Soloviev, Y., Solovieva, E., Stanič, S., Starič, M., Steder, M., Stottler, Z., Strube, J. F., Stypula, J., Sugihara, S., Sugiyama, A., Sumihama, M., Sumisawa, K., Sumiyoshi, T., Sutcliffe, W., Suzuki, K., Suzuki, S., Suzuki, S. Y., Takeichi, H., Takizawa, M., Tamponi, U., Tanaka, M., Tanaka, S., Tanida, K., Taniguchi, N., Tao, Y., Taylor, G. N., Tenchini, F., Teramoto, Y., Trabelsi, K., Tsuboyama, T., Uchida, M., Ueda, I., Uehara, S., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Ushiroda, Y., Usov, Y., Vahsen, S. E., Van Hulse, C., Van Tonder, R., Vanhoefer, P., Varner, G., Varvell, K. E., Vervink, K., Vinokurova, A., Vorobyev, V., Vossen, A., Wagner, M. N., Waheed, E., Wang, B., Wang, C. H., Wang, M. -Z., Wang, P., Wang, X. L., Watanabe, M., Watanabe, Y., Watanuki, S., Wedd, R., Wehle, S., Widmann, E., Wiechczynski, J., Williams, K. M., Won, E., Yabsley, B. D., Yamada, S., Yamamoto, H., Yamashita, Y., Yang, S. B., Yashchenko, S., Ye, H., Yelton, J., Yin, J. H., Yook, Y., Yuan, C. Z., Yusa, Y., Zakharov, S., Zhang, C. C., Zhang, J., Zhang, L. M., Zhang, Z. P., Zhao, L., Zhilich, V., Zhukova, V., Zhulanov, V., Zivko, T., Zupanc, A., Zwahlen, N., Laboratoire de l'Accélérateur Linéaire (LAL), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Belle, and Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)
Subjects: isospin, Charmed baryon, KEK-B, charmed baryon: electroproduction, 10.6 GeV-cms, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Lambda/c(2765), BELLE, talk: Guilin 2019/08/16, electron positron: colliding beams, electron positron: annihilation, High Energy Physics - Experiment, experimental results
Abstract: We report an experimental determination of the isospin of $\Lambda_c(2765)^+/\Sigma_c(2765)^+$ using 980 fb$^{-1}$ data in the $e^+e^-$ annihilation around $\sqrt{s} = 10.6$ GeV collected by the Belle detector located at the KEKB collider. The isospin partners are searched for in the $\Sigma_c(2455)^{++/0} \pi^{0}$ channels, and no evidence was obtained. Thus the isospin is determined to be zero, and the particle is established to be a $\Lambda_c$., Comment: Conference paper submitted for Hadron2019
Published: 2019

12. Test of lepton flavor universality in ${B\to K^\ast\ell^+\ell^-}$ decays at Belle

Author: Abdesselam, A., Adachi, I., Aulchenko, V., Guan, Y., Guido, E., Guo, H., Haba, J., Hamer, P., Hara, K., Hara, T., Hasegawa, Y., Hasenbusch, J., Hayasaka, K., Aushev, T., Hayashii, H., He, X. H., Heck, M., Hedges, M. T., Heffernan, D., Heider, M., Heller, A., Higuchi, T., Hirose, S., Horiguchi, T., Ayad, R., Hoshi, Y., Hoshina, K., Hou, W.-S., Hsiung, Y. B., Hsu, C.-L., Huang, K., Huschle, M., Igarashi, Y., Iijima, T., Imamura, M., Aziz, T., Inami, K., Inguglia, G., Ishikawa, A., Itagaki, K., Itoh, R., Iwasaki, M., Iwasaki, Y., Iwata, S., Jacobs, W. W., Jaegle, I., Babu, V., Jeon, H. B., Jia, S., Jin, Y., Joffe, D., Jones, M., Joo, C. W., Joo, K. K., Julius, T., Kahn, J., Kakuno, H., Badhrees, I., Kaliyar, A. B., Kang, J. H., Kang, K. H., Kapusta, P., Karyan, G., Kataoka, S. U., Kato, E., Kato, Y., Katrenko, P., Kawai, H., Bahinipati, S., Kawasaki, T., Keck, T., Kichimi, H., Kiesling, C., Kim, B. H., Kim, C. H., Kim, D. Y., Kim, H. J., Kim, H.-J., Kim, J. B., Bakich, A. M., Kim, K. T., Kim, S. H., Kim, S. K., Kim, Y. J., Kimmel, T., Kindo, H., Kinoshita, K., Kleinwort, C., Klucar, J., Kobayashi, N., Ban, Y., Kodyš, P., Koga, Y., Konno, T., Korpar, S., Kotchetkov, D., Kouzes, R. T., Križan, P., Kroeger, R., Krohn, J.-F., Krokovny, P., Bansal, V., Kronenbitter, B., Kuhr, T., Kulasiri, R., Kumar, R., Kumita, T., Kurihara, E., Kuroki, Y., Kuzmin, A., Kvasnička, P., Kwon, Y.-J., Adamczyk, K., Barberio, E., Lai, Y.-T., Lalwani, K., Lange, J. S., Lee, I. S., Lee, J. K., Lee, J. Y., Lee, S. C., Leitgab, M., Leitner, R., Levit, D., Barrett, M., Lewis, P., Li, C. H., Li, H., Li, L. K., Li, Y., Li, Y. B., Li Gioi, L., Libby, J., Lieret, K., Limosani, A., Bartel, W., Liptak, Z., Liu, C., Liu, Y., Liventsev, D., Loos, A., Louvot, R., Lu, P.-C., Lubej, M., Luo, T., MacNaughton, J., Behera, P., Masuda, M., Matsuda, T., Matvienko, D., McNeil, J. T., Merola, M., Metzner, F., Mikami, Y., Miyabayashi, K., Miyachi, Y., Miyake, H., Beleño, C., Miyata, H., Miyazaki, Y., Mizuk, R., Mohanty, G. B., Mohanty, S., Moon, H. K., Moon, T. J., Mori, T., Morii, T., Moser, H.-G., Belous, K., Mrvar, M., Müller, T., Muramatsu, N., Mussa, R., Nagasaka, Y., Nakahama, Y., Nakamura, I., Nakamura, K. R., Nakano, E., Nakano, H., Berger, M., Nakano, T., Nakao, M., Nakayama, H., Nakazawa, H., Nanut, T., Nath, K. J., Natkaniec, Z., Nayak, M., Neichi, K., Ng, C., Bernlochner, F., Niebuhr, C., Niiyama, M., Nisar, N. K., Nishida, S., Nishimura, K., Nitoh, O., Ogawa, A., Ogawa, K., Ogawa, S., Ohshima, T., Besson, D., Okuno, S., Olsen, S. L., Ono, H., Ono, Y., Onuki, Y., Ostrowicz, W., Oswald, C., Ozaki, H., Pakhlov, P., Pakhlova, G., Bhardwaj, V., Pal, B., Panzenböck, E., Pardi, S., Park, C.-S., Park, C. W., Park, H., Park, K. S., Park, S.-H., Patra, S., Paul, S., Ahn, J. K., Bhuyan, B., Pavelkin, I., Pedlar, T. K., Peng, T., Pesántez, L., Pestotnik, R., Peters, M., Piilonen, L. E., Popov, V., Prasanth, K., Prencipe, E., Bilka, T., Prim, M., Prothmann, K., Purohit, M. V., Rabusov, A., Rauch, J., Reisert, B., Resmi, P. K., Ribežl, E., Ritter, M., Rorie, J., Biswal, J., Rostomyan, A., Rozanska, M., Rummel, S., Russo, G., Sahoo, D., Sahoo, H., Saito, T., Sakai, Y., Salehi, M., Sandilya, S., Bloomfield, T., Santel, D., Santelj, L., Sanuki, T., Sasaki, J., Sasao, N., Sato, Y., Savinov, V., Schlüter, T., Schneider, O., Schnell, G., Bobrov, A., Schönmeier, P., Schram, M., Schueler, J., Schwanda, C., Schwartz, A. J., Schwenker, B., Seidl, R., Seino, Y., Semmler, D., Senyo, K., Bondar, A., Seon, O., Seong, I. S., Sevior, M. E., Shang, L., Shapkin, M., Shebalin, V., Shen, C. P., Shibata, T.-A., Shibuya, H., Shinomiya, S., Bonvicini, G., Shiu, J.-G., Shwartz, B., Sibidanov, A., Simon, F., Singh, J. B., Sinha, R., Smith, K., Sokolov, A., Soloviev, Y., Solovieva, E., Bozek, A., Stanič, S., Starič, M., Steder, M., Stottler, Z., Strube, J. F., Stypula, J., Sugihara, S., Sugiyama, A., Sumihama, M., Sumisawa, K., Bračko, M., Sumiyoshi, T., Sutcliffe, W., Suzuki, K., Suzuki, S., Suzuki, S. Y., Suzuki, Z., Takeichi, H., Takizawa, M., Tamponi, U., Braun, N., Tanaka, M., Tanaka, S., Tanida, K., Taniguchi, N., Tao, Y., Taylor, G. N., Tenchini, F., Teramoto, Y., Trabelsi, K., Tsuboyama, T., Aihara, H., Breibeck, F., Uchida, M., Uchida, T., Ueda, I., Uehara, S., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Ushiroda, Y., Usov, Y., Browder, T. E., Vahsen, S. E., Van Hulse, C., Van Tonder, R., Vanhoefer, P., Varner, G., Varvell, K. E., Vervink, K., Vinokurova, A., Vorobyev, V., Vossen, A., Campajola, M., Wagner, M. N., Waheed, E., Wang, B., Wang, C. H., Wang, M.-Z., Wang, P., Wang, X. L., Watanabe, M., Watanabe, Y., Watanuki, S., Cao, L., Wedd, R., Wehle, S., Widmann, E., Wiechczynski, J., Williams, K. M., Won, E., Yabsley, B. D., Yamada, S., Yamamoto, H., Yamashita, Y., Caria, G., Yang, S. B., Yashchenko, S., Ye, H., Yelton, J., Yin, J. H., Yook, Y., Yuan, C. Z., Yusa, Y., Zakharov, S., Zhang, C. C., Červenkov, D., Zhang, J., Zhang, L. M., Zhang, Z. P., Zhao, L., Zhilich, V., Zhukova, V., Zhulanov, V., Zivko, T., Zupanc, A., Zwahlen, N., Chang, M.-C., Belle Collaboration, Chang, P., Chao, Y., Cheaib, R., Al Said, S., Chekelian, V., Chen, A., Chen, K.-F., Cheon, B. G., Chilikin, K., Chistov, R., Cho, H. E., Cho, K., Chobanova, V., Choi, S.-K., Arinstein, K., Choi, Y., Choudhury, S., Cinabro, D., Crnkovic, J., Cunliffe, S., Czank, T., Danilov, M., Dash, N., Di Carlo, S., Dingfelder, J., Arita, Y., Doležal, Z., Dong, T. V., Dossett, D., Drásal, Z., Drutskoy, A., Dubey, S., Dutta, D., Eidelman, S., Epifanov, D., Fast, J. E., Asner, D. M., Feindt, M., Ferber, T., Frey, A., Frost, O., Fulsom, B. G., Garg, R., Gaur, V., Gabyshev, N., Garmash, A., Gelb, M., Atmacan, H., Gemmler, J., Getzkow, D., Giordano, F., Giri, A., Goldenzweig, P., Golob, B., Greenwald, D., Grosse Perdekamp, M., Grygier, J., Grzymkowska, O., Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and Belle
Subjects: Upsilon(10570): electroproduction, B: semileptonic decay, BELLE, annihilation [electron positron], electron positron: annihilation, electron: pair production, branching ratio [B], KEK-B, lepton: flavor: universality, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], ddc:530, pair production [muon], pair production [electron], B: branching ratio, B: pair production, branching ratio: ratio: measured, K*(892), electron positron: colliding beams, flavor: universality [lepton], pair production [B], +K*%28892%29+muon%2B+muon%22">B --> K*(892) muon+ muon, muon: pair production, Elementary Particles and Fields, electroproduction [Upsilon(10570)], colliding beams [electron positron], +K*%28892%29+electron+positron%22">B --> K*(892) electron positron, High Energy Physics::Experiment, semileptonic decay [B], ratio: measured [branching ratio], experimental results
Abstract: We present a measurement of $R_{K^{\ast}}$, the ratio of the branching fractions ${\cal B}(B\to K^\ast \mu^+ \mu^-)$ and ${\cal B}(B\to K^\ast e^+ e^-)$, for both charged and neutral $B$ mesons. The ratio for charged $B$ mesons, $R_{K{^{\ast +}}}$, is the first measurement ever performed. The analysis is based on a data sample of $711~\mathrm{fb}^{-1}$, containing $772\times 10^{6}$ $B\bar B$ events, recorded at the $\Upsilon(4S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^+e^-$ collider. The obtained results are consistentwith Standard Model expectations.
Published: 2019
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13. Observation of $B^{+} \rightarrow p\bar{\Lambda} K^+ K^-$ and $B^{+} \rightarrow \bar{p}\Lambda K^+ K^+$

Author: Lu, P.-C., Wang, M.-Z., Chistov, R., Chang, P., Adachi, I., Ahn, J.K., Aihara, H., Al Said, S., Asner, D.M., Atmacan, H., Aulchenko, V., Aushev, T., Ayad, R., Babu, V., Badhrees, I., Bakich, A.M., Bansal, V., Behera, P., Beleño, C., Berger, M., Bhardwaj, V., Bhuyan, B., Bilka, T., Biswal, J., Bonvicini, G., Bozek, A., Bračko, M., Browder, T.E., Cao, L., Červenkov, D., Chekelian, V., Chen, A., Cheon, B.G., Chilikin, K., Cho, K., Choi, S.-K., Choi, Y., Choudhury, S., Cinabro, D., Cunliffe, S., Dash, N., Di Carlo, S., Doležal, Z., Dong, T.V., Drásal, Z., Eidelman, S., Epifanov, D., Fast, J.E., Ferber, T., Fulsom, B.G., Garg, R., Gaur, V., Gabyshev, N., Garmash, A., Gelb, M., Giri, A., Goldenzweig, P., Guido, E., Haba, J., Hayasaka, K., Hayashii, H., Hirose, S., Hou, W.-S., Hsu, C.-L., Iijima, T., Inami, K., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Jacobs, W.W., Jeon, H.B., Jia, S., Jin, Y., Joffe, D., Joo, K.K., Julius, T., Kaliyar, A.B., Kawasaki, T., Kichimi, H., Kiesling, C., Kim, D.Y., Kim, H.J., Kim, J.B., Kim, K.T., Kim, S.H., Kinoshita, K., Kodyš, P., Korpar, S., Kotchetkov, D., Križan, P., Kroeger, R., Krokovny, P., Kuhr, T., Kulasiri, R., Kuzmin, A., Kwon, Y.-J., Lai, Y.-T., Lange, J.S., Lee, I.S., Lee, S.C., Li, L.K., Li, Y.B., Li Gioi, L., Libby, J., Liventsev, D., Lubej, M., Luo, T., Masuda, M., Matsuda, T., Matvienko, D., Merola, M., Miyabayashi, K., Miyata, H., Mizuk, R., Mohanty, G.B., Moon, H.K., Mori, T., Mussa, R., Nakao, M., Nanut, T., Nath, K.J., Natkaniec, Z., Nayak, M., Nisar, N.K., Nishida, S., Ogawa, S., Okuno, S., Ono, H., Ozaki, H., Pakhlov, P., Pakhlova, G., Pal, B., Pardi, S., Park, H., Paul, S., Pedlar, T.K., Pestotnik, R., Piilonen, L.E., Popov, V., Prencipe, E., Rabusov, A., Ritter, M., Rostomyan, A., Russo, G., Sakai, Y., Salehi, M., Sandilya, S., Santelj, L., Sanuki, T., Savinov, V., Schneider, O., Schnell, G., Schwanda, C., Seino, Y., Senyo, K., Sevior, M.E., Shebalin, V., Shen, C.P., Shibata, T.-A., Shiu, J.-G., Shwartz, B., Simon, F., Singh, J.B., Sokolov, A., Solovieva, E., Starič, M., Strube, J.F., Sumihama, M., Sumiyoshi, T., Sutcliffe, W., Takizawa, M., Tamponi, U., Tanida, K., Tenchini, F., Uchida, M., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Usov, Y., Vahsen, S.E., Van Hulse, C., Van Tonder, R., Varner, G., Vinokurova, A., Vorobyev, V., Vossen, A., Wang, B., Wang, C.H., Wang, X.L., Watanabe, M., Watanuki, S., Widmann, E., Won, E., Ye, H., Yin, J.H., Yuan, C.Z., Zhang, Z.P., Zhilich, V., Zhukova, V., Zhulanov, V., Zupanc, A., Laboratoire de l'Accélérateur Linéaire (LAL), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Belle, and Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)
Subjects: (0charm) [final state], S041:Desig=720, Upsilon(10570): electroproduction, M070:Desig=72, intermediate state [Phi(1020)], B+: branching ratio: measured, +anti-p+Lambda+K%2B+K%22">B+ --> anti-p Lambda K+ K, BELLE, annihilation [electron positron], electron positron: annihilation, intermediate state [eta(958)], 10.58 GeV-cms, decay modes, High Energy Physics - Experiment, KEK-B, +p+Antilambda+K%2B+K%22">B+ --> p Antilambda K+ K, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Particle Physics Experiments, ddc:530, Astrophysics::Galaxy Astrophysics, eta(958): intermediate state, M070:Desig=364, B: pair production, High Energy Physics::Phenomenology, S041:Desig=716, M055:Desig=40, M026:Desig=83, S041:Desig=717, electron positron: colliding beams, S041:Desig=718, S041:Desig=719, M026:Desig=82, pair production [B], final state: (0charm), B+: hadronic decay, electroproduction [Upsilon(10570)], colliding beams [electron positron], High Energy Physics::Experiment, branching ratio: measured [B+], Phi(1020): intermediate state, hadronic decay [B+], experimental results
Abstract: We report the study of \OK \ and \SK \ using a $772 \times 10^6$ $B\bar{B}$ pair data sample recorded on the $\Upsilon({\rm 4S})$ resonance with the Belle detector at KEKB. The following branching fractions are measured: $\mathcal{B}$(\OKPHSP) $=$ $(4.22^{+0.45}_{-0.44}\pm 0.51)\times10^{-6}$, $\mathcal{B}$(\SKPHSP) $=$ $(3.81^{+0.39}_{-0.37} \pm 0.45)\times 10^{-6}$, $\mathcal{B}$(\ETACD+c.c.) $=$ $(2.91^{+0.37}_{-0.35}\pm 0.36)\times 10^{-3}$ and $\mathcal{B}$(\PLPHI) $=$ $(8.18 \pm 2.15 \pm 0.79)\times10^{-7}$, where c.c. denotes the corresponding charge-conjugation process. The intermediate resonance decays are excluded in the four-body decay measurements. We also found evidences for $\mathcal{B}$(\ETACS+c.c.) $=$ $(3.59 \pm 1.52 \pm 0.47) \times 10^{-3}$ and $\mathcal{B}$(\LLKO) $=$ $(2.30 \pm 0.65 \pm 0.25) \times 10^{-6}$. No significant signals are found for \JPSIS+c.c. and \LLKS \ ; we set the 90\% confidence level upper limits on their decay branching fractions as $< 1.85\times10^{-3}$ and $< 2.14\times10^{-6}$, respectively., Comment: 20 pages, 7 figures, 3 tables Submitted to Phys. Rev. D
Published: 2019
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14. Search for the $B \to Y(4260) K, ~Y(4260) \to J/\psi \pi^+\pi^-$ decays

Author: Garg, R., Bhardwaj, V., Singh, J. B., Adachi, I., Ahn, J. K., Aihara, H., Al Said, S., Asner, D. M., Aulchenko, V., Aushev, T., Ayad, R., Babu, V., Bahinipati, S., Bansal, V., Beleño, C., Bilka, T., Biswal, J., Bobrov, A., Bozek, A., Bračko, M., Cao, L., Červenkov, D., Chen, A., Cheon, B. G., Chilikin, K., Cho, H. E., Cho, K., Choi, S.-K., Choi, Y., Cinabro, D., Cunliffe, S., Dash, N., Di Carlo, S., Doležal, Z., Dong, T. V., Drásal, Z., Eidelman, S., Fast, J. E., Fulsom, B. G., Gaur, V., Gabyshev, N., Garmash, A., Giri, A., Golob, B., Grzymkowska, O., Haba, J., Hayasaka, K., Hayashii, H., Hou, W.-S., Hsu, C.-L., Inami, K., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Jacobs, W. W., Jeon, H. B., Jia, S., Jin, Y., Joffe, D., Joo, K. K., Julius, T., Kaliyar, A. B., Kawasaki, T., Kichimi, H., Kim, D. Y., Kim, J. B., Kim, S. H., Kinoshita, K., Kodyš, P., Korpar, S., Kotchetkov, D., Križan, P., Kroeger, R., Krokovny, P., Kuhr, T., Kumar, R., Kwon, Y.-J., Lange, J. S., Lee, J. K., Lee, S. C., Li, C. H., Li, L. K., Li, Y. B., Li Gioi, L., Libby, J., Liventsev, D., Lu, P.-C., Luo, T., MacNaughton, J., Masuda, M., Matsuda, T., Matvienko, D., Merola, M., Miyabayashi, K., Miyata, H., Mizuk, R., Mohanty, G. B., Mori, T., Mussa, R., Nakao, M., Nath, K. J., Nayak, M., Nishida, S., Nishimura, K., Ogawa, S., Ono, H., Onuki, Y., Pakhlov, P., Pakhlova, G., Pal, B., Pardi, S., Patra, S., Paul, S., Pedlar, T. K., Pestotnik, R., Piilonen, L. E., Popov, V., Prasanth, K., Prencipe, E., Resmi, P. K., Rostomyan, A., Russo, G., Sakai, Y., Salehi, M., Sandilya, S., Sanuki, T., Schneider, O., Schnell, G., Schueler, J., Schwanda, C., Seino, Y., Senyo, K., Sevior, M. E., Shebalin, V., Shen, C. P., Shibata, T.-A., Shiu, J.-G., Sokolov, A., Solovieva, E., Starič, M., Stottler, Z. S., Sumihama, M., Sumiyoshi, T., Takizawa, M., Tanida, K., Tenchini, F., Trabelsi, K., Uchida, M., Uglov, T., Unno, Y., Uno, S., Usov, Y., Van Tonder, R., Varner, G., Varvell, K. E., Waheed, E., Wang, B., Wang, C. H., Wang, M.-Z., Wang, P., Wang, X. L., Watanabe, M., Won, E., Yang, S. B., Ye, H., Yelton, J., Yin, J. H., Yuan, C. Z., Zhang, Z. P., Zhilich, V., Zhukova, V., and Zhulanov, V.
Subjects: J/psi(3100), B0: hadronic decay, Upsilon(10570): electroproduction, Y(4260): hadronic decay, background, Y(4260): branching ratio, +Y%284260%29+K%2B%22">B+ --> Y(4260) K+, B0: branching ratio, BELLE, electron positron: colliding beams, electron positron: annihilation, +J%2Fpsi%283100%29+pi%2B+pi%22">Y(4260) --> J/psi(3100) pi+ pi, +Y%284260%29+K0%22">B0 --> Y(4260) K0, KEK-B, branching ratio: measured, B+: hadronic decay, mass spectrum: (J/psi(3100) pi+ pi-), pi: pair production, B+: branching ratio, experimental results
Abstract: We report the results of a search for the $B → Y(4260)K, Y(4260) → J/ψπ^+π^−$ decays. This study is based on a data sample corresponding to an integrated luminosity of $711 fb^{−1}$, collected at the $Υ(4S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^+e^−$ collider. We investigate the $J/ψπ^+π^−$ invariant mass distribution in the range 4.0 to 4.6 $GeV/c^2$ using both $B^+ → J/ψπ^+π^− K^+$ and $B^0 → J/ψπ^+π^− K^0_S$ decays. We find excesses of events above the background levels, with a significances of 2.1 and 0.9 standard deviations for charged and neutral $B → Y(4260)K$ decays, respectively, taking into account the systematic uncertainties. These correspond to upper limits on the product of branching fractions, $\mathcal{B}(B^+ → Y(4260)K^+) × \mathcal{B}(Y(4260) → J/ψπ^+π^−) < 1.4 × 10^{−5}$ and $\mathcal{B}(B^0 → Y(4260)K^0) × \mathcal{B}(Y(4260) → J/ψπ^+π^−) < 1.7 × 10^{−5}$ at the 90\% confidence level.
Published: 2019
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15. Measurement of branching fraction and final-state asymmetry for the $\bar{B}^{0}\to K^{0}_{S}K^{\mp}\pi^{\pm}$ decay

Author: Lai, Y.-T., Adachi, I., Bakich, A. M., Liptak, Z., Liventsev, D., Lu, P.-C., Lubej, M., Luo, T., MacNaughton, J., Masuda, M., Matsuda, T., Matvienko, D., Merola, M., Bansal, V., Miyabayashi, K., Mizuk, R., Mohanty, G. B., Mori, T., Mrvar, M., Mussa, R., Nakano, E., Nakao, M., Nath, K. J., Nayak, M., Behera, P., Nisar, N. K., Nishida, S., Ogawa, S., Pakhlova, G., Pal, B., Pardi, S., Park, H., Paul, S., Pedlar, T. K., Pestotnik, R., Beleño, C., Piilonen, L. E., Popov, V., Prencipe, E., Rabusov, A., Ritter, M., Rostomyan, A., Russo, G., Sakai, Y., Salehi, M., Sandilya, S., Bhuyan, B., Santelj, L., Sanuki, T., Savinov, V., Schneider, O., Schnell, G., Schwanda, C., Seino, Y., Senyo, K., Seon, O., Sevior, M. E., Bilka, T., Shen, C. P., Shibata, T.-A., Shiu, J.-G., Solovieva, E., Starič, M., Sumihama, M., Sumiyoshi, T., Sutcliffe, W., Takizawa, M., Tanida, K., Biswal, J., Tao, Y., Tenchini, F., Uchida, M., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Usov, Y., Van Tonder, R., Varner, G., Bobrov, A., Varvell, K. E., Wang, B., Wang, C. H., Wang, M.-Z., Wang, P., Wang, X. L., Widmann, E., Won, E., Yamamoto, H., Yang, S. B., Bozek, A., Ye, H., Yuan, C. Z., Yusa, Y., Zhang, Z. P., Zhilich, V., Zhukova, V., Zhulanov, V., Belle Collaboration, Bračko, M., Aihara, H., Cao, L., Červenkov, D., Chang, P., Chekelian, V., Chen, A., Cheon, B. G., Chilikin, K., Cho, K., Choi, S.-K., Choi, Y., Al Said, S., Choudhury, S., Cinabro, D., Cunliffe, S., Dash, N., Di Carlo, S., Doležal, Z., Dong, T. V., Eidelman, S., Epifanov, D., Fast, J. E., Asner, D. M., Frey, A., Fulsom, B. G., Garg, R., Gaur, V., Gabyshev, N., Garmash, A., Gelb, M., Giri, A., Goldenzweig, P., Greenwald, D., Atmacan, H., Guan, Y., Haba, J., Hara, T., Hayasaka, K., Hayashii, H., Hou, W.-S., Hsu, C.-L., Huang, K., Iijima, T., Inami, K., Aulchenko, V., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Jia, S., Jin, Y., Joffe, D., Kaliyar, A. B., Karyan, G., Aushev, T., Kawasaki, T., Kichimi, H., Kiesling, C., Kim, D. Y., Kim, H. J., Kim, J. B., Kim, S. H., Kinoshita, K., Kodyš, P., Korpar, S., Babu, Varghese, Kotchetkov, D., Križan, P., Kroeger, R., Krokovny, P., Kuhr, T., Kulasiri, R., Kumar, R., Kuzmin, A., Kwon, Y.-J., Lalwani, K., Badhrees, I., Lange, J. S., Lee, I. S., Lee, J. K., Lee, J. Y., Lee, S. C., Li, C. H., Li, L. K., Li, Y. B., Li Gioi, L., Libby, J., Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Belle, and Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11)
Subjects: +pi-+K%2B+K0%28S%29%22">anti-B0 --> pi- K+ K0(S), Upsilon(10570): electroproduction, Dalitz plot, BELLE, annihilation [electron positron], S042A13, +pi%2B+K-+K0%28S%29%22">anti-B0 --> pi+ K- K0(S), electron positron: annihilation, anti-B0: branching ratio: measured, High Energy Physics - Experiment, KEK-B, branching ratio: measured [anti-B0], (K pi) [mass spectrum], [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], ddc:530, structure, S042:Desig=228, electron positron: colliding beams, hadronic decay [anti-B0], mass spectrum: (K K0(S)), mass spectrum: (K pi), (K K0(S)) [mass spectrum], anti-B0: hadronic decay, electroproduction [Upsilon(10570)], colliding beams [electron positron], High Energy Physics::Experiment, statistical, asymmetry, experimental results
Abstract: We report a measurement of the branching fraction and final-state asymmetry for the $\bar{B}^{0}\to K^{0}_{S}K^{\mp}\pi^{\pm}$ decays. The analysis is based on a data sample of 711 $\rm{fb}^{-1}$ collected at the $\Upsilon(4S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^{+}e^{-}$ collider. We obtain a branching fraction of $(3.60\pm0.33\pm0.15)\times10^{-6}$ and a final-state asymmetry of $(-8.5\pm8.9\pm0.2)\%$, where the first uncertainties are statistical and the second are systematic. Hints of peaking structures are seen in the differential branching fractions measured as functions of Dalitz variables., Comment: 17 pages, 4 figures, to be submitted to PRD(RC)
Published: 2019
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16. Measurement of branching fraction and final-state asymmetry for the $\bar{B}^{0}\to K^{0}_{S}K^{\mp}\pi^{\pm}$ decay

Author: Lai, Y.-T., Adachi, I., Aihara, H., Al Said, S., Asner, D. M., Atmacan, H., Aulchenko, V., Aushev, T., Babu, Varghese, Badhrees, I., Bakich, A. M., Bansal, V., Behera, P., Beleño, C., Bhuyan, B., Bilka, T., Biswal, J., Bobrov, A., Bozek, A., Bračko, M., Cao, L., Červenkov, D., Chang, P., Chekelian, V., Chen, A., Cheon, B. G., Chilikin, K., Cho, K., Choi, S.-K., Choi, Y., Choudhury, S., Cinabro, D., Cunliffe, S., Dash, N., Di Carlo, S., Doležal, Z., Dong, T. V., Eidelman, S., Epifanov, D., Fast, J. E., Frey, A., Fulsom, B. G., Garg, R., Gaur, V., Gabyshev, N., Garmash, A., Gelb, M., Giri, A., Goldenzweig, P., Greenwald, D., Guan, Y., Haba, J., Hara, T., Hayasaka, K., Hayashii, H., Hou, W.-S., Hsu, C.-L., Huang, K., Iijima, T., Inami, K., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Jia, S., Jin, Y., Joffe, D., Kaliyar, A. B., Karyan, G., Kawasaki, T., Kichimi, H., Kiesling, C., Kim, D. Y., Kim, H. J., Kim, J. B., Kim, S. H., Kinoshita, K., Kodyš, P., Korpar, S., Kotchetkov, D., Križan, P., Kroeger, R., Krokovny, P., Kuhr, T., Kulasiri, R., Kumar, R., Kuzmin, A., Kwon, Y.-J., Lalwani, K., Lange, J. S., Lee, I. S., Lee, J. K., Lee, J. Y., Lee, S. C., Li, C. H., Li, L. K., Li, Y. B., Li Gioi, L., Libby, J., Liptak, Z., Liventsev, D., Lu, P.-C., Lubej, M., Luo, T., MacNaughton, J., Masuda, M., Matsuda, T., Matvienko, D., Merola, M., Miyabayashi, K., Mizuk, R., Mohanty, G. B., Mori, T., Mrvar, M., Mussa, R., Nakano, E., Nakao, M., Nath, K. J., Nayak, M., Nisar, N. K., Nishida, S., Ogawa, S., Pakhlova, G., Pal, B., Pardi, S., Park, H., Paul, S., Pedlar, T. K., Pestotnik, R., Piilonen, L. E., Popov, V., Prencipe, E., Rabusov, A., Ritter, M., Rostomyan, A., Russo, G., Sakai, Y., Salehi, M., Sandilya, S., Santelj, L., Sanuki, T., Savinov, V., Schneider, O., Schnell, G., Schwanda, C., Seino, Y., Senyo, K., Seon, O., Sevior, M. E., Shen, C. P., Shibata, T.-A., Shiu, J.-G., Solovieva, E., Starič, M., Sumihama, M., Sumiyoshi, T., Sutcliffe, W., Takizawa, M., Tanida, K., Tao, Y., Tenchini, F., Uchida, M., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Usov, Y., Van Tonder, R., Varner, G., Varvell, K. E., Wang, B., Wang, C. H., Wang, M.-Z., Wang, P., Wang, X. L., Widmann, E., Won, E., Yamamoto, H., Yang, S. B., Ye, H., Yuan, C. Z., Yusa, Y., Zhang, Z. P., Zhilich, V., Zhukova, V., and Zhulanov, V.
Subjects: +pi%2B+K-+K0%28S%29%22">anti-B0 --> pi+ K- K0(S), Upsilon(10570): electroproduction, Dalitz plot, BELLE, electron positron: colliding beams, electron positron: annihilation, mass spectrum: (K pi), mass spectrum: (K K0(S)), anti-B0: branching ratio: measured, KEK-B, anti-B0: hadronic decay, High Energy Physics::Experiment, structure, +pi-+K%2B+K0%28S%29%22">anti-B0 --> pi- K+ K0(S), statistical, asymmetry, experimental results
Abstract: We report a measurement of the branching fraction and final-state asymmetry for the $\bar{B}^{0}\to K^{0}_{S}K^{\mp}\pi^{\pm}$ decays. The analysis is based on a data sample of 711 $\rm{fb}^{-1}$ collected at the $\Upsilon(4S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^{+}e^{-}$ collider. We obtain a branching fraction of $(3.60\pm0.33\pm0.15)\times10^{-6}$ and a final-state asymmetry of $(-8.5\pm8.9\pm0.2)\%$, where the first uncertainties are statistical and the second are systematic. Hints of peaking structures are seen in the differential branching fractions measured as functions of Dalitz variables.
Published: 2019
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17. Measurements of branching fraction and direct $CP$ asymmetry in $B^{\pm}\to K^{0}_{S}K^{0}_{S}K^{\pm}$ and a search for $B^{\pm}\to K^{0}_{S}K^{0}_{S}\pi^{\pm}$

