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559 results on '"Louvot, R"'

51. Study of B^{+-} -> K^{+-}(K_S K pi)^0 Decay and Determination of eta_c and eta_c(2S) Parameters

Author: Belle collaboration, Vinokurova, A., Kuzmin, A., Eidelman, S., Arinstein, K., Aulchenko, V., Aushev, T., Bakich, A. M., Balagura, V., Barberio, E., Belous, K., Bhardwaj, V., Bondar, A., Bozek, A., Bracko, M., Brodzicka, J., Browder, T. E., Chang, M. -C., Chao, Y., Chen, A., Chen, P., Cheon, B. G., Chistov, R., Cho, I. -S., Cho, K., Choi, S. -K., Choi, Y., Dalseno, J., Danilov, M., Dolezal, Z., Epifanov, D., Gaur, V., Gabyshev, N., Garmash, A., Golob, B., Ha, H., Haba, J., Hayashii, H., Horii, Y., Hoshi, Y., Hou, W. -S., Hsiung, Y. B., Hyun, H. J., Iijima, T., Inami, K., Ishikawa, A., Itoh, R., Iwabuchi, M., Iwashita, T., Julius, T., Kang, J. H., Kapusta, P., Kawasaki, T., Kiesling, C., Kim, H. J., Kim, H. O., Kim, M. J., Kim, Y. J., Kinoshita, K., Ko, B. R., Krizan, P., Kumar, R., Kumita, T., Kwon, Y. -J., Kyeong, S. -H., Lee, M. J., Lee, S. -H., Li, J., Li, Y., Lim, C. -L., Liu, C., Liventsev, D., Louvot, R., Matvienko, D., Matyja, A., McOnie, S., Miyabayashi, K., Miyata, H., Miyazaki, Y., Mizuk, R., Mohanty, G. B., Moll, A., Nakano, E., Nakazawa, H., Natkaniec, Z., Nishida, S., Nitoh, O., Ohshima, T., Okuno, S., Olsen, S. L., Pakhlov, P., Pakhlova, G., Park, C. W., Pestotnik, R., Petric, M., Piilonen, L. E., Poluektov, A., Röhrken, M., Ryu, S., Sahoo, H., Sakai, Y., Schneider, O., Schwanda, C., Senyo, K., Seon, O., Shapkin, M., Shebalin, V., Shen, C. P., Shiu, J. -G., Shwartz, B., Simon, F., Smerkol, P., Sohn, Y. -S., Sokolov, A., Solovieva, E., Stanic, S., Staric, M., Sumihama, M., Sumiyoshi, T., Tanaka, S., Teramoto, Y., Tikhomirov, I., Trabelsi, K., Uchida, M., Uglov, T., Unno, Y., Uno, S., Usov, Y., Varner, G., Varvell, K. E., Vossen, A., Wang, C. H., Wang, P., Watanabe, M., Watanabe, Y., Williams, K. M., Won, E., Yabsley, B. D., Yamashita, Y., Yuan, C. Z., Zhang, Z. P., Zhilich, V., Zhou, P., Zhulanov, V., Zupanc, A., and Zyukova, O.
Subjects: High Energy Physics - Experiment
Abstract: We report the results of a study of $B^{\pm}\to K^{\pm}\eta_c$ and $B^{\pm}\to K^{\pm}\eta_c(2S)$ decays followed by $\eta_c$ and $\eta_c(2S)$ decays to $(K_SK\pi)^0$. The results are obtained from a data sample containing 535 million $B\bar{B}$-meson pairs collected by the Belle experiment at the KEKB $e^+e^-$ collider. We measure the products of the branching fractions ${\mathcal B}(B^{\pm}\to K^{\pm}\eta_c){\mathcal B}(\eta_c\to K_S K^{\pm}\pi^{\mp})=(26.7\pm 1.4(stat)^{+2.9}_{-2.6}(syst)\pm 4.9(model))\times 10^{-6}$ and ${\mathcal B}(B^{\pm}\to K^{\pm}\eta_c(2S)){\mathcal B}(\eta_c(2S)\to K_S K^{\pm}\pi^{\mp})=(3.4^{+2.2}_{-1.5}(stat+model)^{+0.5}_{-0.4} syst))\times 10^{-6}$. Interference with the non-resonant component leads to significant model uncertainty in the measurement of these product branching fractions. Our analysis accounts for this interference and allows the model uncertainty to be reduced. We also obtain the following charmonia masses and widths: $M(\eta_c)=(2985.4\pm 1.5(stat)^{+0.5}_{-2.0}(syst))$ MeV/$c^2$, $\Gamma(\eta_c)=(35.1\pm 3.1(stat)^{+1.0}_{-1.6}(syst))$ MeV/$c^2$, $M(\eta_c(2S))=(3636.1^{+3.9}_{-4.2}(stat+model)^{+0.7}_{-2.0}(syst))$ MeV/$c^2$, $\Gamma(\eta_c(2S))=(6.6^{+8.4}_{-5.1}(stat+model)^{+2.6}_{-0.9}(syst))$ MeV/$c^2$., Comment: 23 pages, 10 figures, submitted to PLB
Published: 2011
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52. Observation of transverse polarization asymmetries of charged pion pairs in e+e- annihilation near sqrt s=10.58 GeV

Author: Vossen, A., Seidl, R., Adachi, I., Aihara, H., Aushev, T., Balagura, V., Bartel, W., Bischofberger, M., Bondar, A., Bračko, M., Browder, T. E., Chang, M. -C., Chen, A., Chen, P., Cheon, B. G., Cho, K., Choi, Y., Eidelman, S., Feindt, M., Gaur, V., Gabyshev, N., Garmash, A., Golob, B., Grosse-Perdekamp, M., Haba, J., Hayasaka, K., Horii, Y., Hoshi, Y., Hou, W. -S., Hyun, H. J., Inami, K., Ishikawa, A., Iwabuchi, M., Iwasaki, Y., Iwashita, T., Joshi, N. J., Kichimi, H., Kim, H. O., Kim, M. J., Ko, B. R., Kumita, T, Lange, J. S., Lee, M. J., Lee, S. -H., Leitgab, M., Li, Y., Liu, C., Liventsev, D., Louvot, R., McOnie, S., Miyata, H., Miyazaki, Y., Mizuk, R., Mohanty, G. B., Nakano, E., Nishida, S., Nitoh, O., Ogawa, A., Ohshima, T., Okuno, S., Pakhlova, G., Park, H., Park, H. K., Petrič, M., Piilonen, L. E., Ryu, S., Sahoo, H., Sakai, Y., Schneider, O., Schwanda, C., Seon, O., Shapkin, M., Shebalin, V., Shibata, T. -A., Shiu, J. -G., Smerkol, P., Sohn, Y. -S., Solovieva, E., Stanič, S., Starič, M., Sumihama, M., Sumiyoshi, T., Teramoto, Y., Uchida, M., Uehara, S., Uglov, T., Unno, Y., Uno, S., Varner, G., Vinokurova, A., Wang, C. H., Wang, M. -Z., Wang, P, Watanabe, Y., Won, E., Yabsley, B. D., Yamashita, Y., Zhilich, V., Zhou, P., and Zhulanov, V.
Subjects: High Energy Physics - Experiment
Abstract: The interference fragmentation function translates the fragmentation of a quark with a transverse projection of the spin into an azimuthal asymmetry of two final-state hadrons. In e+e- annihilation the product of two interference fragmentation functions is measured. We report nonzero asymmetries for pairs of charge-ordered pi+pi- pairs, which indicate a significant interference fragmentation function in this channel. The results are obtained from a 672 fb-1 data sample that contains 711 \times 106 pi+pi- pairs and was collected at and near the ?(4S) resonance, with the Belle detector at the KEKB asymmetric-energy e+e- collider., Comment: 19 pages, 5 figures (including publication's supplement file), Submitted to Physical Review Letters
Published: 2011
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53. Evidence for the Suppressed Decay B- -> DK-, D -> K+pi-

Author: Belle Collaboration, Horii, Y., Trabelsi, K., Yamamoto, H., Adachi, I., Aihara, H., Arinstein, K., Aulchenko, V., Aushev, T., Balagura, V., Barberio, E., Belous, K., Bhuyan, B., Bischofberger, M., Bozek, A., Bracko, M., Browder, T. E., Chang, M. -C., Chang, P., Chen, A., Chen, P., Cheon, B. G., Chiang, C. -C., Cho, I. -S., Cho, K., Choi, Y., Dolezal, Z., Eidelman, S., Feindt, M., Gaur, V., Gabyshev, N., Garmash, A., Golob, B., Ha, H., Haba, J., Hayasaka, K., Hoshi, Y., Hou, W. -S., Hsiung, Y. B., Hyun, H. J., Iijima, T., Inami, K., Ishikawa, A., Itoh, R., Iwabuchi, M., Iwasaki, Y., Iwashita, T., Joshi, N. J., Julius, T., Kang, J. H., Kawasaki, T., Kichimi, H., Kiesling, C., Kim, H. J., Kim, H. O., Kim, M. J., Kim, Y. J., Kinoshita, K., Ko, B. R., Kobayashi, N., Korpar, S., Krizan, P., Kuhr, T., Kumar, R., Kwon, Y. -J., Lee, M. J., Lee, S. -H., Li, J., Liu, C., Liventsev, D., Louvot, R., Matyja, A., McOnie, S., Miyabayashi, K., Miyata, H., Miyazaki, Y., Mohanty, G. B., Moll, A., Mori, T., Muramatsu, N., Nakano, E., Nakazawa, H., Natkaniec, Z., Neubauer, S., Nishida, S., Nitoh, O., Ohshima, T., Okuno, S., Onuki, Y., Pakhlov, P., Pakhlova, G., Park, C. W., Park, H. K., Pestotnik, R., Petric, M., Piilonen, L. E., Poluektov, A., Prim, M., Prothmann, K., Röhrken, M., Ryu, S., Sahoo, H., Sakai, Y., Schneider, O., Schwanda, C., Schwartz, A. J., Senyo, K., Seon, O., Sevior, M. E., Shapkin, M., Shebalin, V., Shen, C. P., Shibata, T. -A., Shiu, J. -G., Simon, F., Smerkol, P., Sohn, Y. -S., Solovieva, E., Stanic, S., Staric, M., Sumihama, M., Sumiyoshi, T., Suzuki, S., Tanaka, S., Teramoto, Y., Uchida, M., Uehara, S., Uglov, T., Unno, Y., Uno, S., Usov, Y., Varner, G., Vinokurova, A., Vossen, A., Wang, C. H., Wang, P., Watanabe, M., Watanabe, Y., Wicht, J., Won, E., Yabsley, B. D., Yamashita, Y., Zander, D., Zhang, Z. P., Zhulanov, V., and Zupanc, A.
Subjects: High Energy Physics - Experiment
Abstract: The suppressed decay chain B- -> DK-, D -> K+pi-, where D indicates a anti-D0 or D0 state, provides important information on the CP-violating angle phi_3. We measure the ratio R_{DK} of the decay rates to the favored mode B- -> DK-, D -> K-pi+ to be R_{DK} = [1.63^{+0.44}_{-0.41}(stat)^{+0.07}_{-0.13}(syst)] x 10^{-2}, which indicates the first evidence of the signal with a significance of 4.1sigma. We also measure the asymmetry A_{DK} between the charge-conjugate decays to be A_{DK} = -0.39^{+0.26}_{-0.28}(stat)^{+0.04}_{-0.03}(syst). The results are based on the full 772 x 10^6 B anti-B pair data sample collected at the Upsilon(4S) resonance with the Belle detector., Comment: 6 pages, 2 figures, 2 tables, accepted by Physical Review Letters
Published: 2011
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54. Search for CP violation in tau -> K^0_S pi nu_tau decays at Belle

Author: Bischofberger, M., Hayashii, H., Adamczyk, K., Aihara, H., Aulchenko, V., Bakich, A. M., Balagura, V., Barberio, E., Belous, K., Bozek, A., Bracko, M., Browder, T. E., Chen, P., Cheon, B. G., Chiang, C. -C., Cho, I. -S., Cho, K., Choi, Y., Danilov, M., Dolezal, Z., Drutskoy, A., Eidelman, S., Epifanov, D., Golob, B., Ha, H., Haba, J., Hayasaka, K., Horii, Y., Hoshi, Y., Hou, W. -S., Hsiung, Y. B., Hyun, H. J., Inami, K., Ishikawa, A., Itoh, R., Iwabuchi, M., Iwasaki, Y., Julius, T., Kang, J. H., Kawai, H., Kawasaki, T., Kiesling, C., Kim, H. O., Kim, M. J., Kim, Y. J., Kinoshita, K., Ko, B. R., Kodys, P., Krizan, P., Kwon, Y. -J., Kyeong, S. -H., Lange, J. S., Lee, M. J., Lee, S. -H., Li, J., Li, Y., Liu, C., Louvot, R., MacNaughton, J., McOnie, S., Miyabayashi, K., Miyata, H., Miyazaki, Y., Mizuk, R., Mohanty, G. B., Moll, A., Mori, T., Nagasaka, Y., Nakano, E., Nakao, M., Nakazawa, H., Nishida, S., Nishimura, K., Nitoh, O., Ohshima, T., Okuno, S., Pakhlova, G., Park, H., Park, H. K., Petric, M., Piilonen, L. E., Röhrken, M., Ryu, S., Sahoo, H., Sakai, Y., Schneider, O., Schwanda, C., Senyo, K., Shapkin, M., Shiu, J. -G., Shwartz, B., Simon, F., Smerkol, P., Sohn, Y. -S., Stanic, S., Staric, M., Sumiyoshi, T., Teramoto, Y., Trabelsi, K., Uehara, S., Uglov, T., Uno, S., Varner, G., Vinokurova, A., Vossen, A., Wang, C. H., Wang, P., Watanabe, M., Watanabe, Y., Won, E., Yamamoto, H., Yamashita, Y., Yuan, C. Z., Zhou, P., Zhulanov, V., and Zivko, T.
Subjects: High Energy Physics - Experiment
Abstract: We report on a search for CP violation in tau -> K^0_S pi nu_tau decays using a data sample of 699 fb^{-1} collected in the Belle experiment at the KEKB electron-positron asymmetric-energy collider. The CP asymmetry is measured in four bins of the invariant mass of the K^0_S pi system and found to be compatible with zero with a precision of O(10^{-3}) in each mass bin. Limits for the CP violation parameter Im(eta_S) are given at a 90 % confidence level. These limits are |Im(eta_S)|<0.026 or better, depending on the parameterization used to describe the hadronic form factors and improve upon previous limits by one order of magnitude.
Published: 2011
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55. Measurement of the decay $B^0\to\pi^-\ell^+\nu$ and determination of $|V_{ub}|$

Author: Ha, H., Won, E., Adachi, I., Aihara, H., Aziz, T., Bakich, A. M., Balagura, V., Barberio, E., Bay, A., Belous, K., Bhardwaj, V., Bhuyan, B., Bischofberger, M., Bondar, A., Bozek, A., Bracko, M., Browder, T. E., Chao, Y., Chen, A., Chen, P., Cheon, B. G., Chiang, C. -C., Cho, I. -S., Cho, K., Choi, K. -S., Choi, Y., Dalseno, J., Danilov, M., Dolezal, Z., Drutskoy, A., Dungel, W., Eidelman, S., Gabyshev, N., Golob, B., Haba, J., Hayasaka, K., Hayashii, H., Horii, Y., Hoshi, Y., Hou, W. -S., Hsiung, Y. B., Hyun, H. J., Iijima, T., Inami, K., Itoh, R., Iwabuchi, M., Iwasaki, Y., Joshi, N. J., Julius, T., Kang, J. H., Kawasaki, T., Kiesling, C., Kim, H. J., Kim, H. O., Kim, M. J., Kim, S. K., Kim, Y. J., Kinoshita, K., Ko, B. R., Korpar, S., Krizan, P., Kuhr, T., Kumita, T., Kuzmin, A., Kwon, Y. -J., Kyeong, S. -H., Lange, J. S., Lee, M. J., Lee, S. -H., Li, Y., Limosani, A., Liu, C., Liu, Y., Liventsev, D., Louvot, R., McOnie, S., Miyabayashi, K., Miyata, H., Miyazaki, Y., Mohanty, G. B., Mori, T., Nagasaka, Y., Nakano, E., Nakao, M., Nakazawa, H., Natkaniec, Z., Neubauer, S., Nishida, S., Nishimura, K., Nitoh, O., Nozaki, T., Ogawa, S., Ohshima, T., Okuno, S., Olsen, S. L., Pakhlov, P., Pakhlova, G., Park, C. W., Park, H., Park, H. K., Pestotnik, R., Petric, M., Piilonen, L. E., Rohrken, M., Ryu, S., Sahoo, H., Sakai, Y., Schneider, O., Schwanda, C., Schwartz, A. J., Senyo, K., Sevior, M. E., Shapkin, M., Shen, C. P., Shiu, J. -G., Simon, F., Smerkol, P., Sohn, Y. -S., Sokolov, A., Stanic, S., Staric, M., Sumiyoshi, T., Teramoto, Y., Trabelsi, K., Uehara, S., Uglov, T., Unno, Y., Uno, S., Vahsen, S. E., Varner, G., Varvell, K. E., Vossen, A., Wang, C. H., Wang, M. -Z., Wang, P., Watanabe, M., Watanabe, Y., Yamashita, Y., Zhang, Z. P., Zhou, P., Zhulanov, V., Zivko, T., and Zupanc, A.
Subjects: High Energy Physics - Experiment
Abstract: We present a measurement of the charmless semileptonic decay $B^0\to\pi^-\ell^+\nu$ using a data sample containing 657$\times 10^6$ $B\bar{B}$ events collected with the Belle detector at the KEKB asymmetric-energy $e^+e^-$ collider operating near the $\Upsilon(4S)$ resonance. We determine the total branching fraction of the decay, $\mathcal{B}(B^0\to\pi^-\ell^+\nu)=(1.49\pm 0.04{(\mathrm{stat})}\pm 0.07{(\mathrm{syst})})\times 10^{-4}$. We also report a new precise measurement of the differential decay rate, and extract the Cabibbo-Kobayashi-Maskawa matrix element $|V_{ub}|$ using model-independent and -dependent approaches. From a simultaneous fit to the measured differential decay rate and lattice QCD results, we obtain $|V_{ub}|=(3.43\pm 0.33)\times 10^{-3}$, where the error includes both statistical and systematic uncertainties., Comment: 8 pages, 3 figures, Submitted to PRD(RC)
Published: 2010
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56. Measurement of the form factors of the decay B0 -> D*- ell+ nu and determination of the CKM matrix element |Vcb

Author: Dungel, W., Schwanda, C., Adachi, I., Aihara, H., Aushev, T., Aziz, T., Bakich, A. ~M., Balagura, V., Barberio, E., Bischofberger, M., Bozek, A., Bračko, M., Browder, T. ~E., Chang, P., Chao, Y., Chen, A., Chen, P., Cheon, B. ~G., Chistov, R., Cho, I. -S., Cho, K., Choi, K. -S., Choi, Y., Dalseno, J., Drutskoy, A., Eidelman, S., Ha, H., Haba, J., Hayashii, H., Horii, Y., Hoshi, Y., Hou, W. -S., Iijima, T., Inami, K., Iwabuchi, M., Iwasaki, Y., Joshi, N. ~J., Julius, T., Kang, J. ~H., Kawasaki, T., Kim, H. ~J., Kim, H. ~O., Kim, J. ~H., Kim, M. ~J., Kim, Y. ~J., Kinoshita, K., Ko, B. ~R., Krokovny, P., Kuhr, T., Kumita, T., Kuzmin, A., Kwon, Y. -J., Kyeong, S. -H., Lee, M. ~J., Lee, S. -H., Li, J., Limosani, A., Liu, C., Liu, Y., Liventsev, D., Louvot, R., Matyja, A., McOnie, S., Miyata, H., Mizuk, R., Mohanty, G. ~B., Mori, T., Nakano, E., Nakao, M., Natkaniec, Z., Neubauer, S., Nishida, S., Nitoh, O., Nozaki, T., Ohshima, T., Okuno, S., Olsen, S. ~L., Pakhlova, G., Park, C. ~W., Park, H., Park, H. ~K., Petrič, M., Piilonen, L. ~E., Prim, M., Röhrken, M., Rozanska, M., Ryu, S., Sahoo, H., Sakai, K., Sakai, Y., Schneider, O., Schwartz, A. ~J., Senyo, K., Sevior, M. ~E., Shiu, J. -G., Singh, J. ~B., Smerkol, P., Sokolov, A., Stanič, S., Starič, M., Sumiyoshi, T., Suzuki, S., Tanaka, S., Taylor, G. ~N., Teramoto, Y., Trabelsi, K., Uehara, S., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Varner, G., Varvell, K. ~E., Vervink, K., Wang, C. ~H., Wang, P., Watanabe, M., Watanabe, Y., Wedd, R., Williams, K. ~M., Won, E., Yamashita, Y., Zander, D., Zhang, Z. ~P., Zhou, P., Zhulanov, V., and Zivko, T.
Subjects: High Energy Physics - Experiment
Abstract: This article describes a determination of the Cabibbo-Kobayashi-Maskawa matrix element $|V_{cb}|$ from the decay $B^0\to D^{*-}\ell^+\nu_\ell$ using 711 fb$^{-1}$ of Belle data collected near the $\Upsilon(4S)$ resonance. We simultaneously measure the product of the form factor normalization $\mathcal{F}(1)$ and the matrix element $|V_{cb}|$ as well as the three parameters $\rho^2$, $R_1(1)$ and $R_2(1)$, which determine the form factors of this decay in the framework of the Heavy Quark Effective Theory. The results, based on about 120,000 reconstructed $B^0\to D^{*-}\ell^+\nu_\ell$ decays, are $\rho^2=1.214\pm 0.034\pm 0.009$, $R_1(1)=1.401\pm 0.034\pm 0.018$, $R_2(1)=0.864\pm 0.024\pm 0.008$ and $\mathcal{F}(1)|V_{cb}|=(34.6\pm 0.2\pm 1.0)\times 10^{-3}$. The branching fraction of $B^0\to D^{*-}\ell^+\nu_\ell$ is measured at the same time; we obtain a value of $\mathcal{B}(B^0 \to D^{*-}\ell^+ \nu_\ell) = (4.58 \pm 0.03 \pm 0.26) %$. The errors correspond to the statistical and systematic uncertainties. These results give the most precise determination of the form factor parameters and $\mathcal{F}(1)|V_{cb}|$ to date. In addition, a direct, model-independent determination of the form factor shapes has been carried out., Comment: 16 pages, 7 figures
Published: 2010
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57. Averages of b-hadron, c-hadron, and tau-lepton Properties

Author: The Heavy Flavor Averaging Group, Asner, D., Banerjee, Sw., Bernhard, R., Blyth, S., Bozek, A., Bozzi, C., Cassel, D. G., Cavoto, G., Cibinetto, G., Coleman, J., Dungel, W., Gershon, T. J., Gibbons, L., Golob, B., Harr, R., Hayasaka, K., Hayashii, H., Lin, C. -J., Pegna, D. Lopes, Louvot, R., Lusiani, A., Luth, V., Meadows, B., Nishida, S., Pedrini, D., Purohit, M., Rama, M., Roney, M., Schneider, O., Schwanda, C., Schwartz, A. J., Shwartz, B., Smith, J. G., Tesarek, R., Tonelli, D., Trabelsi, K., Urquijo, P., and Van Kooten, R.
Subjects: High Energy Physics - Experiment
Abstract: This article reports world averages for measurements of b-hadron, c-hadron, and tau-lepton properties obtained by the Heavy Flavor Averaging Group (HFAG) using results available at least through the end of 2009. Some of the world averages presented use data available through the spring of 2010. For the averaging, common input parameters used in the various analyses are adjusted (rescaled) to common values, and known correlations are taken into account. The averages include branching fractions, lifetimes, neutral meson mixing parameters, CP violation parameters, and parameters of semileptonic decays., Comment: version 3: 288 pages, 167 tables, 86 figures, updated b-hadron production fractions, A_sl in Bs decays, and tau chapter results
Published: 2010

58. Search for CP violating charge asymmetry in B^+ -> J/psi K^+ decays

Author: Sakai, K., Kawasaki, T., Aihara, H., Arinstein, K., Aushev, T., Bakich, A. M., Balagura, V., Barberio, E., Belous, K., Bhardwaj, V., Bhuyan, B., Bischofberger, M., Bondar, A., Bozek, A., Bračko, M., Browder, T. E., Chang, M. -C., Chao, Y., Chen, A., Chen, K. -F., Chen, P., Cheon, B. G., Chiang, C. -C., Cho, K., Choi, Y., Dalseno, J., Doležal, Z., Drásal, Z., Dungel, W., Eidelman, S., Feindt, M., Golob, B., Ha, H., Haba, J., Hayasaka, K., Hayashii, H., Horii, Y., Hoshi, Y., Hou, W. -S., Hyun, H. J., Inami, K., Itoh, R., Iwabuchi, M., Iwasaki, Y., Kang, J. H., Kawai, H., Kichimi, H., Kiesling, C., Kim, H. J., Kim, J. H., Kim, Y. J., Ko, B. R., Korpar, S., Križan, P., Krokovny, P., Kuhr, T., Kumita, T., Kuzmin, A., Kwon, Y. -J., Kyeong, S. -H., Lange, J. S., Lee, M. J., Li, J., Limosani, A., Liu, C., Liventsev, D., Louvot, R., Matyja, A., McOnie, S., Miyabayashi, K., Miyata, H., Miyazaki, Y., Mohanty, G. B., Mohapatra, D., Nakano, E., Nakao, M., Natkaniec, Z., Neubauer, S., Nishida, S., Nitoh, O., Ogawa, S., Ohshima, T., Okuno, S., Olsen, S. L., Pakhlova, G., Palka, H., Park, C. W., Park, H., Park, H. K., Pestotnik, R., Petrič, M., Piilonen, L. E., Prim, M., Röhrken, M., Ryu, S., Sahoo, H., Sakai, Y., Schneider, Schwartz, A. J., Senyo, K., Seon, Sevior, M. E., Shapkin, M., Shen, C. P., Shiu, J. -G., Shwartz, B., Simon, F., Smerkol, P., Sokolov, A., Solovieva, E., Stanič, S., Starič, M., Sumisawa, K., Sumiyoshi, T., Taylor, G. N., Teramoto, Y., Trabelsi, K., Tsuboyama, T., Uehara, S., Uglov, T., Unno, Y., Uno, S., Varner, G., Varvell, K. E., Vervink, K., Wang, C. H., Wang, M. -Z., Wang, P., Watanabe, M., Watanabe, Y., Wedd, R., Won, E., Yamashita, Y., Zhang, C. C., Zhang, Z. P., Zhou, P., Zivko, T., Zupanc, A., and Zyukova1, O.
Subjects: High Energy Physics - Experiment
Abstract: We present the result of a search for charge asymmetry in B^+ -> J/psi K^+ decays. The CP-violating charge asymmetry is measured to be A_CP(B^+ -> J/psi K^+) = [-0.76 +/- 0.50 (stat) +/- 0.22 (syst)]%., Comment: arXiv admin note: erroneous duplicate submission as v2 of arXiv:1008.2567
Published: 2010

59. Measurement of CP violating asymmetries in B^0 -> K^+K^- K^0_S decays with a time-dependent Dalitz approach

Author: Belle Collaboration, Nakahama, Y., Sumisawa, K., Aihara, H., Arinstein, K., Aushev, T., Aziz, T., Bakich, A. M., Balagura, V., Belous, K., Bhardwaj, V., Bischofberger, M., Bondar, A., Bonvicini, G., Bozek, A., Bracko, M., Browder, T. E., Chang, P., Chao, Y., Chen, A., Chen, P., Cheon, B. G., Chiang, C. -C., Cho, I. -S., Choi, Y., Dalseno, J., Das, A., Dolezal, Z., Drasal, Z., Drutskoy, A., Eidelman, S., Goldenzweig, P., Golob, B., Haba, J., Hara, K., Hayasaka, K., Hazumi, M., Higuchi, T., Horii, Y., Hoshi, Y., Hou, W. -S., Hsiung, Y. B., Hyun, H. J., Inami, K., Itoh, R., Iwabuchi, M., Iwasaki, M., Iwasaki, Y., Julius, T., Kang, J. H., Kapusta, P., Katayama, N., Kawai, H., Kawasaki, T., Kichimi, H., Kim, H. J., Kim, J. H., Kim, M. J., Ko, B. R., Kodys, P., Korpar, S., Krizan, P., Krokovny, P., Kuhr, T., Kumita, T., Kyeong, S. -H., Lee, M. J., Lee, S. -H., Liu, Y., Louvot, R., Matyja, A., McOnie, S., Miyabayashi, K., Miyata, H., Miyazaki, Y., Mohanty, G. B., Nakano, E., Nakao, M., Nakazawa, H., Neubauer, S., Nishida, S., Nishimura, K., Nitoh, O., Nozaki, T., Ogawa, S., Ohshima, T., Olsen, S. L., Ostrowicz, W., Ozaki, H., Park, C. W., Park, H., Park, H. K., Pestotnik, R., Petric, M., Piilonen, L. E., Prim, M., Sahoo, H., Sakai, Y., Schneider, O., Schwanda, C., Schwartz, A. J., Senyo, K., Sevior, M. E., Shapkin, M., Shen, C. P., Shiu, J. -G., Shwartz, B., Smerkol, P., Solovieva, E., Stanic, S., Staric, M., Sumiyoshi, T., Teramoto, Y., Trabelsi, K., Uehara, S., Uglov, T., Unno, Y., Uno, S., Ushiroda, Y., Varner, G., Varvell, K. E., Vervink, K., Wang, C. H., Wang, P., Wang, X. L., Watanabe, Y., Wedd, R., Won, E., Yamashita, Y., Yusa, Y., Zander, D., Zhang, Z. P., Zhilich, V., Zhou, P., Zivko, T., and Zupanc, A.
Subjects: High Energy Physics - Experiment
Abstract: We report a measurement of $CP$ violating asymmetries in $B^0(\overline{B}^0) \to K^+ K^- K^0_S$ decays with a time-dependent Dalitz approach. This analysis is based on a data sample of $657\times 10^6$ $B\overline{B}$ pairs accumulated at the $\Upsilon(4S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^+e^-$ collider. As the result of an unbinned maximum likelihood fit to the selected candidates, the mixing-induced and direct $CP$ violation parameters, $\phi^{\rm eff}_1$ and ${\cal A}_{CP}$ are obtained for $B^0 \to \phi(1020) K^0_S$, $B^0 \to f_0(980) K^0_S$ and other $B^0 \to K^+ K^- K^0_S$ decays. We find four solutions that describe the data. There are \{eqnarray*} \phi_1^{\rm eff}(B^0\to \phi(1020) K^0_S) & = & (32.2 \pm 9.0 \pm 2.6 \pm 1.4)^{\circ}; \phi_1^{\rm eff}(B^0\to \phi(1020) K^0_S) & = & (26.2 \pm 8.8 \pm 2.7 \pm 1.2)^{\circ};\\ \phi_1^{\rm eff}(B^0\to \phi(1020) K^0_S) & = & (27.3 \pm 8.6 \pm 2.8 \pm 1.3)^{\circ}\; {\rm and}\\ \phi_1^{\rm eff}(B^0\to \phi(1020) K^0_S) & = & (24.3 \pm 8.0 \pm 2.9 \pm 5.2)^{\circ}.{eqnarray*}\ The values for the $CP$ violating phase in $B^0\to \phi(1020) K^0_S$ are similar but other properties of the Dalitz plot are quite different for the four solutions. These four solutions have consistent $\phi^{\rm eff}_1$ values for all three $B$ meson decay channels and none of them deviates significantly from the values measured in $B \to (c\bar{c}) K^0$ decays with the currently available statistics. In addition, we find no significant direct $CP$ violation., Comment: submitted to PRD
Published: 2010
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60. Observation of Bs->Ds()+Ds()- using e+e- collisions and a determination of the Bs-Bsbar width difference \Delta\Gamma_s