Author: Kaliyar, A. B., Behera, P., Mohanty, G. B., Gaur, V., Adachi, I., Ahn, J. K., Aihara, H., Al Said, S., Asner, D. M., Aulchenko, V., Aushev, T., Ayad, R., Babu, Varghese, Badhrees, I., Bahinipati, S., Bakich, A. M., Bansal, V., Beleño, C., Bhardwaj, V., Bilka, T., Biswal, J., Bobrov, A., Bozek, A., Bračko, M., Cao, L., Červenkov, D., Chekelian, V., Chen, A., Cheon, B. G., Chilikin, K., Cho, H. E., Cho, K., Choi, S.-K., Choi, Y., Choudhury, S., Cinabro, D., Cunliffe, S., Dash, N., Di Carlo, S., Dingfelder, J., Doležal, Z., Dong, T. V., Drásal, Z., Eidelman, S., Epifanov, D., Fast, J. E., Ferber, T., Frey, A., Fulsom, B. G., Garg, R., Gabyshev, N., Garmash, A., Gelb, M., Giri, A., Goldenzweig, P., Golob, B., Greenwald, D., Grzymkowska, O., Haba, J., Hara, T., Hayasaka, K., Hayashii, H., Hou, W.-S., Hsu, C.-L., Iijima, T., Inami, K., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Jacobs, W. W., Jeon, H. B., Jia, S., Joffe, D., Joo, K. K., Kahn, J., Karyan, G., Kawasaki, T., Kichimi, H., Kiesling, C., Kim, C. H., Kim, D. Y., Kim, H. J., Kim, S. H., Kimmel, T. D., Kinoshita, K., Kodyš, P., Korpar, S., Kotchetkov, D., Križan, P., Kroeger, R., Krokovny, P., Kuhr, T., Kulasiri, R., Kumar, R., Kuzmin, A., Kwon, Y.-J., Lee, I. S., Lee, J. K., Lee, J. Y., Lee, S. C., Levit, D., Li, C. H., Li, L. K., Li, Y. B., Li Gioi, L., Libby, J., Luo, T., MacNaughton, J., Matsuda, T., Matvienko, D., Merola, M., Miyabayashi, K., Miyata, H., Mizuk, R., Mohanty, S., Mori, T., Nakao, M., Nath, K. J., Natkaniec, Z., Nayak, M., Nisar, N. K., Nishida, S., Nishimura, K., Ogawa, K., Ogawa, S., Ono, H., Onuki, Y., Ostrowicz, W., Pakhlova, G., Pal, B., Pardi, S., Patra, S., Paul, S., Pedlar, T. K., Pestotnik, R., Piilonen, L. E., Popov, V., Prasanth, K., Prencipe, E., Rabusov, A., Resmi, P. K., Ritter, M., Rostomyan, A., Russo, G., Sahoo, D., Sakai, Y., Salehi, M., Sandilya, S., Sanuki, T., Savinov, V., Schneider, O., Schnell, G., Schueler, J., Schwanda, C., Schwartz, A. J., Seino, Y., Senyo, K., Sevior, M. E., Shen, C. P., Shibata, T.-A., Shiu, J.-G., Simon, F., Solovieva, E., Starič, M., Stottler, Z. S., Sumihama, M., Sumiyoshi, T., Sutcliffe, W., Takizawa, M., Tanida, K., Tao, Y., Tenchini, F., Trabelsi, K., Uchida, M., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Usov, Y., Van Tonder, R., Varner, G., Varvell, K. E., Vossen, A., Waheed, E., Wang, B., Wang, C. H., Wang, M.-Z., Wang, P., Wang, X. L., Won, E., Yang, S. B., Ye, H., Yelton, J., Yin, J. H., Yusa, Y., Zhang, Z. P., Zhilich, V., and Zhukova, V.
Subjects: Upsilon(10570), KEK-B, branching ratio: measured, BELLE, 4/3, meson, asymmetry, hadronic decay
Abstract: Physical review / D 99(3), 031102 (2019). doi:10.1103/PhysRevD.99.031102, We study charmless hadronic decays of charged B mesons to the final states $K_{S}^{0}K_{S}^{0}K^±$ and $K_{S}^{0}K_{S}^{0}π^±$ using a 711 fb$^{-1}$ data sample that contains 772×10$^6$ $B\bar{B}$ pairs and was collected at the $ϒ(4S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^+ e^-$ collider. For $B^± → K_{S}^{0}K_{S}^{0}K^±$, the measured branching fraction and direct CP asymmetry are $[10.42±0.43(stat)±0.22(syst)] × 10^{-6 }$ and $[+1.6±3.9(stat)±0.9(syst)]\%$, respectively. In the absence of a statistically significant signal for $B^± → K_{S}^{0}K_{S}^{0}K^±$, we obtain a 90% confidence-level upper limit on its branching fraction as $8.7 × 10^{-7}$., Published by APS, College Park, MD
Published: 2019
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18. Measurement of the CKM matrix element $|V_{cb}|$ from $B^0\to D^{*-}\ell^ {+} \nu_\ell$ at Belle

Author: Waheed, E., Urquijo, P., Asner, D. M., Greenwald, D., Grosse Perdekamp, M., Grygier, J., Grzymkowska, O., Guan, Y., Guido, E., Guo, H., Haba, J., Hamer, P., Hara, K., Atmacan, H., Hara, T., Hasegawa, Y., Hasenbusch, J., Hayasaka, K., Hayashii, H., He, X. H., Heck, M., Hedges, M. T., Heffernan, D., Heider, M., Aulchenko, V., Heller, A., Higuchi, T., Hirose, S., Horiguchi, T., Hoshi, Y., Hoshina, K., Hou, W.-S., Hsiung, Y. B., Hsu, C.-L., Huang, K., Aushev, T., Huschle, M., Igarashi, Y., Iijima, T., Imamura, M., Inami, K., Inguglia, G., Ishikawa, A., Itagaki, K., Itoh, R., Iwasaki, M., Ayad, R., Iwasaki, Y., Iwata, S., Jacobs, W. W., Jaegle, I., Jeon, H. B., Jia, S., Jin, Y., Joffe, D., Jones, M., Joo, K. K., Aziz, T., Julius, T., Kahn, J., Kakuno, H., Kaliyar, A. B., Kang, J. H., Kang, K. H., Kapusta, P., Karyan, G., Kataoka, S. U., Kato, E., Babu, V., Kato, Y., Katrenko, P., Kawai, H., Kawasaki, T., Keck, T., Kichimi, H., Kiesling, C., Kim, B. H., Kim, C. H., Kim, D. Y., Badhrees, I., Kim, H. J., Kim, H.-J., Kim, J. B., Kim, K. T., Kim, S. H., Kim, S. K., Kim, Y. J., Kimmel, T., Kindo, H., Kinoshita, K., Bahinipati, S., Kleinwort, C., Klucar, J., Kobayashi, N., Kodyš, P., Koga, Y., Konno, T., Korpar, S., Kotchetkov, D., Kouzes, R. T., Križan, P., Bakich, A. M., Kroeger, R., Krohn, J.-F., Krokovny, P., Kronenbitter, B., Kuhr, T., Kulasiri, R., Kumar, R., Kumita, T., Kurihara, E., Kuroki, Y., Ferlewicz, D., Ban, Y., Kuzmin, A., Kvasnička, P., Kwon, Y.-J., Lai, Y.-T., Lalwani, K., Lange, J. S., Lee, I. S., Lee, J. K., Lee, J. Y., Lee, S. C., Bansal, V., Leitgab, M., Leitner, R., Levit, D., Lewis, P., Li, C. H., Li, H., Li, L. K., Li, Y., Li, Y. B., Li Gioi, L., Barberio, E., Libby, J., Limosani, A., Liptak, Z., Liu, C., Liu, Y., Liventsev, D., Loos, A., Louvot, R., Lu, P.-C., Lubej, M., Barrett, M., Luo, T., MacNaughton, J., Masuda, M., Matsuda, T., Matvienko, D., Matyja, A., McNeil, J. T., Merola, M., Metzner, F., Mikami, Y., Bartel, W., Miyabayashi, K., Miyachi, Y., Miyake, H., Miyata, H., Miyazaki, Y., Mizuk, R., Mohanty, G. B., Mohanty, S., Moon, H. K., Moon, T. J., Behera, P., Mori, T., Morii, T., Moser, H.-G., Mrvar, M., Müller, T., Muramatsu, N., Mussa, R., Nagasaka, Y., Nakahama, Y., Nakamura, I., Beleño, C., Nakamura, K. R., Nakano, E., Nakano, H., Nakano, T., Nakao, M., Nakayama, H., Nakazawa, H., Nanut, T., Nath, K. J., Natkaniec, Z., Belous, K., Nayak, M., Neichi, K., Ng, C., Niebuhr, C., Niiyama, M., Nisar, N. K., Nishida, S., Nishimura, K., Nitoh, O., Ogawa, A., Berger, M., Ogawa, K., Ogawa, S., Ohshima, T., Okuno, S., Olsen, S. L., Ono, H., Ono, Y., Onuki, Y., Ostrowicz, W., Oswald, C., Bernlochner, F., Ozaki, H., Pakhlov, P., Pakhlova, G., Pal, B., Palka, H., Panzenböck, E., Pardi, S., Park, C.-S., Park, C. W., Park, H., Adachi, I., Besson, D., Park, K. S., Park, S.-H., Paul, S., Pavelkin, I., Pedlar, T. K., Peng, T., Pesántez, L., Pestotnik, R., Peters, M., Piilonen, L. E., Bhardwaj, V., Popov, V., Prasanth, K., Prencipe, E., Prim, M., Prothmann, K., Purohit, M. V., Rabusov, A., Rauch, J., Reisert, B., Resmi, P. K., Bhuyan, B., Ribežl, E., Ritter, M., Rorie, J., Rostomyan, A., Rozanska, M., Rummel, S., Russo, G., Sahoo, D., Sahoo, H., Saito, T., Bilka, T., Sakai, Y., Salehi, M., Sandilya, S., Santel, D., Santelj, L., Sanuki, T., Sasaki, J., Sasao, N., Sato, Y., Savinov, V., Biswal, J., Schlüter, T., Schneider, O., Schnell, G., Schönmeier, P., Schram, M., Schueler, J., Schwanda, C., Schwartz, A. J., Schwenker, B., Seidl, R., Bloomfield, T., Seino, Y., Semmler, D., Senyo, K., Seon, O., Seong, I. S., Sevior, M. E., Shang, L., Shapkin, M., Shebalin, V., Shen, C. P., Bobrov, A., Shibata, T.-A., Shibuya, H., Shinomiya, S., Shiu, J.-G., Shwartz, B., Sibidanov, A., Simon, F., Singh, J. B., Sinha, R., Smith, K., Bondar, A., Sokolov, A., Soloviev, Y., Solovieva, E., Stanič, S., Starič, M., Steder, M., Stottler, Z., Strube, J. F., Stypula, J., Sugihara, S., Bonvicini, G., Sugiyama, A., Sumihama, M., Sumisawa, K., Sumiyoshi, T., Sutcliffe, W., Suzuki, K., Suzuki, S., Suzuki, S. Y., Suzuki, Z., Bozek, A., Takeichi, H., Takizawa, M., Tamponi, U., Tanaka, M., Tanaka, S., Tanida, K., Taniguchi, N., Tao, Y., Taylor, G. N., Tenchini, F., Adamczyk, K., Bračko, M., Teramoto, Y., Tikhomirov, I., Trabelsi, K., Tsuboyama, T., Uchida, M., Uchida, T., Ueda, I., Uehara, S., Uglov, T., Unno, Y., Braun, N., Uno, S., Ushiroda, Y., Usov, Y., Vahsen, S. E., Van Tonder, R., Van Hulse, C., Vanhoefer, P., Varner, G., Varvell, K. E., Vervink, K., Breibeck, F., Vinokurova, A., Vorobyev, V., Vossen, A., Wagner, M. N., Wang, B., Wang, C. H., Wang, M.-Z., Wang, P., Wang, X. L., Watanabe, M., Brodzicka, J., Watanabe, Y., Watanuki, S., Wedd, R., Wehle, S., Widmann, E., Wiechczynski, J., Williams, K. M., Won, E., Yabsley, B. D., Yamada, S., Browder, T. E., Yamamoto, H., Yamashita, Y., Yang, S. B., Yashchenko, S., Ye, H., Yelton, J., Yin, J. H., Yook, Y., Yuan, C. Z., Yusa, Y., Cao, L., Zakharov, S., Zhang, C. C., Zhang, L. M., Zhang, Z. P., Zhao, L., Zhilich, V., Zhukova, V., Zhulanov, V., Zivko, T., Zupanc, A., Caria, G., Zwahlen, N., Belle Collaboration, Červenkov, D., Chang, M.-C., Chang, P., Ahn, J. K., Chao, Y., Cheaib, R., Chekelian, V., Chen, A., Chen, K.-F., Cheon, B. G., Chilikin, K., Chistov, R., Cho, H. E., Cho, K., Aihara, H., Chobanova, V., Choi, S.-K., Choi, Y., Choudhury, S., Cinabro, D., Crnkovic, J., Cunliffe, S., Czank, T., Danilov, M., Dash, N., Al Said, S., Di Carlo, S., Dingfelder, J., Doležal, Z., Dong, T. V., Dossett, D., Drásal, Z., Drutskoy, A., Dubey, S., Dutta, D., Eidelman, S., Arinstein, K., Epifanov, D., Fast, J. E., Feindt, M., Ferber, T., Frey, A., Frost, O., Fulsom, B. G., Garg, R., Gaur, V., Gabyshev, N., Arita, Y., Garmash, A., Gelb, M., Gemmler, J., Getzkow, D., Giordano, F., Giri, A., Glattauer, R., Goh, Y. M., Goldenzweig, P., Golob, B., Laboratoire de l'Accélérateur Linéaire (LAL), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Belle, and Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)
Subjects: parametrization [form factor], data analysis method, Upsilon(10570): electroproduction, S042RA, BELLE, annihilation [electron positron], +D*%282010%29+lepton+antineutrino%22">anti-B0 --> D*(2010) lepton antineutrino, electron positron: annihilation, S042RH, S052CB1, High Energy Physics - Experiment, KEK-B, statistical analysis, correction [electroweak interaction], [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], form factor: parametrization, Particle Physics Experiments, ddc:530, form factor [decay], Heavy Quark Effective Theory, B: pair production, electron positron: colliding beams, pair production [B], electroweak interaction: correction, S042:Desig=181, CKM matrix, electroproduction [Upsilon(10570)], semileptonic decay [anti-B0], colliding beams [electron positron], decay: form factor, anti-B0: semileptonic decay, S042RV, experimental results
Abstract: We present a new measurement of the CKM matrix element $|V_{cb}|$ from $B^{0} \to D^{*-} \ell^+ \nu_\ell$ decays, reconstructed with the full Belle data set of $711 \, \rm fb^{-1}$ integrated luminosity. Two form factor parameterizations, originally conceived by the Caprini-Lellouch-Neubert (CLN) and the Boyd, Grinstein and Lebed (BGL) groups, are used to extract the product $\mathcal{F}(1)\eta_{\rm EW}|V_{cb}|$ and the decay form factors, where $\mathcal{F}(1)$ is the normalization factor and $\eta_{\rm EW}$ is a small electroweak correction. In the CLN parameterization we find $\mathcal{F}(1)\eta_{\rm EW}|V_{cb}| = (35.06 \pm 0.15 \pm 0.56) \times 10^{-3}$, $\rho^{2}=1.106 \pm 0.031 \pm 0.007$, $R_{1}(1)=1.229 \pm 0.028 \pm 0.009$, $R_{2}(1)=0.852 \pm 0.021 \pm 0.006$. For the BGL parameterization we obtain $\mathcal{F}(1)\eta_{\rm EW}|V_{cb}|= (34.93 \pm 0.23 \pm 0.59)\times 10^{-3}$, which is consistent with the World Average when correcting for $\mathcal{F}(1)\eta_{\rm EW}$. The branching fraction of $B^{0} \to D^{*-} \ell^+ \nu_\ell$ is measured to be $\mathcal{B}(B^{0}\rightarrow D^{*-}\ell^{+}\nu_{\ell}) = (4.90 \pm 0.02 \pm 0.16)\%$. We also present a new test of lepton flavor universality violation in semileptonic $B$ decays, $\frac{{\cal B }(B^0 \to D^{*-} e^+ \nu)}{{\cal B }(B^0 \to D^{*-} \mu^+ \nu)} = 1.01 \pm 0.01 \pm 0.03~$. The errors correspond to the statistical and systematic uncertainties respectively. This is the most precise measurement of $\mathcal{F}(1)\eta_{\rm EW}|V_{cb}|$ and form factors to date and the first experimental study of the BGL form factor parameterization in an experimental measurement.
Published: 2019

19. Search for the $B \to Y(4260) K, ~Y(4260) \to J/\psi \pi^+\pi^-$ decays

Author: Garg, R., Bhardwaj, V., Singh, J. B., Adachi, I., Ahn, J. K., Aihara, H., Al Said, S., Asner, D. M., Aulchenko, V., Aushev, T., Ayad, R., Babu, V., Bahinipati, S., Bansal, V., Beleño, C., Bilka, T., Biswal, J., Bobrov, A., Bozek, A., Bračko, M., Cao, L., Červenkov, D., Chen, A., Cheon, B. G., Chilikin, K., Cho, H. E., Cho, K., Choi, S.-K., Choi, Y., Cinabro, D., Cunliffe, S., Dash, N., Di Carlo, S., Doležal, Z., Dong, T. V., Drásal, Z., Eidelman, S., Fast, J. E., Fulsom, B. G., Gaur, V., Gabyshev, N., Garmash, A., Giri, A., Golob, B., Grzymkowska, O., Haba, J., Hayasaka, K., Hayashii, H., Hou, W.-S., Hsu, C.-L., Inami, K., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Jacobs, W. W., Jeon, H. B., Jia, S., Jin, Y., Joffe, D., Joo, K. K., Julius, T., Kaliyar, A. B., Kawasaki, T., Kichimi, H., Kim, D. Y., Kim, J. B., Kim, S. H., Kinoshita, K., Kodyš, P., Korpar, S., Kotchetkov, D., Križan, P., Kroeger, R., Krokovny, P., Kuhr, T., Kumar, R., Kwon, Y.-J., Lange, J. S., Lee, J. K., Lee, S. C., Li, C. H., Li, L. K., Li, Y. B., Li Gioi, L., Libby, J., Liventsev, D., Lu, P.-C., Luo, T., MacNaughton, J., Masuda, M., Matsuda, T., Matvienko, D., Merola, M., Miyabayashi, K., Miyata, H., Mizuk, R., Mohanty, G. B., Mori, T., Mussa, R., Nakao, M., Nath, K. J., Nayak, M., Nishida, S., Nishimura, K., Ogawa, S., Ono, H., Onuki, Y., Pakhlov, P., Pakhlova, G., Pal, B., Pardi, S., Patra, S., Paul, S., Pedlar, T. K., Pestotnik, R., Piilonen, L. E., Popov, V., Prasanth, K., Prencipe, E., Resmi, P. K., Rostomyan, A., Russo, G., Sakai, Y., Salehi, M., Sandilya, S., Sanuki, T., Schneider, O., Schnell, G., Schueler, J., Schwanda, C., Seino, Y., Senyo, K., Sevior, M. E., Shebalin, V., Shen, C. P., Shibata, T.-A., Shiu, J.-G., Sokolov, A., Solovieva, E., Starič, M., Stottler, Z. S., Sumihama, M., Sumiyoshi, T., Takizawa, M., Tanida, K., Tenchini, F., Trabelsi, K., Uchida, M., Uglov, T., Unno, Y., Uno, S., Usov, Y., Van Tonder, R., Varner, G., Varvell, K. E., Waheed, E., Wang, B., Wang, C. H., Wang, M.-Z., Wang, P., Wang, X. L., Watanabe, M., Won, E., Yang, S. B., Ye, H., Yelton, J., Yin, J. H., Yuan, C. Z., Zhang, Z. P., Zhilich, V., Zhukova, V., and Zhulanov, V.
Subjects: J/psi(3100), B0: hadronic decay, Upsilon(10570): electroproduction, Y(4260): hadronic decay, background, Y(4260): branching ratio, +Y%284260%29+K%2B%22">B+ --> Y(4260) K+, B0: branching ratio, BELLE, electron positron: colliding beams, electron positron: annihilation, +J%2Fpsi%283100%29+pi%2B+pi%22">Y(4260) --> J/psi(3100) pi+ pi, +Y%284260%29+K0%22">B0 --> Y(4260) K0, KEK-B, branching ratio: measured, B+: hadronic decay, mass spectrum: (J/psi(3100) pi+ pi-), pi: pair production, B+: branching ratio, experimental results
Abstract: Physical review / D 99(7), 071102 (2019). doi:10.1103/PhysRevD.99.071102, We report the results of a search for the $B → Y(4260)K, Y(4260) → J/ψπ^+π^−$ decays. This study is based on a data sample corresponding to an integrated luminosity of $711 fb^{−1}$, collected at the $Υ(4S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^+e^−$ collider. We investigate the $J/ψπ^+π^−$ invariant mass distribution in the range 4.0 to 4.6 $GeV/c^2$ using both $B^+ → J/ψπ^+π^− K^+$ and $B^0 → J/ψπ^+π^− K^0_S$ decays. We find excesses of events above the background levels, with a significances of 2.1 and 0.9 standard deviations for charged and neutral $B → Y(4260)K$ decays, respectively, taking into account the systematic uncertainties. These correspond to upper limits on the product of branching fractions, $\mathcal{B}(B^+ → Y(4260)K^+) × \mathcal{B}(Y(4260) → J/ψπ^+π^−) < 1.4 × 10^{−5}$ and $\mathcal{B}(B^0 → Y(4260)K^0) × \mathcal{B}(Y(4260) → J/ψπ^+π^−) < 1.7 × 10^{−5}$ at the 90\% confidence level., Published by APS, College Park, MD
Published: 2019
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20. Measurement of the CKM matrix element $|V_{cb}|$ from $B^0\to D^{*-}\ell^ {+} \nu_\ell$ at Belle

Author: Waheed, E., Urquijo, P., Ferlewicz, D., Adachi, I., Adamczyk, K., Ahn, J. K., Aihara, H., Al Said, S., Arinstein, K., Arita, Y., Asner, D. M., Atmacan, H., Aulchenko, V., Aushev, T., Ayad, R., Aziz, T., Babu, V., Badhrees, I., Bahinipati, S., Bakich, A. M., Ban, Y., Bansal, V., Barberio, E., Barrett, M., Bartel, W., Behera, P., Beleño, C., Belous, K., Berger, M., Bernlochner, F., Besson, D., Bhardwaj, V., Bhuyan, B., Bilka, T., Biswal, J., Bloomfield, T., Bobrov, A., Bondar, A., Bonvicini, G., Bozek, A., Bračko, M., Braun, N., Breibeck, F., Brodzicka, J., Browder, T. E., Cao, L., Caria, G., Červenkov, D., Chang, M.-C., Chang, P., Chao, Y., Cheaib, R., Chekelian, V., Chen, A., Chen, K.-F., Cheon, B. G., Chilikin, K., Chistov, R., Cho, H. E., Cho, K., Chobanova, V., Choi, S.-K., Choi, Y., Choudhury, S., Cinabro, D., Crnkovic, J., Cunliffe, S., Czank, T., Danilov, M., Dash, N., Di Carlo, S., Dingfelder, J., Doležal, Z., Dong, T. V., Dossett, D., Drásal, Z., Drutskoy, A., Dubey, S., Dutta, D., Eidelman, S., Epifanov, D., Fast, J. E., Feindt, M., Ferber, T., Frey, A., Frost, O., Fulsom, B. G., Garg, R., Gaur, V., Gabyshev, N., Garmash, A., Gelb, M., Gemmler, J., Getzkow, D., Giordano, F., Giri, A., Glattauer, R., Goh, Y. M., Goldenzweig, P., Golob, B., Greenwald, D., Grosse Perdekamp, M., Grygier, J., Grzymkowska, O., Guan, Y., Guido, E., Guo, H., Haba, J., Hamer, P., Hara, K., Hara, T., Hasegawa, Y., Hasenbusch, J., Hayasaka, K., Hayashii, H., He, X. H., Heck, M., Hedges, M. T., Heffernan, D., Heider, M., Heller, A., Higuchi, T., Hirose, S., Horiguchi, T., Hoshi, Y., Hoshina, K., Hou, W.-S., Hsiung, Y. B., Hsu, C.-L., Huang, K., Huschle, M., Igarashi, Y., Iijima, T., Imamura, M., Inami, K., Inguglia, G., Ishikawa, A., Itagaki, K., Itoh, R., Iwasaki, M., Iwasaki, Y., Iwata, S., Jacobs, W. W., Jaegle, I., Jeon, H. B., Jia, S., Jin, Y., Joffe, D., Jones, M., Joo, K. K., Julius, T., Kahn, J., Kakuno, H., Kaliyar, A. B., Kang, J. H., Kang, K. H., Kapusta, P., Karyan, G., Kataoka, S. U., Kato, E., Kato, Y., Katrenko, P., Kawai, H., Kawasaki, T., Keck, T., Kichimi, H., Kiesling, C., Kim, B. H., Kim, C. H., Kim, D. Y., Kim, H. J., Kim, H.-J., Kim, J. B., Kim, K. T., Kim, S. H., Kim, S. K., Kim, Y. J., Kimmel, T., Kindo, H., Kinoshita, K., Kleinwort, C., Klucar, J., Kobayashi, N., Kodyš, P., Koga, Y., Konno, T., Korpar, S., Kotchetkov, D., Kouzes, R. T., Križan, P., Kroeger, R., Krohn, J.-F., Krokovny, P., Kronenbitter, B., Kuhr, T., Kulasiri, R., Kumar, R., Kumita, T., Kurihara, E., Kuroki, Y., Kuzmin, A., Kvasnička, P., Kwon, Y.-J., Lai, Y.-T., Lalwani, K., Lange, J. S., Lee, I. S., Lee, J. K., Lee, J. Y., Lee, S. C., Leitgab, M., Leitner, R., Levit, D., Lewis, P., Li, C. H., Li, H., Li, L. K., Li, Y., Li, Y. B., Li Gioi, L., Libby, J., Limosani, A., Liptak, Z., Liu, C., Liu, Y., Liventsev, D., Loos, A., Louvot, R., Lu, P.-C., Lubej, M., Luo, T., MacNaughton, J., Masuda, M., Matsuda, T., Matvienko, D., Matyja, A., McNeil, J. T., Merola, M., Metzner, F., Mikami, Y., Miyabayashi, K., Miyachi, Y., Miyake, H., Miyata, H., Miyazaki, Y., Mizuk, R., Mohanty, G. B., Mohanty, S., Moon, H. K., Moon, T. J., Mori, T., Morii, T., Moser, H.-G., Mrvar, M., Müller, T., Muramatsu, N., Mussa, R., Nagasaka, Y., Nakahama, Y., Nakamura, I., Nakamura, K. R., Nakano, E., Nakano, H., Nakano, T., Nakao, M., Nakayama, H., Nakazawa, H., Nanut, T., Nath, K. J., Natkaniec, Z., Nayak, M., Neichi, K., Ng, C., Niebuhr, C., Niiyama, M., Nisar, N. K., Nishida, S., Nishimura, K., Nitoh, O., Ogawa, A., Ogawa, K., Ogawa, S., Ohshima, T., Okuno, S., Olsen, S. L., Ono, H., Ono, Y., Onuki, Y., Ostrowicz, W., Oswald, C., Ozaki, H., Pakhlov, P., Pakhlova, G., Pal, B., Palka, H., Panzenböck, E., Pardi, S., Park, C.-S., Park, C. W., Park, H., Park, K. S., Park, S.-H., Paul, S., Pavelkin, I., Pedlar, T. K., Peng, T., Pesántez, L., Pestotnik, R., Peters, M., Piilonen, L. E., Popov, V., Prasanth, K., Prencipe, E., Prim, M., Prothmann, K., Purohit, M. V., Rabusov, A., Rauch, J., Reisert, B., Resmi, P. K., Ribežl, E., Ritter, M., Rorie, J., Rostomyan, A., Rozanska, M., Rummel, S., Russo, G., Sahoo, D., Sahoo, H., Saito, T., Sakai, Y., Salehi, M., Sandilya, S., Santel, D., Santelj, L., Sanuki, T., Sasaki, J., Sasao, N., Sato, Y., Savinov, V., Schlüter, T., Schneider, O., Schnell, G., Schönmeier, P., Schram, M., Schueler, J., Schwanda, C., Schwartz, A. J., Schwenker, B., Seidl, R., Seino, Y., Semmler, D., Senyo, K., Seon, O., Seong, I. S., Sevior, M. E., Shang, L., Shapkin, M., Shebalin, V., Shen, C. P., Shibata, T.-A., Shibuya, H., Shinomiya, S., Shiu, J.-G., Shwartz, B., Sibidanov, A., Simon, F., Singh, J. B., Sinha, R., Smith, K., Sokolov, A., Soloviev, Y., Solovieva, E., Stanič, S., Starič, M., Steder, M., Stottler, Z., Strube, J. F., Stypula, J., Sugihara, S., Sugiyama, A., Sumihama, M., Sumisawa, K., Sumiyoshi, T., Sutcliffe, W., Suzuki, K., Suzuki, S., Suzuki, S. Y., Suzuki, Z., Takeichi, H., Takizawa, M., Tamponi, U., Tanaka, M., Tanaka, S., Tanida, K., Taniguchi, N., Tao, Y., Taylor, G. N., Tenchini, F., Teramoto, Y., Tikhomirov, I., Trabelsi, K., Tsuboyama, T., Uchida, M., Uchida, T., Ueda, I., Uehara, S., Uglov, T., Unno, Y., Uno, S., Ushiroda, Y., Usov, Y., Vahsen, S. E., Van Tonder, R., Van Hulse, C., Vanhoefer, P., Varner, G., Varvell, K. E., Vervink, K., Vinokurova, A., Vorobyev, V., Vossen, A., Wagner, M. N., Wang, B., Wang, C. H., Wang, M.-Z., Wang, P., Wang, X. L., Watanabe, M., Watanabe, Y., Watanuki, S., Wedd, R., Wehle, S., Widmann, E., Wiechczynski, J., Williams, K. M., Won, E., Yabsley, B. D., Yamada, S., Yamamoto, H., Yamashita, Y., Yang, S. B., Yashchenko, S., Ye, H., Yelton, J., Yin, J. H., Yook, Y., Yuan, C. Z., Yusa, Y., Zakharov, S., Zhang, C. C., Zhang, L. M., Zhang, Z. P., Zhao, L., Zhilich, V., Zhukova, V., Zhulanov, V., Zivko, T., Zupanc, A., Zwahlen, N., and Collaboration, Belle
Subjects: data analysis method, Upsilon(10570): electroproduction, B: pair production, Heavy Quark Effective Theory, BELLE, electron positron: colliding beams, electron positron: annihilation, electroweak interaction: correction, KEK-B, statistical analysis, CKM matrix, form factor: parametrization, decay: form factor, anti-B0: semileptonic decay, +D*%282010%29+lepton+antineutrino%22">anti-B0 --> D*(2010) lepton antineutrino, experimental results
Abstract: Physical review / D D D100(5), 052007 (2019). doi:10.1103/PhysRevD.100.052007, We present a new measurement of the Cabibbo-Kobayashi-Maskawa matrix element |Vcb| from B0→D*-ℓ+νℓ decays, reconstructed with the full Belle data set of 711 fb−1 integrated luminosity. Two form factor parametrizations, originally conceived by the Caprini-Lellouch-Neubert (CLN) and the Boyd, Grinstein and Lebed (BGL) groups, are used to extract the product F(1)ηEW|Vcb| and the decay form factors, where F(1) is the normalization factor and ηEW is a small electroweak correction. In the CLN parametrization we find F(1)ηEW|Vcb|=(35.06±0.15±0.56)×10-3, ρ2=1.106±0.031±0.007, R1(1)=1.229±0.028±0.009, R2(1)=0.852±0.021±0.006. For the BGL parametrization we obtain F(1)ηEW|Vcb|=(34.93±0.23±0.59)×10-3, which is consistent with the world average when correcting for F(1)ηEW. The branching fraction of B0→D*-ℓ+νℓ is measured to be B(B0→D*-ℓ+νℓ)=(4.90±0.02±0.16)%. We also present a new test of lepton flavor universality violation in semileptonic B decays, B(B0→D*-e+ν)B(B0→D*-μ+ν)=1.01±0.01±0.03. The errors quoted correspond to the statistical and systematic uncertainties, respectively. This is the most precise measurement of F(1)ηEW|Vcb| and form factors to date and the first experimental study of the BGL form factor parametrization in an experimental measurement., Published by American Physical Society, Melville, NY
Published: 2019
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21. First Measurements of Absolute Branching Fractions of the $\Xi_c^0$ Baryon at Belle

Author: Li, Y.B., Shen, C.P., Yuan, C.Z., Adachi, I., Aihara, H., Al Said, S., Asner, D.M., Aushev, T., Ayad, R., Badhrees, I., Ban, Y., Bansal, V., Beleño, C., Berger, M., Bhardwaj, V., Bhuyan, B., Bilka, T., Biswal, J., Bondar, A., Bozek, A., Bračko, M., Cao, L., Červenkov, D., Chen, A., Cheon, B.G., Chilikin, K., Cho, K., Choi, S.-K., Choi, Y., Cinabro, D., Cunliffe, S., Di Carlo, S., Doležal, Z., Dong, T.V., Drásal, Z., Eidelman, S., Fast, J.E., Fulsom, B.G., Garg, R., Gaur, V., Gabyshev, N., Garmash, A., Giri, A., Goldenzweig, P., Greenwald, D., Grube, B., Hayasaka, K., Hayashii, H., Hsu, C.-L., Iijima, T., Inami, K., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Jacobs, W.W., Jia, S., Jin, Y., Joffe, D., Joo, K.K., Karyan, G., Kawasaki, T., Kichimi, H., Kim, D.Y., Kim, H.J., Kim, J.B., Kim, K.T., Kim, S.H., Kinoshita, K., Kodyš, P., Korpar, S., Kotchetkov, D., Križan, P., Kroeger, R., Krokovny, P., Kumita, T., Kuzmin, A., Kwon, Y.-J., Lee, J.Y., Lee, S.C., Li, L.K., Li Gioi, L., Libby, J., Liventsev, D., Lubej, M., MacNaughton, J., Masuda, M., Matsuda, T., Merola, M., Miyabayashi, K., Miyata, H., Mizuk, R., Mohanty, G.B., Mussa, R., Nakano, E., Nakao, M., Nath, K.J., Nayak, M., Niiyama, M., Nishida, S., Ono, H., Onuki, Y., Pakhlov, P., Pakhlova, G., Pal, B., Pardi, S., Park, S.-H., Paul, S., Pedlar, T.K., Pestotnik, R., Piilonen, L.E., Popov, V., Prencipe, E., Russo, G., Sakai, Y., Salehi, M., Sandilya, S., Santelj, L., Sanuki, T., Savinov, V., Schneider, O., Schnell, G., Schueler, J., Schwanda, C., Schwartz, A.J., Seino, Y., Senyo, K., Sevior, M.E., Shibata, T.-A., Shiu, J.-G., Shwartz, B., Solovieva, E., Starič, M., Sumihama, M., Sumiyoshi, T., Sutcliffe, W., Takizawa, M., Tanida, K., Tao, Y., Tenchini, F., Trabelsi, K., Uchida, M., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Van Tonder, R., Varner, G., Wang, B., Wang, C.H., Wang, M.-Z., Wang, P., Wang, X.L., Won, E., Yang, S.B., Ye, H., Yelton, J., Yin, J.H., Yusa, Y., Zhang, Z.P., Zhilich, V., Zhukova, V., Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Belle, and Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11)
Subjects: S041:Desig=466, S041:Desig=721, Upsilon(10570): electroproduction, S041:Desig=722, BELLE, electron positron: annihilation, Xi/c0: hadronic decay, S048:Desig=1, KEK-B, S048:Desig=10, S048:Desig=12, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], S041:Desig=465, +Lambda+K-+pi%2B%22">Xi/c0 --> Lambda K- pi+, B: pair production, +Xi-+pi%2B%22">Xi/c0 --> Xi- pi+, branching ratio: ratio: measured, B-: branching ratio: measured, electron positron: colliding beams, B-: hadronic decay, +Antilambda%2Fc%2B+Xi%2Fc0%22">B- --> Antilambda/c+ Xi/c0, +p+2K-+pi%2B%22">Xi/c0 --> p 2K- pi+, [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph], Elementary Particles and Fields, missing-mass, experimental results
Abstract: International audience; We present the first measurements of absolute branching fractions of Ξc0 decays into Ξ-π+, ΛK-π+, and pK-K-π+ final states. The measurements are made using a dataset comprising (772±11)×106 BB¯ pairs collected at the ϒ(4S) resonance with the Belle detector at the KEKB e+e- collider. We first measure the absolute branching fraction for B-→Λ¯c-Ξc0 using a missing-mass technique; the result is B(B-→Λ¯c-Ξc0)=(9.51±2.10±0.88)×10-4. We subsequently measure the product branching fractions B(B-→Λ¯c-Ξc0)B(Ξc0→Ξ-π+), B(B-→Λ¯c-Ξc0)B(Ξc0→ΛK-π+), and B(B-→Λ¯c-Ξc0)B(Ξc0→pK-K-π+) with improved precision. Dividing these product branching fractions by the result for B-→Λ¯c-Ξc0 yields the following branching fractions: B(Ξc0→Ξ-π+)=(1.80±0.50±0.14)%, B(Ξc0→ΛK-π+)=(1.17±0.37±0.09)%, and B(Ξc0→pK-K-π+)=(0.58±0.23±0.05)%. For the above branching fractions, the first uncertainties are statistical and the second are systematic. Our result for B(Ξc0→Ξ-π+) can be combined with Ξc0 branching fractions measured relative to Ξc0→Ξ-π+ to yield other absolute Ξc0 branching fractions.
Published: 2019

22. Observation of a new structure near 10.75 GeV in the energy dependence of the $e^+e^-\to\Upsilon(nS)\pi^+\pi^-$ ($n=1,2,3$) cross sections

Author: Abdesselam, A., Adachi, I., Aulchenko, V., Grosse Perdekamp, M., Grygier, J., Grzymkowska, O., Guan, Y., Guido, E., Guo, H., Haba, J., Hamer, P., Hara, K., Hara, T., Aushev, T., Hartbrich, O., Hasegawa, Y., Hasenbusch, J., Hayasaka, K., Hayashii, H., He, X. H., Heck, M., Hedges, M. T., Heffernan, D., Heider, M., Ayad, R., Heller, A., Higuchi, T., Hirose, S., Horiguchi, T., Hoshi, Y., Hoshina, K., Hou, W.-S., Hsiung, Y. B., Hsu, C.-L., Huang, K., Aziz, T., Huschle, M., Igarashi, Y., Iijima, T., Imamura, M., Inami, K., Inguglia, G., Ishikawa, A., Itagaki, K., Itoh, R., Iwasaki, M., Babu, V., Iwasaki, Y., Iwata, S., Jacobs, W. W., Jaegle, I., Jeon, H. B., Jia, S., Jin, Y., Joffe, D., Jones, M., Joo, C. W., Badhrees, I., Joo, K. K., Julius, T., Kahn, J., Kakuno, H., Kaliyar, A. B., Kang, J. H., Kang, K. H., Kapusta, P., Karyan, G., Kataoka, S. U., Bahinipati, S., Kato, E., Kato, Y., Katrenko, P., Kawai, H., Kawasaki, T., Keck, T., Kichimi, H., Kiesling, C., Kim, B. H., Kim, C. H., Bakich, A. M., Kim, D. Y., Kim, H. J., Kim, H.-J., Kim, J. B., Kim, K. T., Kim, S. H., Kim, S. K., Kim, Y. J., Kimmel, T., Kindo, H., Ban, Y., Kinoshita, K., Kleinwort, C., Klucar, J., Kobayashi, N., Kodyš, P., Koga, Y., Konno, T., Korpar, S., Kotchetkov, D., Kouzes, R. T., Bansal, V., Križan, P., Kroeger, R., Krohn, J.-F., Krokovny, P., Kronenbitter, B., Kuhr, T., Kulasiri, R., Kumar, R., Kumita, T., Kurihara, E., Adamczyk, K., Barberio, E., Kuroki, Y., Kuzmin, A., Kvasnička, P., Kwon, Y.-J., Lai, Y.-T., Lalwani, K., Lange, J. S., Lee, I. S., Lee, J. K., Lee, J. Y., Barrett, M., Lee, S. C., Leitgab, M., Leitner, R., Levit, D., Lewis, P., Li, C. H., Li, H., Li, L. K., Li, Y., Li, Y. B., Bartel, W., Li Gioi, L., Libby, J., Lieret, K., Limosani, A., Liptak, Z., Liu, C., Liu, Y., Liventsev, D., Loos, A., Louvot, R., Behera, P., Lu, P.-C., Lubej, M., Luo, T., MacNaughton, J., Masuda, M., Matsuda, T., Matvienko, D., McNeil, J. T., Merola, M., Metzner, F., Beleño, C., Mikami, Y., Miyabayashi, K., Miyachi, Y., Miyake, H., Miyata, H., Miyazaki, Y., Mizuk, R., Mohanty, G. B., Mohanty, S., Moon, H. K., Belous, K., Moon, T. J., Mori, T., Morii, T., Moser, H.-G., Mrvar, M., Müller, T., Muramatsu, N., Mussa, R., Nagasaka, Y., Nakahama, Y., Bennett, J., Nakamura, I., Nakamura, K. R., Nakano, E., Nakano, H., Nakano, T., Nakao, M., Nakayama, H., Nakazawa, H., Nanut, T., Nath, K. J., Berger, M., Natkaniec, Z., Nayak, M., Neichi, K., Ng, C., Niebuhr, C., Niiyama, M., Nisar, N. K., Nishida, S., Nishimura, K., Nitoh, O., Bernlochner, F., Ogawa, A., Ogawa, K., Ogawa, S., Ohshima, T., Okuno, S., Olsen, S. L., Ono, H., Ono, Y., Onuki, Y., Ostrowicz, W., Besson, D., Oswald, C., Ozaki, H., Pakhlov, P., Pakhlova, G., Pal, B., Panzenböck, E., Pardi, S., Park, C.-S., Park, C. W., Park, H., Ahn, J. K., Bhardwaj, V., Park, K. S., Park, S.-H., Patra, S., Paul, S., Pavelkin, I., Pedlar, T. K., Peng, T., Pesántez, L., Pestotnik, R., Peters, M., Bhuyan, B., Piilonen, L. E., Popov, V., Prasanth, K., Prencipe, E., Prim, M., Prothmann, K., Purohit, M. V., Rabusov, A., Rauch, J., Reisert, B., Bilka, T., Resmi, P. K., Ribežl, E., Ritter, M., Rorie, J., Rostomyan, A., Rozanska, M., Rummel, S., Russo, G., Sahoo, D., Sahoo, H., Biswal, J., Saito, T., Sakai, Y., Salehi, M., Sandilya, S., Santel, D., Santelj, L., Sanuki, T., Sasaki, J., Sasao, N., Sato, Y., Bloomfield, T., Savinov, V., Schlüter, T., Schneider, O., Schnell, G., Schönmeier, P., Schram, M., Schueler, J., Schwanda, C., Schwartz, A. J., Schwenker, B., Bobrov, A., Seidl, R., Seino, Y., Semmler, D., Senyo, K., Seon, O., Seong, I. S., Sevior, M. E., Shang, L., Shapkin, M., Shebalin, V., Bondar, A., Shen, C. P., Shibata, T.-A., Shibuya, H., Shinomiya, S., Shiu, J.-G., Shwartz, B., Sibidanov, A., Simon, F., Singh, J. B., Sinha, R., Bonvicini, G., Smith, K., Sokolov, A., Soloviev, Y., Solovieva, E., Stanič, S., Starič, M., Steder, M., Stottler, Z., Strube, J. F., Stypula, J., Bozek, A., Sugihara, S., Sugiyama, A., Sumihama, M., Sumisawa, K., Sumiyoshi, T., Sutcliffe, W., Suzuki, K., Suzuki, S., Suzuki, S. Y., Bračko, M., Suzuki, Z., Takeichi, H., Takizawa, M., Tamponi, U., Tanaka, M., Tanaka, S., Tanida, K., Taniguchi, N., Tao, Y., Taylor, G. N., Aihara, H., Braun, N., Tenchini, F., Teramoto, Y., Trabelsi, K., Tsuboyama, T., Uchida, M., Ueda, I., Uehara, S., Uglov, T., Unno, Y., Uno, S., Breibeck, F., Urquijo, P., Ushiroda, Y., Usov, Y., Vahsen, S. E., Van Hulse, C., Van Tonder, R., Vanhoefer, P., Varner, G., Varvell, K. E., Vervink, K., Browder, T. E., Vinokurova, A., Vorobyev, V., Vossen, A., Wagner, M. N., Waheed, E., Wang, B., Wang, C. H., Wang, M.-Z., Wang, P., Wang, X. L., Campajola, M., Watanabe, M., Watanabe, Y., Watanuki, S., Wedd, R., Wehle, S., Widmann, E., Wiechczynski, J., Williams, K. M., Won, E., Yabsley, B. D., Cao, L., Yamada, S., Yamamoto, H., Yamashita, Y., Yang, S. B., Yashchenko, S., Ye, H., Yelton, J., Yin, J. H., Yook, Y., Yuan, C. Z., Caria, G., Yusa, Y., Zakharov, S., Zhang, C. C., Zhang, J., Zhang, L. M., Zhang, Z. P., Zhao, L., Zhilich, V., Zhukova, V., Zhulanov, V., Červenkov, D., Zivko, T., Zupanc, A., Zwahlen, N., Belle Collaboration, Chang, M.-C., Chang, P., Chao, Y., Al Said, S., Cheaib, R., Chekelian, V., Chen, A., Chen, K.-F., Cheon, B. G., Chilikin, K., Chistov, R., Cho, H. E., Cho, K., Chobanova, V., Arinstein, K., Choi, S.-K., Choi, Y., Choudhury, S., Cinabro, D., Crnkovic, J., Cunliffe, S., Czank, T., Danilov, M., Dash, N., De Nardo, G., Arita, Y., Di Carlo, S., Di Capua, F., Dingfelder, J., Doležal, Z., Dong, T. V., Dossett, D., Drásal, Z., Drutskoy, A., Dubey, S., Dutta, D., Asner, D. M., Eidelman, S., Epifanov, D., Fast, J. E., Feindt, M., Ferber, T., Frey, A., Frost, O., Fulsom, B. G., Garg, R., Gaur, V., Atmacan, H., Gabyshev, N., Garmash, A., Gelb, M., Gemmler, J., Getzkow, D., Giordano, F., Giri, A., Goldenzweig, P., Golob, B., Greenwald, D., Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Belle, Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (IJCLab), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Belle, Collaboration, Campajola, M., De Nardo, G., Di Capua, F., Merola, M., Pardi, S., Russo, Guido, and Et, Al.
Subjects: Systematic error, mass: measured [resonance], Upsilon(9460): electroproduction, Torino 2019/05/13 [talk], measured [channel cross section], +Upsilon%2810355%29+pi%2B+pi%22">electron positron --> Upsilon(10355) pi+ pi, Quarkonium, M092M, Upsilon(10355): electroproduction, annihilation [electron positron], 01 natural sciences, resonance: mass: measured, +Upsilon%289460%29+pi%2B+pi%22">electron positron --> Upsilon(9460) pi+ pi, High Energy Physics - Experiment, law.invention, mass: width, M092W, law, Upsilon(10020): electroproduction, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], M092:Desig=18, M092:Desig=17, ComputingMilieux_MISCELLANEOUS, Spectroscopy, electroproduction [Upsilon(10020)], M092:Desig=19, Physics, e+-e- Experiments, statistical [error], electron positron: colliding beams, Breit-Wigner, ddc, electroproduction [Upsilon(10355)], error: statistical, +Upsilon%2810020%29+pi%2B+pi%22">electron positron --> Upsilon(10020) pi+ pi, colliding beams [electron positron], electroproduction [Upsilon(9460)], M093:Desig=1, M093:Desig=7, channel cross section: measured, M093:Desig=5, M093:Desig=6, e+-e- Experiment, Nuclear and High Energy Physics, Particle physics, radiative-corrections, Structure (category theory), BELLE, electron positron: annihilation, width [mass], KEKB, KEK-B, e plus -e- experiments, 0103 physical sciences, Pi, ddc:530, lcsh:Nuclear and particle physics. Atomic energy. Radioactivity, structure, 010306 general physics, Collider, M243M, 010308 nuclear & particles physics, M093M, M243W, M092:Desig=1, cross section: energy dependence, talk: Torino 2019/05/13, M093W, lcsh:QC770-798, energy dependence [cross section], M243:Desig=2, M243:Desig=3, Energy (signal processing), M243:Desig=4, Bar (unit), M243:Desig=5, experimental results
Abstract: 13th International Workshop on Heavy Quarkonium (QWG 2019), QWG 2019, Torino, Italy, 13 May 2019 - 17 May 2019; Journal of high energy physics 2019(10), 220 (2019). doi:10.1007/JHEP10(2019)220, We report a new measurement of the e+e−→ ϒ(nS)π+π− (n = 1, 2, 3) cross sections at energies from 10.52 to 11.02 GeV using data collected with the Belle detector at the KEKB asymmetric-energy e+e− collider. We observe a new structure in the energy dependence of the cross sections; if described by a Breit-Wigner function its mass and width are found to be M=(10752.7±5.9+0.7−1.1)MeV/c2 and Γ=(35.5+17.6+3.9−11.3−3.3)MeV, where the first error is statistical and the second is systematic. The global significance of the new structure including systematic uncertainty is 5.2 standard deviations. We also find evidence for the e+e−→ ϒ (1S)π+π− process at the energy 10.52 GeV, which is below the BB¯¯¯¯ threshold., Published by Springer Berlin Heidelberg, Heidelberg
Published: 2019

23. Search for the $B \to Y(4260) K, ~Y(4260) \to J/\psi \pi^+\pi^-$ decays

Author: Garg, R., Bhardwaj, V., Ayad, R., Mussa, R., Nakao, M., Nath, K. J., Nayak, M., Nishida, S., Nishimura, K., Ogawa, S., Ono, H., Onuki, Y., Pakhlov, P., Babu, V., Pakhlova, G., Pal, B., Pardi, S., Patra, S., Paul, S., Pedlar, T. K., Pestotnik, R., Piilonen, L. E., Popov, V., Prasanth, K., Bahinipati, S., Prencipe, E., Resmi, P. K., Rostomyan, A., Russo, G., Sakai, Y., Salehi, M., Sandilya, S., Sanuki, T., Schneider, O., Schnell, G., Bansal, V., Schueler, J., Schwanda, C., Seino, Y., Senyo, K., Sevior, M. E., Shebalin, V., Shen, C. P., Shibata, T.-A., Shiu, J.-G., Sokolov, A., Beleño, C., Solovieva, E., Starič, M., Stottler, Z. S., Sumihama, M., Sumiyoshi, T., Takizawa, M., Tanida, K., Tenchini, F., Trabelsi, K., Uchida, M., Bilka, T., Uglov, T., Unno, Y., Uno, S., Usov, Y., Van Tonder, R., Varner, G., Varvell, K. E., Waheed, E., Wang, B., Wang, C. H., Biswal, J., Wang, M.-Z., Wang, P., Wang, X. L., Watanabe, M., Won, E., Yang, S. B., Ye, H., Yelton, J., Yin, J. H., Yuan, C. Z., Bobrov, A., Zhang, Z. P., Zhilich, V., Zhukova, V., Zhulanov, V., Belle Collaboration, Bozek, A., Bračko, M., Singh, J. B., Cao, L., Červenkov, D., Chen, A., Cheon, B. G., Chilikin, K., Cho, H. E., Cho, K., Choi, S.-K., Choi, Y., Cinabro, D., Adachi, I., Cunliffe, S., Dash, N., Di Carlo, S., Doležal, Z., Dong, T. V., Drásal, Z., Eidelman, S., Fast, J. E., Fulsom, B. G., Gaur, V., Ahn, J. K., Gabyshev, N., Garmash, A., Giri, A., Golob, B., Grzymkowska, O., Haba, J., Hayasaka, K., Hayashii, H., Hou, W.-S., Hsu, C.-L., Aihara, H., Inami, K., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Jacobs, W. W., Jeon, H. B., Jia, S., Jin, Y., Al Said, S., Joffe, D., Joo, K. K., Julius, T., Kaliyar, A. B., Kawasaki, T., Kichimi, H., Kim, D. Y., Kim, J. B., Kim, S. H., Kinoshita, K., Asner, D. M., Kodyš, P., Korpar, S., Kotchetkov, D., Križan, P., Kroeger, R., Krokovny, P., Kuhr, T., Kumar, R., Kwon, Y.-J., Lange, J. S., Aulchenko, V., Lee, J. K., Lee, S. C., Li, C. H., Li, L. K., Li, Y. B., Li Gioi, L., Libby, J., Liventsev, D., Lu, P.-C., Luo, T., Aushev, T., MacNaughton, J., Masuda, M., Matsuda, T., Matvienko, D., Merola, M., Miyabayashi, K., Miyata, H., Mizuk, R., Mohanty, G. B., Mori, T., Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Belle, and Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11)
Subjects: J/psi(3100), Upsilon(10570): electroproduction, branching ratio [Y(4260)], +J%2Fpsi%283100%29+pi%2B+pi%22">Y(4260) --> J/psi(3100) pi+ pi, BELLE, B0: branching ratio, annihilation [electron positron], hadronic decay [Y(4260)], electron positron: annihilation, High Energy Physics - Experiment, KEK-B, branching ratio [B0], [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], ddc:530, S042:Desig=590, hadronic decay [B0], B+: branching ratio, S041:Desig=421, +Y%284260%29+K0%22">B0 --> Y(4260) K0, B0: hadronic decay, Y(4260): hadronic decay, background, Y(4260): branching ratio, measured [branching ratio], electron positron: colliding beams, (J/psi(3100) pi+ pi-) [mass spectrum], branching ratio [B+], branching ratio: measured, pair production [pi], mass spectrum: (J/psi(3100) pi+ pi-), B+: hadronic decay, electroproduction [Upsilon(10570)], colliding beams [electron positron], hadronic decay [B+], +Y%284260%29+K%2B%22">B+ --> Y(4260) K+, pi: pair production, experimental results
Abstract: We report the results of a search for the $B \to Y(4260) K, ~Y(4260)\to J/\psi\pi^+\pi^-$ decays. This study is based on a data sample corresponding to an integrated luminosity of 711~fb$^{-1}$, collected at the $\Upsilon(4S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^+ e^-$ collider. We investigate the $J/\psi\pi^+\pi^-$ invariant mass distribution in the range 4.0 to 4.6 GeV/$c^2$ using both $B^+ \to J/\psi \pi^+\pi^- K^+$ and $B^0 \to J/\psi \pi^+\pi^- K^0_S$ decays. We find excesses of events above the background levels, with a significances of 2.1 and 0.9 standard deviations for charged and neutral $B \to Y(4260) K$ decays, respectively, taking into account the systematic uncertainties. These correspond to upper limits on the product of branching fractions, ${\cal B}(B^+ \to Y(4260) K^+) \times {\cal B}(Y(4260) \to J/\psi \pi^+ \pi^-), Comment: 8 pages, 3 figures, 3 tables
Published: 2019
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24. Measurements of isospin asymmetry and difference of direct $CP$ asymmetries in inclusive $B \to X_s \gamma$ decays

Author: Watanuki, S., Ishikawa, A., Bakich, A. M., Mohanty, G. B., Mori, T., Nakao, M., Nanut, T., Nath, K. J., Niiyama, M., Nishida, S., Nishimura, K., Ogawa, K., Ogawa, S., Bansal, V., Okuno, S., Ono, H., Ostrowicz, W., Pakhlov, P., Pakhlova, G., Pal, B., Park, H., Paul, S., Pedlar, T. K., Pestotnik, R., Behera, P., Piilonen, L. E., Prencipe, E., Ritter, M., Rostomyan, A., Russo, G., Sakai, Y., Sandilya, S., Santelj, L., Savinov, V., Schneider, O., Beleño, C., Schnell, G., Schueler, J., Schwanda, C., Schwartz, A. J., Seino, Y., Senyo, K., Seon, O., Shebalin, V., Shibata, T.-A., Shiu, J.-G., Berger, M., Shwartz, B., Sokolov, A., Solovieva, E., Stanič, S., Starič, M., Sumiyoshi, T., Sutcliffe, W., Takizawa, M., Tanida, K., Taniguchi, N., Bhardwaj, V., Tenchini, F., Uchida, M., Uglov, T., Unno, Y., Uno, S., Vahsen, S. E., Van Hulse, C., Van Tonder, R., Varner, G., Varvell, K. E., Bhuyan, B., Vossen, A., Wang, B., Wang, C. H., Wang, M.-Z., Wang, P., Watanabe, M., Widmann, E., Won, E., Ye, H., Yin, J. H., Bilka, T., Yusa, Y., Zakharov, S., Zhang, Z. P., Zhilich, V., Zhukova, V., Zhulanov, V., Zupanc, A., Belle Collaboration, Biswal, J., Bobrov, A., Adachi, I., Bonvicini, G., Bozek, A., Brač, M., Browder, T. E., Cao, L., Červenkov, D., Chang, P., Cheon, B. G., Chilikin, K., Cho, K., Aihara, H., Choi, Y., Choudhury, S., Cinabro, D., Cunliffe, S., Di Carlo, S., Dingfelder, J., Dong, T. V., Eidelman, S., Epifanov, D., Fast, J. E., Al Said, S., Ferber, T., Frey, A., Fulsom, B. G., Gaur, V., Gabyshev, N., Garmash, A., Gelb, M., Giri, A., Goldenzweig, P., Guan, Y., Asner, D. M., Guido, E., Haba, J., Hayasaka, K., Hayashii, H., Hou, W.-S., Iijima, T., Inami, K., Inguglia, G., Itoh, R., Iwasaki, M., Aushev, T., Iwasaki, Y., Jacobs, W. W., Jaegle, I., Jeon, H. B., Jia, S., Jin, Y., Joo, K. K., Julius, T., Karyan, G., Kawasaki, T., Ayad, R., Kiesling, C., Kim, D. Y., Kim, J. B., Kim, S. H., Kinoshita, K., Kodyš, P., Korpar, S., Kotchetkov, D., Križ, P., Kroeger, R., Babu, V., Krokovny, P., Kuhr, T., Kumar, R., Kuzmin, A., Kwon, Y.-J., Lee, I. S., Lee, S. C., Li, L. K., Li, Y. B., Li Gioi, L., Badhrees, I., Libby, J., Liventsev, D., Lubej, M., Luo, T., Masuda, M., Matsuda, T., Merola, M., Miyabayashi, K., Miyata, H., Mizuk, R., Laboratoire de l'Accélérateur Linéaire (LAL), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Belle, and Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)
Subjects: Upsilon(10570): electroproduction, isospin: asymmetry, BELLE, B: radiative decay, annihilation [electron positron], S042A12, electron positron: annihilation, S049A06, CP [asymmetry], 10.58 GeV-cms, violation [CP], High Energy Physics - Experiment, KEK-B, CP: violation, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Particle Physics Experiments, ddc:530, photon: resolved, radiative decay [B], Seoul 2018/07/04 [talk], B: pair production, talk: Seoul 2018/07/04, resolved [photon], electron positron: colliding beams, S049CP2, S041A11, pair production [B], asymmetry: CP, High Energy Physics - Phenomenology, Upsilon(10570), [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph], electroproduction [Upsilon(10570)], colliding beams [electron positron], S049IA1, branching ratio, asymmetry [isospin], S049DA1, experimental results
Abstract: We report measurements of isospin asymmetry $\Delta_{0-}$ and difference of direct $CP$ asymmetries $\Delta A_{CP}$ between charged and neutral $B \to X_s \gamma$ decays. This analysis is based on the data sample containing $772 \times 10^6 B\bar{B}$ pairs that was collected with the Belle detector at the KEKB energy-asymmetric $e^+ e^-$ collider. Using a sum-of-exclusive technique with invariant $X_s$ mass up to 2.8~GeV/$c^2$, we obtain $\Delta_{0-} = \bigl[-0.48 \pm 1.49 {\rm (stat.)} \pm 0.97 {\rm (syst.)} \pm 1.15 {(f_{+-}/f_{00})}\bigr]$\% and $\Delta A_{CP} = \bigl[+3.69 \pm 2.65 {\rm (stat.)} \pm 0.76{\rm (syst.)}\bigr]$\%, where the last uncertainty for $\Delta_{0-}$ is due to the uncertainty on the production ratio of $B^+B^-$ to $B^0\bar{B}^0$ in $\Upsilon(4S)$ decays. The measured value of $\Delta_{0-}$ is consistent with zero, allowing us to constrain the resolved photon contribution in the $B \to X_s \gamma$, and improve the branching fraction prediction. The result for $\Delta A_{CP}$ is consistent with the prediction of the SM. We also measure the direct $CP$ asymmetries for charged and neutral $B \to X_s \gamma$ decays. All the measurements are the most precise to date., Comment: 20 pages, 10 figures, submitted to PRD
Published: 2019
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25. Transverse momentum dependent production cross sections of charged pions, kaons and protons produced in inclusive $e^ + e ^− $ annihilation at $ \sqrt= 10.58 GeV$

Author: Seidl, R., Adachi, I., Behera, P., Matvienko, D., Merola, M., Miyabayashi, K., Mizuk, R., Mohanty, S., Mori, T., Mussa, R., Nakano, E., Nakano, T., Nakao, M., Beleño, C., Nath, K. J., Natkaniec, Z., Nayak, M., Nishida, S., Nishimura, K., Ogawa, S., Ono, H., Onuki, Y., Pakhlov, P., Pakhlova, G., Berger, M., Pal, B., Pardi, S., Park, S.-H., Patra, S., Paul, S., Pedlar, T. K., Pestotnik, R., Piilonen, L. E., Popov, V., Prencipe, E., Bhardwaj, V., Purohit, M. V., Rostomyan, A., Russo, G., Sakai, Y., Salehi, M., Sandilya, S., Santelj, L., Sanuki, T., Schneider, O., Schnell, G., Bilka, T., Schueler, J., Schwanda, C., Seino, Y., Senyo, K., Sevior, M. E., Shebalin, V., Shen, C. P., Shibata, T.-A., Shiu, J.-G., Shwartz, B., Biswal, J., Sokolov, A., Solovieva, E., Starič, M., Stottler, Z. S., Sumihama, M., Sumiyoshi, T., Sutcliffe, W., Takizawa, M., Tamponi, U., Tanida, K., Bobrov, A., Tao, Y., Tenchini, F., Uchida, M., Uehara, S., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Usov, Y., Van Tonder, R., Bozek, A., Varner, G., Vossen, A., Waheed, E., Wang, B., Wang, C. H., Wang, M.-Z., Wang, P., Wang, X. L., Watanabe, M., Won, E., Bračko, M., Yang, S. B., Ye, H., Yelton, J., Yin, J. H., Yuan, C. Z., Zhang, Z. P., Zhilich, V., Zhukova, V., Belle Collaboration, Cao, L., Ahn, J. K., Červenkov, D., Chen, A., Cheon, B. G., Chilikin, K., Cho, H. E., Cho, K., Choi, Y., Choudhury, S., Cinabro, D., Cunliffe, S., Aihara, H., Di Carlo, S., Doležal, Z., Dong, T. V., Drásal, Z., Eidelman, S., Epifanov, D., Fast, J. E., Ferber, T., Fulsom, B. G., Garg, R., Asner, D. M., Gaur, V., Gabyshev, N., Garmash, A., Gelb, M., Giri, A., Goldenzweig, P., Golob, B., Grzymkowska, O., Hayasaka, K., Hayashii, H., Aulchenko, V., Hou, W.-S., Iijima, T., Inami, K., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Jacobs, W. W., Jia, S., Jin, Y., Aushev, T., Joffe, D., Joo, K. K., Julius, T., Kaliyar, A. B., Kawasaki, T., Kichimi, H., Kiesling, C., Kim, C. H., Kim, D. Y., Kim, H. J., Ayad, R., Kim, J. B., Kim, S. H., Kodyš, P., Korpar, S., Kotchetkov, D., Križan, P., Kroeger, R., Krokovny, P., Kuhr, T., Kulasiri, R., Bakich, A. M., Kuzmin, A., Kwon, Y.-J., Lalwani, K., Lange, J. S., Lee, I. S., Lee, J. K., Lee, J. Y., Lee, S. C., Levit, D., Li, C. H., Bansal, V., Li, L. K., Li, Y. B., Li Gioi, L., Libby, J., Liventsev, D., Lubej, M., Luo, T., MacNaughton, J., Masuda, M., Matsuda, T., Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Belle, and Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11)
Subjects: Upsilon(10570): electroproduction, transverse momentum: low, measured [channel cross section], Nuclear Theory, FOS: Physical sciences, low [transverse momentum], BELLE, annihilation [electron positron], electron positron: annihilation, event shape analysis, transverse momentum dependence, fragmentation function, High Energy Physics - Experiment, energy dependence, High Energy Physics - Experiment (hep-ex), KEK-B, fragmentation, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Particle Physics Experiments, thrust, ddc:530, Nuclear Experiment, electron positron: colliding beams, fractional, electroproduction [Upsilon(10570)], colliding beams [electron positron], High Energy Physics::Experiment, channel cross section: measured, inclusive production, experimental results
Abstract: We report measurements of the production cross sections of charged pions, kaons, and protons as a function of fractional energy, the event-shape variable called thrust, and the transverse momentum with respect to the thrust axis. These measurements access the transverse momenta created in the fragmentation process, which are of critical importance to the understanding of any transverse momentum dependent distribution and fragmentation functions. The low transverse momentum part of the cross sections can be well described by Gaussians in transverse momentum as is generally assumed but the fractional-energy dependence is non-trivial and different hadron types have varying Gaussian widths. The width of these Gaussians decreases with thrust and shows an initially rising, then decreasing fractional-energy dependence. The widths for pions and kaons are comparable within uncertainties, while those for protons are significantly narrower. These single-hadron cross sections and Gaussian widths are obtained from a $558\,{\rm fb}^{-1}$ data sample collected at the $\Upsilon(4S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^+ e^-$ collider., Comment: 17 page, 15 figures, submitted to PRD
Published: 2019
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26. The Physics of the B Factories