Author: Esen, S., Schwartz, A. J., Adachi, I., Aihara, H., Arinstein, K., Aulchenko, V., Aushev, T., Aziz, T., Bakich, A. M., Balagura, V., Barberio, E., Bay, A., Bischofberger, M., Bondar, A., Bozek, A., Bracko, M., Browder, T. E., Chang, M. -C., Chang, P., Chen, A., Chen, P., Cheon, B. G., Chiang, C. -C., Choi, Y., Dalseno, J., Dash, M., Dolezal, Z., Drasal, Z., Drutskoy, A., Eidelman, S., Goldenzweig, P., Golob, B., Ha, H., Haba, J., Hara, T., Hayasaka, K., Higuchi, T., Hoshi, Y., Hou, W. -S., Hsiung, Y. B., Hyun, H. J., Iijima, T., Inami, K., Itoh, R., Iwabuchi, M., Joshi, N. J., Julius, T., Kang, J. H., Kawasaki, T., Kichimi, H., Kim, H. J., Kim, H. O., Kim, J. H., Kim, Y. J., Kinoshita, K., Ko, B. R., Kodys, P., Korpar, S., Krizan, P., Krokovny, P., Kuhr, T., Kumita, T., Kwon, Y. -J., Kyeong, S. -H., Lange, J. S., Lee, S. -H., Liu, Y., Liventsev, D., Louvot, R., Matyja, A., McOnie, S., Miyata, H., Mizuk, R., Mohanty, G. B., Nakano, E., Nakao, M., Nakazawa, H., Natkaniec, Z., Neubauer, S., Nishida, S., Nitoh, O., Ohshima, T., Okuno, S., Olsen, S. L., Pakhlov, P., Park, C. W., Park, H., Park, H. K., Petric, M., Piilonen, L. E., Rohrken, M., Ryu, S., Sahoo, H., Sakai, Y., Schneider, O., Schwanda, C., Senyo, K., Sevior, M. E., Shapkin, M., Shen, C. P., Shiu, J. -G., Smerkol, P., Solovieva, E., Staric, M., Sumisawa, K., Sumiyoshi, T., Teramoto, Y., Trabelsi, K., Uehara, S., Unno, Y., Uno, S., Urquijo, P., Usov, Y., Varner, G., Varvell, K. E., Vervink, K., Wang, C. H., Wang, M. -Z., Wang, P., Watanabe, Y., Wedd, R., Wicht, J., Won, E., Yabsley, B. D., Yamashita, Y., Zhang, Z. P., Zhilich, V., and Zupanc, A.
Subjects: High Energy Physics - Experiment
Abstract: We have made the first observation of Bs->Ds(*)+Ds(*)- decays using 23.6 fb-1 of data recorded by the Belle experiment running on the Upsilon(5S) resonance. The branching fractions are measured to be B(B^0_s\ra D^+_s D^-_s) = (1.0\,^{+0.4}_{-0.3}\,^{+0.3}_{-0.2})%, B(B^0_s\ra D^{*\pm}_s D^{\mp}_s) = (2.8\,^{+0.8}_{-0.7}\,\pm 0.7)%, and B(B^0_s\ra D^{*+}_s D^{*-}_s) = (3.1\,^{+1.2}_{-1.0}\,\pm 0.8)%; the sum is B(B^0_s\ra D^{(*)+}_s D^{(*)-}_s) = (6.9\,^{+1.5}_{-1.3}\,\pm 1.9)%. Assuming Bs->Ds(*)+Ds(*)- saturates decays to CP-even final states, the branching fraction determines the ratio \Delta\Gamma_s/cos(\phi), where \Delta\Gamma_s is the difference in widths between the two Bs-Bsbar mass eigenstates, and \phi is a CP-violating weak phase. Taking CP violation to be negligibly small, we obtain \Delta\Gamma_s/\Gamma_s = 0.147^{+0.036}_{-0.030}(stat.)^{+0.044}_{-0.042}(syst.), where \Gamma_s is the mean decay width., Comment: 13 pages, 2 figures, 2 tables. v2: text added for clarification, version published in Phys. Rev. Letters
Published: 2010
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61. Observation of B_s0->D_s- pi+, B_s0->D_s()- rho+ Decays and Measurement of B_s0->D_s*- rho+ Polarization

Author: Louvot, R., Schneider, O., and al., T. Aushev et
Subjects: High Energy Physics - Experiment
Abstract: First observations of the B_s0->D_s*- pi+, B_s0->D_s- rho+ and B_s0->D_s*- rho+ decays are reported together with measurements of their branching fractions: B(B_s0->D_s*- pi+)=(2.4 +0.5-0.4(stat.) +-0.3(syst.) +-0.4(fs))x10^(-3), B(Bs->D_s- rho+)=(8.5 +1.3-1.2(stat.) +-1.1(syst.) +-1.3(fs))x10^(-3) and B(Bs->D_s*- rho+)=(11.8 +2.2-2.0(stat.) +-1.7(syst.) +-1.8(fs))x10^(-3) (f_s=N(B_s(*)B_s(*)-bar)/N(b b-bar)). From helicity-angle distributions, we measured the longitudinal polarization fraction in B_s0->D_s*- rho+ decays to be f_L(Bs->D_s*- rho+)=1.05 +0.08-0.10(stat.) +0.03-0.04(syst.). These results are based on a 23.6 /fb data sample collected at the Y(5S) resonance with the Belle detector at the KEKB e+e- collider., Comment: 6 pages, 2 figures; submitted to Phys. Rev. Lett.
Published: 2010
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62. First Measurement of Inclusive B -> X_s eta Decays

Author: Belle Collaboration, Nishimura, K., Browder, T. E., Adachi, I., Aihara, H., Arinstein, K., Aushev, T., Bakich, A. M., Balagura, V., Barberio, E., Belous, K., Bhardwaj, V., Bischofberger, M., Bondar, A., Bozek, A., Bracko, M., Chang, M. -C., Chao, Y., Chen, A., Chen, K. -F., Chen, P., Cheon, B. G., Chiang, C. -C., Cho, I. -S., Choi, Y., Dalseno, J., Danilov, M., Dolezal, Z., Drutskoy, A., Eidelman, S., Gabyshev, N., Golob, B., Ha, H., Haba, J., Hara, T., Hayasaka, K., Hayashii, H., Horii, Y., Hoshi, Y., Hou, W. -S., Hyun, H. J., Iijima, T., Inami, K., Itoh, R., Iwabuchi, M., Iwasaki, Y., Joshi, N. J., Julius, T., Kang, J. H., Kapusta, P., Kawai, H., Kawasaki, T., Kichimi, H., Kiesling, C., Kim, H. J., Kim, H. O., Kim, M. J., Kim, Y. J., Kinoshita, K., Ko, B. R., Kodys, P., Korpar, S., Krizan, P., Kumita, T., Kuzmin, A., Kwon, Y. -J., Kyeong, S. -H., Lange, J. S., Lee, M. J., Lee, S. -H., Li, J., Liu, C., Liu, Y., Liventsev, D., Louvot, R., Matyja, A., McOnie, S., Miyabayashi, K., Miyata, H., Miyazaki, Y., Mohanty, G. B., Mori, T., Nakano, E., Nakao, M., Natkaniec, Z., Nishida, S., Ogawa, S., Ohshima, T., Olsen, S. L., Ostrowicz, W., Pakhlova, G., Park, C. W., Park, H., Park, H. K., Park, K. S., Pestotnik, R., Petric, M., Piilonen, L. E., Rohrken, M., Ryu, S., Sahoo, H., Sakai, Y., Schneider, O., Schwanda, C., Schwartz, A. J., Senyo, K., Seon, O., Sevior, M. E., Shapkin, M., Shen, C. P., Shiu, J. -G., Simon, F., Smerkol, P., Sokolov, A., Solovieva, E., Staric, M., Sumiyoshi, T., Suzuki, S., Teramoto, Y., Trabelsi, K., Uehara, S., Uglov, T., Unno, Y., Uno, S., Varner, G., Varvell, K. E., Vervink, K., Wang, C. H., Wang, M. -Z., Wang, P., Watanabe, Y., Wicht, J., Williams, K. M., Won, E., Yamashita, Y., Yamauchi, M., Zhang, C. C., Zhang, Z. P., Zhou, P., Zhulanov, V., Zivko, T., Zupanc, A., and Zyukova, O.
Subjects: High Energy Physics - Experiment
Abstract: We report a first measurement of inclusive B -> X_s eta decays, where X_s is a charmless state with unit strangeness. The measurement is based on a pseudo-inclusive reconstruction technique and uses a sample of 657 x 10^6 BB-bar pairs accumulated with the Belle detector at the KEKB e^+e^- collider. For M_{X_s} < 2.6 GeV/c^2, we measure a branching fraction of (26.1 +/- 3.0 (stat) +1.9 -2.1 (syst) +4.0 -7.1 (model)) x 10^-5 and a direct CP asymmetry of A_{CP} = -0.13 +/- 0.04 +0.02 -0.03. Over half of the signal occurs in the range M_{X_s} > 1.8 GeV/c^2., Comment: 6 pages, 1 figure, 1 table, submitted to Physical Review Letters
Published: 2009
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63. Bs0 Decays at Belle

Author: Louvot, R.
Subjects: High Energy Physics - Experiment
Abstract: The large data sample being recorded with the Belle detector at the Y(5S) energy provides a unique opportunity to study the poorly-known Bs0 meson. Three analyses, using a sample of 23.6 /fb, are presented. We report the first observation of the three dominant exclusive Bs0 decays, Bs0 -> Ds*- pi+, Bs0 -> Ds- rho+ and Bs0 -> Ds*- rho+, the first observation of the CP-eigenstate decay Bs0 -> J/psi eta, and the results from a study of the charmless Bs0 -> K+K-, Bs0 -> K+pi-, Bs0 -> pi+pi- and Bs0 -> K0 K0bar decays., Comment: 5 pages, 3 figures; To appear in the proceedings of the 2009 Europhysics Conference on High Energy Physics, July 16-22, 2009, Krakow, Poland. v2: added ref. [17]. v3: accepted version
Published: 2009

64. Y(5S) Results at Belle

Author: Louvot, R.
Subjects: High Energy Physics - Experiment
Abstract: The data sample recorded with the Belle detector at the KEKB B factory (Tsukuba, Japan) operating at the Y(5S) energy provides interesting and new results about the Bs0 mesons and the Y(5S) resonance. Recent analyses, based on data samples collected at the Y(5S) resonance (23.6 /fb) or near it (7.9 /fb), are presented with a special focus on the final results on the Bs0 ->Ds- pi+ and Bs0 -> Ds-/+ K+/- decays, and on the intriguing Y(5S) -> Y(nS) pi+ pi- measurements., Comment: 4 pages, 5 figures, contributed talk presented at the Lake Louise Winter Institute 2009 (Alberta, Canada), 16 - 21 February 2009. v2: values for f(Bs*Bs*), f(Bs*Bs) and f(BsBs) corrected
Published: 2009

65. Measurement of the Decay B_s^0 -> D_s^- pi^+ and Evidence for B_s^0 -> D_s^{+/-} K^{-/+} in e+e- Annihilation at sqrt(s)~10.87 GeV

Author: The Belle Collaboration, Louvot, R., Wicht, J., and Schneider, O.
Subjects: High Energy Physics - Experiment
Abstract: We have studied Bs0 -> Ds- pi+ and Bs0 -> Ds^(-/+) K^(+/-) decays using 23.6 /fb of data collected at the Upsilon(5S) resonance with the Belle detector at the KEKB e+e- collider. This highly pure Bs0 -> Ds- pi+ sample is used to measure the branching fraction, BR(Bs0 -> Ds- pi+)=[3.67 +0.35,-0.33}(stat.) +0.43,-0.42(syst.) +-0.49(f_s)] x 10^{-3} (f_s=N(Bs(*) Bs(*)bar)/N(b\bar b)) and the fractions of Bs0 event types at the Upsilon(5S) energy, {in particular N(Bs* Bs*bar}/N(N(Bs(*) Bs(*)bar)=(90.1 +3.8,-4.0 +-0.2)%. We also determine the masses M(Bs0)=(5364.4 +-1.3 +-0.7) MeV/c^2 and M(Bs*)=(5416.4 +-0.4 +-0.5) MeV/c^2. In addition, we observe Bs0 -> Ds^(-/+) K^(+/-) decays with a significance of 3.5\sigma and measure BR(Bs0 -> Ds^(-/+) K^(+/-))=[2.4 +1.2,-1.0(stat.) +-0.3(syst.) +-0.3(f_s)] x 10^{-4}., Comment: 5 pages, 4 figures, accepted by PRL
Published: 2008
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66. 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
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67. 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
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68. Search for the Decay $B_s^0 \rightarrow ��^\prime ��$