Author: Bevan, A. J., Golob, B., Mannel, T. h., Prell, S., Yabsley, B. D., Abe, K., Aihara, H., Anulli, F., Arnaud, N., Aushev, T., Beneke, M., Beringer, J., Bianchi, F., Bigi, I. I., Bona, M., Brambilla, N., Brodzicka, J., Chang, P., Charles, M. J., Cheng, C. H., Cheng, H. Y., Chistov, R., Colangelo, P., Coleman, J. P., Drutskoy, A., Druzhinin, V. P., Eidelman, S., Eigen, G., Eisner, A. M., Faccini, R., Flood, K. T., Gambino, P., Gaz, A., Gradl, W., Hayashii, H., Higuchi, T., Hulsbergen, W. D., Hurth, T., Iijima, T., Itoh, R., Jackson, P. D., Kass, R., Kolomensky, Y. u. G., Kou, E., Krizan, P., Kronfeld, A., Kumano, S., Kwon, Y. J., Latham, T. E., Leith, D. W. G. S., Uth, V. L., Martinez Vidal, F., Meadows, B. T., Mussa, R., Nakao, M., Nishida, S., Ocariz, J., Olsen, S. L., Pakhlov, P., Pakhlova, G., Palano, A., Pich, A., Playfer, S., Poluektov, A., Porter, F. C., Robertson, S. H., Roney, J. M., Roodman, A., Sakai, Y., Schwanda, C., Schwartz, A. J., Seidl, R., Sekula, S. J., Steinhauser, M., Sumisawa, K., Swanson, E. S., Tackmann, F., Trabelsi, K., Uehara, S., Uno, S., van de Water, R., Vasseur, G., Verkerke, W., Waldi, R., Wang, M. Z., Wilson, F. F., Zupan, J., Zupanc, A., Adachi, I., Albert, J., Banerjee, S. w., Bellis, M., Ben Haim, E., Biassoni, P., Cahn, R. N., Cartaro, C., Chauveau, J., Chen, C., Chiang, C. C., Cowan, R., Dalseno, J., Davier, M., Davies, C., Dingfelder, J. C., Echenard, B., Epifanov, D., Fulsom, B. G., Gabareen, A. M., Gary, J. W., Godang, R., Graham, M. T., Hafner, A., Hamilton, B., Hartmann, T., Hayasaka, K., Hearty, C., Iwasaki, Y., Khodjamirian, A., Kusaka, A., Kuzmin, A., Lafferty, G. D., Lazzaro, A., Li, J., Lindemann, D., Long, O., Lusiani, A., Marchiori, G., Martinelli, M., Miyabayashi, K., Mizuk, R., Mohanty, G. B., Muller, D. R., Nakazawa, H., Ongmongkolkul, P., Pacetti, S., Palombo, F., Pedlar, T. K., Piilonen, L. E., Pilloni, A., Poireau, V., Prothmann, K., Pulliam, T., Rama, M., Ratcliff, B. N., Roudeau, P., Schrenk, S., Schroeder, T., Schubert, K. R., Shen, C. P., Shwartz, B., Soffer, A., Solodov, E. P., Somov, A., Staric, M., Stracka, S., Telnov, A. V., Todyshev, K. Y. u., Tsuboyama, T., Uglov, T., Vinokurova, A., Walsh, J. J., Watanabe, Y., Won, E., Wormser, G., Wright, D. H., Ye, S., Zhang, C. C., Abachi, S., Abashian, A., Abe, N., Abe, R., Abe, T., Abrams, G. S., Adam, I., Adamczyk, K., Adametz, A., Adye, T., Agarwal, A., Ahmed, H., Ahmed, M., Ahmed, S., Ahn, B. S., Ahn, H. S., Aitchison, I. J. R., Akai, K., Akar, S., Akatsu, M., Akemoto, M., Akhmetshin, R., Akre, R., Alam, M. S., Albert, J. N., Aleksan, R., Alexander, J. P., Alimonti, G., Allen, M. T., Allison, J., Allmendinger, T., Alsmiller, J. R. G., Altenburg, D., Alwyn, K. E., An, Q., Anderson, J., Andreassen, R., Andreotti, Daniele, Andreotti, Mirco, Andress, J. C., Angelini, C., Anipko, D., Anjomshoaa, A., Anthony, P. L., Antillon, E. A., Antonioli, E., Aoki, K., Arguin, J. F., Arinstein, K., Arisaka, K., Asai, K., Asai, M., Asano, Y., Asgeirsson, D. J., Asner, D. M., Aso, T., Aspinwall, M. L., Aston, D., Atmacan, H., Aubert, B., Aulchenko, V., Ayad, R., Azemoon, T., Aziz, T., Azzolini, V., Azzopardi, D. E., Baak, M. A., Back, J. J., Bagnasco, S., Bahinipati, S., Bailey, D. S., Bailey, S., Bailly, P., Van Bakel, N., Bakich, A. M., Bala, A., Balagura, V., Baldini Ferroli, R., Ban, Y., Banas, E., Band, H. R., Banerjee, S., Baracchini, E., Barate, R., Barberio, E., Barbero, M., Bard, D. J., Barillari, T., Barlow, N. R., Barlow, R. J., Barrett, M., Bartel, W., Bartelt, J., Bartoldus, R., Batignani, G., Battaglia, M., Bauer, J. M., Bay, A., Beaulieu, M., Bechtle, P., Beck, T. W., Becker, J., Becla, J., Bedny, I., Behari, S., Behera, P. K., Behn, E., Behr, L., Beigbeder, C., Beiline, D., Bell, R., Bellini, F., Bellodi, G., Belous, K., Benayoun, M., Benelli, G., Benitez, J. F., Benkebil, M., Berger, N., Bernabeu, J., Bernard, D., Bernet, R., Bernlochner, F. 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Z., Yéche, C. h., Yamada, Y., Yamaga, M., Yamaguchi, A., Yamaguchi, H., Yamaki, T., Yamamoto, H., Yamamoto, N., Yamamoto, R. K., Yamamoto, S., Yamanaka, T., Yamaoka, H., Yamaoka, J., Yamaoka, Y., Yamashita, Y., Yamauchi, M., Yan, D. S., Yan, Y., Yanai, H., Yanaka, S., Yang, H., Yang, R., Yang, S., Yarritu, A. K., Yashchenko, S., Yashima, J., Yasin, Z., Yasu, Y., Ye, S. W., Yeh, P., Yi, J. I., Yi, K., Yi, M., Yin, Z. W., Ying, J., Yocky, G., Yokoyama, K., Yokoyama, M., Yokoyama, T., Yoshida, K., Yoshida, M., Yoshimura, Y., Young, C. C., Yu, C. X., Yu, Z., Yuan, C. Z., Yuan, Y., Yumiceva, F. X., Yusa, Y., Yushkov, A. N., Yuta, H., Zacek, V., Zain, S. B., Zallo, A., Zambito, S., Zander, D., Zang, S. L., Zanin, D., Zaslavsky, B. G., Zeng, Q. L., Zghiche, A., Zhang, B., Zhang, J., Zhang, L., Zhang, L. M., Zhang, S. Q., Zhang, Z. P., Zhao, H. W., Zhao, M., Zhao, Z. G., Zheng, Y., Zheng, Y. H., Zheng, Z. P., Zhilich, V., Zhou, P., Zhu, R. Y., Zhu, Y. S., Zhu, Z. M., Zhulanov, V., Ziegler, T., Ziegler, V., Zioulas, G., Zisman, M., Zito, M., Zürcher, D., Zwahlen, N., Zyukova, O., Živko, T., Žontar, D., Theoretische Physik I, Universität Siegen [Siegen], Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), PRISMA Cluster of Excellence and Institute for Physics (THEP), Johannes Gutenberg - Universität Mainz = Johannes Gutenberg University (JGU), SLAC National Accelerator Laboratory (SLAC), Stanford University, Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Service de Physique des Matériaux et Microstructures (SP2M - UMR 9002), Institut Nanosciences et Cryogénie (INAC), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019])-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Laboratoire Leprince-Ringuet (LLR), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), School of Science, Huzhou Tearchers College, National Institute for Materials Science (NIMS), Laboratoire de Génie Electrique de Grenoble (G2ELab), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS), Tokyo Institute of Technology [Tokyo] (TITECH), Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), European Organization for Nuclear Research (CERN), Istituto Nazionale di Fisica Nucleare, Sezione di Roma 3 (INFN, Sezione di Roma 3), Istituto Nazionale di Fisica Nucleare (INFN), Center for Advanced Radiation Sources [University of Chicago] (CARS), University of Chicago, Département d'Astrophysique, de physique des Particules, de physique Nucléaire et de l'Instrumentation Associée (DAPNIA), Commissariat à l'énergie atomique et aux énergies alternatives (CEA), Laboratori Nazionali di Frascati (LNF), University of California [Riverside] (UC Riverside), University of California (UC), Physics and Electrical Engineering departments, Massachusetts Institute of Technology (MIT), KEK (High energy accelerator research organization), Laboratoire de synthèse organique (DCSO), École polytechnique (X)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), Tohoku University [Sendai], Institut für Physik, University of Basel (Unibas), Institute of High Energy Physics (IHEP), Chinese Academy of Sciences [Changchun Branch] (CAS), BABAR, BELLE, (Astro)-Particles Physics, Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Johannes Gutenberg - Universität Mainz (JGU), Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Pierre et Marie Curie - Paris 6 (UPMC), Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), University of California [Riverside] (UCR), University of California, Bevan, A. 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Robertson, J. Roney, A. Roodman, Y. Sakai, C. Schwanda, A. Schwartz, R. Seidl, S. Sekula, M. Steinhauser, K. Sumisawa, E. Swanson, F. Tackmann, K. Trabelsi, S. Uehara, S. Uno, R. v. de, G. Vasseur, W. Verkerke, R. Waldi, M. Wang, F. Wilson, J. Zupan, A. Zupanc, I. Adachi, J. Albert, S. Banerjee, M. Belli, E. Ben-Haim, P. Biassoni, R. Cahn, C. Cartaro, J. Chauveau, C. Chen, C. Chiang, R. Cowan, J. Dalseno, M. Davier, C. Davie, J. Dingfelder, B. Echenard, D. Epifanov, B. Fulsom, A. Gabareen, J. Gary, R. Godang, M. Graham, A. Hafner, B. Hamilton, T. Hartmann, K. Hayasaka, C. Hearty, Y. Iwasaki, A. Khodjamirian, A. Kusaka, A. Kuzmin, G. Lafferty, A. Lazzaro, J. Li, D. Lindemann, O. Long, A. Lusiani, G. Marchiori, M. Martinelli, K. Miyabayashi, R. Mizuk, G. Mohanty, D. Muller, H. Nakazawa, P. Ongmongkolkul, S. Pacetti, F. Palombo, T. Pedlar, L. Piilonen, A. Pilloni, V. Poireau, K. Prothmann, T. Pulliam, M. Rama, B. Ratcliff, P. Roudeau, S. Schrenk, T. Schroeder, K. Schubert, C. Shen, B. 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Piemontese, M, Pierini, M, Pierson, S, Pioppi, M, Piredda, G, Pivk, M, Plaszczynski, S, Polci, F, Pompili, A, Poropat, P, Posocco, M, Potter, C, Potter, R, Prasad, V, Prebys, E, Prencipe, E, Prendki, J, Prepost, R, Prest, M, Prim, M, Pripstein, M, Prudent, X, Pruvot, S, Puccio, E, Purohit, M, Qi, N, Quinn, H, Raaf, J, Rabberman, R, Raffaelli, F, Ragghianti, G, Rahatlou, S, Rahimi, A, Rahmat, R, Rakitin, A, Randle-Conde, A, Rankin, P, Rashevskaya, I, Ratkovsky, S, Raven, G, Re, V, Reep, M, Regensburger, J, Reidy, J, Reif, R, Reisert, B, Renard, C, Renga, F, Ricciardi, S, Richman, J, Ritchie, J, Ritter, M, Rivetta, C, Rizzo, G, Roat, C, Robbe, P, Roberts, D, Robertson, A, Robutti, E, Rodier, S, Rodriguez, D, Rodriguez, J, Rodriguez, R, Roe, N, Röhrken, M, Roethel, W, Rolquin, J, Romanov, L, Romosan, A, Ronan, M, Rong, G, Ronga, F, Roos, L, Root, N, Rosen, M, Rosenberg, E, Rossi, A, Rostomyan, A, Rotondo, M, Roussot, E, Roy, J, Rozanska, M, Rozen, Y, Rubin, A, Ruddick, W, Ruland, A, 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Senyo, K, Seon, O, Serbo, V, Serednyakov, S, Serfass, B, Serra, M, Serrano, J, Settai, Y, Seuster, R, Sevior, M, Shakhova, K, Shang, L, Shapkin, M, Sharma, V, Shebalin, V, Shelkov, V, Shen, B, Shen, D, Shen, Y, Sherwood, D, Shibata, T, Shibuya, H, Shidara, T, Shimada, K, Shimoyama, M, Shinomiya, S, Shiu, J, Shorthouse, H, Shpilinskaya, L, Sibidanov, A, Sicard, E, Sidorov, A, Sidorov, V, Siegle, V, Sigamani, M, Simani, M, Simard, M, Simi, G, Simon, F, Simonetto, F, Sinev, N, Singh, H, Singh, J, Sinha, R, Sitt, S, Skovpen, Y, Sloane, R, Smerkol, P, Smith, A, Smith, D, Smith, J, Smol, A, Snoek, H, Snyder, A, So, R, Sobie, R, Soderstrom, E, Soha, A, Sohn, Y, Sokoloff, M, Sokolov, A, Solagna, P, Solovieva, E, Soni, N, Sonnek, P, Sordini, V, Spaan, B, Spanier, S, Spencer, E, Speziali, V, Spitznagel, M, Spradlin, P, Staengle, H, Stamen, R, Stanek, M, Stanič, S, Stark, J, Steder, M, Steininger, H, Steinke, M, Stelzer, J, Stevanato, E, Stocchi, A, Stock, R, Stoeck, H, Stoker, D, Stroili, R, 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C, Toussaint, J, Tovey, S, Trapani, P, Treadwell, E, Triggiani, G, Trincaz-Duvoid, S, Trischuk, W, Troost, D, Trunov, A, Tsai, K, Tsai, Y, Tsujita, Y, Tsukada, K, Tsukamoto, T, Tuggle, J, Tumanov, A, Tung, Y, Turnbull, L, Turner, J, Turri, M, Uchida, K, Uchida, M, Uchida, Y, Ueki, M, Ueno, K, Ujiie, N, Ulmer, K, Unno, Y, Urquijo, P, Ushiroda, Y, Usov, Y, Usseglio, M, Usuki, Y, Uwer, U, Va’Vra, J, Vahsen, S, Vaitsas, G, Valassi, A, Vallazza, E, Vallereau, A, Vanhoefer, P, van Hoek, W, Van Hulse, C, van Winkle, D, Varner, G, Varnes, E, Varvell, K, Vasileiadis, G, Velikzhanin, Y, Verderi, M, Versillé, S, Vervink, K, Viaud, B, Vidal, P, Villa, S, Villanueva-Perez, P, Vinograd, E, Vitale, L, Vitug, G, Voß, C, Voci, C, Voena, C, Volk, A, von Wimmersperg-Toeller, J, Vorobyev, V, Vossen, A, Vuagnin, G, Vuosalo, C, Wacker, K, Wagner, A, Wagner, D, Wagner, G, Wagner, M, Wagner, S, Wagoner, D, Walker, D, Walkowiak, W, Wallom, D, Wang, C, Wang, J, Wang, K, Wang, L, Wang, P, Wang, T, Wang, W, Wang, X, Wang, Y, Wappler, F, Watanabe, M, Watson, A, Watson, J, Watson, N, Watt, M, Weatherall, J, Weaver, M, Weber, T, Wedd, R, Wei, J, Weidemann, A, Weinstein, A, Wenzel, W, West, C, West, T, White, E, White, R, Wicht, J, Widhalm, L, Wiechczynski, J, Wienands, U, Wilden, L, Wilder, M, Williams, D, Williams, G, Williams, J, Williams, K, Williams, M, Willocq, S, Wilson, J, Wilson, M, Wilson, R, Winklmeier, F, Winstrom, L, Winter, M, Wisniewski, W, Wittgen, M, Wittlin, J, Wittmer, W, Wixted, R, Woch, A, Wogsland, B, Wong, Q, Wray, B, Wren, A, Wu, C, Wu, J, Wu, S, Wulsin, H, Xella, S, Xie, Q, Xie, Y, Xu, Z, Yéche, C, Yamada, Y, Yamaga, M, Yamaguchi, A, Yamaguchi, H, Yamaki, T, Yamamoto, H, Yamamoto, N, Yamamoto, R, Yamamoto, S, Yamanaka, T, Yamaoka, H, Yamaoka, J, Yamaoka, Y, Yamashita, Y, Yamauchi, M, Yan, D, Yan, Y, Yanai, H, Yanaka, S, Yang, H, Yang, R, Yang, S, Yarritu, A, Yashchenko, S, Yashima, J, Yasin, Z, Yasu, Y, Yeh, P, Yi, J, Yi, K, Yi, M, Yin, Z, Ying, J, Yocky, G, Yokoyama, K, Yokoyama, M, Yokoyama, T, Yoshida, K, Yoshida, M, Yoshimura, Y, Young, C, Yu, C, Yu, Z, Yuan, C, Yuan, Y, Yumiceva, F, Yusa, Y, Yushkov, A, Yuta, H, Zacek, V, Zain, S, Zallo, A, Zambito, S, Zander, D, Zang, S, Zanin, D, Zaslavsky, B, Zeng, Q, Zghiche, A, Zhang, B, Zhang, J, Zhang, L, Zhang, S, Zhang, Z, Zhao, H, Zhao, M, Zhao, Z, Zheng, Y, Zheng, Z, Zhilich, V, Zhou, P, Zhu, R, Zhu, Y, Zhu, Z, Zhulanov, V, Ziegler, T, Ziegler, V, Zioulas, G, Zisman, M, Zito, M, Zürcher, D, Zwahlen, N, Zyukova, O, Živko, T, and Žontar, D
Subjects: EFFECTIVE-FIELD-THEORY, broken symmetry, anti-particles, particles, Physics and Astronomy (miscellaneous), HADRONIC TAU-DECAYS, MINIMAL FLAVOR VIOLATION, DIRECT CP VIOLATION, COLLINEAR EFFECTIVE THEORY, HEAVY-QUARK SYMMETRY, DALITZ PLOT ANALYSIS, TO-LEADING ORDER, PION FORM-FACTOR, ELECTROWEAK RADIATIVE-CORRECTIONS, asymmetry [energy], BABAR, Angle γ, lifetime [tau], validity test [Salam-Weinberg model], annihilation [electron positron], violation [CP], decay, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology (hep-ph), electroproduction [tau], B FACTORY, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], PEP2, Physic, rare decay [tau], Physics, ddc:530, Monte Carlo [numerical calculations], decay modes [B], hadron spectroscopy [charmed particle], pair production [B], High Energy Physics - Phenomenology, CP violation, Cabibbo angle, electroproduction [charmed particle], PARTICLE PHYSICS, flavor: violation [lepton], review, FOS: Physical sciences, BELLE, CP [asymmetry], B-factory, NO, mixing [D0 anti-D0], HIGH ENERGY PHYSICS, KEK-B, decay [Upsilon(10570)], Engineering (miscellaneous), decay modes [charmed particle], electroweak theory, 530 Physik, B Factories, decay modes [D], [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph], mixing [B0 anti-B0], experimental results
Abstract: “The Physics of the B Factories” describes a decade long effort of physicists in the quest for the precise determination of asymmetry — broken symmetry — between particles and antiparticles. We now recognize that the matter we see around us is the residue — one part in a billion — of the matter and antimatter that existed in the early universe, most of which annihilated into the cosmic background radiation that bathes us. But the question remains: how did the baryonic matter-antimatter asymmetry arise? This book describes the work done by some 1000 physicists and engineers from around the globe on two experimental facilities built to test our understanding of this phenomenon, one at the SLAC National Accelerator Laboratory in California, USA, and a second at the KEK Laboratory, Tsukuba, Japan, and what we have learned from them in broadening our understanding of nature., SCOAP3
Published: 2014

27. First measurements of absolute branching fractions of $\Xi_c^0$ at Belle

Author: Li, Y. B., Shen, C. P., Ban, Y., Nishida, S., Ono, H., Onuki, Y., Pakhlov, P., Pakhlova, G., Pal, B., Pardi, S., Park, S.-H., Paul, S., Pedlar, T. K., Bansal, V., Pestotnik, R., Piilonen, L. E., Popov, V., Prencipe, E., Russo, G., Sakai, Y., Salehi, M., Sandilya, S., Santelj, L., Sanuki, T., Beleño, C., Savinov, V., Schneider, O., Schnell, G., Schueler, J., Schwanda, C., Schwartz, A. J., Seino, Y., Senyo, K., Sevior, M. E., Shibata, T.-A., Berger, M., Shiu, J.-G., Shwartz, B., Solovieva, E., Starič, M., Sumihama, M., Sumiyoshi, T., Sutcliffe, W., Takizawa, M., Tanida, K., Tao, Y., Bhardwaj, V., Tenchini, F., Trabelsi, K., Uchida, M., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Van Tonder, R., Varner, G., Wang, B., Bhuyan, B., Wang, C. H., Wang, M.-Z., Wang, P., Wang, X. L., Won, E., Yang, S. B., Ye, H., Yelton, J., Yin, J. H., Yusa, Y., Bilka, T., Zhang, Z. P., Zhilich, V., Zhukova, V., Belle Collaboration, Biswal, J., Bondar, A., Bozek, A., Yuan, C. Z., Bračko, M., Cao, L., Červenkov, D., Chen, A., Cheon, B. G., Chilikin, K., Cho, K., Choi, S.-K., Choi, Y., Cinabro, D., Adachi, I., Cunliffe, S., Di Carlo, S., Doležal, Z., Dong, T. V., Drásal, Z., Eidelman, S., Fast, J. E., Fulsom, B. G., Garg, R., Gaur, V., Aihara, H., Gabyshev, N., Garmash, A., Giri, A., Goldenzweig, P., Greenwald, D., Grube, B., Hayasaka, K., Hayashii, H., Hsu, C.-L., Iijima, T., Al Said, S., Inami, K., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Jacobs, W. W., Jia, S., Jin, Y., Joffe, D., Asner, D. M., Joo, K. K., Karyan, G., Kawasaki, T., Kichimi, H., Kim, D. Y., Kim, H. J., Kim, J. B., Kim, K. T., Kim, S. H., Kinoshita, K., Aushev, T., Kodyš, P., Korpar, S., Kotchetkov, D., Križan, P., Kroeger, R., Krokovny, P., Kumita, T., Kuzmin, A., Kwon, Y.-J., Lee, J. Y., Ayad, R., Lee, S. C., Li, L. K., Li Gioi, L., Libby, J., Liventsev, D., Lubej, M., MacNaughton, J., Masuda, M., Matsuda, T., Merola, M., Badhrees, I., Miyabayashi, K., Miyata, H., Mizuk, R., Mohanty, G. B., Mussa, R., Nakano, E., Nakao, M., Nath, K. J., Nayak, M., and Niiyama, M.
Subjects: Upsilon(10570), High Energy Physics - Phenomenology, KEK-B, measured [branching ratio], BELLE, missing-mass, High Energy Physics - Experiment
Abstract: We present the first measurements of absolute branching fractions of $\Xi_c^0$ decays into $\Xi^- \pi^+$, $\Lambda K^- \pi^+$, and $p K^- K^- \pi^+$ final states. The measurements are made using a data set comprising $(772\pm 11)\times 10^{6}$ $B\bar{B}$ pairs collected at the $\Upsilon(4S)$ resonance with the Belle detector at the KEKB $e^+e^-$ collider. We first measure the absolute branching fraction for $B^- \to \bar{\Lambda}_c^- \Xi_c^0$ using a missing-mass technique; the result is ${\cal B}(B^- \to \bar{\Lambda}_c^- \Xi_c^0) = (9.51 \pm 2.10 \pm 0.88) \times 10^{-4}$. We subsequently measure the product branching fractions ${\cal B}(B^- \to \bar{\Lambda}_c^- \Xi_c^0){\cal B}(\Xi_c^0 \to \Xi^- \pi^+)$, ${\cal B}( B^- \to \bar{\Lambda}_c^- \Xi_c^0) {\cal B}(\Xi_c^0 \to \Lambda K^- \pi^+)$, and ${\cal B}( B^- \to \bar{\Lambda}_c^- \Xi_c^0) {\cal B}(\Xi_c^0 \to p K^- K^- \pi^+)$ with improved precision. Dividing these product branching fractions by the result for $B^- \to \bar{\Lambda}_c^- \Xi_c^0$ yields the following branching fractions: ${\cal B}(\Xi_c^0 \to \Xi^- \pi^+)= (1.80 \pm 0.50 \pm 0.14)\%$, ${\cal B}(\Xi_c^0 \to \Lambda K^- \pi^+)=(1.17 \pm 0.37 \pm 0.09)\%$, and ${\cal B}(\Xi_c^0 \to p K^- K^- \pi^+)=(0.58 \pm 0.23 \pm 0.05)\%.$ For the above branching fractions, the first uncertainties are statistical and the second are systematic. Our result for ${\cal B}(\Xi_c^0 \to \Xi^- \pi^+)$ can be combined with $\Xi_c^0$ branching fractions measured relative to $\Xi_c^0 \to \Xi^- \pi^+$ to yield other absolute $\Xi_c^0$ branching fractions., Comment: 7 pages, 3 figures, 1 table; accepted for publication as a Letter in Physical Review Letters
Published: 2018
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28. First evidence for $\cos 2\beta>0$ and resolution of the CKM Unitarity Triangle ambiguity by a time-dependent Dalitz plot analysis of $B^{0} \to D^{(*)} h^{0}$ with $D \to K_{S}^{0} \pi^{+} \pi^{-}$ decays

Author: Adachi, I., Adye, T., Asner, D. M., Ernst, J. A., Faccini, R., Fast, J. E., Feindt, M., Ferber, T., Ferrarotto, F., Ferroni, F., Field, R. C., Filippi, A., Finocchiaro, G., Aston, D., Fioravanti, E., Flood, K. T., Forti, F., Fritsch, M., Fulsom, B. G., Gabathuler, E., Gamba, D., Garg, R., Garmash, A., Gary, J. W., Atmacan, H., Garzia, I., Gaur, V., Gaz, A., Gelb, M., Gershon, T. J., Li Gioi, L., Giorgi, M. A., Giri, A., Godang, R., Goldenzweig, P., Aushev, T., Golob, B., Golubev, V. B., Gorodeisky, R., Gradl, W., Graham, M. T., Grauges, E., Griessinger, K., Gritsan, A. V., Grünberg, O., Guan, Y., Ayad, R., Guido, E., Guttman, N., Haba, J., Hafner, A., Hara, T., Harrison, P. F., Hast, C., Hayasaka, K., Hayashii, H., Hearty, C., Babu, V., Heck, M., Hedges, M. T., Heß, M., Hirose, S., Hitlin, D. G., Honscheid, K., Hou, W.-S., Hsu, C.-L., Huard, Z., Van Hulse, C., Badhrees, I., Hutchcroft, D. E., Inami, K., Inguglia, G., Innes, W. R., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Izen, J. M., Jacobs, W. W., Bakich, A. M., Jawahery, A., Jessop, C. P., Jia, S., Jin, Y., Joo, K. K., Julius, T., Kaliyar, A. B., Kang, K. H., Karyan, G., Kass, R., Banerjee, Sw., Kichimi, H., Kim, D. Y., Kim, J. B., Kim, K. T., Kim, S. H., Kim, J., Kim, P., King, G. J., Kinoshita, K., Koch, H., Bansal, V., Kodyš, P., Kolomensky, Yu. G., Korpar, S., Kotchetkov, D., Kowalewski, R., Kravchenko, E. A., Križan, P., Kroeger, R., Krokovny, P., Kuhr, T., Ahmed, H., Barlow, R. J., Kulasiri, R., Kumita, T., Kuzmin, A., Kwon, Y.-J., Lacker, H. M., Lafferty, G. D., Lanceri, L., Lange, J. S., Lange, D. J., Lankford, A. J., Batignani, G., Latham, T. E., Leddig, T., Le Diberder, F., Lee, I. S., Lee, S. C., Lees, J. P., Leith, D. W. G. S., Li, L. K., Li, Y. B., Li, Y., Beaulieu, A., Libby, J., Liventsev, D., Lockman, W. S., Long, O., LoSecco, J. M., Lou, X. C., Lubej, M., Lueck, T., Luitz, S., Luo, T., Behera, P., Luppi, E., Lusiani, A., Lutz, A. M., MacFarlane, D. B., MacNaughton, J., Mallik, U., Manoni, E., Marchiori, G., Margoni, M., Martellotti, S., Bellis, M., Martinez-Vidal, F., Masuda, M., Matsuda, T., Mattison, T. S., Matvienko, D., McKenna, J. A., Meadows, B. T., Merola, M., Miyabayashi, K., Miyashita, T. S., Ben-Haim, E., Miyata, H., Mizuk, R., Mohanty, G. B., Moon, H. K., Mori, T., Muller, D. R., Müller, T., Mussa, R., Nakano, E., Nakao, M., Bernard, D., Nanut, T., Nath, K. J., Nayak, M., Neal, H., Neri, N., Nisar, N. K., Nishida, S., Nugent, I. M., Oberhof, B., Ocariz, J., Bernlochner, F. U., Ogawa, S., Ongmongkolkul, P., Ono, H., Onuchin, A. P., Onuki, Y., Oyanguren, A., Pakhlov, P., Pakhlova, G., Pal, B., Palano, A., Bettarini, S., Palombo, F., Panduro Vazquez, W., Paoloni, E., Pardi, S., Park, H., Passaggio, S., Patrignani, C., Patteri, P., Paul, S., Pavelkin, I., Bettoni, D., Payne, D. J., Pedlar, T. K., Peimer, D. R., Peruzzi, I. M., Pestotnik, R., Piccolo, M., Piilonen, L. E., Pilloni, A., Piredda, G., Poireau, V., Ahn, J. K., Bevan, A. J., Popov, V., Porter, F. C., Posocco, M., Prell, S., Prepost, R., Puccio, E. M. T., Purohit, M. V., Pushpawela, B. G., Rama, M., Randle-Conde, A., Bhardwaj, V., Ratcliff, B. N., Raven, G., Resmi, P. K., Ritchie, J. L., Ritter, M., Rizzo, G., Roberts, D. A., Robertson, S. H., Röhrken, M., Roney, J. M., Bhuyan, B., Roodman, A., Rossi, A., Rotondo, M., Rozanska, M., Russo, G., Sacco, R., Al Said, S., Sakai, Y., Salehi, M., Sandilya, S., Bianchi, F., Santelj, L., Santoro, V., Sanuki, T., Savinov, V., Schneider, O., Schnell, G., Schroeder, T., Schubert, K. R., Schwanda, C., Schwartz, A. J., Biasini, M., Schwitters, R. F., Sciacca, C., Seddon, R. M., Seino, Y., Sekula, S. J., Senyo, K., Seon, O., Serednyakov, S. I., Sevior, M. E., Shebalin, V., Biswal, J., Shen, C. P., Shibata, T.-A., Shimizu, N., Shiu, J.-G., Simi, G., Simon, F., Simonetto, F., Skovpen, Yu. I., Smith, J. G., Smith, A. J. S., Blinov, V. E., So, R. Y., Sobie, R. J., Soffer, A., Sokoloff, M. D., Solodov, E. P., Solovieva, E., Spanier, S. M., Starič, M., Stroili, R., Sullivan, M. K., Bomben, M., Sumisawa, K., Sumiyoshi, T., Summers, D. J., Sun, L., Takizawa, M., Tamponi, U., Tanida, K., Taras, P., Tasneem, N., Tenchini, F., Bondar, A., Tisserand, V., Todyshevx, K. Yu., Touramanis, C., Uchida, M., Uglov, T., Unno, Y., Uno, S., Vahsen, S. E., Varner, G., Vasseur, G., Bonneaud, G. R., Va'vra, J., Červenkov, D., Verderi, M., Vitale, L., Vorobyev, V., Voß, C., Wagner, S. R., Waheed, E., Waldi, R., Walsh, J. J., Aihara, H., Bozek, A., Wang, B., Wang, C. H., Wang, M.-Z., Wang, P., Watanabe, Y., Wilson, F. F., Wilson, J. R., Wisniewski, W. J., Won, E., Wormser, G., Bozzi, C., Wright, D. M., Wu, S. L., Ye, Hua, Yuan, C. Z., Yusa, Y., Zakharov, S., Zallo, A., Zani, L., Zhang, Z. P., Zhilich, V., Bračko, M., Zhukova, V., Zhulanov, V., Zupanc, A., BaBar Collaboration, Belle Collaboration, Browder, T. E., Brown, D. N., Bünger, C., Burchat, P. R., Buzykaev, A. R., Calabrese, R., Akar, S., Calcaterra, A., Calderini, G., Di Carlo, S., Carpinelli, M., Cartaro, C., Casarosa, G., Cenci, R., Chao, D. S., Chauveau, J., Cheaib, R., Alam, M. S., Chen, A., Chen, C., Cheng, C. H., Cheon, B. G., Chilikin, K., Cho, K., Choi, Y., Choudhury, S., Chrzaszcz, M., Cibinetto, G., Albert, J., Cinabro, D., Cochran, J., Coleman, J. P., Convery, M. R., Cowan, G., Cowan, R., Cremaldi, L., Cunliffe, S., Dash, N., Davier, M., Anulli, F., Davis, C. L., De Mori, F., De Nardo, G., Denig, A. G., de Sangro, R., Dey, B., Di Lodovico, F., Dittrich, S., Doležal, Z., Dorfan, J., Arnaud, N., Drásal, Z., Druzhinin, V. P., Dunwoodie, W., Ebert, M., Echenard, B., Eidelman, S., Eigen, G., Eisner, A. M., Emery, S., Epifanov, D., Laboratoire de Physique Nucléaire et de Hautes Énergies ( LPNHE ), Université Pierre et Marie Curie - Paris 6 ( UPMC ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Université Paris Diderot - Paris 7 ( UPD7 ) -Centre National de la Recherche Scientifique ( CNRS ), Laboratoire de l'Accélérateur Linéaire ( LAL ), Université Paris-Sud - Paris 11 ( UP11 ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Centre National de la Recherche Scientifique ( CNRS ), Laboratoire Leprince-Ringuet ( LLR ), Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -École polytechnique ( X ) -Centre National de la Recherche Scientifique ( CNRS ), Département de Physique des Particules (ex SPP) ( DPP ), Institut de Recherches sur les lois Fondamentales de l'Univers ( IRFU ), Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ) -Université Paris-Saclay-Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ) -Université Paris-Saclay, Laboratoire d'Annecy de Physique des Particules ( LAPP/Laboratoire d'Annecy-le-Vieux de Physique des Particules ), Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Université Savoie Mont Blanc ( USMB [Université de Savoie] [Université de Chambéry] ) -Centre National de la Recherche Scientifique ( CNRS ), BaBar, and Belle
Subjects: Upsilon(10570): electroproduction, Dalitz plot, BELLE, annihilation [electron positron], electron positron: annihilation, CP [asymmetry], violation [CP], B-factory, High Energy Physics - Experiment, 10.57 GeV-cms, KEK-B, [ PHYS.HEXP ] Physics [physics]/High Energy Physics - Experiment [hep-ex], CP: violation, hadronic decay [B0], B0: hadronic decay, B: pair production, +D+pi0%22">B0 --> D pi0, resolution, D: hadronic decay, amplitude analysis, 12.15.Hh, electron positron: colliding beams, SLAC PEP Stor, hadronic decay [D], pair production [B], asymmetry: CP, +K0%28S%29+pi%2B+pi%22">D --> K0(S) pi+ pi, BaBar, electroproduction [Upsilon(10570)], 13.25.Hw, colliding beams [electron positron], time dependence, 11.30.Er, +D+omega%28783%29%22">B0 --> D omega(783), CKM matrix: unitarity, +D+eta%22">B0 --> D eta, unitarity [CKM matrix], experimental results
Abstract: We present first evidence that the cosine of the CP-violating weak phase $2\beta$ is positive, and hence exclude trigonometric multifold solutions of the CKM Unitarity Triangle using a time-dependent Dalitz plot analysis of $B^{0} \to D^{(*)} h^{0}$ with $D \to K_{S}^{0} \pi^{+} \pi^{-}$ decays, where $h^{0} \in \{\pi^{0}, \eta, \omega \}$ denotes a light unflavored and neutral hadron. The measurement is performed combining the final data sets of the BaBar and Belle experiments collected at the $\Upsilon(4S)$ resonance at the asymmetric-energy B factories PEP-II at SLAC and KEKB at KEK, respectively. The data samples contain $( 471 \pm 3 )\times 10^6\, B\bar{B}$ pairs recorded by the BaBar detector and $( 772 \pm 11 )\times 10^6\, B\bar{B}$ pairs recorded by the Belle detector. The results of the measurement are $\sin{2\beta} = 0.80 \pm 0.14 \,(\rm{stat.}) \pm 0.06 \,(\rm{syst.}) \pm 0.03 \,(\rm{model})$ and $\cos{2\beta} = 0.91 \pm 0.22 \,(\rm{stat.}) \pm 0.09 \,(\rm{syst.}) \pm 0.07 \,(\rm{model})$. The result for the direct measurement of the angle $\beta$ of the CKM Unitarity Triangle is $\beta = \left( 22.5 \pm 4.4 \,(\rm{stat.}) \pm 1.2 \,(\rm{syst.}) \pm 0.6 \,(\rm{model}) \right)^{\circ}$. The quoted model uncertainties are due to the composition of the $D^{0} \to K_{S}^{0} \pi^{+} \pi^{-}$ decay amplitude model, which is newly established by performing a Dalitz plot amplitude analysis using a high-statistics $e^{+}e^{-} \to c\bar{c}$ data sample. CP violation is observed in $B^{0} \to D^{(*)} h^{0}$ decays at the level of $5.1$ standard deviations. The significance for $\cos{2\beta}>0$ is $3.7$ standard deviations. The trigonometric multifold solution $\pi/2 - \beta = (68.1 \pm 0.7)^{\circ}$ is excluded at the level of $7.3$ standard deviations. The measurement resolves an ambiguity in the determination of the apex of the CKM Unitarity Triangle., Comment: To be submitted to Physical Review Letters
Published: 2018
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29. Measurement of eta_c(1S), eta_c(2S) and non-resonant eta' pi+ pi- production via two-photon collisions

Author: Xu, Q. N., Adachi, I., Badhrees, I., Mussa, R., Nanut, T., Nath, K. J., Natkaniec, Z., Nayak, M., Nisar, N. K., Nishida, S., Okuno, S., Ono, H., Onuki, Y., Bakich, A. M., Pakhlov, P., Pakhlova, G., Pal, B., Park, H., Paul, S., Pedlar, T. K., Pestotnik, R., Piilonen, L. E., Popov, V., Ritter, M., Bansal, V., Rostomyan, A., Russo, G., Sakai, Y., Salehi, M., Sandilya, S., Sanuki, T., Savinov, V., Schneider, O., Schnell, G., Schwanda, C., Barberio, E., Seino, Y., Senyo, K., Seon, O., Sevior, M. E., Shebalin, V., Shen, C. P., Shibata, T.-A., Shimizu, N., Shiu, J.-G., Sokolov, A., Behera, P., Solovieva, E., Starič, M., Strube, J. F., Sumiyoshi, T., Takizawa, M., Tamponi, U., Tanida, K., Tenchini, F., Uchida, M., Uehara, S., Berger, M., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Van Hulse, C., Varner, G., Vinokurova, A., Vorobyev, V., Vossen, A., Wang, B., Bhardwaj, V., Wang, C. H., Wang, M.-Z., Wang, P., Wang, X. L., Watanabe, M., Watanabe, Y., Widmann, E., Won, E., Ye, Hua, Yuan, C. Z., Bhuyan, B., Yusa, Y., Zakharov, S., Zhang, C. C., Zhang, Z. P., Zhilich, V., Zhukova, V., Zhulanov, V., Zupanc, A., Belle Collaboration, Biswal, J., Bondar, A., Aihara, H., Bozek, A., Bračko, M., Červenkov, D., Chen, A., Cheon, B. G., Chilikin, K., Cho, K., Choi, S.-K., Choi, Y., Cinabro, D., Al Said, S., Cunliffe, S., Czank, T., Dash, N., Di Carlo, S., Doležal, Z., Drásal, Z., Eidelman, S., Epifanov, D., Fast, J. E., Ferber, T., Asner, D. M., Fulsom, B. G., Garg, R., Gaur, V., Gabyshev, N., Garmash, A., Gelb, M., Goldenzweig, P., Guan, Y., Guido, E., Haba, J., Atmacan, H., Hayasaka, K., Hayashii, H., Hedges, M. T., Hou, W.-S., Inami, K., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Aulchenko, V., Jaegle, I., Jeon, H. B., Jin, Y., Joo, K. K., Julius, T., Kaliyar, A. B., Kang, K. H., Karyan, G., Kawasaki, T., Kichimi, H., Aushev, T., Kiesling, C., Kim, D. Y., Kim, H. J., Kim, J. B., Kodyš, P., Korpar, S., Kotchetkov, D., Križan, P., Kroeger, R., Krokovny, P., Ayad, R., Kulasiri, R., Kwon, Y.-J., Lee, I. S., Lee, S. C., Li, L. K., Li, Y., Li Gioi, L., Libby, J., Liventsev, D., Lubej, M., Babu, V., Luo, T., Masuda, M., Matsuda, T., Matvienko, D., Merola, M., Miyabayashi, K., Miyata, H., Mizuk, R., Moon, H. K., and Mori, T.
Subjects: two-photon [exchange], (pi+ pi-) [mass spectrum], measured [channel cross section], FOS: Physical sciences, BELLE, annihilation [electron positron], width: measured [eta/c(2980)], +eta%28958%29+pi%2B+pi%22">eta/c(3590) --> eta(958) pi+ pi, interaction [photon photon], width [mass], High Energy Physics - Experiment, photoproduction [eta/c(2980)], High Energy Physics - Experiment (hep-ex), KEK-B, hadronic decay [eta(958)], decay modes [eta/c(2980)], ddc:530, width: measured [eta/c(3590)], Nuclear Experiment, +photon+rho%28770%29%22">eta(958) --> photon rho(770), radiative decay [eta(958)], mass: measured [eta/c(3590)], photoproduction [eta/c(3590)], colliding beams [electron positron], High Energy Physics::Experiment, branching ratio, +eta+pi%2B+pi%22">eta(958) --> eta pi+ pi, (eta(958) pi+ pi-) [mass spectrum], mass: measured [eta/c(2980)], statistical, experimental results
Abstract: We report the measurement of gamma gamma to eta_c(1S), eta_c(2S) to eta' pi+ pi- with eta' decays to gamma rho and eta pi+ pi- using 941 fb^{-1} of data collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. The eta_c(1S) mass and width are measured to be M = [2984.6\pm0.7 (stat.)\pm2.2 (syst.)] MeV/c^{2} and \Gamma = [30.8^{+2.3}_{-2.2}~(stat.) \pm 2.5~(syst.)] MeV, respectively. First observation of eta_c(2S) to eta' pi+ pi- with a significance of 5.5sigma including systematic error is obtained, and the eta_c(2S) mass is measured to be M = [3635.1\pm3.7~(stat.)\pm2.9~(syst.)] MeV/c^{2}. The products of the two-photon decay width and branching fraction (B) of decays to eta'pi+ pi- are determined to be \Gamma_{gamma gamma}B = [65.4\pm2.6~(stat.)\pm6.9~(syst.)] eV for eta_c(1S) and [5.6^{+1.2}_{-1.1}~(stat.)\pm1.1~(syst.)] eV for eta_c(2S). A new decay mode for the eta_c(1S) to eta'f_0(2080) with f_0(2080) to pi+ pi- is observed with a statistical significance of 20sigma. The f_0(2080) mass and width are determined to be M = [2083^{+63}_{-66}~(stat.)\pm 32~(syst.)] MeV/c^{2} and \Gamma = [178^{+60}_{-178}~(stat.) \pm 55~(syst.)] MeV. The cross sections for gamma gamma to eta' pi+ pi- and eta'f_{2}(1270) are measured for the first time., Comment: 19 pages, 14 figures
Published: 2018
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30. Measurement of $\cos{2\beta}$ in $B^{0} \to D^{(*)} h^{0}$ with $D \to K_{S}^{0} \pi^{+} \pi^{-}$ decays by a combined time-dependent Dalitz plot analysis of BaBar and Belle data

Author: Adachi, I., Adye, T., Asner, D. M., Faccini, R., Fast, J. E., Feindt, M., Ferrarotto, F., Ferroni, F., Field, R. C., Filippi, A., Finocchiaro, G., Fioravanti, E., Flood, K. T., Aston, D., Forti, F., Fritsch, M., Fulsom, B. G., Gabathuler, E., Gamba, D., Garg, R., Garmash, A., Gary, J. W., Garzia, I., Gaur, V., Atmacan, H., Gaz, A., Gelb, M., Gershon, T. J., Li Gioi, L., Giorgi, M. A., Giri, A., Godang, R., Goldenzweig, P., Golob, B., Golubev, V. B., Aushev, T., Gorodeisky, R., Gradl, W., Graham, M. T., Grauges, E., Griessinger, K., Gritsan, A. V., Grünberg, O., Guido\TAGbel and, E., Guttman, N., Hafner, A., Ayad, R., Hara, T., Harrison, P. F., Hast, C., Hayasaka, K., Hearty, C., Heck, M., Hedges, M. T., Heß, M., Hirose, S., Hitlin, D. G., Badhrees, I., Honscheid, K., Hou, W.-S., Huard, Z., Van Hulse, C., Hutchcroft, D. E., Inami, K., Inguglia, G., Innes, W. R., Ishikawa, A., Itoh, R., Bakich, A. M., Iwasaki, M., Iwasaki, Y., Izen, J. M., Jacobs, W. W., Jawahery, A., Jessop, C. P., Jia, S., Jin, Y., Joo, K. K., Julius, T., Banerjee, Sw., Kaliyar, A. B., Kang, K. H., Karyan, G., Kass, R., Kichimi, H., Kim, D. Y., Kim, J. B., Kim, K. T., Kim, S. H., Kim, J., Bansal, V., Kim, P., King, G. J., Kinoshita, K., Koch, H., Kodyš, P., Kolomensky, Yu. G., Korpar, S., Kotchetkov, D., Kowalewski, R., Kravchenko, E. A., Barlow, R. J., Križan, P., Kroeger, R., Krokovny, P., Kuhr, T., Kulasiri, R., Kuzmin, A., Kwon, Y.-J., Lacker, H. M., Lafferty, G. D., Lanceri, L., Ahmed, H., Batignani, G., Lange, J. S., Lange, D. J., Lankford, A. J., Latham, T. E., Leddig, T., Le Diberder, F., Lee, I. S., Lee, S. C., Lees, J. P., Leith, D. W. G. S., Beaulieu, A., Li, L. K., Li, Y. B., Li, Y., Libby, J., Liventsev, D., Lockman, W. S., Long, O., LoSecco, J. M., Lou, X. C., Lubej, M., Behera, P., Lueck, T., Luitz, S., Luo, T., Luppi, E., Lusiani\TAGbbr, A., Lutz, A. M., MacFarlane, D. B., MacNaughton, J., Mallik, U., Manoni\TAGbbr and, E., Bellis, M., Marchiori, G., Margoni, M., Martellotti, S., Martinez-Vidal, F., Masuda, M., Matsuda, T., Mattison, T. S., Matvienko, D., McKenna, J. A., Meadows, B. T., Ben-Haim, E., Merola\TAGbel, M., Miyabayashi, K., Miyashita, T. S., Miyata, H., Mizuk, R., Mohanty, G. B., Mori, T., Muller, D. R., Müller, T., Mussa\TAGbel and, R., Bernard, D., Nakano, E., Nakao, M., Nanut, T., Nath, K. J., Nayak, M., Neal, H., Neri, N., Nisar, N. K., Nishida, S., Nugent, I. M., Bernlochner, F. U., Oberhof, B., Ocariz, J., Ogawa, S., Ongmongkolkul, P., Ono, H., Onuchin, A. P., Oyanguren, A., Pakhlov, P., Pakhlova, G., Pal, B., Bettarini, S., Palano, A., Palombo, F., Panduro Vazquez, W., Paoloni, E., Pardi\TAGbel and, S., Park, H., Passaggio, S., Patrignani, C., Patteri, P., Paul, S., Bettoni, D., Pavelkin, I., Payne, D. J., Pedlar, T. K., Peimer, D. R., Peruzzi, I. M., Piccolo, M., Piilonen, L. E., Pilloni, A., Piredda, G., Poireau, V., Bevan, A. J., Porter, F. C., Posocco, M., Prell, S., Prepost, R., Puccio, E. M. T., Purohit, M. V., Pushpawela, B. G., Rama, M., Randle-Conde, A., Ratcliff, B. N., Ahn, J. K., Bhardwaj, V., Raven, G., Resmi, P. K., Ritchie, J. L., Ritter, M., Rizzo, G., Roberts, D. A., Robertson, S. H., Röhrken, M., Roney, J. M., Roodman, A., Bhuyan, B., Rossi\TAGbbr and, A., Rotondo, M., Rozanska, M., Russo\TAGbel and, G., Sacco, R., Al Said, S., Sakai, Y., Sandilya, S., Santelj, L., Santoro, V., Bianchi, F., Sanuki, T., Savinov, V., Schneider, O., Schnell, G., Schroeder, T., Schubert, K. R., Schwanda, C., Schwartz, A. J., Schwitters, R. F., Sciacca, C., Biasini, M., Seddon, R. M., Seino, Y., Sekula, S. J., Senyo, K., Seon, O., Serednyakov, S. I., Sevior, M. E., Shebalin, V., Shibata, T.-A., Shimizu, N., Biswal, J., Shiu, J.-G., Simi, G., Simon, F., Simonetto, F., Skovpen, Yu. I., Smith, J. G., Smith, A. J. S., So, R. Y., Sobie, R. J., Soffer, A., Blinov, V. E., Sokoloff, M. D., Solodov, E. P., Solovieva, E., Spanier, S. M., Starič, M., Stroili, R., Sullivan, M. K., Sumisawa, K., Sumiyoshi, T., Summers, D. J., Bomben, M., Sun, L., Takizawa, M., Tamponi\TAGbel and, U., Tanida, K., Taras, P., Tasneem, N., Tenchini, F., Tisserand, V., Todyshevx, K. Yu., Touramanis, C., Bondar, A., Uchida, M., Uglov, T., Unno, Y., Uno, S., Vahsen, S. E., Varner, G., Vasseur, G., Va'vra, J., Červenkov, D., Verderi, M., Bonneaud, G. R., Vitale, L., Vorobyev, V., Voß, C., Wagner, S. R., Waheed, E., Waldi, R., Walsh, J. J., Wang, B., Wang, C. H., Wang, M.-Z., Bozek, A., Wang, P., Wilson, F. F., Wilson, J. R., Wisniewski, W. J., Won, E., Wormser, G., Wright, D. M., Wu, S. L., Yuan, C. Z., Yusa, Y., Aihara, H., Bozzi, C., Zakharov, S., Zallo, A., Zani, L., Zhang, Z. P., Zhilich, V., Zhukova, V., Zhulanov, V., Zupanc, A., BaBar Collaboration, Belle Collaboration, Bračko, M., Browder, T. E., Brown, D. N., Bünger, C., Burchat, P. R., Buzykaev, A. R., Calabrese, R., Calcaterra, A., Akar, S., Calderini, G., Di Carlo, S., Carpinelli, M., Cartaro, C., Casarosa, G., Cenci, R., Chao, D. S., Chauveau, J., Cheaib, R., Chen, A., Alam, M. S., Chen, C., Cheng, C. H., Cheon, B. G., Chilikin, K., Cho, K., Choi, Y., Choudhury, S., Chrzaszcz, M., Cibinetto, G., Cinabro, D., Albert, J., Cochran, J., Coleman, J. P., Convery, M. R., Cowan, G., Cowan, R., Cremaldi, L., Cunliffe, S., Dash, N., Davier, M., Davis, C. L., Anulli, F., De Mori, F., De Nardo, G., Denig, A. G., de Sangro, R., Dey, B., Di Lodovico, F., Dittrich, S., Doležal, Z., Dorfan, J., Drásal, Z., Arnaud, N., Druzhinin, V. P., Dunwoodie, W., Ebert, M., Echenard, B., Eidelman, S., Eigen, G., Eisner, A. M., Emery, S., Epifanov, D., Ernst, J. A., Laboratoire de Physique Nucléaire et de Hautes Énergies ( LPNHE ), Université Pierre et Marie Curie - Paris 6 ( UPMC ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Université Paris Diderot - Paris 7 ( UPD7 ) -Centre National de la Recherche Scientifique ( CNRS ), Laboratoire de l'Accélérateur Linéaire ( LAL ), Université Paris-Sud - Paris 11 ( UP11 ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Centre National de la Recherche Scientifique ( CNRS ), Laboratoire Leprince-Ringuet ( LLR ), Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -École polytechnique ( X ) -Centre National de la Recherche Scientifique ( CNRS ), Département de Physique des Particules (ex SPP) ( DPP ), Institut de Recherches sur les lois Fondamentales de l'Univers ( IRFU ), Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ) -Université Paris-Saclay-Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ) -Université Paris-Saclay, Laboratoire d'Annecy de Physique des Particules ( LAPP/Laboratoire d'Annecy-le-Vieux de Physique des Particules ), Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Université Savoie Mont Blanc ( USMB [Université de Savoie] [Université de Chambéry] ) -Centre National de la Recherche Scientifique ( CNRS ), BaBar, Belle, Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE (UMR_7585)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Leprince-Ringuet (LLR), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), Département de Physique des Particules (ex SPP) (DPP), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Laboratoire d'Annecy de Physique des Particules (LAPP/Laboratoire d'Annecy-le-Vieux de Physique des Particules), Centre National de la Recherche Scientifique (CNRS)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), and Département de Physique des Particules (ex SPP) (DPhP)
Subjects: Upsilon(10570): electroproduction, Dalitz plot, BELLE, annihilation [electron positron], electron positron: annihilation, CP [asymmetry], violation [CP], B-factory, High Energy Physics - Experiment, 10.57 GeV-cms, KEK-B, [ PHYS.HEXP ] Physics [physics]/High Energy Physics - Experiment [hep-ex], [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], CP: violation, Particle Physics Experiments, hadronic decay [B0], B0: hadronic decay, S042BTM, B: pair production, +D+pi0%22">B0 --> D pi0, D: hadronic decay, amplitude analysis, S042A01, electron positron: colliding beams, SLAC PEP Stor, hadronic decay [D], pair production [B], asymmetry: CP, +K0%28S%29+pi%2B+pi%22">D --> K0(S) pi+ pi, S042CJ2, BaBar, electroproduction [Upsilon(10570)], colliding beams [electron positron], time dependence, +D+omega%28783%29%22">B0 --> D omega(783), CKM matrix: unitarity, +D+eta%22">B0 --> D eta, unitarity [CKM matrix], experimental results
Abstract: We report measurements of $\sin{2\beta}$ and $\cos{2\beta}$ from a time-dependent Dalitz plot analysis of $B^{0} \to D^{(*)} h^{0}$ with $D \to K_{S}^{0} \pi^{+} \pi^{-}$ decays, where the light unflavored and neutral hadron $h^{0}$ is a $\pi^{0}$, $\eta$, or $\omega$ meson. The analysis is performed with a combination of the final data sets of the \babar\ and Belle experiments containing $471 \times 10^{6}$ and $772 \times 10^{6}$ $B\bar{B}$ pairs collected at the $\Upsilon\left(4S\right)$ resonance at the asymmetric-energy B factories PEP-II at SLAC and KEKB at KEK, respectively. We measure $\sin{2\beta} = 0.80 \pm 0.14 \,(\rm{stat.}) \pm 0.06 \,(\rm{syst.}) \pm 0.03 \,(\rm{model})$ and $\cos{2\beta} = 0.91 \pm 0.22 \,(\rm{stat.}) \pm 0.09 \,(\rm{syst.}) \pm 0.07 \,(\rm{model})$. The result for the direct measurement of the angle is $\beta = \left( 22.5 \pm 4.4 \,(\rm{stat.}) \pm 1.2 \,(\rm{syst.}) \pm 0.6 \,(\rm{model}) \right)^{\circ}$. The last quoted uncertainties are due to the composition of the $D^{0} \to K_{S}^{0} \pi^{+} \pi^{-}$ decay amplitude model, which is newly established by a Dalitz plot amplitude analysis of a high-statistics $e^{+}e^{-} \to c\bar{c}$ data sample as part of this analysis. We find the first evidence for $\cos2\beta>0$ at the level of $3.7$ standard deviations. The measurement excludes the trigonometric multifold solution $\pi/2 - \beta = (68.1 \pm 0.7)^{\circ}$ at the level of $7.3$ standard deviations and therefore resolves an ambiguity in the determination of the apex of the CKM Unitarity Triangle. The hypothesis of $\beta = 0^{\circ}$ is ruled out at the level of $5.1$ standard deviations, and thus CP violation is observed in $B^{0} \to D^{(*)} h^{0}$ decays., Comment: To be submitted to Physical Review D
Published: 2018
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31. Observation of $\Upsilon(4S)\to \eta' \Upsilon(1S)$

Author: Guido, E., Mussa, R., Babu, V., Mizuk, R., Mohanty, G. B., Moon, H. K., Mori, T., Nakano, E., Nakao, M., Nanut, T., Nath, K. J., Nayak, M., Niiyama, M., Badhrees, I., Nishida, S., Ogawa, S., Ono, H., Ostrowicz, W., Pakhlova, G., Pal, B., Pardi, S., Park, C. W., Paul, S., Pedlar, T. K., Bakich, A. M., Pestotnik, R., Piilonen, L. E., Popov, V., Rostomyan, A., Russo, G., Sakai, Y., Salehi, M., Sanuki, T., Schneider, O., Schnell, G., Bansal, V., Schwanda, C., Seino, Y., Shebalin, V., Shen, C. P., Shibata, T.-A., Shiu, J.-G., Shwartz, B., Sokolov, A., Starič, M., Strube, J. F., Behera, P., Sumihama, M., Sumiyoshi, T., Takizawa, M., Tanida, K., Tenchini, F., Uchida, M., Uglov, T., Unno, Y., Usov, Y., Van Hulse, C., Berger, M., Varner, G., Vinokurova, A., Wang, B., Wang, C. H., Wang, M.-Z., Wang, P., Wang, X. L., Watanabe, M., Watanabe, Y., Widmann, E., Bhardwaj, V., Won, E., Ye, Hua, Yelton, J., Yuan, C. Z., Yusa, Y., Zakharov, S., Zhang, Z. P., Zhilich, V., Zhukova, V., Zhulanov, V., Biswal, J., Belle Collaboration, Bondar, A., Bonvicini, G., Tamponi, U., Bozek, A., Bračko, M., Browder, T. E., Červenkov, D., Chekelian, V., Chen, A., Cheon, B. G., Chilikin, K., Cho, K., Choi, S.-K., Aihara, H., Choi, Y., Choudhury, S., Cinabro, D., Cunliffe, S., Di Carlo, S., Doležal, Z., Eidelman, S., Epifanov, D., Fast, J. E., Ferber, T., Al Said, S., Fulsom, B. G., Garg, R., Gaur, V., Gabyshev, N., Garmash, A., Gelb, M., Giri, A., Goldenzweig, P., Haba, J., Hara, T., Asner, D. M., Hayashii, H., Hedges, M. T., Hou, W.-S., Inami, K., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Jacobs, W. W., Atmacan, H., Jeon, H. B., Jia, S., Jin, Y., Julius, T., Kang, K. H., Karyan, G., Kawasaki, T., Kiesling, C., Kim, D. Y., Kim, J. B., Aulchenko, V., Kim, K. T., Kim, S. H., Kinoshita, K., Kodyš, P., Korpar, S., Kotchetkov, D., Križan, P., Kroeger, R., Krokovny, P., Kulasiri, R., Aushev, T., Kumar, R., Kumita, T., Kuzmin, A., Kwon, Y.-J., Lee, I. S., Lee, S. C., Li, L. K., Li, Y. B., Li Gioi, L., Libby, J., Ayad, R., Liventsev, D., Lubej, M., Luo, T., MacNaughton, J., Masuda, M., Matsuda, T., Matvienko, D., Merola, M., Miyabayashi, K., and Miyata, H.
Subjects: +rho%28770%290+photon%22">eta(958) --> rho(770)0 photon, radiative decay [eta(958)], +2photon%22">eta --> 2photon, branching ratio: measured [Upsilon(10570)], BELLE, annihilation [electron positron], 4/3, High Energy Physics - Experiment, hadronic decay [Upsilon(10570)], 10.57 GeV-cms, KEK-B, electroproduction [Upsilon(10570)], ddc:550, colliding beams [electron positron], +eta%28958%29+Upsilon%289460%29%22">Upsilon(10570) --> eta(958) Upsilon(9460), High Energy Physics::Experiment, +eta+pi%2B+pi%22">eta(958) --> eta pi+ pi, Nuclear Experiment, Upsilon(9460), experimental results
Abstract: We report the first observation of the hadronic transition $\Upsilon(4S)\to\eta'\Upsilon(1S)$, using 496 fb$^{-1}$ data collected at the $\Upsilon(4S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^{+}e^{-}$ collider. We reconstruct the $\eta'$ meson through its decays to $\rho^0\gamma$ and to $\pi^+\pi^-\eta$, with $\eta\to\gamma\gamma$. We measure: ${\cal B}(\Upsilon(4S)\to\eta'\Upsilon(1S))=(3.43\pm 0.88 {\rm(stat.)} \pm 0.21 {\rm(syst.)})\times10^{-5}$, with a significance of 5.7$\sigma$., Comment: 6 pages, 4 figures. Submitted to PRL
Published: 2018
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32. Observation of $\Upsilon(4S)\to \eta' \Upsilon(1S)$

Author: Guido, E., Mussa, R., Tamponi, U., Aihara, H., Al Said, S., Asner, D. M., Atmacan, H., Aulchenko, V., Aushev, T., Ayad, R., Babu, V., Badhrees, I., Bakich, A. M., Bansal, V., Behera, P., Berger, M., Bhardwaj, V., Biswal, J., Bondar, A., Bonvicini, G., Bozek, A., Bračko, M., Browder, T. E., Červenkov, D., Chekelian, V., Chen, A., Cheon, B. G., Chilikin, K., Cho, K., Choi, S.-K., Choi, Y., Choudhury, S., Cinabro, D., Cunliffe, S., Di Carlo, S., Doležal, Z., Eidelman, S., Epifanov, D., Fast, J. E., Ferber, T., Fulsom, B. G., Garg, R., Gaur, V., Gabyshev, N., Garmash, A., Gelb, M., Giri, A., Goldenzweig, P., Haba, J., Hara, T., Hayashii, H., Hedges, M. T., Hou, W.-S., Inami, K., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Jacobs, W. W., Jeon, H. B., Jia, S., Jin, Y., Julius, T., Kang, K. H., Karyan, G., Kawasaki, T., Kiesling, C., Kim, D. Y., Kim, J. B., Kim, K. T., Kim, S. H., Kinoshita, K., Kodyš, P., Korpar, S., Kotchetkov, D., Križan, P., Kroeger, R., Krokovny, P., Kulasiri, R., Kumar, R., Kumita, T., Kuzmin, A., Kwon, Y.-J., Lee, I. S., Lee, S. C., Li, L. K., Li, Y. B., Li Gioi, L., Libby, J., Liventsev, D., Lubej, M., Luo, T., MacNaughton, J., Masuda, M., Matsuda, T., Matvienko, D., Merola, M., Miyabayashi, K., Miyata, H., Mizuk, R., Mohanty, G. B., Moon, H. K., Mori, T., Nakano, E., Nakao, M., Nanut, T., Nath, K. J., Nayak, M., Niiyama, M., Nishida, S., Ogawa, S., Ono, H., Ostrowicz, W., Pakhlova, G., Pal, B., Pardi, S., Park, C. W., Paul, S., Pedlar, T. K., Pestotnik, R., Piilonen, L. E., Popov, V., Rostomyan, A., Russo, G., Sakai, Y., Salehi, M., Sanuki, T., Schneider, O., Schnell, G., Schwanda, C., Seino, Y., Shebalin, V., Shen, C. P., Shibata, T.-A., Shiu, J.-G., Shwartz, B., Sokolov, A., Starič, M., Strube, J. F., Sumihama, M., Sumiyoshi, T., Takizawa, M., Tanida, K., Tenchini, F., Uchida, M., Uglov, T., Unno, Y., Usov, Y., Van Hulse, C., Varner, G., Vinokurova, A., Wang, B., Wang, C. H., Wang, M.-Z., Wang, P., Wang, X. L., Watanabe, M., Watanabe, Y., Widmann, E., Won, E., Ye, Hua, Yelton, J., Yuan, C. Z., Yusa, Y., Zakharov, S., Zhang, Z. P., Zhilich, V., Zhukova, V., and Zhulanov, V.
Subjects: Upsilon(10570): electroproduction, Upsilon(10570): hadronic decay, +rho%28770%290+photon%22">eta(958) --> rho(770)0 photon, +eta%28958%29+Upsilon%289460%29%22">Upsilon(10570) --> eta(958) Upsilon(9460), BELLE, electron positron: colliding beams, electron positron: annihilation, 4/3, Upsilon(10570): branching ratio: measured, eta(958): radiative decay, 10.57 GeV-cms, KEK-B, +2photon%22">eta --> 2photon, Upsilon(9460), +eta+pi%2B+pi%22">eta(958) --> eta pi+ pi, experimental results
Abstract: We report the first observation of the hadronic transition $ϒ(4S) → η′ϒ(1S)$, using 496 fb$^{-1}$ data collected at the $ϒ(4S)$ resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. We reconstruct the $η′$ meson through its decays to $ρ^0 γ$ and to $π^+ π^-η$, with $η → γγ$. We measure $B(ϒ(4S) → η′ϒ(1S))=[3.43±0.88(stat)±0.21(syst)] × 10^{-5}$, with a significance of 5.7$σ$.
Published: 2018
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33. Production cross sections of hyperons and charmed baryons from $e^+e^-$ annihilation near $\sqrt{s} = 10.52$~GeV