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., Bele��o, 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., Bra��ko, M., Braun, N., Breibeck, F., Browder, T. E., Campajola, M., Cao, L., Caria, G., ��ervenkov, 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., Dole��al, Z., Dong, T. V., Dossett, D., Dr��sal, 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., Kody��, P., Koga, Y., Komarov, I., Konno, T., Korpar, S., Kotchetkov, D., Kri��an, 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., Kvasni��ka, 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., M��ller, 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., Panzenb��ck, 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., Pes��ntez, 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., Ribe��l, E., Ritter, M., R��hrken, 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., Schl��ter, 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., Stani��, S., Stari��, 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., and Zwahlen, N.
Subjects: High Energy Physics - Experiment (hep-ex), Mathematics::Number Theory, High Energy Physics::Phenomenology, FOS: Physical sciences, High Energy Physics::Experiment
Abstract: In the Standard Model (SM) charmless hadronic decays $B_s^0 \rightarrow ��^\prime ��$ 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 ��, ��^{\prime}, ��^{\prime}��^{\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 $B_s^0 \to ��^{\prime}��^{\prime}$ has been measured so far.
Published: 2021
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69. Study of $��_{bJ}(nP) \rightarrow ��(1S)$ at Belle

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., Bele��o, C., Belous, K., Bennett, J., Bernlochner, F., Bessner, M., Besson, D., Bhardwaj, V., Bhuyan, B., Bilka, T., Bilokin, S., Biswal, J., Bloomfield, T., Bobrov, A., Bodrov, D., Bondar, A., Bonvicini, G., Bozek, A., Bra\v, M., Branchini, P., Braun, N., Breibeck, F., Browder, T. E., Budano, A., Campajola, M., Cao, L., Caria, G., v, 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., De Pietro, G., Dhamija, R., Di Capua, F., Dingfelder, J., Dole\v, Z., Dong, T. V., Dossett, D., Dr��sal, Z., Dubey, S., Ecker, P., Eidelman, S., Epifanov, D., Feindt, M., Ferber, T., Frey, A., 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., Gong, G., Graziani, E., Greenwald, D., Perdekamp, M. Grosse, Grygier, J., Gu, T., Guan, Y., Gudkova, K., Guido, E., Guo, H., Haba, J., Hadjivasiliou, C., Halder, S., Hamer, P., Hara, K., Hara, T., Hartbrich, O., Hasenbusch, J., Hayasaka, K., Hayashii, H., Hazra, S., 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., 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., Kody\v, P., Koga, Y., Komarov, I., Konno, T., Korobov, A., Korpar, S., Kovalenko, E., Kri\v, 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., Kvasni\v, P., Kwon, Y. -J., Lai, Y. -T., Lalwani, K., Lange, J. S., Laurenza, M., 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. 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., M��ller, 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., 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., Panzenb��ck, E., Pardi, S., Park, C. -S., Park, C. W., Park, H., Park, K. S., Park, S. -H., Passeri, A., Patra, S., Paul, S., Pedlar, T. K., Peng, T., Pes\', 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., Ribe\v, E., Ritter, M., R\\\', M., 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., Schmolz, P., 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., Stani\v, S., Stari\v, M., Steder, M., Stottler, Z. S., 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., Tiwary, R., Trabelsi, K., Tsuboyama, T., Uchida, M., Ueda, I., Uehara, S., Uglov, T., Unno, Y., Uno, K., 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, D., Wang, E., Wang, M. -Z., Wang, P., Wang, X. L., Watanabe, M., Watanabe, Y., Watanuki, S., Wedd, R., Wehle, S., Werbycka, O., Widmann, E., Wiechczynski, J., 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., and Zwahlen, N.
Subjects: High Energy Physics - Experiment (hep-ex), High Energy Physics::Phenomenology, FOS: Physical sciences, High Energy Physics::Experiment
Abstract: We report results from a study of hadronic transitions of the $��_{bJ}(nP)$ states of bottomonium at Belle. The $P$-wave states are reconstructed in transitions to the $��(1S)$ with the emission of an $��$ meson. The transitions of the $n=2$ triplet states provide a unique laboratory in which to study nonrelativistic quantum chromodynamics, as the kinematic threshold for production of an $��$ and $��(1S)$ lies between the $J=0$ and $J=1$ states. A search for the $��_{bJ}(3P)$ states is also reported.
Published: 2021
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70. 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
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71. 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

72. 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
Full Text: View/download PDF

73. 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

74. 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
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75. 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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76. 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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77. Measurement of the $D^{\ast-}$ polarization in the decay $B^0 \to D^{\ast -}��^+��_��$

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., Badhrees, I., Bahinipati, S., Bakich, A. M., Ban, Y., Bansal, V., Barberio, E., Barrett, M., Bartel, W., Behera, P., Bele��o, 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., Bra��ko, M., Braun, N., Breibeck, F., Browder, T. E., Campajola, M., Cao, L., Caria, G., ��ervenkov, 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., Dole��al, Z., Dong, T. V., Dossett, D., Dr��sal, 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., 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., Kody��, P., Koga, Y., Konno, T., Korpar, S., Kotchetkov, D., Kouzes, R. T., Kri��an, P., Kroeger, R., Krohn, J. -F., Krokovny, P., Kronenbitter, B., Kuhr, T., Kulasiri, R., Kumar, R., Kumita, T., Kurihara, E., Kuroki, Y., Kuzmin, A., Kvasni��ka, 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., 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., M��ller, 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., Panzenb��ck, 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., Pes��ntez, 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., Ribe��l, 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., Schl��ter, T., Schneider, O., Schnell, G., Sch��nmeier, 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., Stani��, S., Stari��, 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: High Energy Physics - Experiment (hep-ex), High Energy Physics::Phenomenology, FOS: Physical sciences, High Energy Physics::Experiment
Abstract: We report the first measurement of the $D^{\ast -}$ meson polarization in the decay $B^0 \to D^{*-} ��^+��_��$ using the full data sample of 772$\times 10^6$ $B\bar{B}$ pairs recorded with the Belle detector at the KEKB electron-positron collider. Our result, $F_L^{D^\ast} = 0.60 \pm 0.08 ({\rm stat}) \pm 0.04 ({\rm sys})$, where $F_L^{D^\ast}$ denotes the $D^{\ast-}$ meson longitudinal polarization fraction, agrees within about $1.7$ standard deviations of the standard model prediction., 16 pages, 4 figures, CKM 2018
Published: 2019
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78. 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
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79. 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
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80. Precise determination of the CKM matrix element $\left| V_{cb}\right|$ with $\bar B^0 \to D^{*\,+} \, \ell^- \, \bar ��_\ell$ decays with hadronic tagging at Belle

Author: The Belle Collaboration, Abdesselam, A., Adachi, I., Adamczyk, K., Aihara, H., Said, S. Al, Arinstein, K., Arita, Y., Asner, D. M., Aso, T., Atmacan, H., Aulchenko, V., Aushev, T., Ayad, R., Aziz, T., Babu, V., Badhrees, I., Bahinipati, S., Bakich, A. M., Bala, A., Ban, Y., Bansal, V., Barberio, E., Barrett, M., Bartel, W., Bay, A., Behera, P., Belhorn, M., Belous, K., Berger, M., Bernlochner, F. U., Besson, D., Bhardwaj, V., Bhuyan, B., Biswal, J., Bloomfield, T., Blyth, S., Bobrov, A., Bondar, A., Bonvicini, G., Bookwalter, C., Boulahouache, C., Bozek, A., Bra��ko, M., Braun, N., Breibeck, F., Brodzicka, J., Browder, T. E., Waheed, E., ��ervenkov, D., Chang, M. -C., Chang, P., Chao, Y., Chekelian, V., Chen, A., Chen, K. -F., Chen, P., Cheon, B. G., Chilikin, K., Chistov, R., Cho, K., Chobanova, V., Choi, S. -K., Choi, Y., Cinabro, D., Crnkovic, J., Dalseno, J., Danilov, M., Dash, N., Di Carlo, S., Dingfelder, J., Dole��al, Z., Dossett, D., Dr��sal, Z., Drutskoy, A., Dubey, S., Dutta, D., Dutta, K., Eidelman, S., Epifanov, D., Falke, S., Farhat, H., Fast, J. E., Feindt, M., Ferber, T., Frey, A., Frost, O., Fulsom, B. G., Gaur, V., Gabyshev, N., Ganguly, S., Garmash, A., Gelb, M., Gemmler, J., Getzkow, D., Gillard, R., Giordano, F., Glattauer, R., Goh, Y. M., Goldenzweig, P., Golob, B., Greenwald, D., Perdekamp, M. Grosse, Grygier, J., Grzymkowska, O., Guan, Y., Guido, E., Guo, H., Haba, J., Hamer, P., Han, Y. L., 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., Himori, S., Hirose, S., Horiguchi, T., Hoshi, Y., Hoshina, K., Hou, W. -S., Hsiung, Y. B., Hsu, C. -L., Huschle, M., Hyun, H. J., Igarashi, Y., Iijima, T., Imamura, M., Inami, K., Inguglia, G., Ishikawa, A., Itagaki, K., Itoh, R., Iwabuchi, M., 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, D. Y., Kim, H. J., Kim, H. -J., Kim, J. B., Kim, J. H., Kim, K. T., Kim, M. J., Kim, S. H., Kim, S. K., Kim, Y. J., Kinoshita, K., Kleinwort, C., Klucar, J., Ko, B. R., Kobayashi, N., Koblitz, S., Kody��, P., Koga, Y., Korpar, S., Kotchetkov, D., Kouzes, R. T., Kri��an, P., Krokovny, P., Kronenbitter, B., Kuhr, T., Kulasiri, R., Kumar, R., Kumita, T., Kurihara, E., Kuroki, Y., Kuzmin, A., Kvasni��ka, P., Kwon, Y. -J., Lai, Y. -T., Lange, J. S., Lee, D. H., Lee, I. S., Lee, S. -H., Leitgab, M., Leitner, R., Levit, D., Lewis, P., Li, C. H., Li, H., Li, J., Li, L., Li, X., Li, Y., Gioi, L. Li, Libby, J., Limosani, A., Liu, C., Liu, Y., Liu, Z. Q., Liventsev, D., Loos, A., Louvot, R., Lubej, M., Lukin, P., Luo, T., MacNaughton, J., Masuda, M., Matsuda, T., Matvienko, D., Matyja, A., Metzner, F., McOnie, S., Mikami, Y., Miyabayashi, K., Miyachi, Y., Miyake, H., Miyata, H., Miyazaki, Y., Mizuk, R., Mohanty, G. B., Mohanty, S., Mohapatra, D., Moll, A., Moon, H. K., Mori, T., Morii, T., Moser, H. -G., Mrvar, M., M��ller, T., Muramatsu, N., Mussa, R., Nagamine, T., 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., Nedelkovska, E., Negishi, K., Neichi, K., Ng, C., Niebuhr, C., Niiyama, M., Nisar, N. K., Nishida, S., Nishimura, K., Nitoh, O., Nozaki, T., Ogawa, A., 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., Panzenb��ck, E., Park, C. -S., Park, C. W., Park, H., Park, K. S., Paul, S., Peak, L. S., Pedlar, T. K., Peng, T., Pes��ntez, L., Pestotnik, R., Peters, M., Petri��, M., Piilonen, L. E., Poluektov, A., Prasanth, K., Prim, M., Prothmann, K., Pulvermacher, C., Purohit, M. V., Rauch, J., Reisert, B., Ribe��l, E., Ritter, M., Rorie, J., Rostomyan, A., Rozanska, M., Rummel, S., Ryu, S., Sahoo, H., Salehi, M., Saito, T., Sakai, K., Sakai, Y., Sandilya, S., Santel, D., Santelj, L., Sanuki, T., Sasaki, J., Sasao, N., Sato, Y., Savinov, V., Schl��ter, T., Schneider, O., Schnell, G., Sch��nmeier, P., Schram, M., 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., Shimizu, N., Shinomiya, S., Shiu, J. -G., Shwartz, B., Sibidanov, A., Simon, F., Singh, J. B., Sinha, R., Smerkol, P., Sohn, Y. -S., Sokolov, A., Soloviev, Y., Solovieva, E., Stani��, S., Stari��, M., Steder, M., Strube, J. F., Stypula, J., Sugihara, S., Sugiyama, A., Sumihama, M., Sumisawa, K., Sumiyoshi, T., Suzuki, K., Suzuki, S., Suzuki, S. Y., Suzuki, Z., Takeichi, H., Takizawa, M., Tamponi, U., Tanaka, M., Tanaka, S., Tanida, K., Taniguchi, N., Taylor, G. N., Tenchini, F., Teramoto, Y., Tikhomirov, I., Trabelsi, K., Trusov, V., Tsuboyama, T., Uchida, M., Uchida, T., Uehara, S., Ueno, K., Uglov, T., Unno, Y., Uno, S., Uozumi, S., Urquijo, P., Ushiroda, Y., Usov, Y., Vahsen, S. E., 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, J., Wang, M. -Z., Wang, P., Wang, X. L., Watanabe, M., Watanabe, Y., Wedd, R., Wehle, S., White, E., Widmann, E., Wiechczynski, J., Williams, K. M., Won, E., Yabsley, B. D., Yamada, S., Yamamoto, H., Yamaoka, J., Yamashita, Y., Yamauchi, M., Yashchenko, S., Ye, H., Yelton, J., Yook, Y., Yuan, C. Z., Yusa, Y., Zhang, C. C., Zhang, L. M., Zhang, Z. P., Zhao, L., Zhilich, V., Zhukova, V., Zhulanov, V., Ziegler, M., Zivko, T., Zupanc, A., and Zwahlen, N.
Subjects: High Energy Physics - Experiment (hep-ex), High Energy Physics::Phenomenology, FOS: Physical sciences, High Energy Physics::Experiment
Abstract: The precise determination of the CKM matrix element $\left| V_{cb}\right|$ is important for carrying out tests of the flavour sector of the Standard Model. In this article we present a preliminary analysis of the $\bar B^0 \to D^{*\,+} \, \ell^- \, \bar ��_\ell$ decay mode and its charge conjugate, selected in events that contain a fully reconstructed $B$-meson, using 772 million $e^+ \, e^- \to ��(4S) \to B \bar B$ events recorded by the Belle detector at KEKB. Unfolded differential decay rates of four kinematic variables fully describing the $\bar B^0 \to D^{*\,+} \, \ell^- \, \bar ��_\ell$ decay in the $B$-meson rest frame are presented. We measure the total branching fraction $\mathcal{B}( \bar B^0 \to D^{*\,+} \, \ell^- \, \bar ��_\ell ) = \left(4.95 \pm 0.11 \pm 0.22 \right) \times 10^{-2}$, where the errors are statistical and systematic respectively. The value of $\left|V_{cb} \right|$ is determined to be $\left( 37.4 \pm 1.3 \right) \times 10^{-3}$. Both results are in good agreement with current world averages.
Published: 2017
Full Text: View/download PDF

81. Measurement of the tau Michel parameters $\bar��$ and $��$ in the radiative leptonic decay $��^- \rightarrow \ell^- ��_�� \bar��_{\ell}��$