Author: Niiyama, M., Sumihama, M., Nakano, T., Adachi, I., Aihara, H., Al Said, S., Asner, D. M., Aulchenko, V., Aushev, T., Ayad, R., Babu, V., Badhrees, I., Bakich, A. M., Bansal, V., Barberio, E., Berger, M., Bhardwaj, V., Bhuyan, B., Biswal, J., Bobrov, A., Bonvicini, G., Bozek, A., Bračko, M., Browder, T. E., Červenkov, D., Chang, M.-C., Chekelian, V., Chen, A., Cheon, B. G., Chilikin, K., Chistov, R., Cho, K., Choi, Y., Cinabro, D., Dash, N., Di Carlo, S., Doležal, Z., Drásal, Z., Dutta, D., Eidelman, S., Farhat, H., Fast, J. E., Ferber, T., Fulsom, B. G., Gaur, V., Gabyshev, N., Garmash, A., Gillard, R., Goldenzweig, P., Haba, J., Hara, T., Hayasaka, K., Hayashii, H., Iijima, T., Inami, K., Ishikawa, A., Itoh, R., Iwasaki, Y., Jacobs, W. W., Jaegle, I., Jin, Y., Joffe, D., Joo, K. K., Julius, T., Karyan, G., Kato, Y., Katrenko, P., Kim, D. Y., Kim, H. J., Kim, J. B., Kim, K. T., Kim, M. J., Kim, S. H., Kim, Y. J., Kinoshita, K., Kodyš, P., Kotchetkov, D., Križan, P., Krokovny, P., Kulasiri, R., Kuzmin, A., Kwon, Y.-J., Lange, J. S., Lee, I. S., Li, C. H., Li, L., Li, Y., Li Gioi, L., Libby, J., Liventsev, D., Luo, T., Masuda, M., Matsuda, T., Matvienko, D., Merola, M., Miyabayashi, K., Miyata, H., Mizuk, R., Moon, H. K., Mori, T., Mussa, R., Nakano, E., Nakao, M., Nanut, T., Nath, K. J., Natkaniec, Z., Nayak, M., Nisar, N. K., Nishida, S., Ogawa, S., Ono, H., Pakhlov, P., Pakhlova, G., Pal, B., Pardi, S., Park, H., Pedlar, T. K., Piilonen, L. E., Pulvermacher, C., Ritter, M., Sahoo, H., Sakai, Y., Sandilya, S., Santelj, L., Sato, Y., Savinov, V., Schneider, O., Schnell, G., Schwanda, C., Seidl, R., Seino, Y., Senyo, K., Sevior, M. E., Shebalin, V., Shen, C. P., Shibata, T.-A., Shiu, J.-G., Shwartz, B., Simon, F., Sokolov, A., Solovieva, E., Starič, M., Sumiyoshi, T., Takizawa, M., Tanida, K., Tenchini, F., Uchida, M., Uehara, S., Uglov, T., Unno, Y., Uno, S., Van Hulse, C., Varner, G., Vossen, A., Wang, C. H., Wang, M.-Z., Wang, P., Watanabe, Y., Widmann, E., Williams, K. M., Won, E., Yamashita, Y., Ye, Hua, Yuan, C. Z., Yusa, Y., Zhang, Z. P., Zhilich, V., Zhulanov, V., and Zupanc, A.
Subjects: charmed baryon: direct production, 10.52 GeV-cms, Lambda/c+, Upsilon(10570): electroproduction, BELLE, electron positron: colliding beams, hyperon: direct production, electron positron: annihilation, suppression, spin, Xi(1530), KEK-B, Sigma(1385), particle: heavy, diquark, slope, multiplicity, ground state, structure, channel cross section: measured, inclusive production, experimental results
Abstract: Physical review / D 97(7), 072005 (2018). doi:10.1103/PhysRevD.97.072005, We measure the inclusive production cross sections of hyperons and charmed baryons from $e^+e^-$ annihilation using a 800 fb$^{-1}$ data sample taken near the $ϒ(4S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^+e^-$ collider. The feed-down contributions from heavy particles are subtracted using our data, and the direct production cross sections are presented for the first time. The production cross sections divided by the number of spin states for $S=-1$ hyperons follow an exponential function with a single slope parameter except for the $Σ(1385)^+$ resonance. Suppression for $Σ(1385)^+$ and $Ξ(1530)^0$ hyperons is observed. Among the production cross sections of charmed baryons, a factor of 3 difference for $Λ_c^+$ states over $Σ_c$ states is observed. This observation suggests a diquark structure for these baryons., Published by APS, Woodbury, NY
Published: 2018
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34. Observation of an Excited $\Omega^-$ Baryon

Author: Yelton, J., Adachi, I., Badhrees, I., Lubej, M., Luo, T., Masuda, M., Matsuda, T., Matvienko, D., McNeil, J. T., Merola, M., Miyabayashi, K., Miyata, H., Mizuk, R., Bahinipati, S., Mohanty, G. B., Moon, H. K., Mori, T., Mussa, R., Nakano, E., Nakao, M., Nanut, T., Nath, K. J., Natkaniec, Z., Niiyama, M., Bakich, A. M., Nisar, N. K., Nishida, S., Ono, H., Pakhlov, P., Pakhlova, G., Pal, B., Pardi, S., Park, H., Paul, S., Pedlar, T. K., Bansal, V., Pestotnik, R., Piilonen, L. E., Popov, V., Ritter, M., Russo, G., Sahoo, D., Sakai, Y., Sandilya, S., Santelj, L., Sanuki, T., Beleño, C., Savinov, V., Schneider, O., Schnell, G., Schwanda, C., Seino, Y., Senyo, K., Sevior, M. E., Shebalin, V., Shen, C. P., Shibata, T.-A., Berger, M., Shiu, J.-G., Shwartz, B., Simon, F., Sokolov, A., Solovieva, E., Starič, M., Strube, J. F., Sumihama, M., Sumiyoshi, T., Suzuki, K., Bhardwaj, V., Takizawa, M., Tamponi, U., Tanida, K., Tao, Y., Tenchini, F., Uchida, M., Uglov, T., Uno, S., Urquijo, P., Usov, Y., Bhuyan, B., Vahsen, S. E., Van Hulse, C., Varner, G., Vorobyev, V., Vossen, A., Wang, B., Wang, C. H., Wang, M.-Z., Wang, P., Wang, X. L., Bilka, T., Watanabe, M., Watanuki, S., Widmann, E., Won, E., Ye, H., Yuan, C. Z., Yusa, Y., Zakharov, S., Zhang, Z. P., Zhilich, V., Biswal, J., Zhukova, V., Zhulanov, V., Belle Collaboration, Ahn, J. K., Bondar, A., Bonvicini, G., Bozek, A., Bračko, M., Browder, T. E., Červenkov, D., Chekelian, V., Chen, A., Cheon, B. G., Chilikin, K., Aihara, H., Cho, K., Choi, S.-K., Choi, Y., Choudhury, S., Cinabro, D., Cunliffe, S., Czank, T., Dash, N., Di Carlo, S., Doležal, Z., Al Said, S., Dong, T. V., Drásal, Z., Eidelman, S., Epifanov, D., Fast, J. E., Fulsom, B. G., Garg, R., Gaur, V., Gabyshev, N., Garmash, A., Asner, D. M., Gelb, M., Giri, A., Goldenzweig, P., Greenwald, D., Guido, E., Haba, J., Hayasaka, K., Hayashii, H., Hirose, S., Hou, W.-S., Atmacan, H., Inami, K., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Jacobs, W. W., Jeon, H. B., Jia, S., Jin, Y., Aushev, T., Joo, K. K., Julius, T., Kaliyar, A. B., Kang, K. H., Karyan, G., Kato, Y., Kiesling, C., Kim, D. Y., Kim, J. B., Kim, K. T., Ayad, R., Kim, S. H., Kinoshita, K., Kodyš, P., Korpar, S., Kotchetkov, D., Križan, P., Kroeger, R., Krokovny, P., Kuhr, T., Kumar, R., Babu, V., Kuzmin, A., Kwon, Y.-J., Lange, J. S., Lee, I. S., Lee, S. C., Li, L. K., Li, Y. B., Li Gioi, L., Libby, J., Liventsev, D., Laboratoire de l'Accélérateur Linéaire (LAL), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Belle, Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de l'Accélérateur Linéaire ( LAL ), and Université Paris-Sud - Paris 11 ( UP11 ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Centre National de la Recherche Scientifique ( CNRS )
Subjects: mass spectrum: (Lambda pi-), Upsilon(9460): electroproduction, mass spectrum: (Xi0 K0(S)), BELLE, Upsilon(10355): electroproduction, electron positron: annihilation, hyperon, High Energy Physics - Experiment, mass: width, KEK-B, [ PHYS.HEXP ] Physics [physics]/High Energy Physics - Experiment [hep-ex], B179M, Upsilon(10020): electroproduction, ddc:550, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], mass spectrum: (Lambda pi0), B179W, Nuclear Experiment, Omega-: excited state, baryon: excited state, electron positron: colliding beams, mass spectrum: (Xi0 K-), Upsilon(10020), baryon, B179:Desig=1, Automatic Keywords, B179:Desig=2, Upsilon(10355), excited state: hadronic decay, Elementary Particles and Fields, High Energy Physics::Experiment, Upsilon(9460), experimental results
Abstract: Using data recorded with the Belle detector, we observe a new excited hyperon, an $\Omega^{*-}$ candidate decaying into $\Xi^0K^-$ and $\Xi^-K^0_S$ with a mass of $2012.4\pm0.7\ {\rm (stat)\pm\ 0.6\ (\rm syst)}\ {\rm MeV}/c^2$ and a width of $\Gamma=6.4^{+2.5}_{-2.0}\ {\rm(stat)}\pm1.6\ {\rm(syst)}\ {\rm MeV}$. The $\Omega^{*-}$ is seen primarily in $\Upsilon(1S), \Upsilon(2S)$, and $\Upsilon(3S)$ decays., Comment: Submitted to PRL
Published: 2018
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35. Observation of $e^+e^- \to \gamma \chi_{c1}$ and search for $e^+e^- \to \gamma \chi_{c0}, \gamma \chi_{c2},$ and $\gamma\eta_c$ at $\sqrt{s}$ near 10.6 GeV at Belle

Author: Jia, S., Wang, X. L., Aushev, T., Li Gioi, L., Libby, J., Liptak, Z., Liventsev, D., Lu, P.-C., Lubej, M., MacNaughton, J., Masuda, M., Matsuda, T., Matvienko, D., Ayad, R., Merola, M., Miyata, H., Mizuk, R., Mori, T., Mussa, R., Nakano, E., Nakao, M., Nath, K. J., Nayak, M., Nisar, N. K., Babu, V., Nishida, S., Ogawa, S., Olsen, S. L., Ono, H., Onuki, Y., Ostrowicz, W., Pakhlova, G., Pal, B., Pardi, S., Paul, S., Bansal, V., Pedlar, T. K., Pestotnik, R., Piilonen, L. E., Popov, V., Prencipe, E., Ritter, M., Rostomyan, A., Russo, G., Sakai, Y., Salehi, M., Behera, P., Sandilya, S., Santelj, L., Sanuki, T., Savinov, V., Schneider, O., Schnell, G., Schueler, J., Schwanda, C., Seino, Y., Senyo, K., Beleño, C., Sevior, M. E., Shibata, T.-A., Shiu, J.-G., Simon, F., Sokolov, A., Solovieva, E., Starič, M., Stottler, Z. S., Strube, J. F., Sumiyoshi, T., Berger, M., Sutcliffe, W., Takizawa, M., Tanida, K., Tao, Y., Tenchini, F., Uchida, M., Uehara, S., Uglov, T., Unno, Y., Uno, S., Bhuyan, B., Urquijo, P., Usov, Y., Van Tonder, R., Varner, G., Varvell, K. E., Vorobyev, V., Waheed, E., Wang, B., Wang, C. H., Wang, M.-Z., Bilka, T., Wang, P., Watanuki, S., Widmann, E., Won, E., Yamamoto, H., Yang, S. B., Ye, H., Yin, J. H., Yusa, Y., Zhang, Z. P., Biswal, J., Zhilich, V., Zhukova, V., Zhulanov, V., Belle Collaboration, Shen, C. P., Bobrov, A., Bozek, A., Bračko, M., Browder, T. E., Cao, L., Červenkov, D., Chang, P., Chekelian, V., Chen, A., Cheon, B. G., Yuan, C. Z., Chilikin, K., Cho, K., Choi, S.-K., Choi, Y., Choudhury, S., Cinabro, D., Cunliffe, S., Dash, N., Di Carlo, S., Doležal, Z., Adachi, I., Dong, T. V., Eidelman, S., Epifanov, D., Fast, J. E., Ferber, T., Frey, A., Fulsom, B. G., Garg, R., Gaur, V., Gabyshev, N., Aihara, H., Garmash, A., Gelb, M., Giri, A., Goldenzweig, P., Greenwald, D., Haba, J., Hayasaka, K., Hayashii, H., Hou, W.-S., Hsu, C.-L., Al Said, S., Iijima, T., Inami, K., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Jacobs, W. W., Jin, Y., Joffe, D., Asner, D. M., Kahn, J., Kaliyar, A. B., Karyan, G., Kawasaki, T., Kichimi, H., Kiesling, C., Kim, D. Y., Kim, H. J., Kim, J. B., Kim, S. H., Atmacan, H., Kinoshita, K., Kodyš, P., Korpar, S., Kotchetkov, D., Križan, P., Kroeger, R., Krokovny, P., Kuhr, T., Kulasiri, R., Kumar, R., Aulchenko, V., Kuzmin, A., Kwon, Y.-J., Lalwani, K., Lange, J. S., Lee, I. S., Lee, J. Y., Lee, S. C., Li, C. H., Li, L. K., Li, Y. B., Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Belle, and Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11)
Subjects: Born approximation, exclusive reaction, measured [channel cross section], photon: spectrum, BELLE, annihilation [electron positron], electron positron: annihilation, 10.58 GeV-cms, +photon+chi%2Fc0%283415%29%22">electron positron --> photon chi/c0(3415), channel cross section: upper limit, chi/c1(3510), High Energy Physics - Experiment, energy dependence, chi/c2(3555), KEK-B, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], tree approximation, Particle Physics Experiments, ddc:530, +photon+chi%2Fc1%283510%29%22">electron positron --> photon chi/c1(3510), chi/c0(3415), +photon+chi%2Fc2%283555%29%22">electron positron --> photon chi/c2(3555), BES, upper limit [channel cross section], electron positron: colliding beams, spectrum [photon], High Energy Physics - Phenomenology, [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph], colliding beams [electron positron], channel cross section: measured, experimental results
Abstract: Using data samples of 89.5~fb$^{-1}$, 711.0~fb$^{-1}$, and 121.4~fb$^{-1}$ collected with the Belle detector at the KEKB asymmetric-energy $e^+e^-$ collider at center-of-mass energies 10.52 GeV, 10.58 GeV, and 10.867 GeV, respectively, we study the exclusive reactions $e^+e^-\to\gamma\chi_{cJ}$ ($J = 0,~1,~2$) and $e^+e^-\to\gamma\eta_c$. A significant $\gamma \chi_{c1}$ signal is observed for the first time at $\sqrt{s}=10.58$ GeV with a significance of $5.1\sigma$ including systematic uncertainties. No significant excesses for $\gamma \chi_{c0}$, $\gamma \chi_{c2}$, and $\gamma \eta_c$ final states are found, and we set 90\% credibility level upper limits on the Born cross sections ($\sigma_{\rm B}$) at 10.52 GeV, 10.58 GeV, and 10.867~GeV. Together with cross sections measured by BESIII at lower center-of-mass energies, the energy dependency of $\sigma_{\rm B}(e^+e^-\to\gamma\chi_{c1})$ is obtained., Comment: 8 pages, 4 figures
Published: 2018
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36. Observation of $\mathrm{\Upsilon(2S)\to\gamma \eta_{b}(1S)}$ decay

Author: Fulsom, B. G., Pedlar, T. K., Adachi, I., Aihara, H., Al Said, S., Asner, D. M., Atmacan, H., Aulchenko, V., Aushev, T., Ayad, R., Babu, V., Badhrees, I., Bakich, A. M., Bansal, V., Behera, P., Beleño, C., Berger, M., Bhardwaj, V., Bhuyan, B., Bilka, T., Biswal, J., Bondar, A., Bonvicini, G., Bozek, A., Bračko, M., Browder, T. E., Cao, L., Červenkov, D., Chekelian, V., Chen, A., Cheon, B. G., Chilikin, K., Cho, K., Choi, S.-K., Choi, Y., Choudhury, S., Cinabro, D., Cunliffe, S., Dash, N., Di Carlo, S., Dingfelder, J., Doležal, Z., Dong, T. V., Drásal, Z., Eidelman, S., Epifanov, D., Fast, J. E., Ferber, T., Garg, R., Gaur, V., Gabyshev, N., Garmash, A., Gelb, M., Giri, A., Goldenzweig, P., Guido, E., Haba, J., Hayasaka, K., Hayashii, H., Hirose, S., Hou, W.-S., Iijima, T., Inami, K., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Jacobs, W. W., Jeon, H. B., Jia, S., Jin, Y., Joffe, D., Joo, K. K., Julius, T., Kawasaki, T., Kichimi, H., Kiesling, C., Kim, D. Y., Kim, H. J., Kim, J. B., Kim, K. T., Kim, S. H., Kinoshita, K., Kodyš, P., Korpar, S., Kotchetkov, D., Križan, P., Kroeger, R., Krokovny, P., Kuhr, T., Kulasiri, R., Kuzmin, A., Kwon, Y.-J., Lange, J. S., Lee, I. S., Lee, S. C., Li, L. K., Li, Y. B., Li Gioi, L., Libby, J., Liventsev, D., Lubej, M., Luo, T., Masuda, M., Matsuda, T., Matvienko, D., Merola, M., Miyabayashi, K., Miyata, H., Mizuk, R., Mohanty, G. B., Moon, H. K., Mori, T., Mussa, R., Nakao, M., Nanut, T., Nath, K. J., Natkaniec, Z., Nayak, M., Niiyama, M., Nisar, N. K., Nishida, S., Ogawa, S., Okuno, S., Ono, H., Pakhlov, P., Pakhlova, G., Pal, B., Pardi, S., Park, H., Paul, S., Pestotnik, R., Piilonen, L. E., Popov, V., Prencipe, E., Rabusov, A., Ritter, M., Rostomyan, A., Russo, G., Sakai, Y., Salehi, M., Sandilya, S., Santelj, L., Sanuki, T., Savinov, V., Schneider, O., Schnell, G., Schwanda, C., Seino, Y., Senyo, K., Sevior, M. E., Shebalin, V., Shen, C. P., Shibata, T.-A., Shiu, J.-G., Shwartz, B., Simon, F., Singh, J. B., Sokolov, A., Solovieva, E., Starič, M., Strube, J. F., Sumihama, M., Sumisawa, K., Sumiyoshi, T., Sutcliffe, W., Takizawa, M., Tamponi, U., Tanida, K., Tenchini, F., Uchida, M., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Vahsen, S. E., Van Hulse, C., Van Tonder, R., Varner, G., Vinokurova, A., Vorobyev, V., Vossen, A., Wang, B., Wang, C. H., Wang, P., Wang, X. L., Watanabe, M., Watanuki, S., Widmann, E., Won, E., Ye, H., Yin, J. H., Yuan, C. Z., Zhang, Z. P., Zhilich, V., Zhukova, V., Zhulanov, V., and Zupanc, A.
Subjects: eta/b: mass: measured, Upsilon(10020): branching ratio: measured, photon: spectrum, eta/b: electroproduction, BELLE, electron positron: colliding beams, electron positron: annihilation, KEK-B, Upsilon(10020): electroproduction, Upsilon(10020): radiative decay, statistical, +eta%2Fb+photon%22">Upsilon(10020) --> eta/b photon, experimental results
Abstract: Physical review letters 121, 232001 (2018). doi:10.1103/PhysRevLett.121.232001, We report the observation of $\mathrm{\Upsilon(2S)\to\gamma \eta_{b}(1S)}$ decay based on an analysis of the inclusive photon spectrum of 24.7 fb$^{-1}$ of e$^+$e$^-$ collisions at the ϒ(2S) center-of-mass energy collected with the Belle detector at the KEKB asymmetric-energy e$^+$e$^-$ collider. We measure a branching fraction of $\mathcal{B}[ϒ(2S) \to\gamma \eta_{b}(1S)]=(6.1_{-0.7-0.6}^{+0.6+0.9}) × 10^{-4}$ and derive an $η_{b}(1S)$ mass of $9394.8_{-3.1-2.7}^{+2.7+4.5} MeV/c^2$, where the uncertainties are statistical and systematic, respectively. The significance of our measurement is greater than 7 standard deviations, constituting the first observation of this decay mode., Published by APS, College Park, Md.
Published: 2018
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37. Observation of $B^{+} \rightarrow p\bar{\Lambda} K^+ K^-$ and $B^{+} \rightarrow \bar{p}\Lambda K^+ K^+$

Author: Lu, P. C., Wang, M. Z., Chistov, R., Chang, P., Adachi, I., Ahn, J. K., Aihara, H., Al Said, S., Asner, D. M., Atmacan, H., Aulchenko, V., Aushev, T., Ayad, R., Babu, V., Badhrees, I., Bakich, A. M., Bansal, V., Behera, P., Beleno, C., Berger, M., Bhardwaj, V., Bhuyan, B., Bilka, T., Biswal, J., Bonvicini, G., Bozek, A., Bračko, M., Browder, T. E., Cao, L., Červenkov, D., Chekelian, V., Chen, A., Cheon, B. G., Chilikin, K., Cho, K., Choi, S. K., Choi, Y., Choudhury, S., Cinabro, D., Cunliffe, S., Dash, N., Di Carlo, S., Doležal, Z., Dong, T. V., Drásal, Z., Eidelman, S., Epifanov, D., Fast, J. E., Ferber, T., Fulsom, B. G., Garg, R., Gaur, V., Gabyshev, N., Garmash, A., Gelb, M., Giri, A., Goldenzweig, P., Guido, E., Haba, J., Hayasaka, K., Hayashii, H., Hirose, S., Hou, W. S., Hsu, C. L., Iijima, T., Inami, K., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Jacobs, W. W., Jeon, H. B., Jia, S., Jin, Y., Joffe, D., Joo, K. K., Julius, T., Kaliyar, A. B., Kawasaki, T., Kichimi, H., Kiesling, C., Kim, D. Y., Kim, H. J., Kim, J. B., Kim, K. T., Kim, S. H., Kinoshita, K., Kodyš, P., Korpar, S., Kotchetkov, D., Križan, P., Kroeger, R., Krokovny, P., Kuhr, T., Kulasiri, R., Kuzmin, A., Kwon, Y. J., Lai, Y. T., Lange, J. S., Lee, I. S., Lee, S. C., Li, L. K., Li, Y. B., Li Gioi, L., Libby, J., Liventsev, D., Lubej, M., Luo, T., Masuda, M., Matsuda, T., Matvienko, D., Merola, M., Miyabayashi, K., Miyata, H., Mizuk, R., Mohanty, G. B., Moon, H. K., Mori, T., Mussa, R., Nakao, M., Nanut, T., Nath, K. J., Natkaniec, Z., Nayak, M., Nisar, N. K., Nishida, S., Ogawa, S., Okuno, S., Ono, H., Ozaki, H., Pakhlov, P., Pakhlova, G., Pal, B., Pardi, S., Park, H., Paul, S., Pedlar, T. K., Pestotnik, R., Piilonen, L. E., Popov, V., Prencipe, E., Rabusov, A., Ritter, M., Rostomyan, A., Russo, G., Sakai, Y., Salehi, M., Sandilya, S., Santelj, L., Sanuki, T., Savinov, V., Schneider, O., Schnell, G., Schwanda, C., Seino, Y., Senyo, K., Sevior, M. E., Shebalin, V., Shen, C. P., Shibata, T. A., Shiu, J. G., Shwartz, B., Simon, F., Singh, J. B., Sokolov, A., Solovieva, E., Starič, M., Strube, J. F., Sumihama, M., Sumiyoshi, T., Sutcliffe, W., Takizawa, M., Tamponi, U., Tanida, K., Tenchini, F., Uchida, M., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Usov, Y., Vahsen, S. E., Van Hulse, C., Van Tonder, R., Varner, G., Vinokurova, A., Vorobyev, V., Vossen, A., Wang, B., Wang, C. H., Watanabe, M., Watanuki, S., Widmann, E., Won, E., Ye, Hua, Yin, J. H., Yuan, C. Z., Zhang, Z. P., Zhilich, V., Zhukova, V., Zhulanov, V., and Zupanc, A.
Subjects: Upsilon(10570): electroproduction, B: pair production, +p+Antilambda+K%2B+K%22">B+ --> p Antilambda K+ K, High Energy Physics::Phenomenology, B+: branching ratio: measured, BELLE, electron positron: colliding beams, electron positron: annihilation, 10.58 GeV-cms, decay modes, +anti-p+Lambda+K%2B+K%22">B+ --> anti-p Lambda K+ K, final state: (0charm), KEK-B, B+: hadronic decay, High Energy Physics::Experiment, Phi(1020): intermediate state, Astrophysics::Galaxy Astrophysics, eta(958): intermediate state, experimental results
Abstract: We report the study of $B^{+} \rightarrow p\bar{\Lambda} K^+ K^-$ and $B^{+} \rightarrow \bar{p}\Lambda K^+ K^+$ using a $772 \times 10^6$ $B\bar{B}$ pair data sample recorded on the $\Upsilon({\rm 4S})$ resonance with the Belle detector at KEKB. These include the observations of decay modes with the corresponding branching fractions $\mathcal{B}$($B^{+} \rightarrow p\bar{\Lambda} K^+ K^-$ ) $=$ $(4.22^{+0.45}_{-0.44}\pm 0.51)\times10^{-6}$, $\mathcal{B}$($B^{+} \rightarrow \bar{p}\Lambda K^+ K^+$) $=$ $(3.81^{+0.39}_{-0.37} \pm 0.45)\times 10^{-6}$, $\mathcal{B}$($\eta_c \rightarrow p \bar{\Lambda} K^-$) $=$ $(2.9^{+0.4}_{-0.3}\pm 0.4)\times10^{-3}$ and $\mathcal{B}$($B^{+} \rightarrow p\bar{\Lambda} \phi$) $=$ $(0.818 \pm 0.215 \pm 0.078)\times10^{-6}$, where $\mathcal{B}$ denotes the decay branching fraction and the intermediate resonance decays are excluded in the four-body decay measurements.
Published: 2018
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38. Observation of $\Xi(1620)^0$ and evidence for $\Xi(1690)^0$ in $\Xi_c^+ \rightarrow \Xi^-\pi^+\pi^+$ decays

Author: Sumihama, M., Adachi, I., Badhrees, I., Matsuda, T., Matvienko, D., Merola, M., Miyabayashi, K., Miyata, H., Mizuk, R., Mohanty, G. B., Moon, H. K., Mori, T., Mussa, R., Bahinipati, S., Nakano, E., Nakano, T., Nakao, M., Nanut, T., Nath, K. J., Natkaniec, Z., Niiyama, M., Nisar, N. K., Nishida, S., Ono, H., Bakich, A. M., Pakhlov, P., Pakhlova, G., Pal, B., Pardi, S., Park, H., Paul, S., Pedlar, T. K., Pestotnik, R., Piilonen, L. E., Popov, V., Bansal, V., Ritter, M., Russo, G., Sahoo, D., Sandilya, S., Santelj, L., Sanuki, T., Savinov, V., Schneider, O., Schnell, G., Schwanda, C., Beleño, C., Seino, Y., Senyo, K., Sevior, M. E., Shebalin, V., Shen, C. P., Shibata, T.-A., Shiu, J.-G., Shwartz, B., Simon, F., Sokolov, A., Berger, M., Solovieva, E., Starič, M., Strube, J. F., Sumiyoshi, T., Takizawa, M., Tamponi, U., Tanida, K., Taniguchi, N., Tenchini, F., Uchida, M., Bhardwaj, V., Uglov, T., Uno, S., Urquijo, P., Vahsen, S. E., Van Hulse, C., Varner, G., Vorobyev, V., Vossen, A., Wang, B., Wang, C. H., Bhuyan, B., Wang, M.-Z., Wang, P., Wang, X. L., Watanabe, M., Watanuki, S., Widmann, E., Won, E., Ye, H., Yelton, J., Yuan, C. Z., Bilka, T., Yusa, Y., Zakharov, S., Zhang, Z. P., Zhilich, V., Zhukova, V., Zhulanov, V., Belle Collaboration, Biswal, J., Ahn, J. K., Bonvicini, G., Bozek, A., Bračko, M., Browder, T. E., Červenkov, D., Chekelian, V., Chen, A., Cheon, B. G., Chilikin, K., Cho, K., Aihara, H., Choi, S.-K., Choi, Y., Choudhury, S., Cinabro, D., Cunliffe, S., Czank, T., Dash, N., Di Carlo, S., Doležal, Z., Dong, T. V., Al Said, S., Drásal, Z., Eidelman, S., Epifanov, D., Fast, J. E., Fulsom, B. G., Garg, R., Gaur, V., Gabyshev, N., Garmash, A., Gelb, M., Asner, D. M., Giri, A., Goldenzweig, P., Guido, E., Haba, J., Hayasaka, K., Hayashii, H., Hirose, S., Hou, W.-S., Inami, K., Inguglia, G., Atmacan, H., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Jacobs, W. W., Jeon, H. B., Jia, S., Jin, Y., Joo, K. K., Julius, T., Aushev, T., Kaliyar, A. B., Kang, K. H., Karyan, G., Kato, Y., Kiesling, C., Kim, D. Y., Kim, J. B., Kim, K. T., Kim, S. H., Kinoshita, K., Ayad, R., Kodyš, P., Korpar, S., Kotchetkov, D., Križan, P., Kroeger, R., Krokovny, P., Kumar, R., Kuzmin, A., Kwon, Y.-J., Lange, J. S., Babu, V., Lee, I. S., Lee, S. C., Li, L. K., Li, Y. B., Li Gioi, L., Libby, J., Liventsev, D., Lubej, M., Luo, T., Masuda, M., Laboratoire de l'Accélérateur Linéaire (LAL), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Belle, and Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)
Subjects: Xi(1630): hadronic decay, +Xi-+pi%2B%22">Xi(1630) --> Xi- pi+, Xi/c+: hadronic decay, (Xi- pi) [mass spectrum], BELLE, annihilation [electron positron], electron positron: annihilation, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], Xi(1690), hyperon, S045:Desig=24, S045:Desig=25, High Energy Physics - Experiment, width [mass], mass: width, strangeness, KEK-B, hadronic decay [Xi/c+], [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], ddc:530, +Xi-+2pi%2B%22">Xi/c+ --> Xi- 2pi+, structure, Xi(1630): mass: measured, Nuclear Experiment, hadronic decay [Xi(1630)], Nuclear Physics, mass: measured [Xi(1630)], electron positron: colliding beams, baryon, Xi(1630): width, mass spectrum: (Xi- pi), colliding beams [electron positron], High Energy Physics::Experiment, width [Xi(1630)], experimental results
Abstract: We report the first observation of the doubly-strange baryon $\Xi(1620)^0$ in its decay to $\Xi^-\pi^+$ via $\Xi_c^+ \rightarrow \Xi^- \pi^+ \pi^+$ decays based on a $980\,{\rm fb}^{-1}$ data sample collected with the Belle detector at the KEKB asymmetric-energy $e^+ e^-$ collider. The mass and width are measured to be 1610.4 $\pm$ 6.0 (stat) $^{+5.9}_{-3.5}$ (syst)~MeV$/c^2$ and 59.9 $\pm$ 4.8 (stat) $^{+2.8}_{-3.0}$ (syst)~MeV, respectively. We obtain 4.0$\sigma$ evidence of the $\Xi(1690)^0$ with the same data sample. These results shed light on the structure of hyperon resonances with strangeness $S=-2$., Comment: 6 pages, 3 figures, To be submitted to Phys. Rev. Lett
Published: 2018
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39. Search for $CP$ violation with Kinematic Asymmetries in the $D^{0}\rightarrow K^{+}K^{-}\pi^{+}\pi^{-}$ Decay

Author: Kim, J. B., Won, E., Adachi, I., Aihara, H., Al Said, S., Asner, D. M., Atmacan, H., Aulchenko, V., Aushev, T., Babu, V., Badhrees, I., Bahinipati, S., Bakich, A. M., Bansal, V., Behera, P., Beleño, C., Bhuyan, B., Bilka, T., Biswal, J., Bobrov, A., Bozek, A., Bračko, M., Cao, L., Červenkov, D., Chang, P., Chekelian, V., Chen, A., Cheon, B. G., Chilikin, K., Cho, K., Choi, S.-K., Choi, Y., Cinabro, D., Cunliffe, S., Dash, N., Di Carlo, S., Doležal, Z., Dong, T. V., Eidelman, S., Epifanov, D., Fast, J. E., Ferber, T., Frey, A., Fulsom, B. G., Garg, R., Gaur, V., Gabyshev, N., Garmash, A., Gelb, M., Giri, A., Goldenzweig, P., Greenwald, D., Guan, Y., Haba, J., Hara, T., Hayasaka, K., Hayashii, H., Hou, W.-S., Iijima, T., Inami, K., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Jia, S., Jin, Y., Joffe, D., Karyan, G., Kawasaki, T., Kichimi, H., Kiesling, C., Kim, D. Y., Kim, H. J., Kim, S. H., Kinoshita, K., Kodyš, P., Korpar, S., Kotchetkov, D., Križan, P., Kroeger, R., Krokovny, P., Kulasiri, R., Kuzmin, A., Kwon, Y.-J., Lai, Y.-T., Lalwani, K., Lange, J. S., Lee, I. S., Lee, J. K., Lee, J. Y., Lee, S. C., Li, C. H., Li, L. K., Li, Y. B., Li Gioi, L., Libby, J., Liptak, Z., Liventsev, D., Lu, P.-C., Lubej, M., Luo, T., MacNaughton, J., Masuda, M., Matsuda, T., Matvienko, D., Merola, M., Miyabayashi, K., Mizuk, R., Mohanty, G. B., Moon, H. K., Mori, T., Mrvar, M., Mussa, R., Nakano, E., Nakao, M., Nath, K. J., Nayak, M., Nisar, N. K., Nishida, S., Ogawa, S., Pakhlova, G., Pal, B., Pardi, S., Park, H., Paul, S., Pedlar, T. K., Pestotnik, R., Piilonen, L. E., Popov, V., Prasanth, K., Prencipe, E., Rabusov, A., Resmi, P. K., Ritter, M., Rostomyan, A., Russo, G., Sakai, Y., Salehi, M., Sandilya, S., Santelj, L., Sanuki, T., Savinov, V., Schneider, O., Schnell, G., Schwanda, C., Seino, Y., Senyo, K., Seon, O., Shen, C. P., Shibata, T.-A., Shiu, J.-G., Solovieva, E., Starič, M., Strube, J. F., Sumihama, M., Sumiyoshi, T., Sutcliffe, W., Takizawa, M., Tanida, K., Tao, Y., Tenchini, F., Uchida, M., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Van Tonder, R., Varner, G., Wang, B., Wang, C. H., Wang, M.-Z., Wang, P., Wang, X. L., Widmann, E., Yamamoto, H., Yang, S. B., Ye, H., Yuan, C. Z., Yusa, Y., Zhang, Z. P., Zhilich, V., Zhukova, V., and Zhulanov, V.
Subjects: High Energy Physics::Phenomenology, partial wave, interference, BELLE, electron positron: colliding beams, electron positron: annihilation, D0: hadronic decay, asymmetry: CP, KEK-B, K: pair production, kinematics, CP: violation, High Energy Physics::Experiment, +K%2B+K-+pi%2B+pi%22">D0 --> K+ K- pi+ pi, D0: rare decay, pi: pair production, pseudoscalar, experimental results
Abstract: We search for $CP$ violation in the singly-Cabibbo-suppressed decay $D^{0}\rightarrow K^{+}K^{-}\pi^{+}\pi^{-}$ using data corresponding to an integrated luminosity of $988\text{ }{\rm fb}^{-1}$ collected by the Belle detector at the KEKB $e^{+}e^{-}$ collider. We measure a set of five kinematically dependent $CP$ asymmetries, of which four asymmetries are measured for the first time. The set of asymmetry measurements can be sensitive to $CP$ violation via interference between the different partial-wave contributions to the decay and performed on other pseudoscalar decays. We find no evidence of $CP$ violation.
Published: 2018
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40. Search for the Lepton-Flavor-Violating Decay $B^{0}\to K^{\ast 0} \mu^{\pm} e^{\mp}$