Author: The Belle Collaboration, Shimizu, N., Aihara, H., Epifanov, D., Abdesselam, A., Adachi, I., Adamczyk, K., Said, S. Al, Arinstein, K., Arita, Y., Asner, D. M., Aso, T., Atmacan, H., Aulchenko, V., Aushev, T., Ayad, R., Aziz, T., Babu, V., Badhrees, I., Bahinipati, S., Bakich, A. M., Bala, A., Ban, Y., Bansal, V., Barberio, E., Barrett, M., Bartel, W., Bay, A., Behera, P., Belhorn, M., Belous, K., Berger, M., Bernlochner, F., Besson, D., Bhardwaj, V., Bhuyan, B., Biswal, J., Bloomfield, T., Blyth, S., Bobrov, A., Bondar, A., Bonvicini, G., Bookwalter, C., Boulahouache, C., Bozek, A., Bra��ko, M., Braun, N., Breibeck, F., Brodzicka, J., Browder, T. E., Waheed, E., ��ervenkov, D., Chang, M. -C., Chang, P., Chao, Y., Chekelian, V., Chen, A., Chen, K. -F., Chen, P., Cheon, B. G., Chilikin, K., Chistov, R., Cho, K., Chobanova, V., Choi, S. -K., Choi, Y., Cinabro, D., Crnkovic, J., Dalseno, J., Danilov, M., Dash, N., Di Carlo, S., Dingfelder, J., Dole��al, Z., Dossett, D., Dr��sal, Z., Drutskoy, A., Dubey, S., Dutta, D., Dutta, K., Eidelman, S., Farhat, H., Fast, J. E., Feindt, M., Ferber, T., Frey, A., Frost, O., Fulsom, B. G., Gaur, V., Gabyshev, N., Ganguly, S., Garmash, A., Gelb, M., Gemmler, J., Getzkow, D., Gillard, R., Giordano, F., Glattauer, R., Goh, Y. M., Goldenzweig, P., Golob, B., Greenwald, D., Perdekamp, M. Grosse, Grygier, J., Grzymkowska, O., Guan, Y., Guido, E., Guo, H., Haba, J., Hamer, P., Han, Y. L., 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., Himori, S., Hirose, S., Horiguchi, T., Hoshi, Y., Hoshina, K., Hou, W. -S., Hsiung, Y. B., Hsu, C. -L., Huschle, M., Hyun, H. J., Igarashi, Y., Iijima, T., Imamura, M., Inami, K., Inguglia, G., Ishikawa, A., Itagaki, K., Itoh, R., Iwabuchi, M., 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, D. Y., Kim, H. J., Kim, H. -J., Kim, J. B., Kim, J. H., Kim, K. T., Kim, M. J., Kim, S. H., Kim, S. K., Kim, Y. J., Kinoshita, K., Kleinwort, C., Klucar, J., Ko, B. R., Kobayashi, N., Koblitz, S., Kody��, P., Koga, Y., Korpar, S., Kotchetkov, D., Kouzes, R. T., Kri��an, P., Krokovny, P., Kronenbitter, B., Kuhr, T., Kulasiri, R., Kumar, R., Kumita, T., Kurihara, E., Kuroki, Y., Kuzmin, A., Kvasni��ka, P., Kwon, Y. -J., Lai, Y. -T., Lange, J. S., Lee, D. H., Lee, I. S., Lee, S. -H., Leitgab, M., Leitner, R., Levit, D., Lewis, P., Li, C. H., Li, H., Li, J., Li, L., Li, X., Li, Y., Gioi, L. Li, Libby, J., Limosani, A., Liu, C., Liu, Y., Liu, Z. Q., Liventsev, D., Loos, A., Louvot, R., Lubej, M., Lukin, P., Luo, T., MacNaughton, J., Masuda, M., Matsuda, T., Matvienko, D., Matyja, A., McOnie, S., Merola, M., Metzner, F., Mikami, Y., Miyabayashi, K., Miyachi, Y., Miyake, H., Miyata, H., Miyazaki, Y., Mizuk, R., Mohanty, G. B., Mohanty, S., Mohapatra, D., Moll, A., Moon, H. K., Mori, T., Morii, T., Moser, H. -G., Mrvar, M., M��ller, T., Muramatsu, N., Mussa, R., Nagamine, T., 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., Nedelkovska, E., Negishi, K., Neichi, K., Ng, C., Niebuhr, C., Niiyama, M., Nisar, N. K., Nishida, S., Nishimura, K., Nitoh, O., Nozaki, T., Ogawa, A., 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., Panzenb��ck, E., Pardi, S., Park, C. -S., Park, C. W., Park, H., Park, K. S., Paul, S., Peak, L. S., Pedlar, T. K., Peng, T., Pes��ntez, L., Pestotnik, R., Peters, M., Petri��, M., Piilonen, L. E., Poluektov, A., Prasanth, K., Prim, M., Prothmann, K., Pulvermacher, C., Purohit, M. V., Rauch, J., Reisert, B., Ribe��l, E., Ritter, M., Rorie, J., Rostomyan, A., Rozanska, M., Rummel, S., Ryu, S., Sahoo, H., Saito, T., Sakai, K., Sakai, Y., Salehi, M., Sandilya, S., Santel, D., Santelj, L., Sanuki, T., Sasaki, J., Sasao, N., Sato, Y., Savinov, V., Schl��ter, T., Schneider, O., Schnell, G., Sch��nmeier, P., Schram, M., 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., Smerkol, P., Sohn, Y. -S., Sokolov, A., Soloviev, Y., Solovieva, E., Stani��, S., Stari��, M., Steder, M., Strube, J. F., Stypula, J., Sugihara, S., Sugiyama, A., Sumihama, M., Sumisawa, K., Sumiyoshi, T., Suzuki, K., Suzuki, S., Suzuki, S. Y., Suzuki, Z., Takeichi, H., Takizawa, M., Tamponi, U., Tanaka, M., Tanaka, S., Tanida, K., Taniguchi, N., Taylor, G. N., Tenchini, F., Teramoto, Y., Tikhomirov, I., Trabelsi, K., Trusov, V., Tsuboyama, T., Uchida, M., Uchida, T., Uehara, S., Ueno, K., Uglov, T., Unno, Y., Uno, S., Uozumi, S., Urquijo, P., Ushiroda, Y., Usov, Y., Vahsen, S. E., 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, J., Wang, M. -Z., Wang, P., Wang, X. L., Watanabe, M., Watanabe, Y., Wedd, R., Wehle, S., White, E., Widmann, E., Wiechczynski, J., Williams, K. M., Won, E., Yabsley, B. D., Yamada, S., Yamamoto, H., Yamaoka, J., Yamashita, Y., Yamauchi, M., Yashchenko, S., Ye, H., Yelton, J., Yook, Y., Yuan, C. Z., Yusa, Y., Zhang, C. C., Zhang, L. M., Zhang, Z. P., Zhao, L., Zhilich, V., Zhukova, V., Zhulanov, V., Ziegler, M., Zivko, T., Zupanc, A., and Zwahlen, N.
Subjects: High Energy Physics - Experiment (hep-ex), High Energy Physics::Phenomenology, FOS: Physical sciences, High Energy Physics::Experiment
Abstract: We present a measurement of the Michel parameters of the $��$ lepton, $\bar��$ and $��$, in the radiative leptonic decay $��^- \rightarrow \ell^- ��_�� \bar��_{\ell} ��$ using 711~f$\mathrm{b}^{-1}$ of collision data collected with the Belle detector at the KEKB $e^+e^-$ collider. The Michel parameters are measured in an unbinned maximum likelihood fit to the kinematic distribution of $e^+e^-\rightarrow��^+��^-\rightarrow (��^+��^0 \bar��_��)(\ell^-��_��\bar��_{\ell}��)$ $(\ell=e$ or $��)$. The measured values of the Michel parameters are $\bar�� = -1.3 \pm 1.5 \pm 0.8$ and $��= 0.5 \pm 0.4 \pm 0.2$, where the first error is statistical and the second is systematic. This is the first measurement of these parameters. These results are consistent with the Standard Model predictions within their uncertainties and constrain the coupling constants of the generalized weak interaction.
Published: 2017
Full Text: View/download PDF

82. Observation of $D^0 \to \rho^0\gamma$ and Search for $CP$ Violation in Radiative Charm Decays

Author: Abdesselam, A., Adachi, I., Adamczyk, K., Aihara, H., Said, S. Al, Arinstein, K., Arita, Y., Asner, D. M., Aso, T., Atmacan, H., Aulchenko, V., Aushev, T., Ayad, R., Aziz, T., Babu, V., Badhrees, I., Bahinipati, S., Bakich, A. M., Bala, A., Ban, Y., Bansal, V., Barberio, E., Barrett, M., Bartel, W., Bay, A., Bedny, I., Behera, P., Belhorn, M., Belous, K., Besson, D., Bhardwaj, V., Bhuyan, B., Bischofberger, M., Biswal, J., Bloomfield, T., Blyth, S., Bobrov, A., Bondar, A., Bonvicini, G., Bookwalter, C., Boulahouache, C., Bozek, A., Bracko, M., Breibeck, F., Brodzicka, J., Browder, T. E., Cervenkov, D., Chang, M. C., Chang, P., Chao, Y., Chekelian, V., Chen, A., Chen, K. F., Chen, P., Cheon, B. G., Chilikin, K., Chistov, R., Cho, K., Chobanova, V., Choi, S. K., Choi, Y., Cinabro, D., Crnkovic, J., Dalseno, J., Danilov, M., Dash, N., Di Carlo, S., Dingfelder, J., Dolezal, Z., Drasal, Z., Drutskoy, A., Dubey, S., Dutta, D., Dutta, K., Eidelman, S., Epifanov, D., Esen, S., Farhat, H., Fast, J. E., Feindt, M., Ferber, T., Frey, A., Frost, O., Fujikawa, M., Fulsom, B. G., Gaur, V., Gabyshev, N., Ganguly, S., Garmash, A., Getzkow, D., Gillard, R., Giordano, F., Glattauer, R., Goh, Y. M., Goldenzweig, P., Golob, B., Greenwald, D., Grosse Perdekamp, M., Grygier, J., Grzymkowska, O., Guo, H., Haba, J., Hamer, P., Han, Y. L., 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., Himori, S., Hirose, S., Horiguchi, T., Hoshi, Y., Hoshina, K., Hou, W. S., Hsiung, Y. B., Hsu, C. L., Huschle, M., Hyun, H. J., Igarashi, Y., Iijima, T., Imamura, M., Inami, K., Inguglia, G., Ishikawa, A., Itagaki, K., Itoh, R., Iwabuchi, M., Iwasaki, M., Iwasaki, Y., Iwata, S., Jacobs, W. W., Jaegle, I., Jeon, H. B., Joffe, D., Jones, M., Joo, K. K., Julius, T., Kakuno, H., Kang, J. H., Kang, K. H., Kapusta, P., Kataoka, S. U., Kato, E., Kato, Y., Katrenko, P., Kawai, H., Kawasaki, T., Keck, T., Kichimi, H., Kiesling, C., Kim, B. H., Kim, D. Y., Kim, H. J., Kim, J. B., Kim, J. H., Kim, K. T., Kim, M. J., Kim, S. H., Kim, S. K., Kim, Y. J., Kinoshita, K., Kleinwort, C., Klucar, J., Ko, B. R., Kobayashi, N., Koblitz, S., Kodys, P., Koga, Y., Korpar, S., Kotchetkov, D., Kouzes, R. T., Krizan, P., Krokovny, P., Kronenbitter, B., Kuhr, T., Kumar, R., Kumita, T., Kurihara, E., Kuroki, Y., Kuzmin, A., Kvasnicka, P., Kwon, Y. J., Lai, Y. T., Lange, J. S., Lee, D. H., Lee, I. S., Lee, S. H., Leitgab, M., Leitner, R., Levit, D., Lewis, P., Li, C. H., Li, H., Li, J., Li, L., Li, X., Li, Y., Li Gioi, L., Libby, J., Limosani, A., Liu, C., Liu, Y., Liu, Z. Q., Liventsev, D., Loos, A., Louvot, R., Lubej, M., Lukin, P., Luo, T., MacNaughton, J., Masuda, M., Matsuda, T., Matvienko, D., Matyja, A., McOnie, S., Mikami, Y., Miyabayashi, K., Miyachi, Y., Miyake, H., Miyata, H., Miyazaki, Y., Mizuk, R., Mohanty, G. B., Mohanty, S., Mohapatra, D., Moll, A., Moon, H. K., Mori, T., Morii, T., Moser, H. G., Muller, T., Muramatsu, N., Mussa, R., Nagamine, T., 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., Nedelkovska, E., Negishi, K., Neichi, K., Ng, C., Niebuhr, C., Niiyama, M., Nisar, N. K., Nishida, S., Nishimura, K., Nitoh, O., Nozaki, T., Ogawa, A., Ogawa, S., Ohshima, T., Okuno, S., Olsen, S. L., Ono, Y., Onuki, Y., Ostrowicz, W., Oswald, C., Ozaki, H., Pakhlov, P., Pakhlova, G., Pal, B., Palka, H., Panzenbock, E., Park, C. S., Park, C. W., Park, H., Park, K. S., Paul, S., Peak, L. S., Pedlar, T. K., Peng, T., Pesantez, L., Pestotnik, R., Peters, M., Petric, M., Piilonen, L. E., Poluektov, A., Prasanth, K., Prim, M., Prothmann, K., Pulvermacher, C., Purohit, M. V., Rauch, J., Reisert, B., Ribezl, E., Ritter, M., Rohrken, M., Rorie, J., Rostomyan, A., Rozanska, M., Rummel, S., Ryu, S., Sahoo, H., Saito, T., Sakai, K., Sakai, Y., Sandilya, S., Santel, D., Santelj, L., Sanuki, T., Sasao, N., Sato, Y., Savinov, V., Schluter, T., Schneider, O., Schnell, G., Schonmeier, P., Schram, M., Schwanda, C., Schwartz, A. J., Schwenker, B., Seidl, R., Seino, Y., Sekiya, A., 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. 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D., Yamada, S., Yamamoto, H., Yamaoka, J., Yamashita, Y., Yamauchi, M., Yashchenko, S., Ye, Hua, Yelton, J., Yook, Y., Yuan, C. Z., Yusa, Y., Zhang, C. C., Zhang, L. M., Zhang, Z. P., Zhao, L., Zhilich, V., Zhukova, V., Zhulanov, V., Ziegler, M., Zivko, T., Zupanc, A., Zwahlen, N., and Zyukova, O.
Subjects: +Phi%281020%29+photon%22">D0 --> Phi(1020) photon, talk: La Thuile 2016/03/06, KEK-B, +rho%28770%290+photon%22">D0 --> rho(770)0 photon, BELLE, D0: radiative decay, D0: branching ratio, statistical, asymmetry: CP, experimental results, +K*%28892%290+photon%22">D0 --> K*(892)0 photon
Abstract: Physical review letters 118(5), 051801(2017). doi:10.1103/PhysRevLett.118.051801, We report the first observation of the radiative charm decay $D^{0}→ρ^{0}γ$ and the first search for CP violation in decays $D^{0}→ρ^{0}γ$, ϕγ, and $\bar{K}$*0(892)γ, using a data sample of 943 fb$^{−1}$ collected with the Belle detector at the KEKB asymmetric-energy $e^{+}e^−$ collider. The branching fraction is measured to be B($D^{0}→ρ^{0}γ$)=(1.77±0.30±0.07)×10$^{−5}$, where the first uncertainty is statistical and the second is systematic. The obtained CP asymmetries A$_{CP}$($D^{0}→ρ^{0}γ$)=+0.056±0.152±0.006, A$_{CP}$($D^{0}→ρ^{0}γ$) =− 0.094±0.066±0.001, and A$_{CP}$($D^{0}→\bar{K}*^{0}$γ)=−0.003±0.020±0.000 are consistent with no CP violation. We also present an improved measurement of the branching fractions B($D^{0}→ρ^{0}γ$)=(2.76±0.19±0.10)×10$^{−5}$ and B($D^{0}→\bar{K}*^{0}$γ)=(4.66±0.21±0.21)×10$^{−4}$., Published by American Physical Society, College Park, Md.
Published: 2017
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83. The Physics of the B Factories