Author: Sandilya, S., Trabelsi, K., Schwartz, A. J., Adachi, I., Aihara, H., Al Said, S., Asner, D. M., Atmacan, H., Aulchenko, V., Aushev, T., Ayad, R., Babu, V., Badhrees, I., Bahinipati, S., Bakich, A. M., Bansal, V., Behera, P., Beleño, C., Bhardwaj, V., Bhuyan, B., Bilka, T., Biswal, J., Bobrov, A., Bozek, A., Bračko, M., Browder, T. E., Cao, L., Červenkov, D., Chang, P., Chekelian, V., Chen, A., Cheon, B. G., Chilikin, K., Cho, K., Choi, S.-K., Choi, Y., Choudhury, S., Cinabro, D., Cunliffe, S., Dash, N., Di Carlo, S., Dingfelder, J., Doležal, Z., Dong, T. V., Drásal, Z., Eidelman, S., Epifanov, D., Fast, J. E., Ferber, T., Fulsom, B. G., Garg, R., Gaur, V., Gabyshev, N., Garmash, A., Gelb, M., Giri, A., Goldenzweig, P., Golob, B., Greenwald, D., Guan, Y., Haba, J., Hara, T., Hayasaka, K., Hayashii, H., Hirose, S., Hou, W.-S., Hsu, C.-L., Iijima, T., Inami, K., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Jacobs, W. W., Jaegle, I., Jeon, H. B., Jia, S., Jin, Y., Joffe, D., Joo, K. K., Julius, T., Kaliyar, A. B., Kang, K. H., Kawasaki, T., Kichimi, H., Kiesling, C., Kim, D. Y., Kim, J. B., Kim, K. T., Kim, S. H., Kinoshita, K., Kodyš, P., Korpar, S., Kotchetkov, D., Križan, P., Kroeger, R., Krokovny, P., Kuhr, T., Kulasiri, R., Kumar, R., Kuzmin, A., Kwon, Y.-J., Lange, J. S., Lee, I. S., Lee, S. C., Li, L. K., Li, Y. B., Li Gioi, L., Libby, J., Liventsev, D., Lubej, M., Masuda, M., Matsuda, T., Matvienko, D., Merola, M., Miyabayashi, K., Miyata, H., Mizuk, R., Mohanty, G. B., Moon, H. K., Mori, T., Mussa, R., Nakano, E., Nakao, M., Nanut, T., Nath, K. J., Natkaniec, Z., Nayak, M., Niiyama, M., Nisar, N. K., Nishida, S., Ogawa, K., Ogawa, S., Ono, H., Pakhlov, P., Pakhlova, G., Pal, B., Pardi, S., Paul, S., Pedlar, T. K., Pestotnik, R., Piilonen, L. E., Popov, V., Prasanth, K., Prencipe, E., Purohit, M. V., Rabusov, A., Resmi, P. K., Rostomyan, A., Russo, G., Sahoo, D., Sakai, Y., Salehi, M., Santelj, L., Sanuki, T., Savinov, V., Schneider, O., Schnell, G., Schwanda, C., Seino, Y., Senyo, K., Seon, O., Sevior, M. E., Shen, C. P., Shibata, T.-A., Shiu, J.-G., Shwartz, B., Singh, J. B., Sokolov, A., Solovieva, E., Starič, M., Strube, J. F., Sumihama, M., Sumisawa, K., Sumiyoshi, T., Sutcliffe, W., Takizawa, M., Tamponi, U., Tanida, K., Tenchini, F., Uchida, M., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Ushiroda, Y., Usov, Y., Van Hulse, C., Van Tonder, R., Varner, G., Vinokurova, A., Vorobyev, V., Waheed, E., Wang, B., Wang, C. H., Wang, M.-Z., Wang, P., Wang, X. L., Watanuki, S., Wehle, S., Widmann, E., Won, E., Yamamoto, H., Ye, H., Yin, J. H., Yuan, C. Z., Yusa, Y., Zhang, Z. P., Zhilich, V., Zhukova, V., Zhulanov, V., and Zupanc, A.
Subjects: Upsilon(10570): electroproduction, KEK-B, B: pair production, +K*%28892%290+muon-+positron%22">B0 --> K*(892)0 muon- positron, B0: branching ratio: upper limit, +K*%28892%290+muon%2B+electron%29%22">B0 --> K*(892)0 muon+ electron), BELLE, electron positron: colliding beams, electron positron: annihilation, B0: semileptonic decay, 10.58 GeV-cms, experimental results
Abstract: We have searched for the lepton-flavor-violating decay $B^{0}\to K^{\ast 0} \mu^{\pm} e^{\mp}$ using a data sample of 711~\invfb that contains $772 \times 10^{6}$ $B\bar{B}$ pairs. The data were collected near the \Y4S resonance with the Belle detector at the KEKB asymmetric-energy $e^{+}e^{-}$ collider. No signals were observed, and we set 90\% confidence level upper limits on the branching fractions of ${\cal B}(B^{0}\to K^{\ast 0} \mu^{+} e^{-})< 1.2\times 10^{-7}$, ${\cal B}(B^{0}\to K^{\ast 0} \mu^{-} e^{+})< 1.6\times 10^{-7}$, and, for both decays combined, ${\cal B}(B^{0}\to K^{\ast 0} \mu^{\pm} e^{\mp}) < 1.8\times 10^{-7}$. These are the most stringent limits on these decays to date.
Published: 2018
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41. Observation of $\Upsilon(2S)\to\gamma \eta_{b}(1S)$ decay

Author: Fulsom, B. G., Pedlar, T. K., Babu, V., Libby, J., Liventsev, D., Lubej, M., Luo, T., Masuda, M., Matsuda, T., Matvienko, D., Merola, M., Miyabayashi, K., Miyata, H., Badhrees, I., Mizuk, R., Mohanty, G. B., Moon, H. K., Mori, T., Mussa, R., Nakao, M., Nanut, T., Nath, K. J., Natkaniec, Z., Nayak, M., Bakich, A. M., Niiyama, M., Nisar, N. K., Nishida, S., Ogawa, S., Okuno, S., Ono, H., Pakhlov, P., Pakhlova, G., Pal, B., Pardi, S., Bansal, V., Park, H., Paul, S., Pestotnik, R., Piilonen, L. E., Popov, V., Prencipe, E., Rabusov, A., Ritter, M., Rostomyan, A., Russo, G., Behera, P., Sakai, Y., Salehi, M., Sandilya, S., Santelj, L., Sanuki, T., Savinov, V., Schneider, O., Schnell, G., Schwanda, C., Seino, Y., Beleño, C., Senyo, K., Sevior, M. E., Shebalin, V., Shen, C. P., Shibata, T.-A., Shiu, J.-G., Shwartz, B., Simon, F., Singh, J. B., Sokolov, A., Berger, M., Solovieva, E., Starič, M., Strube, J. F., Sumihama, M., Sumisawa, K., Sumiyoshi, T., Sutcliffe, W., Takizawa, M., Tamponi, U., Tanida, K., Bhardwaj, V., Tenchini, F., Uchida, M., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Vahsen, S. E., Van Hulse, C., Van Tonder, R., Varner, G., Bhuyan, B., Vinokurova, A., Vorobyev, V., Vossen, A., Wang, B., Wang, C. H., Wang, P., Wang, X. L., Watanabe, M., Watanuki, S., Widmann, E., Bilka, T., Won, E., Ye, H., Yin, J. H., Yuan, C. Z., Zhang, Z. P., Zhilich, V., Zhukova, V., Zhulanov, V., Zupanc, A., Belle Collaboration, Adachi, I., Biswal, J., Bondar, A., Bonvicini, G., Bozek, A., Bračko, M., Browder, T. E., Cao, L., Červenkov, D., Chekelian, V., Chen, A., Aihara, H., Cheon, B. G., Chilikin, K., Cho, K., Choi, S.-K., Choi, Y., Choudhury, S., Cinabro, D., Cunliffe, S., Dash, N., Di Carlo, S., Al Said, S., Dingfelder, J., Doležal, Z., Dong, T. V., Drásal, Z., Eidelman, S., Epifanov, D., Fast, J. E., Ferber, T., Garg, R., Gaur, V., Asner, D. M., Gabyshev, N., Garmash, A., Gelb, M., Giri, A., Goldenzweig, P., Guido, E., Haba, J., Hayasaka, K., Hayashii, H., Hirose, S., Atmacan, H., Hou, W.-S., Iijima, T., Inami, K., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Jacobs, W. W., Jeon, H. B., Aulchenko, V., Jia, S., Jin, Y., Joffe, D., Joo, K. K., Julius, T., Kawasaki, T., Kichimi, H., Kiesling, C., Kim, D. Y., Kim, H. J., Aushev, T., Kim, J. B., Kim, K. T., Kim, S. H., Kinoshita, K., Kodyš, P., Korpar, S., Kotchetkov, D., Križan, P., Kroeger, R., Krokovny, P., Ayad, R., Kuhr, T., Kulasiri, R., Kuzmin, A., Kwon, Y.-J., Lange, J. S., Lee, I. S., Lee, S. C., Li, L. K., Li, Y. B., Li Gioi, L., Laboratoire de l'Accélérateur Linéaire (LAL), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Belle, and Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)
Subjects: eta/b: mass: measured, Upsilon(10020): branching ratio: measured, M052:Desig=102, +eta%2Fb+photon%22">Upsilon(10020) --> eta/b photon, M171M, electroproduction [eta/b], photon: spectrum, eta/b: electroproduction, BELLE, annihilation [electron positron], mass: measured [eta/b], electron positron: annihilation, High Energy Physics - Experiment, radiative decay [Upsilon(10020)], KEK-B, Upsilon(10020): electroproduction, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Upsilon(10020): radiative decay, electroproduction [Upsilon(10020)], electron positron: colliding beams, spectrum [photon], Elementary Particles and Fields, branching ratio: measured [Upsilon(10020)], colliding beams [electron positron], M078:Desig=1, statistical, M077:Desig=1, experimental results
Abstract: We report the observation of $\Upsilon(2S)\to\gamma\eta_{b}(1S)$ decay based on analysis of the inclusive photon spectrum of $24.7$ fb$^{-1}$ of $e^+ e^-$ collisions at the $\Upsilon(2S)$ center-of-mass energy collected with the Belle detector at the KEKB asymmetric-energy $e^+ e^-$ collider. We measure a branching fraction of $\mathcal{B}(\Upsilon(2S)\to\gamma\eta_{b}(1S))=(6.1^{+0.6+0.9}_{-0.7-0.6})\times 10^{-4}$, and derive an $\eta_{b}(1S)$ mass of $9394.8^{+2.7+4.5}_{-3.1-2.7}$ MeV/$c^{2}$, where the uncertainties are statistical and systematic, respectively. The significance of our measurement is greater than 7 standard deviations, constituting the first observation of this decay mode.
Published: 2018
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42. Evidence of charged $\Xi_{c}(2930)$ and updated measurement of $B^{0} \to K^{0} \Lambda_{c}^{+} \bar{\Lambda}_{c}^{-}$ at Belle

Author: Li, Y. B., Shen, C. P., Adachi, I., Aihara, H., Al Said, S., Asner, D. M., Aushev, T., Ayad, R., Babu, V., Badhrees, I., Bahinipati, S., Ban, Y., Bansal, V., Behera, P., Beleño, C., Bhardwaj, V., Bhuyan, B., Biswal, J., Bobrov, A., Bozek, A., Bračko, M., Browder, T. E., Cao, L., Červenkov, D., Chang, P., Chekelian, V., Chen, A., Cheon, B. G., Chilikin, K., Cho, K., Choi, S.-K., Choi, Y., Choudhury, S., Cinabro, D., Cunliffe, S., Dash, N., Di Carlo, S., Dingfelder, J., Doležal, Z., Dong, T. V., Drásal, Z., Eidelman, S., Epifanov, D., Fast, J. E., Fulsom, B. G., Garg, R., Gaur, V., Gabyshev, N., Garmash, A., Gelb, M., Giri, A., Goldenzweig, P., Golob, B., Haba, J., Hayasaka, K., Hirose, S., Hou, W.-S., Iijima, T., Inami, K., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Jacobs, W. W., Jaegle, I., Jeon, H. B., Jia, S., Jin, Y., Joo, K. K., Kaliyar, A. B., Kang, K. H., Kato, Y., Kawasaki, T., Kim, D. Y., Kim, J. B., Kim, S. H., Kinoshita, K., Kodyš, P., Korpar, S., Kotchetkov, D., Križan, P., Kroeger, R., Krokovny, P., Kuhr, T., Kwon, Y.-J., Lange, J. S., Lee, I. S., Lee, S. C., Li, L. K., Li Gioi, L., Libby, J., Liventsev, D., Luo, T., Matvienko, D., Merola, M., Miyata, H., Mizuk, R., Moon, H. K., Mori, T., Mussa, R., Nakano, E., Nanut, T., Nath, K. J., Natkaniec, Z., Nayak, M., Nisar, N. K., Nishida, S., Nishimura, K., Ogawa, K., Okuno, S., Ono, H., Pakhlov, P., Pakhlova, G., Pal, B., Pardi, S., Park, H., Paul, S., Pedlar, T. K., Pestotnik, R., Piilonen, L. E., Popov, V., Prencipe, E., Rostomyan, A., Russo, G., Sakai, Y., Salehi, M., Sandilya, S., Santelj, L., Sanuki, T., Savinov, V., Schneider, O., Schnell, G., Schwanda, C., Seino, Y., Senyo, K., Seon, O., Sevior, M. E., Shibata, T.-A., Shiu, J.-G., Solovieva, E., Starič, M., Strube, J. F., Sumihama, M., Sumiyoshi, T., Takizawa, M., Tamponi, U., Tanida, K., Tenchini, F., Uchida, M., Uglov, T., Unno, Y., Uno, S., Usov, Y., Van Hulse, C., Van Tonder, R., Varner, G., Varvell, K. E., Vorobyev, V., Waheed, E., Wang, B., Wang, C. H., Wang, M.-Z., Wang, P., Wang, X. L., Watanuki, S., Widmann, E., Won, E., Ye, H., Yelton, J., Yin, J. H., Yuan, C. Z., Yusa, Y., Zhang, Z. P., Zhilich, V., Zhukova, V., and Zhulanov, V.
Subjects: Upsilon(10570): electroproduction, B: pair production, branching ratio: upper limit, BELLE, electron positron: colliding beams, electron positron: annihilation, electron positron: energy, Xi/c(2930): mass: measured, spin, Xi/c(2930): branching ratio, mass spectrum: (Lambda/c+ Antilambda/c+), baryon, mass: width, KEK-B, B0: branching ratio: measured, +K0%28S%29+Lambda%2Fc%2B+Antilambda%2Fc%2B%22">B0 --> K0(S) Lambda/c+ Antilambda/c+, Xi/c(2930): electroproduction, +K0%28S%29+Lambda%2Fc%2B%22">Xi/c(2930) --> K0(S) Lambda/c+, High Energy Physics::Experiment, Xi/c(2930): hadronic decay, structure, Nuclear Experiment, energy: asymmetry, Y(4660): branching ratio, experimental results
Abstract: We report evidence for the charged charmed-strange baryon $\Xi_{c}(2930)$ with a signal significance of 3.9$\sigma$. The charged $\Xi_{c}(2930)$ is found in its decay to $K_{S}^{0} \Lambda_{c}$ in the substructure of $B^{0} \to K^{0}_{S} \Lambda_{c}^{+} \bar{\Lambda}_{c}^{-}$ decays. The measured mass and width are $[2942.3 \pm 4.4 (\rm stat.) \pm 1.6(\rm syst.)]$~MeV/$c^{2}$ and $[14.8 \pm 8.8(\rm stat.) \pm 7.1(\rm syst.)]$~MeV, respectively, and the product branching fraction is ${\cal B}(B^{0} \to \Xi_{c}^{+}(2930) \bar{\Lambda}_{c}^{-}) {\cal B}(\Xi_{c}^{+}(2930)\to K^{0} \Lambda_{c}^{+})=[2.28 \pm 0.49(\rm stat.) \pm 0.29(\rm syst.)]\times 10^{-4}$. We also measure ${\cal B}(B^{0} \to K^{0} \Lambda_{c}^{+} \bar{\Lambda}_{c}^{-}) = [3.84 \pm 0.73(\rm stat.) \pm 0.48(\rm syst.)] \times 10^{-4}$ with greater precision than previous experiments, and present the results of a search for the charmonium-like state $Y(4660)$ and its spin partner, $Y_{\eta}$, in the $\Lambda_{c}^{+}\bar{\Lambda}_{c}^{-}$ invariant mass spectrum. No clear signals of the $Y(4660)$ or $Y_{\eta}$ are observed and the 90\% credibility level (C.L.) upper limits on their production rates are determined. These measurements are obtained from a sample of $(772\pm11)\times 10^{6} B\bar{B}$ pairs collected at the $\Upsilon(4S)$ resonance by the Belle detector at the KEKB asymmetric energy electron-positron collider.
Published: 2018
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43. Measurement of $\cos{2\beta}$ in $B^{0} \to D^{(*)} h^{0}$ with $D \to K_{S}^{0} \pi^{+} \pi^{-}$ decays by a combined time-dependent Dalitz plot analysis of BaBar and Belle data

Author: Adachi, I., Adye, T., Ahmed, H., Ahn, J. K., Aihara, H., Akar, S., Alam, M. S., Albert, J., Anulli, F., Arnaud, N., Asner, D. M., Aston, D., Atmacan, H., Aushev, T., Ayad, R., Badhrees, I., Bakich, A. M., Banerjee, Sw., Bansal, V., Barlow, R. J., Batignani, G., Beaulieu, A., Behera, P., Bellis, M., Ben-Haim, E., Bernard, D., Bernlochner, F. U., Bettarini, S., Bettoni, D., Bevan, A. J., Bhardwaj, V., Bhuyan, B., Bianchi, F., Biasini, M., Biswal, J., Blinov, V. E., Bomben, M., Bondar, A., Bonneaud, G. R., Bozek, A., Bozzi, C., Bračko, M., Browder, T. E., Brown, D. N., Bünger, C., Burchat, P. R., Buzykaev, A. R., Calabrese, R., Calcaterra, A., Calderini, G., Di Carlo, S., Carpinelli, M., Cartaro, C., Casarosa, G., Cenci, R., Chao, D. S., Chauveau, J., Cheaib, R., Chen, A., Chen, C., Cheng, C. H., Cheon, B. G., Chilikin, K., Cho, K., Choi, Y., Choudhury, S., Chrzaszcz, M., Cibinetto, G., Cinabro, D., Cochran, J., Coleman, J. P., Convery, M. R., Cowan, G., Cowan, R., Cremaldi, L., Cunliffe, S., Dash, N., Davier, M., Davis, C. L., De Mori, F., De Nardo, G., Denig, A. G., De Sangro, R., Dey, B., Di Lodovico, F., Dittrich, S., Doležal, Z., Dorfan, J., Drásal, Z., Druzhinin, V. P., Dunwoodie, W., Ebert, M., Echenard, B., Eidelman, S., Eigen, G., Eisner, A. M., Emery, S., Epifanov, D., Ernst, J. A., Faccini, R., Fast, J. E., Feindt, M., Ferrarotto, F., Ferroni, F., Field, R. C., Filippi, A., Finocchiaro, G., Fioravanti, E., Flood, K. T., Forti, F., Fritsch, M., Fulsom, B. G., Gabathuler, E., Gamba, D., Garg, R., Garmash, A., Gary, J. W., Garzia, I., Gaur, V., Gaz, A., Gelb, M., Gershon, T. J., Li Gioi, L., Giorgi, M. A., Giri, A., Godang, R., Goldenzweig, P., Golob, B., Golubev, V. B., Gorodeisky, R., Gradl, W., Graham, M. T., Grauges, E., Griessinger, K., Gritsan, A. V., Grünberg, O., Guido\TAGbel And, E., Guttman, N., Hafner, A., Hara, T., Harrison, P. F., Hast, C., Hayasaka, K., Hearty, C., Heck, M., Hedges, M. T., Heß, M., Hirose, S., Hitlin, D. G., Honscheid, K., Hou, W.-S., Huard, Z., Van Hulse, C., Hutchcroft, D. E., Inami, K., Inguglia, G., Innes, W. R., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Izen, J. M., Jacobs, W. W., Jawahery, A., Jessop, C. P., Jia, S., Jin, Y., Joo, K. K., Julius, T., Kaliyar, A. B., Kang, K. H., Karyan, G., Kass, R., Kichimi, H., Kim, D. Y., Kim, J. B., Kim, K. T., Kim, S. H., Kim, J., Kim, P., King, G. J., Kinoshita, K., Koch, H., Kodyš, P., Kolomensky, Yu. G., Korpar, S., Kotchetkov, D., Kowalewski, R., Kravchenko, E. A., Križan, P., Kroeger, R., Krokovny, P., Kuhr, T., Kulasiri, R., Kuzmin, A., Kwon, Y.-J., Lacker, H. M., Lafferty, G. D., Lanceri, L., Lange, J. S., Lange, D. J., Lankford, A. J., Latham, T. E., Leddig, T., Le Diberder, F., Lee, I. S., Lee, S. C., Lees, J. P., Leith, D. W. G. S., Li, L. K., Li, Y. B., Li, Y., Libby, J., Liventsev, D., Lockman, W. S., Long, O., LoSecco, J. M., Lou, X. C., Lubej, M., Lueck, T., Luitz, S., Luo, T., Luppi, E., Lusiani\TAGbbr, A., Lutz, A. M., MacFarlane, D. B., MacNaughton, J., Mallik, U., Manoni\TAGbbr And, E., Marchiori, G., Margoni, M., Martellotti, S., Martinez-Vidal, F., Masuda, M., Matsuda, T., Mattison, T. S., Matvienko, D., McKenna, J. A., Meadows, B. T., Merola\TAGbel, M., Miyabayashi, K., Miyashita, T. S., Miyata, H., Mizuk, R., Mohanty, G. B., Mori, T., Muller, D. R., Müller, T., Mussa\TAGbel And, R., Nakano, E., Nakao, M., Nanut, T., Nath, K. J., Nayak, M., Neal, H., Neri, N., Nisar, N. K., Nishida, S., Nugent, I. M., Oberhof, B., Ocariz, J., Ogawa, S., Ongmongkolkul, P., Ono, H., Onuchin, A. P., Oyanguren, A., Pakhlov, P., Pakhlova, G., Pal, B., Palano, A., Palombo, F., Panduro Vazquez, W., Paoloni, E., Pardi\TAGbel And, S., Park, H., Passaggio, S., Patrignani, C., Patteri, P., Paul, S., Pavelkin, I., Payne, D. J., Pedlar, T. K., Peimer, D. R., Peruzzi, I. M., Piccolo, M., Piilonen, L. E., Pilloni, A., Piredda, G., Poireau, V., Porter, F. C., Posocco, M., Prell, S., Prepost, R., Puccio, E. M. T., Purohit, M. V., Pushpawela, B. G., Rama, M., Randle-Conde, A., Ratcliff, B. N., Raven, G., Resmi, P. K., Ritchie, J. L., Ritter, M., Rizzo, G., Roberts, D. A., Robertson, S. H., Röhrken, M., Roney, J. M., Roodman, A., Rossi\TAGbbr And, A., Rotondo, M., Rozanska, M., Russo\TAGbel And, G., Sacco, R., Al Said, S., Sakai, Y., Sandilya, S., Santelj, L., Santoro, V., Sanuki, T., Savinov, V., Schneider, O., Schnell, G., Schroeder, T., Schubert, K. R., Schwanda, C., Schwartz, A. J., Schwitters, R. F., Sciacca, C., Seddon, R. M., Seino, Y., Sekula, S. J., Senyo, K., Seon, O., Serednyakov, S. I., Sevior, M. E., Shebalin, V., Shibata, T.-A., Shimizu, N., Shiu, J.-G., Simi, G., Simon, F., Simonetto, F., Skovpen, Yu. I., Smith, J. G., Smith, A. J. S., So, R. Y., Sobie, R. J., Soffer, A., Sokoloff, M. D., Solodov, E. P., Solovieva, E., Spanier, S. M., Starič, M., Stroili, R., Sullivan, M. K., Sumisawa, K., Sumiyoshi, T., Summers, D. J., Sun, L., Takizawa, M., Tamponi\TAGbel And, U., Tanida, K., Taras, P., Tasneem, N., Tenchini, F., Tisserand, V., Todyshevx, K. Yu., Touramanis, C., Uchida, M., Uglov, T., Unno, Y., Uno, S., Vahsen, S. E., Varner, G., Vasseur, G., Va'vra, J., Červenkov, D., Verderi, M., Vitale, L., Vorobyev, V., Voß, C., Wagner, S. R., Waheed, E., Waldi, R., Walsh, J. J., Wang, B., Wang, C. H., Wang, M.-Z., Wang, P., Wilson, F. F., Wilson, J. R., Wisniewski, W. J., Won, E., Wormser, G., Wright, D. M., Wu, S. L., Yuan, C. Z., Yusa, Y., Zakharov, S., Zallo, A., Zani, L., Zhang, Z. P., Zhilich, V., Zhukova, V., Zhulanov, V., and Zupanc, A.
Subjects: B0: hadronic decay, Upsilon(10570): electroproduction, B: pair production, Dalitz plot, D: hadronic decay, BELLE, amplitude analysis, electron positron: colliding beams, electron positron: annihilation, SLAC PEP Stor, B-factory, asymmetry: CP, +D+eta%22">B0 --> D eta, 10.57 GeV-cms, KEK-B, BaBar, CP: violation, time dependence, +D+omega%28783%29%22">B0 --> D omega(783), +D+pi0%22">B0 --> D pi0, CKM matrix: unitarity, +K0%28S%29+pi%2B+pi%22">D --> K0(S) pi+ pi, experimental results
Abstract: We report measurements of $\sin{2\beta}$ and $\cos{2\beta}$ from a time-dependent Dalitz plot analysis of $B^{0} \to D^{(*)} h^{0}$ with $D \to K_{S}^{0} \pi^{+} \pi^{-}$ decays, where the light unflavored and neutral hadron $h^{0}$ is a $\pi^{0}$, $\eta$, or $\omega$ meson. The analysis is performed with a combination of the final data sets of the \babar\ and Belle experiments containing $471 \times 10^{6}$ and $772 \times 10^{6}$ $B\bar{B}$ pairs collected at the $\Upsilon\left(4S\right)$ resonance at the asymmetric-energy B factories PEP-II at SLAC and KEKB at KEK, respectively. We measure $\sin{2\beta} = 0.80 \pm 0.14 \,(\rm{stat.}) \pm 0.06 \,(\rm{syst.}) \pm 0.03 \,(\rm{model})$ and $\cos{2\beta} = 0.91 \pm 0.22 \,(\rm{stat.}) \pm 0.09 \,(\rm{syst.}) \pm 0.07 \,(\rm{model})$. The result for the direct measurement of the angle is $\beta = \left( 22.5 \pm 4.4 \,(\rm{stat.}) \pm 1.2 \,(\rm{syst.}) \pm 0.6 \,(\rm{model}) \right)^{\circ}$. The last quoted uncertainties are due to the composition of the $D^{0} \to K_{S}^{0} \pi^{+} \pi^{-}$ decay amplitude model, which is newly established by a Dalitz plot amplitude analysis of a high-statistics $e^{+}e^{-} \to c\bar{c}$ data sample as part of this analysis. We find the first evidence for $\cos2\beta>0$ at the level of $3.7$ standard deviations. The measurement excludes the trigonometric multifold solution $\pi/2 - \beta = (68.1 \pm 0.7)^{\circ}$ at the level of $7.3$ standard deviations and therefore resolves an ambiguity in the determination of the apex of the CKM Unitarity Triangle. The hypothesis of $\beta = 0^{\circ}$ is ruled out at the level of $5.1$ standard deviations, and thus CP violation is observed in $B^{0} \to D^{(*)} h^{0}$ decays.
Published: 2018
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44. Observation of $e^+e^-\to\pi^+\pi^-\pi^0\chi_{b1,2}(1P)$ and search for $e^+e^-\to\phi\chi_{b1,2}(1P)$ at $\sqrt{s}=$ 10.96—11.05 GeV

Author: Yin, J. H., Yuan, C. Z., Badhrees, I., Lubej, M., Luo, T., Masuda, M., Matsuda, T., Matvienko, D., Merola, M., Miyata, H., Mizuk, R., Mohanty, G. B., Moon, H. K., Bahinipati, S., Mori, T., Mussa, R., Nakano, E., Nanut, T., Nath, K. J., Natkaniec, Z., Nayak, M., Niiyama, M., Nisar, N. K., Nishida, S., Bakich, A. M., Nishimura, K., Ogawa, K., Ogawa, S., Ono, H., Pakhlov, P., Pakhlova, G., Pal, B., Pardi, S., Park, H., Paul, S., Bansal, V., Pedlar, T. K., Pestotnik, R., Piilonen, L. E., Popov, V., Prencipe, E., Rostomyan, A., Russo, G., Sahoo, D., Sakai, Y., Salehi, M., Behera, P., Sandilya, S., Santelj, L., Sanuki, T., Savinov, V., Schneider, O., Schnell, G., Schwanda, C., Seino, Y., Senyo, K., Seon, O., Beleño, C., Sevior, M. E., Shen, C. P., Shibata, T.-A., Shiu, J.-G., Shwartz, B., Simon, F., Sokolov, A., Solovieva, E., Starič, M., Sumiyoshi, T., Bhuyan, B., Sutcliffe, W., Takizawa, M., Tamponi, U., Tanida, K., Tenchini, F., Uchida, M., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Bilka, T., Van Hulse, C., Van Tonder, R., Varner, G., Vinokurova, A., Vorobyev, V., Wang, B., Wang, C. H., Wang, M.-Z., Wang, P., Wang, X. L., Biswal, J., Watanuki, S., Widmann, E., Won, E., Yamamoto, H., Ye, H., Yusa, Y., Zhang, Z. P., Zhilich, V., Zhukova, V., Zhulanov, V., Bobrov, A., Belle Collaboration, Adachi, I., Bozek, A., Bračko, M., Browder, T. E., Cao, L., Červenkov, D., Chang, P., Chekelian, V., Chen, A., Cheon, B. G., Chilikin, K., Aihara, H., Cho, K., Choi, S.-K., Choi, Y., Choudhury, S., Cinabro, D., Cunliffe, S., Dash, N., Di Carlo, S., Dingfelder, J., Doležal, Z., Al Said, S., Dong, T. V., Drásal, Z., Eidelman, S., Epifanov, D., Fast, J. E., Ferber, T., Fulsom, B. G., Garg, R., Gaur, V., Gabyshev, N., Asner, D. M., Garmash, A., Gelb, M., Giri, A., Goldenzweig, P., Golob, B., Haba, J., Hayasaka, K., Hayashii, H., Hirose, S., Hou, W.-S., Aulchenko, V., Iijima, T., Inami, K., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Jacobs, W. W., Jaegle, I., Jeon, H. B., Aushev, T., Jia, S., Jin, Y., Joffe, D., Joo, K. K., Julius, T., Kang, K. H., Kawasaki, T., Kiesling, C., Kim, D. Y., Kim, J. B., Ayad, R., Kim, K. T., Kim, S. H., Kinoshita, K., Kodyš, P., Korpar, S., Kotchetkov, D., Križan, P., Kroeger, R., Krokovny, P., Kuhr, T., Babu, V., Kulasiri, R., Kwon, Y.-J., Lange, J. S., Lee, I. S., Lee, S. C., Li, L. K., Li, Y. B., Li Gioi, L., Libby, J., Liventsev, D., Laboratoire de l'Accélérateur Linéaire (LAL), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Belle, and Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)
Subjects: Born approximation, +pi%2B+pi-+pi0+chi+mesons%22">Upsilon(11020) --> pi+ pi- pi0 chi mesons, +Phi%281020%29+chi+mesons%22">electron positron --> Phi(1020) chi mesons, electroproduction [Upsilon(11020)], BELLE, annihilation [electron positron], +electron+positron%22">Upsilon(11020) --> electron positron, M092:Desig=41, electron positron: annihilation, 10.96-11.02 GeV-cms, channel cross section: upper limit, High Energy Physics - Experiment, energy dependence, KEK-B, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], tree approximation, ddc:530, branching ratio: measured [Upsilon(11020)], upper limit [channel cross section], statistical [error], electron positron: colliding beams, Upsilon(11020): branching ratio: measured, Upsilon(10870): electroproduction, error: statistical, electroproduction [Upsilon(10870)], +chi+mesons+pi%2B+pi-+pi0%22">electron positron --> chi mesons pi+ pi- pi0, Upsilon(11020): electroproduction, colliding beams [electron positron], chi mesons: electroproduction, M093:Desig=3, M093:Desig=4, M093:Desig=2, electroproduction [chi mesons], experimental results
Abstract: We report searches for the processes $e^+e^-\to\pi^+\pi^-\pi^0\chi_{bJ}$ and $e^+e^-\to\phi\chi_{bJ}$ (J=1,2) based on data samples collected by the Belle experiment at the KEKB collider. We report the first observation of the process $e^+e^-\to (\pi^+\pi^-\pi^0)_{\rm non-\omega}\chi_{b1}$ and first evidence for $e^+e^-\to\omega\chi_{bJ}$ in the vicinity of the $\Upsilon(11020)$ resonance, with center-of-mass energies from 10.96 to 11.05~GeV. The significances for $(\pi^+\pi^-\pi^0)_{\rm non-\omega}\chi_{b1}$ and $\omega\chi_{bJ}$ are greater than $5.3\sigma$ and $4.0\sigma$, respectively. We also investigate the energy dependence of the $e^+e^-\to\pi^+\pi^-\pi^0\chi_{bJ}$ cross section, but we cannot determine whether the contributions are from the $\Upsilon(10860)$ and $\Upsilon(11020)$ resonances or non-resonant continuum processes. The signals for $e^+e^-\to \phi\chi_{bJ}$ are not significant, and the upper limits of the Born cross sections at the 90\% confidence level are $0.7$ and $1.0$~pb for $e^+e^-\to \phi\chi_{b1}$ and $\phi\chi_{b2}$, respectively, for center-of-mass energies from 10.96 to 11.05~GeV., Comment: 8pages, 3 figures
Published: 2018
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45. First measurements of absolute branching fractions of $\Xi_c^0$ at Belle