Author: Bevan, A, Golob, B, Mannel, T, Prell, S, Yabsley, B, Aihara, H, Anulli, F, Arnaud, N, Aushev, T, Beneke, M, Beringer, J, Bianchi, F, Bigi, I, Bona, M, Brambilla, N, Brodzicka, J, Chang, P, Charles, M, Cheng, C, Cheng, H, Chistov, R, Colangelo, P, Coleman, J, Drutskoy, A, Druzhinin, V, Eidelman, S, Eigen, G, Eisner, A, Faccini, R, Flood, K, Gambino, P, Gaz, A, Gradl, W, Hayashii, H, Higuchi, T, Hulsbergen, W, Hurth, T, Iijima, T, Itoh, R, Jackson, P, Kass, R, Kolomensky, Y, Kou, E, Križan, P, Kronfeld, A, Kumano, S, Kwon, Y, Latham, T, Leith, D, Lüth, V, Martinez-Vidal, F, Meadows, B, Mussa, R, Nakao, M, Nishida, S, Ocariz, J, Olsen, S, Pakhlov, P, Pakhlova, G, Palano, A, Pich, A, Playfer, S, Poluektov, A, Porter, F, Robertson, S, Roney, J, Roodman, A, Sakai, Y, Schwanda, C, Schwartz, A, Seidl, R, Sekula, S, Steinhauser, M, Sumisawa, K, Swanson, E, Tackmann, F, Trabelsi, K, Uehara, S, Uno, S, van de Water, R, Vasseur, G, Verkerke, W, Waldi, R, Wang, M, Wilson, F, Zupan, J, Zupanc, A, Adachi, I, Albert, J, Banerjee, S, Bellis, M, Ben-Haim, E, Biassoni, P, Cahn, R, Cartaro, C, Chauveau, J, Chen, C, Chiang, C, Cowan, R, Dalseno, J, Davier, M, Davies, C, Dingfelder, J, Echenard, B, Epifanov, D, Fulsom, B, Gabareen, A, Gary, J, Godang, R, Graham, M, Hafner, A, Hamilton, B, Hartmann, T, Hayasaka, K, Hearty, C, Iwasaki, Y, Khodjamirian, A, Kusaka, A, Kuzmin, A, Lafferty, G, Lazzaro, A, Li, J, Lindemann, D, Long, O, Lusiani, A, Marchiori, G, Martinelli, M, Miyabayashi, K, Mizuk, R, Mohanty, G, Muller, D, Nakazawa, H, Ongmongkolkul, P, Pacetti, S, Palombo, F, Pedlar, T, Piilonen, L, Pilloni, A, Poireau, V, Prothmann, K, Pulliam, T, Rama, M, Ratcliff, B, Roudeau, P, Schrenk, S, Schroeder, T, Schubert, K, Shen, C, Shwartz, B, Soffer, A, Solodov, E, Somov, A, Starič, M, Stracka, S, Telnov, A, Todyshev, K, Tsuboyama, T, Uglov, T, Vinokurova, A, Walsh, J, Watanabe, Y, Won, E, Wormser, G, Wright, D, Ye, S, Zhang, C, Abachi, S, Abashian, A, Abe, K, Abe, N, Abe, R, Abe, 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Tatishvili, G., Tatomi, T., Tawada, M., Taylor, F., Taylor, G., Telnov, V., Teodorescu, L., Ter-Antonyan, R., Teramoto, Y., Teytelman, D., Thérin, G., Thiebaux, C., Thiessen, D., Thomas, E., Thompson, J., Thorne, F., Tian, X., Tibbetts, M., Tikhomirov, I., Tinslay, J., Tiozzo, G., Tisserand, V., Tocut, V., Toki, W., Tomassini, E., Tomoto, M., Tomura, T., Torassa, E., Torrence, E., Tosi, S., Touramanis, 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.
Published: 2014

84. Search for lepton-flavor and lepton-number-violating τ→ℓhh′ decay modes

Author: Miyazaki, Y., Hayasaka, K., Adachi, I., Aihara, H., Asner, D.M., Aulchenko, V., Aushev, T., Bakich, A.M., Bay, A., Bhardwaj, V., Bhuyan, B., Bischofberger, M., Bozek, A., Bračko, M., Browder, T.E., Chang, M.-C., Chen, A., Chen, P., Cheon, B.G., Chistov, R., Cho, K., Choi, Y., Dalseno, J., Doležal, Z., Drutskoy, A., Eidelman, S., Epifanov, D., Fast, J.E., Gaur, V., Gabyshev, N., Garmash, A., Goh, Y.M., Haba, J., Hayashii, H., Horii, Y., Hoshi, Y., Hou, W.-S., Hyun, H.J., Iijima, T., Inami, K., Ishikawa, A., Itoh, R., Iwabuchi, M., Iwasaki, Y., Julius, T., Kang, J.H., Kiesling, C., Kim, H.J., Kim, H.O., Kim, K.T., Kim, M.J., Kim, Y.J., Ko, B.R., Koblitz, S., Kodyš, P., Korpar, S., Križan, P., Krokovny, P., Kuzmin, A., Kwon, Y.-J., Lee, S.-H., Li, Y., Lim, C.-L., Liu, C., Liu, Z.Q., Liventsev, D., Louvot, R., Matvienko, D., McOnie, S., Miyabayashi, K., Miyata, H., Mizuk, R., Mohanty, G.B., Moll, A., Muramatsu, N., Nakano, E., Nakao, M., Nishida, S., Nishimura, K., Nitoh, O., Ogawa, S., Ohshima, T., Okuno, S., Onuki, Y., Pakhlov, P., Pakhlova, G., Park, C.W., Park, H.K., Petrič, M., Piilonen, L.E., Röhrken, M., Ryu, S., Sahoo, H., Sakai, Y., Sanuki, T., Sato, Y., Schneider, O., Schwanda, C., Senyo, K., Seon, O., Shapkin, M., Shen, C.P., Shibata, T.-A., Shiu, J.-G., Shwartz, B., Sibidanov, A., Simon, F., Singh, J.B., Smerkol, P., Sohn, Y.-S., Sokolov, A., Solovieva, E., Stanič, S., Starič, M., Sumiyoshi, T., Tatishvili, G., Teramoto, Y., Trabelsi, K., Tsuboyama, T., Uchida, M., Uehara, S., Unno, Y., Uno, S., Urquijo, P., Varner, G., Wang, C.H., Wang, P., Won, E., Yamashita, Y., Yusa, Y., Zhang, Z.P., and Zhulanov, V.
Subjects: Nuclear and High Energy Physics
Published: 2013
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85. Observation of $D^0\to \rho^0\gamma$ and search for $CP$ violation in radiative charm decays

Author: Abdesselam, A., Adachi, I., Aulchenko, V., Guo, H., Haba, J., Hamer, P., Han, Y. L., Hara, K., Hara, T., Hasegawa, Y., Hasenbusch, J., Hayasaka, K., Hayashii, H., Aushev, T., He, X. H., Heck, M., Hedges, M. T., Heffernan, D., Heider, M., Heller, A., Higuchi, T., Himori, S., Hirose, S., Horiguchi, T., Ayad, R., Hoshi, Y., Hoshina, K., Hou, W. S., Hsiung, Y. B., Hsu, C. L., Huschle, M., Hyun, H. J., Igarashi, Y., Iijima, T., Imamura, M., Aziz, T., Inami, K., Inguglia, G., Ishikawa, A., Itagaki, K., Itoh, R., Iwabuchi, M., Iwasaki, M., Iwasaki, Y., Iwata, S., Jacobs, W. W., Babu, V., Jaegle, I., Jeon, H. B., Joffe, D., Jones, M., Joo, K. K., Julius, T., Kakuno, H., Kang, J. H., Kang, K. H., Kapusta, P., Badhrees, I., Kataoka, S. U., Kato, E., Kato, Y., Katrenko, P., Kawai, H., Kawasaki, T., Keck, T., Kichimi, H., Kiesling, C., Kim, B. H., Bahinipati, S., Kim, D. Y., Kim, H. J., Kim, J. B., Kim, J. H., Kim, K. T., Kim, M. J., Kim, S. H., Kim, S. K., Kim, Y. J., Bakich, A. M., Kinoshita, K., Kleinwort, C., Klucar, J., Ko, B. R., Kobayashi, N., Koblitz, S., Kodys, P., Koga, Y., Korpar, S., Kotchetkov, D., Bala, A., Kouzes, R. T., Krizan, P., Krokovny, P., Kronenbitter, B., Kuhr, T., Kumar, R., Kumita, T., Kurihara, E., Kuroki, Y., Kuzmin, A., Ban, Y., Kvasnicka, P., Kwon, Y. J., Lai, Y. T., Lange, J. S., Lee, D. H., Lee, I. S., Lee, S. H., Leitgab, M., Leitner, R., Levit, D., Adamczyk, K., Bansal, V., Lewis, P., Li, C. H., Li, H., Li, J., Li, L., Li, X., Li, Y., Li Gioi, L., Libby, J., Limosani, A., Barberio, E., Liu, C., Liu, Y., Liu, Z. Q., Liventsev, D., Loos, A., Louvot, R., Lubej, M., Lukin, P., Luo, T., MacNaughton, J., Barrett, M., Masuda, M., Matsuda, T., Matvienko, D., Matyja, A., McOnie, S., Mikami, Y., Miyabayashi, K., Miyachi, Y., Miyake, H., Miyata, H., Bartel, W., Miyazaki, Y., Mizuk, R., Mohanty, G. B., Mohanty, S., Mohapatra, D., Moll, A., Moon, H. K., Mori, T., Morii, T., Moser, H. G., Bay, A., Muller, T., Muramatsu, N., Mussa, R., Nagamine, T., Nagasaka, Y., Nakahama, Y., Nakamura, I., Nakamura, K. R., Nakano, E., Nakano, H., Bedny, I., Nakano, T., Nakao, M., Nakayama, H., Nakazawa, H., Nanut, T., Nath, K. J., Natkaniec, Z., Nayak, M., Nedelkovska, E., Negishi, K., Behera, P., Neichi, K., Ng, C., Niebuhr, C., Niiyama, M., Nisar, N. K., Nishida, S., Nishimura, K., Nitoh, O., Nozaki, T., Ogawa, A., Belhorn, M., Ogawa, S., Ohshima, T., Okuno, S., Olsen, S. L., Ono, Y., Onuki, Y., Ostrowicz, W., Oswald, C., Ozaki, H., Pakhlov, P., Belous, K., Pakhlova, G., Pal, B., Palka, H., Panzenbock, E., Park, C. S., Park, C. W., Park, H., Park, K. S., Paul, S., Peak, L. S., Besson, D., Pedlar, T. K., Peng, T., Pesantez, L., Pestotnik, R., Peters, M., Petric, M., Piilonen, L. E., Poluektov, A., Prasanth, K., Prim, M., Aihara, H., Bhardwaj, V., Prothmann, K., Pulvermacher, C., Purohit, M. V., Rauch, J., Reisert, B., Ribezl, E., Ritter, M., Rohrken, M., Rorie, J., Rostomyan, A., Bhuyan, B., Rozanska, M., Rummel, S., Ryu, S., Sahoo, H., Saito, T., Sakai, K., Sakai, Y., Sandilya, S., Santel, D., Santelj, L., Bischofberger, M., Sanuki, T., Sasao, N., Sato, Y., Savinov, V., Schluter, T., Schneider, O., Schnell, G., Schonmeier, P., Schram, M., Schwanda, C., Biswal, J., Schwartz, A. J., Schwenker, B., Seidl, R., Seino, Y., Sekiya, A., Semmler, D., Senyo, K., Seon, O., Seong, I. S., Sevior, M. E., Bloomfield, T., Shang, L., Shapkin, M., Shebalin, V., Shen, C. P., Shibata, T. A., Shibuya, H., Shinomiya, S., Shiu, J. G., Shwartz, B., Sibidanov, A., Blyth, S., Simon, F., Singh, J. B., Sinha, R., Smerkol, P., Sohn, Y. S., Sokolov, A., Soloviev, Y., Solovieva, E., Stanic, S., Staric, M., Bobrov, A., Steder, M., Strube, J. F., Stypula, J., Sugihara, S., Sugiyama, A., Sumihama, M., Sumisawa, K., Sumiyoshi, T., Suzuki, K., Suzuki, S., Bondar, A., Suzuki, S. Y., Suzuki, Z., Takeichi, H., Takizawa, M., Tamponi, U., Tanaka, M., Tanaka, S., Tanida, K., Taniguchi, N., Taylor, G. N., Bonvicini, G., Teramoto, Y., Tikhomirov, I., Trabelsi, K., Trusov, V., Tse, Y. F., Tsuboyama, T., Uchida, M., Uchida, T., Uehara, S., Ueno, K., Bookwalter, C., Uglov, T., Unno, Y., Uno, S., Uozumi, S., Urquijo, P., Ushiroda, Y., Usov, Y., Vahsen, S. E., Van Hulse, C., Vanhoefer, P., Said, S. Al, Boulahouache, C., Varner, G., Varvell, K. E., Vervink, K., Vinokurova, A., Vorobyev, V., Vossen, A., Wagner, M. N., Wang, C. H., Wang, J., Wang, M. Z., Bozek, A., Wang, P., Wang, X. L., Watanabe, M., Watanabe, Y., Wedd, R., Wehle, S., White, E., Wiechczynski, J., Williams, K. M., Won, E., Bracko, M., Yabsley, B. D., Yamada, S., Yamamoto, H., Yamaoka, J., Yamashita, Y., Yamauchi, M., Yashchenko, S., Ye, Hua, Yelton, J., Yook, Y., Breibeck, F., Yuan, C. Z., Yusa, Y., Zhang, C. C., Zhang, L. M., Zhang, Z. P., Zhao, L., Zhilich, V., Zhukova, V., Zhulanov, V., Ziegler, M., Brodzicka, J., Zivko, T., Zupanc, A., Zwahlen, N., Zyukova, O., Belle Collaboration, Browder, T. E., Cervenkov, D., Chang, M. C., Chang, P., Chao, Y., Arinstein, K., Chekelian, V., Chen, A., Chen, K. F., Chen, P., Cheon, B. G., Chilikin, K., Chistov, R., Cho, K., Chobanova, V., Choi, S. K., Arita, Y., Choi, Y., Cinabro, D., Crnkovic, J., Dalseno, J., Danilov, M., Dash, N., Di Carlo, S., Dingfelder, J., Dolezal, Z., Drasal, Z., Asner, D. M., Drutskoy, A., Dubey, S., Dutta, D., Dutta, K., Eidelman, S., Epifanov, D., Esen, S., Farhat, H., Fast, J. E., Feindt, M., Aso, T., Ferber, T., Frey, A., Frost, O., Fujikawa, M., Fulsom, B. G., Gaur, V., Gabyshev, N., Ganguly, S., Garmash, A., Getzkow, D., Atmacan, H., Gillard, R., Giordano, F., Glattauer, R., Goh, Y. M., Goldenzweig, P., Golob, B., Greenwald, D., Grosse Perdekamp, M., Grygier, J., and Grzymkowska, O.
Subjects: branching ratio [D0], KEK-B, +Phi%281020%29+photon%22">D0 --> Phi(1020) photon, +K*%28892%290+photon%22">D0 --> K*(892)0 photon, radiative decay [D0], ddc:550, +rho%28770%290+photon%22">D0 --> rho(770)0 photon, BELLE, La Thuile 2016/03/06 [talk], CP [asymmetry], statistical, High Energy Physics - Experiment, experimental results
Abstract: We report the first observation of the radiative charm decay $D^0 \to \rho^0 \gamma$ and the first search for $CP$ violation in decays $D^0 \to \rho^0 \gamma$, $\phi\gamma$, and $\overline{K}{}^{*0} \gamma$, using a data sample of 943 fb$^{-1}$ collected with the Belle detector at the KEKB asymmetric-energy $e^+e^-$ collider. The branching fraction is measured to be $\mathcal{B}(D^0 \to \rho^0 \gamma)=(1.77 \pm 0.30 \pm 0.07) \times 10^{-5}$, where the first uncertainty is statistical and the second is systematic. The obtained $CP$ asymmetries, $\mathcal{A}_{CP}(D^0 \to \rho^0 \gamma)=+0.056 \pm 0.152 \pm 0.006$, $\mathcal{A}_{CP}(D^0 \to \phi \gamma)=-0.094 \pm 0.066 \pm 0.001$, and $\mathcal{A}_{CP}(D^0 \to \overline{K}{}^{*0} \gamma)=-0.003 \pm 0.020 \pm 0.000$, are consistent with no $CP$ violation. We also present an improved measurement of the branching fractions $\mathcal{B}(D^0 \to \phi \gamma)=(2.76 \pm 0.19 \pm 0.10) \times 10^{-5}$ and $\mathcal{B}(D^0 \to \overline{K}{}^{*0} \gamma)=(4.66 \pm 0.21 \pm 0.21) \times 10^{-4}$.
Published: 2016
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86. Evidence for the decay $B^{0}\to ��$