Author: Li, Y. B., Shen, C. P., Yuan, C. Z., Adachi, I., Aihara, H., Al Said, S., Asner, D. M., Aushev, T., Ayad, R., Badhrees, I., Ban, Y., Bansal, V., Beleño, C., Berger, M., Bhardwaj, V., Bhuyan, B., Bilka, T., Biswal, J., Bondar, A., Bozek, A., Bračko, M., Cao, L., Červenkov, D., Chen, A., Cheon, B. G., Chilikin, K., Cho, K., Choi, S.-K., Choi, Y., Cinabro, D., Cunliffe, S., Di Carlo, S., Doležal, Z., Dong, T. V., Drásal, Z., Eidelman, S., Fast, J. E., Fulsom, B. G., Garg, R., Gaur, V., Gabyshev, N., Garmash, A., Giri, A., Goldenzweig, P., Greenwald, D., Grube, B., Hayasaka, K., Hayashii, H., Hsu, C.-L., Iijima, T., Inami, K., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Jacobs, W. W., Jia, S., Jin, Y., Joffe, D., Joo, K. K., Karyan, G., Kawasaki, T., Kichimi, H., Kim, D. Y., Kim, H. J., Kim, J. B., Kim, K. T., Kim, S. H., Kinoshita, K., Kodyš, P., Korpar, S., Kotchetkov, D., Križan, P., Kroeger, R., Krokovny, P., Kumita, T., Kuzmin, A., Kwon, Y.-J., Lee, J. Y., Lee, S. C., Li, L. K., Li Gioi, L., Libby, J., Liventsev, D., Lubej, M., MacNaughton, J., Masuda, M., Matsuda, T., Merola, M., Miyabayashi, K., Miyata, H., Mizuk, R., Mohanty, G. B., Mussa, R., Nakano, E., Nakao, M., Nath, K. J., Nayak, M., Niiyama, M., Nishida, S., Ono, H., Onuki, Y., Pakhlov, P., Pakhlova, G., Pal, B., Pardi, S., Park, S.-H., Paul, S., Pedlar, T. K., Pestotnik, R., Piilonen, L. E., Popov, V., Prencipe, E., Russo, G., Sakai, Y., Salehi, M., Sandilya, S., Santelj, L., Sanuki, T., Savinov, V., Schneider, O., Schnell, G., Schueler, J., Schwanda, C., Schwartz, A. J., Seino, Y., Senyo, K., Sevior, M. E., Shibata, T.-A., Shiu, J.-G., Shwartz, B., Solovieva, E., Starič, M., Sumihama, M., Sumiyoshi, T., Sutcliffe, W., Takizawa, M., Tanida, K., Tao, Y., Tenchini, F., Trabelsi, K., Uchida, M., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Van Tonder, R., Varner, G., Wang, B., Wang, C. H., Wang, M.-Z., Wang, P., Wang, X. L., Won, E., Yang, S. B., Ye, H., Yelton, J., Yin, J. H., Yusa, Y., Zhang, Z. P., Zhilich, V., and Zhukova, V.
Subjects: Upsilon(10570), KEK-B, branching ratio: measured, BELLE, missing-mass
Abstract: We present the first measurements of absolute branching fractions of $\Xi_c^0$ decays into $\Xi^- \pi^+$, $\Lambda K^- \pi^+$, and $p K^- K^- \pi^+$ final states. The measurements are made using a data set comprising $(772\pm 11)\times 10^{6}$ $B\bar{B}$ pairs collected at the $\Upsilon(4S)$ resonance with the Belle detector at the KEKB $e^+e^-$ collider. We first measure the absolute branching fraction for $B^- \to \bar{\Lambda}_c^- \Xi_c^0$ using a missing-mass technique, the result is ${\cal B}(B^- \to \bar{\Lambda}_c^- \Xi_c^0) = [9.51 \pm 2.10(\rm stat.) \pm 0.88(\rm syst.)] \times 10^{-4}$. We subsequently measure the product branching fractions ${\cal B}(B^- \to \bar{\Lambda}_c^- \Xi_c^0){\cal B}(\Xi_c^0 \to \Xi^- \pi^+)$, ${\cal B}(B^- \to \bar{\Lambda}_c^- \Xi_c^0) {\cal B}(\Xi_c^0 \to \Lambda K^- \pi^+)$, and ${\cal B}(B^- \to \bar{\Lambda}_c^- \Xi_c^0) {\cal B}(\Xi_c^0 \to p K^- K^- \pi^+)$ with improved precision. Dividing these product branching fractions by the result for $B^- \to \bar{\Lambda}_c^- \Xi_c^0$ yields the following branching fractions: ${\cal B}(\Xi_c^0 \to \Xi^- \pi^+)= [1.80 \pm 0.50(\rm stat.) \pm 0.14(\rm syst.)]\%$, ${\cal B}(\Xi_c^0 \to \Lambda K^- \pi^+)=[1.17 \pm 0.37(\rm stat.) \pm 0.09(\rm syst.)]\%$, and ${\cal B}(\Xi_c^0 \to p K^- K^- \pi^+)=[0.58 \pm 0.23(\rm stat.) \pm 0.05(\rm syst.)]\%$. Our result for ${\cal B}(\Xi_c^0 \to \Xi^- \pi^+)$ can be combined with $\Xi_c^0$ branching fractions measured relative to $\Xi_c^0 \to \Xi^- \pi^+$ to yield other absolute $\Xi_c^0$ branching fractions.
Published: 2018
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46. Search for the lepton-flavor-violating decay $B^{0}\to K^{\ast 0} \mu^{\pm} e^{\mp}$

Author: Belle Collaboration, Sandilya, S., Trabelsi, K., Schwartz, A. J., Adachi, I., Aihara, H., Said, S. Al, Asner, D. M., Atmacan, H., Aulchenko, V., Aushev, T., Ayad, R., Babu, V., Badhrees, I., Bahinipati, S., Bakich, A. M., Bansal, V., Behera, P., Beleño, C., Bhardwaj, V., Bhuyan, B., Bilka, T., Biswal, J., Bobrov, A., Bozek, A., Bračko, M., Browder, T. E., Cao, L., Červenkov, D., Chang, P., Chekelian, V., Chen, A., Cheon, B. G., Chilikin, K., Cho, K., Choi, S. -K., Choi, Y., Choudhury, S., Cinabro, D., Cunliffe, S., Dash, N., Di Carlo, S., Dingfelder, J., Doležal, Z., Dong, T. V., Drásal, Z., Eidelman, S., Epifanov, D., Fast, J. E., Ferber, T., Fulsom, B. G., Garg, R., Gaur, V., Gabyshev, N., Garmash, A., Gelb, M., Giri, A., Goldenzweig, P., Golob, B., Greenwald, D., Guan, Y., Haba, J., Hara, T., Hayasaka, K., Hayashii, H., Hirose, S., Hou, W. -S., Hsu, C. -L., Iijima, T., Inami, K., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Jacobs, W. W., Jaegle, I., Jeon, H. B., Jia, S., Jin, Y., Joffe, D., Joo, K. K., Julius, T., Kaliyar, A. B., Kang, K. H., Kawasaki, T., Kichimi, H., Kiesling, C., Kim, D. Y., Kim, J. B., Kim, K. T., Kim, S. H., Kinoshita, K., Kodyš, P., Korpar, S., Kotchetkov, D., Križan, P., Kroeger, R., Krokovny, P., Kuhr, T., Kulasiri, R., Kumar, R., Kuzmin, A., Kwon, Y. -J., Lange, J. S., Lee, I. S., Lee, S. C., Li, L. K., Li, Y. B., Gioi, L. Li, Libby, J., Liventsev, D., Lubej, M., Masuda, M., Matsuda, T., Matvienko, D., Merola, M., Miyabayashi, K., Miyata, H., Mizuk, R., Mohanty, G. B., Moon, H. K., Mori, T., Mussa, R., Nakano, E., Nakao, M., Nanut, T., Nath, K. J., Natkaniec, Z., Nayak, M., Niiyama, M., Nisar, N. K., Nishida, S., Ogawa, K., Ogawa, S., Ono, H., Pakhlov, P., Pakhlova, G., Pal, B., Pardi, S., Paul, S., Pedlar, T. K., Pestotnik, R., Piilonen, L. E., Popov, V., Prasanth, K., Prencipe, E., Purohit, M. V., Rabusov, A., Resmi, P. K., Rostomyan, A., Russo, G., Sahoo, D., Sakai, Y., Salehi, M., Santelj, L., Sanuki, T., Savinov, V., Schneider, O., Schnell, G., Schwanda, C., Seino, Y., Senyo, K., Seon, O., Sevior, M. E., Shen, C. P., Shibata, T. -A., Shiu, J. -G., Shwartz, B., Singh, J. B., Sokolov, A., Solovieva, E., Starič, M., Strube, J. F., Sumihama, M., Sumisawa, K., Sumiyoshi, T., Sutcliffe, W., Takizawa, M., Tamponi, U., Tanida, K., Tenchini, F., Uchida, M., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Ushiroda, Y., Usov, Y., Van Hulse, C., Van Tonder, R., Varner, G., Vinokurova, A., Vorobyev, V., Waheed, E., Wang, B., Wang, C. H., Wang, M. -Z., Wang, P., Wang, X. L., Watanuki, S., Wehle, S., Widmann, E., Won, E., Yamamoto, H., Ye, H., Yin, J. H., Yuan, C. Z., Yusa, Y., Zhang, Z. P., Zhilich, V., Zhukova, V., Zhulanov, V., Zupanc, A., Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Belle, and Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11)
Subjects: Upsilon(10570): electroproduction, B: pair production, semileptonic decay [B0], S042:Desig=334, S042:Desig=335, B0: branching ratio: upper limit, BELLE, annihilation [electron positron], electron positron: colliding beams, electron positron: annihilation, 10.58 GeV-cms, High Energy Physics - Experiment, pair production [B], KEK-B, +K*%28892%290+muon%2B+electron%29%22">B0 --> K*(892)0 muon+ electron), electroproduction [Upsilon(10570)], [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], colliding beams [electron positron], ddc:530, S042:Desig=222, B0: semileptonic decay, branching ratio: upper limit [B0], +K*%28892%290+muon-+positron%22">B0 --> K*(892)0 muon- positron, experimental results
Abstract: We have searched for the lepton-flavor-violating decay $B^{0}\to K^{\ast 0} \mu^{\pm} e^{\mp}$ using a data sample of 711 $fb^{-1}$ that contains $772 \times 10^{6}$ $B\bar{B}$ pairs. The data were collected near the $\Upsilon (4S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^{+}e^{-}$ collider. No signals were observed, and we set 90% confidence level upper limits on the branching fractions of ${\cal B}(B^{0}\to K^{\ast 0} \mu^{+} e^{-})< 1.2\times 10^{-7}$, ${\cal B}(B^{0}\to K^{\ast 0} \mu^{-} e^{+})< 1.6\times 10^{-7}$, and, for both decays combined, ${\cal B}(B^{0}\to K^{\ast 0} \mu^{\pm} e^{\mp}) < 1.8\times 10^{-7}$. These are the most stringent limits on these decays to date., Comment: to appear in PRD(RC)
Published: 2018
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47. Observation of $e^+e^- \to \gamma \chi_{c1}$ and search for $e^+e^- \to \gamma \chi_{c0}, \gamma \chi_{c2},$ and $\gamma\eta_c$ at $\sqrt{s}$ near 10.6 GeV at Belle

Author: Jia, S., Wang, X. L., Shen, C. P., Yuan, C. Z., Adachi, I., Aihara, H., Al Said, S., Asner, D. M., Atmacan, H., Aulchenko, V., Aushev, T., Ayad, R., Babu, V., Bansal, V., Behera, P., Beleño, C., Berger, M., Bhuyan, B., Bilka, T., Biswal, J., Bobrov, A., Bozek, A., Bračko, M., Browder, T. E., Cao, L., Červenkov, D., Chang, P., Chekelian, V., Chen, A., Cheon, B. G., Chilikin, K., Cho, K., Choi, S.-K., Choi, Y., Choudhury, S., Cinabro, D., Cunliffe, S., Dash, N., Di Carlo, S., Doležal, Z., Dong, T. V., Eidelman, S., Epifanov, D., Fast, J. E., Ferber, T., Frey, A., Fulsom, B. G., Garg, R., Gaur, V., Gabyshev, N., Garmash, A., Gelb, M., Giri, A., Goldenzweig, P., Greenwald, D., Haba, J., Hayasaka, K., Hayashii, H., Hou, W.-S., Hsu, C.-L., Iijima, T., Inami, K., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Jacobs, W. W., Jin, Y., Joffe, D., Kahn, J., Kaliyar, A. B., Karyan, G., Kawasaki, T., Kichimi, H., Kiesling, C., Kim, D. Y., Kim, H. J., Kim, J. B., Kim, S. H., Kinoshita, K., Kodyš, P., Korpar, S., Kotchetkov, D., Križan, P., Kroeger, R., Krokovny, P., Kuhr, T., Kulasiri, R., Kumar, R., Kuzmin, A., Kwon, Y.-J., Lalwani, K., Lange, J. S., Lee, I. S., Lee, J. Y., Lee, S. C., Li, C. H., Li, L. K., Li, Y. B., Li Gioi, L., Libby, J., Liptak, Z., Liventsev, D., Lu, P.-C., Lubej, M., MacNaughton, J., Masuda, M., Matsuda, T., Matvienko, D., Merola, M., Miyata, H., Mizuk, R., Mori, T., Mussa, R., Nakano, E., Nakao, M., Nath, K. J., Nayak, M., Nisar, N. K., Nishida, S., Ogawa, S., Olsen, S. L., Ono, H., Onuki, Y., Ostrowicz, W., Pakhlova, G., Pal, B., Pardi, S., Paul, S., Pedlar, T. K., Pestotnik, R., Piilonen, L. E., Popov, V., Prencipe, E., Ritter, M., Rostomyan, A., Russo, G., Sakai, Y., Salehi, M., Sandilya, S., Santelj, L., Sanuki, T., Savinov, V., Schneider, O., Schnell, G., Schueler, J., Schwanda, C., Seino, Y., Senyo, K., Sevior, M. E., Shibata, T.-A., Shiu, J.-G., Simon, F., Sokolov, A., Solovieva, E., Starič, M., Stottler, Z. S., Strube, J. F., Sumiyoshi, T., Sutcliffe, W., Takizawa, M., Tanida, K., Tao, Y., Tenchini, F., Uchida, M., Uehara, S., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Usov, Y., Van Tonder, R., Varner, G., Varvell, K. E., Vorobyev, V., Waheed, E., Wang, B., Wang, C. H., Wang, M.-Z., Wang, P., Watanuki, S., Widmann, E., Won, E., Yamamoto, H., Yang, S. B., Ye, H., Yin, J. H., Yusa, Y., Zhang, Z. P., Zhilich, V., Zhukova, V., and Zhulanov, V.
Subjects: Born approximation, exclusive reaction, BES, +photon+chi%2Fc2%283555%29%22">electron positron --> photon chi/c2(3555), photon: spectrum, BELLE, electron positron: colliding beams, electron positron: annihilation, +photon+chi%2Fc1%283510%29%22">electron positron --> photon chi/c1(3510), 10.58 GeV-cms, channel cross section: upper limit, chi/c1(3510), energy dependence, chi/c2(3555), KEK-B, +photon+chi%2Fc0%283415%29%22">electron positron --> photon chi/c0(3415), tree approximation, chi/c0(3415), channel cross section: measured, experimental results
Abstract: Using data samples of 89.5~fb$^{-1}$, 711.0~fb$^{-1}$, and 121.4~fb$^{-1}$ collected with the Belle detector at the KEKB asymmetric-energy $e^+e^-$ collider at center-of-mass energies 10.52 GeV, 10.58 GeV, and 10.867 GeV, respectively, we study the exclusive reactions $e^+e^-\to\gamma\chi_{cJ}$ ($J = 0,~1,~2$) and $e^+e^-\to\gamma\eta_c$. A significant $\gamma \chi_{c1}$ signal is observed for the first time at $\sqrt{s}=10.58$ GeV with a significance of $5.1\sigma$ including systematic uncertainties. No significant excesses for $\gamma \chi_{c0}$, $\gamma \chi_{c2}$, and $\gamma \eta_c$ final states are found, and we set 90\% credibility level upper limits on the Born cross sections ($\sigma_{\rm B}$) at 10.52 GeV, 10.58 GeV, and 10.867~GeV. Together with cross sections measured by BESIII at lower center-of-mass energies, the energy dependency of $\sigma_{\rm B}(e^+e^-\to\gamma\chi_{c1})$ is obtained.
Published: 2018
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48. Observation of $\Xi(1620)^0$ and evidence for $\Xi(1690)^0$ in $\Xi_c^+ \rightarrow \Xi^-\pi^+\pi^+$ decays

Author: Sumihama, M., Adachi, I., Ahn, J. K., Aihara, H., Al Said, S., Asner, D. M., Atmacan, H., Aushev, T., Ayad, R., Babu, V., Badhrees, I., Bahinipati, S., Bakich, A. M., Bansal, V., Beleño, C., Berger, M., Bhardwaj, V., Bhuyan, B., Bilka, T., Biswal, J., Bonvicini, G., Bozek, A., Bračko, M., Browder, T. E., Červenkov, D., Chekelian, V., Chen, A., Cheon, B. G., Chilikin, K., Cho, K., Choi, S.-K., Choi, Y., Choudhury, S., Cinabro, D., Cunliffe, S., Czank, T., Dash, N., Di Carlo, S., Doležal, Z., Dong, T. V., Drásal, Z., Eidelman, S., Epifanov, D., Fast, J. E., Fulsom, B. G., Garg, R., Gaur, V., Gabyshev, N., Garmash, A., Gelb, M., Giri, A., Goldenzweig, P., Guido, E., Haba, J., Hayasaka, K., Hayashii, H., Hirose, S., Hou, W.-S., Inami, K., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Jacobs, W. W., Jeon, H. B., Jia, S., Jin, Y., Joo, K. K., Julius, T., Kaliyar, A. B., Kang, K. H., Karyan, G., Kato, Y., Kiesling, C., Kim, D. Y., Kim, J. B., Kim, K. T., Kim, S. H., Kinoshita, K., Kodyš, P., Korpar, S., Kotchetkov, D., Križan, P., Kroeger, R., Krokovny, P., Kumar, R., Kuzmin, A., Kwon, Y.-J., Lange, J. S., Lee, I. S., Lee, S. C., Li, L. K., Li, Y. B., Li Gioi, L., Libby, J., Liventsev, D., Lubej, M., Luo, T., Masuda, M., Matsuda, T., Matvienko, D., Merola, M., Miyabayashi, K., Miyata, H., Mizuk, R., Mohanty, G. B., Moon, H. K., Mori, T., Mussa, R., Nakano, E., Nakano, T., Nakao, M., Nanut, T., Nath, K. J., Natkaniec, Z., Niiyama, M., Nisar, N. K., Nishida, S., Ono, H., Pakhlov, P., Pakhlova, G., Pal, B., Pardi, S., Park, H., Paul, S., Pedlar, T. K., Pestotnik, R., Piilonen, L. E., Popov, V., Ritter, M., Russo, G., Sahoo, D., Sandilya, S., Santelj, L., Sanuki, T., Savinov, V., Schneider, O., Schnell, G., Schwanda, C., Seino, Y., Senyo, K., Sevior, M. E., Shebalin, V., Shen, C. P., Shibata, T.-A., Shiu, J.-G., Shwartz, B., Simon, F., Sokolov, A., Solovieva, E., Starič, M., Strube, J. F., Sumiyoshi, T., Takizawa, M., Tamponi, U., Tanida, K., Taniguchi, N., Tenchini, F., Uchida, M., Uglov, T., Uno, S., Urquijo, P., Vahsen, S. E., Van Hulse, C., Varner, G., Vorobyev, V., Vossen, A., Wang, B., Wang, C. H., Wang, M.-Z., Wang, P., Wang, X. L., Watanabe, M., Watanuki, S., Widmann, E., Won, E., Ye, H., Yelton, J., Yuan, C. Z., Yusa, Y., Zakharov, S., Zhang, Z. P., Zhilich, V., Zhukova, V., and Zhulanov, V.
Subjects: Xi(1630): hadronic decay, Xi/c+: hadronic decay, BELLE, electron positron: colliding beams, electron positron: annihilation, Xi(1690), hyperon, baryon, mass: width, Xi(1630): width, strangeness, KEK-B, mass spectrum: (Xi- pi), +Xi-+pi%2B%22">Xi(1630) --> Xi- pi+, High Energy Physics::Experiment, structure, +Xi-+2pi%2B%22">Xi/c+ --> Xi- 2pi+, Xi(1630): mass: measured, Nuclear Experiment, experimental results
Abstract: We report the first observation of the doubly-strange baryon $\Xi(1620)^0$ in its decay to $\Xi^-\pi^+$ via $\Xi_c^+ \rightarrow \Xi^- \pi^+ \pi^+$ decays based on a $980\,{\rm fb}^{-1}$ data sample collected with the Belle detector at the KEKB asymmetric-energy $e^+ e^-$ collider. The mass and width are measured to be 1610.4 $\pm$ 6.0 (stat) $^{+5.9}_{-3.5}$ (syst)~MeV$/c^2$ and 59.9 $\pm$ 4.8 (stat) $^{+2.8}_{-3.0}$ (syst)~MeV, respectively. We obtain 4.0$\sigma$ evidence of the $\Xi(1690)^0$ with the same data sample. These results shed light on the structure of hyperon resonances with strangeness $S=-2$.
Published: 2018
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49. Evidence of charged $\Xi_{c}(2930)$ and updated measurement of $B^{0} \to K^{0} \Lambda_{c}^{+} \bar{\Lambda}_{c}^{-}$ at Belle

Author: Li, Y. B., Shen, C. P., Bahinipati, S., Mussa, R., Nakano, E., Nanut, T., Nath, K. J., Natkaniec, Z., Nayak, M., Nisar, N. K., Nishida, S., Nishimura, K., Ogawa, K., Ban, Y., Okuno, S., Ono, H., Pakhlov, P., Pakhlova, G., Pal, B., Pardi, S., Park, H., Paul, S., Pedlar, T. K., Pestotnik, R., Bansal, V., Piilonen, L. E., Popov, V., Prencipe, E., Rostomyan, A., Russo, G., Sakai, Y., Salehi, M., Sandilya, S., Santelj, L., Sanuki, T., Behera, P., Savinov, V., Schneider, O., Schnell, G., Schwanda, C., Seino, Y., Senyo, K., Seon, O., Sevior, M. E., Shibata, T.-A., Shiu, J.-G., Beleño, C., Solovieva, E., Starič, M., Strube, J. F., Sumihama, M., Sumiyoshi, T., Takizawa, M., Tamponi, U., Tanida, K., Tenchini, F., Uchida, M., Bhardwaj, V., Uglov, T., Unno, Y., Uno, S., Usov, Y., Van Hulse, C., Van Tonder, R., Varner, G., Varvell, K. E., Vorobyev, V., Waheed, E., Bhuyan, B., Wang, B., Wang, C. H., Wang, M.-Z., Wang, P., Wang, X. L., Watanuki, S., Widmann, E., Won, E., Ye, H., Yelton, J., Biswal, J., Yin, J. H., Yuan, C. Z., Yusa, Y., Zhang, Z. P., Zhilich, V., Zhukova, V., Zhulanov, V., Belle Collaboration, Bobrov, A., Bozek, A., Adachi, I., Bračko, M., Browder, T. E., Cao, L., Červenkov, D., Chang, P., Chekelian, V., Chen, A., Cheon, B. G., Chilikin, K., Cho, K., Aihara, H., Choi, S.-K., Choi, Y., Choudhury, S., Cinabro, D., Cunliffe, S., Dash, N., Di Carlo, S., Dingfelder, J., Doležal, Z., Dong, T. V., Al Said, S., Drásal, Z., Eidelman, S., Epifanov, D., Fast, J. E., Fulsom, B. G., Garg, R., Gaur, V., Gabyshev, N., Garmash, A., Gelb, M., Asner, D. M., Giri, A., Goldenzweig, P., Golob, B., Haba, J., Hayasaka, K., Hirose, S., Hou, W.-S., Iijima, T., Inami, K., Inguglia, G., Aushev, T., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Jacobs, W. W., Jaegle, I., Jeon, H. B., Jia, S., Jin, Y., Joo, K. K., Ayad, R., Kaliyar, A. B., Kang, K. H., Kato, Y., Kawasaki, T., Kim, D. Y., Kim, J. B., Kim, S. H., Kinoshita, K., Kodyš, P., Korpar, S., Babu, V., Kotchetkov, D., Križan, P., Kroeger, R., Krokovny, P., Kuhr, T., Kwon, Y.-J., Lange, J. S., Lee, I. S., Lee, S. C., Li, L. K., Badhrees, I., Li Gioi, L., Libby, J., Liventsev, D., Luo, T., Matvienko, D., Merola, M., Miyata, H., Mizuk, R., Moon, H. K., and Mori, T.
Subjects: asymmetry [energy], BELLE, annihilation [electron positron], electroproduction [Xi/c(2930)], spin, width [mass], branching ratio [Y(4660)], KEK-B, (Lambda/c+ Antilambda/c+) [mass spectrum], branching ratio: measured [B0], mass: measured [Xi/c(2930)], branching ratio [Xi/c(2930)], ddc:530, structure, Nuclear Experiment, +K0%28S%29+Lambda%2Fc%2B%22">Xi/c(2930) --> K0(S) Lambda/c+, +K0%28S%29+Lambda%2Fc%2B+Antilambda%2Fc%2B%22">B0 --> K0(S) Lambda/c+ Antilambda/c+, hadronic decay [Xi/c(2930)], energy [electron positron], pair production [B], baryon, electroproduction [Upsilon(10570)], colliding beams [electron positron], upper limit [branching ratio], High Energy Physics::Experiment, experimental results
Abstract: We report evidence for the charged charmed-strange baryon $\Xi_{c}(2930)$ with a signal significance of 3.9$\sigma$. The charged $\Xi_{c}(2930)$ is found in its decay to $K_{S}^{0} \Lambda_{c}$ in the substructure of $B^{0} \to K^{0}_{S} \Lambda_{c}^{+} \bar{\Lambda}_{c}^{-}$ decays. The measured mass and width are $[2942.3 \pm 4.4 (\rm stat.) \pm 1.6(\rm syst.)]$~MeV/$c^{2}$ and $[14.8 \pm 8.8(\rm stat.) \pm 7.1(\rm syst.)]$~MeV, respectively, and the product branching fraction is ${\cal B}(B^{0} \to \Xi_{c}^{+}(2930) \bar{\Lambda}_{c}^{-}) {\cal B}(\Xi_{c}^{+}(2930)\to K^{0} \Lambda_{c}^{+})=[2.28 \pm 0.49(\rm stat.) \pm 0.29(\rm syst.)]\times 10^{-4}$. We also measure ${\cal B}(B^{0} \to K^{0} \Lambda_{c}^{+} \bar{\Lambda}_{c}^{-}) = [3.84 \pm 0.73(\rm stat.) \pm 0.48(\rm syst.)] \times 10^{-4}$ with greater precision than previous experiments, and present the results of a search for the charmonium-like state $Y(4660)$ and its spin partner, $Y_{\eta}$, in the $\Lambda_{c}^{+}\bar{\Lambda}_{c}^{-}$ invariant mass spectrum. No clear signals of the $Y(4660)$ or $Y_{\eta}$ are observed and the 90\% credibility level (C.L.) upper limits on their production rates are determined. These measurements are obtained from a sample of $(772\pm11)\times 10^{6} B\bar{B}$ pairs collected at the $\Upsilon(4S)$ resonance by the Belle detector at the KEKB asymmetric energy electron-positron collider.
Published: 2018
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50. Measurement of the branching fraction and time-dependent $CP$ asymmetry for $B^0\to J/\psi\pi^0$ decays

Author: Pal, B., Schwartz, A. J., Bahinipati, S., Pardi, S., Park, H., Paul, S., Pedlar, T. K., Pestotnik, R., Piilonen, L. E., Popov, V., Prencipe, E., Purohit, M. V., Ritter, M., Bansal, V., Russo, G., Sahoo, D., Sakai, Y., Sandilya, S., Santelj, L., Sanuki, T., Savinov, V., Schneider, O., Schnell, G., Schueler, J., Behera, P., Schwanda, C., Seino, Y., Senyo, K., Seon, O., Sevior, M. E., Shibata, T.-A., Simon, F., Sokolov, A., Solovieva, E., Starič, M., Beleño, C., Sumihama, M., Sumiyoshi, T., Takizawa, M., Tamponi, U., Tanida, K., Tao, Y., Tenchini, F., Trabelsi, K., Uchida, M., Uehara, S., Bhuyan, B., Uglov, T., Unno, Y., Uno, S., Vahsen, S. E., Van Tonder, R., Varner, G., Varvell, K. E., Vorobyev, V., Wang, B., Wang, C. H., Bilka, T., Wang, M.-Z., Wang, P., Wang, X. L., Widmann, E., Won, E., Yelton, J., Yin, J. H., Zhang, Z. P., Zhilich, V., Zhukova, V., Biswal, J., Belle Collaboration, Bozek, A., Bračko, M., Cao, L., Aihara, H., Červenkov, D., Chekelian, V., Chen, A., Cheon, B. G., Chilikin, K., Cho, K., Choi, Y., Choudhury, S., Cinabro, D., Cunliffe, S., Al Said, S., Dash, N., Di Carlo, S., Doležal, Z., Eidelman, S., Epifanov, D., Fast, J. E., Fulsom, B. G., Garg, R., Gaur, V., Garmash, A., Asner, D. M., Gelb, M., Giri, A., Goldenzweig, P., Golob, B., Guan, Y., Hara, T., Hayasaka, K., Hayashii, H., Higuchi, T., Hou, W.-S., Atmacan, H., Hsu, C.-L., Inami, K., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Jacobs, W. W., Jia, S., Joffe, D., Julius, T., Aulchenko, V., Karyan, G., Kim, D. Y., Kim, K. T., Kim, S. H., Kinoshita, K., Kodyš, P., Korpar, S., Kotchetkov, D., Križan, P., Kroeger, R., Aushev, T., Krokovny, P., Kulasiri, R., Kumar, R., Kuzmin, A., Kwon, Y.-J., Lalwani, K., Lee, S. C., Li, L. K., Li, Y. B., Li Gioi, L., Ayad, R., Libby, J., Lu, P.-C., Masuda, M., Matsuda, T., Matvienko, D., Merola, M., Miyabayashi, K., Miyata, H., Mizuk, R., Mohanty, G. B., Badhrees, I., Mori, T., Nakano, E., Nakao, M., Nath, K. J., Natkaniec, Z., Nayak, M., Nishida, S., Ogawa, S., Ono, H., Pakhlova, G., Laboratoire de l'Accélérateur Linéaire (LAL), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Belle, and Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)
Subjects: Upsilon(10570): electroproduction, approx. 10.6 GeV-cms, BELLE, annihilation [electron positron], electron positron: annihilation, CP [asymmetry], violation [CP], High Energy Physics - Experiment, KEK-B, branching ratio: measured [B0], B0: branching ratio: measured, CP: violation, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Particle Physics Experiments, ddc:530, hadronic decay [B0], S042SPL, B0: hadronic decay, electron positron: colliding beams, 12.15.Hh, +J%2Fpsi%283100%29+pi0%22">B0 --> J/psi(3100) pi0, asymmetry: CP, S042CPL, electroproduction [Upsilon(10570)], 13.25.Hw, colliding beams [electron positron], time dependence, High Energy Physics::Experiment, 11.30.Er, experimental results, S042:Desig=140
Abstract: We measure the branching fraction and time-dependent $CP$-violating asymmetry for $B^0\to J/\psi\pi^0$ decays using a data sample of 711 ${\rm fb^{-1}}$ collected on the $\Upsilon(4S)$ resonance by the Belle experiment running at the KEKB $e^+e^-$ collider. The branching fraction is measured to be $\mathcal{B}(B^0\to J/\psi\pi^0) = [1.62\,\pm 0.11~({\rm stat}) \pm0.07~({\rm syst})]\times 10^{-5}$, which is the most precise measurement to date. The measured $CP$ asymmetry parameters are $\mathcal{S} = -0.59\,\pm 0.19~({\rm stat}) \pm 0.03~({\rm syst})$ and $\mathcal{A} = -0.15\,\pm 0.14~({\rm stat})\,^{+0.04}_{-0.03}~({\rm syst})$. The mixing-induced $CP$ asymmetry ($\mathcal{S}$) differs from the case of no $CP$ violation by 3.0 standard deviations, and the direct $CP$ asymmetry ($\mathcal{A}$) is consistent with zero., Comment: 8 pages, 3 figures, submitted to Phys. Rev. D (RC)
Published: 2018
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