Author: Abdesselam, A., Adachi, I., Adamczyk, K., Aihara, H., Said, S. Al, Arinstein, K., Arita, Y., Asner, D. M., Aso, T., Atmacan, H., Aulchenko, V., Aushev, T., Ayad, R., Aziz, T., Babu, V., Badhrees, I., Bahinipati, S., Bakich, A. M., Bala, A., Ban, Y., Bansal, V., Barberio, E., Barrett, M., Bartel, W., Bay, A., Bedny, I., Behera, P., Belhorn, M., Belous, K., Berger, M., Besson, D., Bhardwaj, V., Bhuyan, B., Biswal, J., Bloomfield, T., Blyth, S., Bobrov, A., Bondar, A., Bonvicini, G., Bookwalter, C., Boulahouache, C., Bozek, A., Bra��ko, M., Breibeck, F., Brodzicka, J., Browder, T. E., Waheed, E., ��ervenkov, D., Chang, M. -C., Chang, P., Chao, Y., Chekelian, V., Chen, A., Chen, K. -F., Chen, P., Cheon, B. G., Chilikin, K., Chistov, R., Cho, K., Chobanova, V., Choi, S. -K., Choi, Y., Cinabro, D., Crnkovic, J., Dalseno, J., Danilov, M., Dash, N., Di Carlo, S., Dingfelder, J., Dole��al, Z., Dossett, D., Dr��sal, Z., Drutskoy, A., Dubey, S., Dutta, D., Dutta, K., Eidelman, S., Epifanov, D., Esen, S., Farhat, H., Fast, J. E., Feindt, M., Ferber, T., Frey, A., Frost, O., Fulsom, B. G., Gaur, V., Gabyshev, N., Ganguly, S., Garmash, A., Getzkow, D., Gillard, R., Giordano, F., Glattauer, R., Goh, Y. M., Goldenzweig, P., Golob, B., Greenwald, D., Perdekamp, M. Grosse, Grygier, J., Grzymkowska, O., Guo, H., Haba, J., Hamer, P., Han, Y. L., 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., Himori, S., Hirose, S., Horiguchi, T., Hoshi, Y., Hoshina, K., Hou, W. -S., Hsiung, Y. B., Hsu, C. -L., Huschle, M., Hyun, H. J., Igarashi, Y., Iijima, T., Imamura, M., Inami, K., Inguglia, G., Ishikawa, A., Itagaki, K., Itoh, R., Iwabuchi, M., Iwasaki, M., Iwasaki, Y., Iwata, S., Jacobs, W. W., Jaegle, I., Jeon, H. B., Jin, Y., Joffe, D., Jones, M., Joo, K. K., Julius, T., Kakuno, H., Kaliyar, A. B., Kang, J. H., Kang, K. H., Kapusta, P., Kataoka, S. U., Kato, E., Kato, Y., Katrenko, P., Kawai, H., Kawasaki, T., Keck, T., Kichimi, H., Kiesling, C., Kim, B. H., Kim, D. Y., Kim, H. J., Kim, H. -J., Kim, J. B., Kim, J. H., Kim, K. T., Kim, M. J., Kim, S. H., Kim, S. K., Kim, Y. J., Kinoshita, K., Kleinwort, C., Klucar, J., Ko, B. R., Kobayashi, N., Koblitz, S., Kody��, P., Koga, Y., Korpar, S., Kotchetkov, D., Kouzes, R. T., Kri��an, P., Krokovny, P., Kronenbitter, B., Kuhr, T., Kulasiri, R., Kumar, R., Kumita, T., Kurihara, E., Kuroki, Y., Kuzmin, A., Kvasni��ka, P., Kwon, Y. -J., Lai, Y. -T., Lange, J. S., Lee, D. H., Lee, I. S., Lee, S. -H., Leitgab, M., Leitner, R., Levit, D., Lewis, P., Li, C. H., Li, H., Li, J., Li, L., Li, X., Li, Y., Gioi, L. Li, Libby, J., Limosani, A., Liu, C., Liu, Y., Liu, Z. Q., Liventsev, D., Loos, A., Louvot, R., Lubej, M., Lukin, P., Luo, T., MacNaughton, J., Masuda, M., Matsuda, T., Matvienko, D., Matyja, A., McOnie, S., Mikami, Y., Miyabayashi, K., Miyachi, Y., Miyake, H., Miyata, H., Miyazaki, Y., Mizuk, R., Mohanty, G. B., Mohanty, S., Mohapatra, D., Moll, A., Moon, H. K., Mori, T., Morii, T., Moser, H. -G., M��ller, T., Muramatsu, N., Mussa, R., Nagamine, T., 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., Nedelkovska, E., Negishi, K., Neichi, K., Ng, C., Niebuhr, C., Niiyama, M., Nisar, N. K., Nishida, S., Nishimura, K., Nitoh, O., Nozaki, T., Ogawa, A., Ogawa, S., Ohshima, T., Okuno, S., Olsen, S. L., Ono, Y., Onuki, Y., Ostrowicz, W., Oswald, C., Ozaki, H., Pakhlov, P., Pakhlova, G., Pal, B., Palka, H., Panzenb��ck, E., Park, C. -S., Park, C. W., Park, H., Park, K. S., Paul, S., Peak, L. S., Pedlar, T. K., Peng, T., Pes��ntez, L., Pestotnik, R., Peters, M., Petri��, M., Piilonen, L. E., Poluektov, A., Prasanth, K., Prim, M., Prothmann, K., Pulvermacher, C., Purohit, M. V., Rauch, J., Reisert, B., Ribe��l, E., Ritter, M., Rorie, J., Rostomyan, A., Rozanska, M., Rummel, S., Ryu, S., Sahoo, H., Saito, T., Sakai, K., Sakai, Y., Sandilya, S., Santel, D., Santelj, L., Sanuki, T., Sasaki, J., Sasao, N., Sato, Y., Savinov, V., Schl��ter, T., Schneider, O., Schnell, G., Sch��nmeier, P., Schram, M., 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., Shimizu, N., Shinomiya, S., Shiu, J. -G., Shwartz, B., Sibidanov, A., Simon, F., Singh, J. B., Sinha, R., Smerkol, P., Sohn, Y. -S., Sokolov, A., Soloviev, Y., Solovieva, E., Stani��, S., Stari��, M., Steder, M., Strube, J. F., Stypula, J., Sugihara, S., Sugiyama, A., Sumihama, M., Sumisawa, K., Sumiyoshi, T., Suzuki, K., Suzuki, S., Suzuki, S. Y., Suzuki, Z., Takeichi, H., Takizawa, M., Tamponi, U., Tanaka, M., Tanaka, S., Tanida, K., Taniguchi, N., Taylor, G. N., Tenchini, F., Teramoto, Y., Tikhomirov, I., Trabelsi, K., Trusov, V., Tse, Y. F., Tsuboyama, T., Uchida, M., Uchida, T., Uehara, S., Ueno, K., Uglov, T., Unno, Y., Uno, S., Uozumi, S., Urquijo, P., Ushiroda, Y., Usov, Y., Vahsen, S. E., Van Hulse, C., Vanhoefer, P., Varner, G., Varvell, K. E., Vervink, K., Vinokurova, A., Vorobyev, V., Vossen, A., Wagner, M. N., Wang, C. H., Wang, J., Wang, M. -Z., Wang, P., Wang, X. L., Watanabe, M., Watanabe, Y., Wedd, R., Wehle, S., White, E., Widmann, E., Wiechczynski, J., Williams, K. M., Won, E., Yabsley, B. D., Yamada, S., Yamamoto, H., Yamaoka, J., Yamashita, Y., Yamauchi, M., Yashchenko, S., Ye, H., Yelton, J., Yook, Y., Yuan, C. Z., Yusa, Y., Zhang, C. C., Zhang, L. M., Zhang, Z. P., Zhao, L., Zhilich, V., Zhukova, V., Zhulanov, V., Ziegler, M., Zivko, T., Zupanc, A., Zwahlen, N., and Zyukova, O.
Subjects: High Energy Physics - Experiment (hep-ex), FOS: Physical sciences
Abstract: We report a search for $B^{0}\to ��$ with a data sample corresponding to an integrated luminosity of $698 \,{\rm fb}^{-1}$ containing $753 \times 10^{6}$ $B\bar{B}$ pairs collected at the $��(4S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^{+}e^{-}$ collider. The branching fraction is measured to be $\mathcal{B}(B^{0} \to ��) = (7.6^{+2.7 +1.4}_{-2.3 -1.6}) \times 10^{-7}$ at the level of 3.3 standard deviations above zero, which provides the first evidence for the decay $B^{0} \to ��$., 9 pages, 3 figures, ICHEP 2016
Published: 2016
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87. Measurement of the $��$ lepton polarization in the decay ${\bar B} \rightarrow D^* ��^- {\bar ��_��}$

Author: Abdesselam, A., Adachi, I., Adamczyk, K., Aihara, H., Said, S. Al, Arinstein, K., Arita, Y., Asner, D. M., Aso, T., Atmacan, H., Aulchenko, V., Aushev, T., Ayad, R., Aziz, T., Babu, V., Badhrees, I., Bahinipati, S., Bakich, A. M., Bala, A., Ban, Y., Bansal, V., Barberio, E., Barrett, M., Bartel, W., Bay, A., Bedny, I., Behera, P., Belhorn, M., Belous, K., Berger, M., Besson, D., Bhardwaj, V., Bhuyan, B., Biswal, J., Bloomfield, T., Blyth, S., Bobrov, A., Bondar, A., Bonvicini, G., Bookwalter, C., Boulahouache, C., Bozek, A., Bra��ko, M., Breibeck, F., Brodzicka, J., Browder, T. E., Waheed, E., ��ervenkov, D., Chang, M. -C., Chang, P., Chao, Y., Chekelian, V., Chen, A., Chen, K. -F., Chen, P., Cheon, B. G., Chilikin, K., Chistov, R., Cho, K., Chobanova, V., Choi, S. -K., Choi, Y., Cinabro, D., Crnkovic, J., Dalseno, J., Danilov, M., Dash, N., Di Carlo, S., Dingfelder, J., Dole��al, Z., Dossett, D., Dr��sal, Z., Drutskoy, A., Dubey, S., Dutta, D., Dutta, K., Eidelman, S., Epifanov, D., Esen, S., Farhat, H., Fast, J. E., Feindt, M., Ferber, T., Frey, A., Frost, O., Fulsom, B. G., Gaur, V., Gabyshev, N., Ganguly, S., Garmash, A., Getzkow, D., Gillard, R., Giordano, F., Glattauer, R., Goh, Y. M., Goldenzweig, P., Golob, B., Greenwald, D., Perdekamp, M. Grosse, Grygier, J., Grzymkowska, O., Guo, H., Haba, J., Hamer, P., Han, Y. L., 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., Himori, S., Hirose, S., Horiguchi, T., Hoshi, Y., Hoshina, K., Hou, W. -S., Hsiung, Y. B., Hsu, C. -L., Huschle, M., Hyun, H. J., Igarashi, Y., Iijima, T., Imamura, M., Inami, K., Inguglia, G., Ishikawa, A., Itagaki, K., Itoh, R., Iwabuchi, M., Iwasaki, M., Iwasaki, Y., Iwata, S., Jacobs, W. W., Jaegle, I., Jeon, H. B., Jin, Y., Joffe, D., Jones, M., Joo, K. K., Julius, T., Kakuno, H., Kaliyar, A. B., Kang, J. H., Kang, K. H., Kapusta, P., Kataoka, S. U., Kato, E., Kato, Y., Katrenko, P., Kawai, H., Kawasaki, T., Keck, T., Kichimi, H., Kiesling, C., Kim, B. H., Kim, D. Y., Kim, H. J., Kim, H. -J., Kim, J. B., Kim, J. H., Kim, K. T., Kim, M. J., Kim, S. H., Kim, S. K., Kim, Y. J., Kinoshita, K., Kleinwort, C., Klucar, J., Ko, B. R., Kobayashi, N., Koblitz, S., Kody��, P., Koga, Y., Korpar, S., Kotchetkov, D., Kouzes, R. T., Kri��an, P., Krokovny, P., Kronenbitter, B., Kuhr, T., Kulasiri, R., Kumar, R., Kumita, T., Kurihara, E., Kuroki, Y., Kuzmin, A., Kvasni��ka, P., Kwon, Y. -J., Lai, Y. -T., Lange, J. S., Lee, D. H., Lee, I. S., Lee, S. -H., Leitgab, M., Leitner, R., Levit, D., Lewis, P., Li, C. H., Li, H., Li, J., Li, L., Li, X., Li, Y., Gioi, L. Li, Libby, J., Limosani, A., Liu, C., Liu, Y., Liu, Z. Q., Liventsev, D., Loos, A., Louvot, R., Lubej, M., Lukin, P., Luo, T., MacNaughton, J., Masuda, M., Matsuda, T., Matvienko, D., Matyja, A., McOnie, S., Mikami, Y., Miyabayashi, K., Miyachi, Y., Miyake, H., Miyata, H., Miyazaki, Y., Mizuk, R., Mohanty, G. B., Mohanty, S., Mohapatra, D., Moll, A., Moon, H. K., Mori, T., Morii, T., Moser, H. -G., M��ller, T., Muramatsu, N., Mussa, R., Nagamine, T., 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., Nedelkovska, E., Negishi, K., Neichi, K., Ng, C., Niebuhr, C., Niiyama, M., Nisar, N. K., Nishida, S., Nishimura, K., Nitoh, O., Nozaki, T., Ogawa, A., Ogawa, S., Ohshima, T., Okuno, S., Olsen, S. L., Ono, Y., Onuki, Y., Ostrowicz, W., Oswald, C., Ozaki, H., Pakhlov, P., Pakhlova, G., Pal, B., Palka, H., Panzenb��ck, E., Park, C. -S., Park, C. W., Park, H., Park, K. S., Paul, S., Peak, L. S., Pedlar, T. K., Peng, T., Pes��ntez, L., Pestotnik, R., Peters, M., Petri��, M., Piilonen, L. E., Poluektov, A., Prasanth, K., Prim, M., Prothmann, K., Pulvermacher, C., Purohit, M. V., Rauch, J., Reisert, B., Ribe��l, E., Ritter, M., Rorie, J., Rostomyan, A., Rozanska, M., Rummel, S., Ryu, S., Sahoo, H., Saito, T., Sakai, K., Sakai, Y., Sandilya, S., Santel, D., Santelj, L., Sanuki, T., Sasaki, J., Sasao, N., Sato, Y., Savinov, V., Schl��ter, T., Schneider, O., Schnell, G., Sch��nmeier, P., Schram, M., 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., Shimizu, N., Shinomiya, S., Shiu, J. -G., Shwartz, B., Sibidanov, A., Simon, F., Singh, J. B., Sinha, R., Smerkol, P., Sohn, Y. -S., Sokolov, A., Soloviev, Y., Solovieva, E., Stani��, S., Stari��, M., Steder, M., Strube, J. F., Stypula, J., Sugihara, S., Sugiyama, A., Sumihama, M., Sumisawa, K., Sumiyoshi, T., Suzuki, K., Suzuki, S., Suzuki, S. Y., Suzuki, Z., Takeichi, H., Takizawa, M., Tamponi, U., Tanaka, M., Tanaka, S., Tanida, K., Taniguchi, N., Taylor, G. N., Tenchini, F., Teramoto, Y., Tikhomirov, I., Trabelsi, K., Trusov, V., Tse, Y. F., Tsuboyama, T., Uchida, M., Uchida, T., Uehara, S., Ueno, K., Uglov, T., Unno, Y., Uno, S., Uozumi, S., Urquijo, P., Ushiroda, Y., Usov, Y., Vahsen, S. E., Van Hulse, C., Vanhoefer, P., Varner, G., Varvell, K. E., Vervink, K., Vinokurova, A., Vorobyev, V., Vossen, A., Wagner, M. N., Wang, C. H., Wang, J., Wang, M. -Z., Wang, P., Wang, X. L., Watanabe, M., Watanabe, Y., Wedd, R., Wehle, S., White, E., Widmann, E., Wiechczynski, J., Williams, K. M., Won, E., Yabsley, B. D., Yamada, S., Yamamoto, H., Yamaoka, J., Yamashita, Y., Yamauchi, M., Yashchenko, S., Ye, H., Yelton, J., Yook, Y., Yuan, C. Z., Yusa, Y., Zhang, C. C., Zhang, L. M., Zhang, Z. P., Zhao, L., Zhilich, V., Zhukova, V., Zhulanov, V., Ziegler, M., Zivko, T., Zupanc, A., Zwahlen, N., and Zyukova, O.
Subjects: High Energy Physics - Experiment (hep-ex), High Energy Physics::Phenomenology, FOS: Physical sciences, High Energy Physics::Experiment
Abstract: We report the first measurement of the $��$ lepton polarization in the decay ${\bar B} \rightarrow D^* ��^- {\bar��_��}$ as well as a new measurement of the ratio of the branching fractions $R(D^{*}) = \mathcal{B}({\bar B} \rightarrow D^* ��^- {\bar��_��}) / \mathcal{B}({\bar B} \rightarrow D^* \ell^- {\bar��_{\ell}})$, where $\ell^-$ denotes an electron or a muon, with the decays $��^- \rightarrow ��^- ��_��$ and $��^- \rightarrow ��^- ��_��$. We use the full data sample of $772 \times 10^6$ $B{\bar B}$ pairs accumulated with the Belle detector at the KEKB electron-positron collider. Our preliminary results, $R(D^*) = 0.276 \pm 0.034{\rm (stat.)} ^{+0.029} _{-0.026}{\rm (syst.)}$ and $P_�� = -0.44 \pm 0.47 {\rm (stat.)} ^{+0.20} _{-0.17} {\rm (syst.)}$, are consistent with the theoretical predictions of the Standard Model within $0.6$ standard deviation., 31 pages, 6 figures, ICHEP 2016
Published: 2016
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88. Study of ��_{bJ}(1P) Properties in the Radiative ��(2S) Decays

Author: Abdesselam, A., Adachi, I., Adamczyk, K., Aihara, H., Said, S. Al, Arinstein, K., Arita, Y., Asner, D. M., Aso, T., Atmacan, H., Aulchenko, V., Aushev, T., Ayad, R., Aziz, T., Babu, V., Badhrees, I., Bahinipati, S., Bakich, A. M., Bala, A., Ban, Y., Bansal, V., Barberio, E., Barrett, M., Bartel, W., Bay, A., Bedny, I., Behera, P., Belhorn, M., Belous, K., Berger, M., Besson, D., Bhardwaj, V., Bhuyan, B., Biswal, J., Bloomfield, T., Blyth, S., Bobrov, A., Bondar, A., Bonvicini, G., Bookwalter, C., Boulahouache, C., Bozek, A., Bra��ko, M., Breibeck, F., Brodzicka, J., Browder, T. E., Waheed, E., ��ervenkov, D., Chang, M. -C., Chang, P., Chao, Y., Chekelian, V., Chen, A., Chen, K. -F., Chen, P., Cheon, B. G., Chilikin, K., Chistov, R., Cho, K., Chobanova, V., Choi, S. -K., Choi, Y., Cinabro, D., Crnkovic, J., Dalseno, J., Danilov, M., Dash, N., Di Carlo, S., Dingfelder, J., Dole��al, Z., Dossett, D., Dr��sal, Z., Drutskoy, A., Dubey, S., Dutta, D., Dutta, K., Eidelman, S., Epifanov, D., Esen, S., Farhat, H., Fast, J. E., Feindt, M., Ferber, T., Frey, A., Frost, O., Fulsom, B. G., Gaur, V., Gabyshev, N., Ganguly, S., Garmash, A., Getzkow, D., Gillard, R., Giordano, F., Glattauer, R., Goh, Y. M., Goldenzweig, P., Golob, B., Greenwald, D., Perdekamp, M. Grosse, Grygier, J., Grzymkowska, O., Guo, H., Haba, J., Hamer, P., Han, Y. L., 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., Himori, S., Hirose, S., Horiguchi, T., Hoshi, Y., Hoshina, K., Hou, W. -S., Hsiung, Y. B., Hsu, C. -L., Huschle, M., Hyun, H. J., Igarashi, Y., Iijima, T., Imamura, M., Inami, K., Inguglia, G., Ishikawa, A., Itagaki, K., Itoh, R., Iwabuchi, M., Iwasaki, M., Iwasaki, Y., Iwata, S., Jacobs, W. W., Jaegle, I., Jeon, H. B., Joffe, D., Jones, M., Joo, K. K., Julius, T., Kakuno, H., Kang, J. H., Kang, K. H., Kapusta, P., Kataoka, S. U., Kato, E., Kato, Y., Katrenko, P., Kawai, H., Kawasaki, T., Keck, T., Kichimi, H., Kiesling, C., Kim, B. H., Kim, D. Y., Kim, H. J., Kim, H. -J., Kim, J. B., Kim, J. H., Kim, K. T., Kim, M. J., Kim, S. H., Kim, S. K., Kim, Y. J., Kinoshita, K., Kleinwort, C., Klucar, J., Ko, B. R., Kobayashi, N., Koblitz, S., Kody��, P., Koga, Y., Korpar, S., Kotchetkov, D., Kouzes, R. T., Kri��an, P., Krokovny, P., Kronenbitter, B., Kuhr, T., Kulasiri, L., Kumar, R., Kumita, T., Kurihara, E., Kuroki, Y., Kuzmin, A., Kvasni��ka, P., Kwon, Y. -J., Lai, Y. -T., Lange, J. S., Lee, D. H., Lee, I. S., Lee, S. -H., Leitgab, M., Leitner, R., Levit, D., Lewis, P., Li, C. H., Li, H., Li, J., Li, L., Li, X., Li, Y., Gioi, L. Li, Libby, J., Limosani, A., Liu, C., Liu, Y., Liu, Z. Q., Liventsev, D., Loos, A., Louvot, R., Lubej, M., Lukin, P., Luo, T., MacNaughton, J., Masuda, M., Matsuda, T., Matvienko, D., Matyja, A., McOnie, S., Mikami, Y., Miyabayashi, K., Miyachi, Y., Miyake, H., Miyata, H., Miyazaki, Y., Mizuk, R., Mohanty, G. B., Mohanty, S., Mohapatra, D., Moll, A., Moon, H. K., Mori, T., Morii, T., Moser, H. -G., M��ller, T., Muramatsu, N., Mussa, R., Nagamine, T., 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., Nedelkovska, E., Negishi, K., Neichi, K., Ng, C., Niebuhr, C., Niiyama, M., Nisar, N. K., Nishida, S., Nishimura, K., Nitoh, O., Nozaki, T., Ogawa, A., Ogawa, S., Ohshima, T., Okuno, S., Olsen, S. L., Ono, Y., Onuki, Y., Ostrowicz, W., Oswald, C., Ozaki, H., Pakhlov, P., Pakhlova, G., Pal, B., Palka, H., Panzenb��ck, E., Park, C. -S., Park, C. W., Park, H., Park, K. S., Paul, S., Peak, L. S., Pedlar, T. K., Peng, T., Pes��ntez, L., Pestotnik, R., Peters, M., Petri��, M., Piilonen, L. E., Poluektov, A., Prasanth, K., Prim, M., Prothmann, K., Pulvermacher, C., Purohit, M. V., Rauch, J., Reisert, B., Ribe��l, E., Ritter, M., R��hrken, M., Rorie, J., Rostomyan, A., Rozanska, M., Rummel, S., Ryu, S., Sahoo, H., Saito, T., Sakai, K., Sakai, Y., Sandilya, S., Santel, D., Santelj, L., Sanuki, T., Sasao, N., Sato, Y., Savinov, V., Schl��ter, T., Schneider, O., Schnell, G., Sch��nmeier, P., Schram, M., 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., Smerkol, P., Sohn, Y. -S., Sokolov, A., Soloviev, Y., Solovieva, E., Stani��, S., Stari��, M., Steder, M., Strube, J. F., Stypula, J., Sugihara, S., Sugiyama, A., Sumihama, M., Sumisawa, K., Sumiyoshi, T., Suzuki, K., Suzuki, S., Suzuki, S. Y., Suzuki, Z., Takeichi, H., Takizawa, M., Tamponi, U., Tanaka, M., Tanaka, S., Tanida, K., Taniguchi, N., Taylor, G. N., Tenchini, F., Teramoto, Y., Tikhomirov, I., Trabelsi, K., Trusov, V., Tse, Y. F., Tsuboyama, T., Uchida, M., Uchida, T., Uehara, S., Ueno, K., Uglov, T., Unno, Y., Uno, S., Uozumi, S., Urquijo, P., Ushiroda, Y., Usov, Y., Vahsen, S. E., Van Hulse, C., Vanhoefer, P., Varner, G., Varvell, K. E., Vervink, K., Vinokurova, A., Vorobyev, V., Vossen, A., Wagner, M. N., Wang, C. H., Wang, J., Wang, M. -Z., Wang, P., Wang, X. L., Watanabe, M., Watanabe, Y., Wedd, R., Wehle, S., White, E., Widmann, E., Wiechczynski, J., Williams, K. M., Won, E., Yabsley, B. D., Yamada, S., Yamamoto, H., Yamaoka, J., Yamashita, Y., Yamauchi, M., Yashchenko, S., Ye, H., Yelton, J., Yook, Y., Yuan, C. Z., Yusa, Y., Zhang, C. C., Zhang, L. M., Zhang, Z. P., Zhao, L., Zhilich, V., Zhukova, V., Zhulanov, V., Ziegler, M., Zivko, T., Zupanc, A., Zwahlen, N., and Zyukova, O.
Subjects: High Energy Physics - Experiment (hep-ex), FOS: Physical sciences, High Energy Physics::Experiment, Nuclear Experiment
Abstract: We report a study of radiative decays of ��_{bJ}(1P)(J=0,1,2) mesons into 74 hadronic final states comprising charged and neutral pions, kaons, protons; out of these, 41 modes are observed with at least 5 standard deviation significance. Our measurements not only improve the previous measurements by the CLEO Collaboration but also lead to first observations in many new modes. The large sample allows us to probe the total decay width of the ��_{b0}(1P). In the absence of a statistically significant result, a 90% confidence-level upper limit is set on the width at ��_{total}< 2.4 MeV. Our results are based on 24.7 fb^{-1} of e+e- collision data recorded by the Belle detector at the ��(2S) resonance, corresponding to (157.8\pm3.6)\times10^6 ��(2S) decays.
Published: 2016
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89. Measurement of cross sections of exclusive e+e−→VP processes at s=10.58 GeV

Author: Belous, K., Shapkin, M., Adachi, I., Aihara, H., Arinstein, K., Aulchenko, V., Bakich, A.M., Balagura, V., Barberio, E., Bartel, W., Bay, A., Bischofberger, M., Bondar, A., Bozek, A., Bračko, M., Browder, T.E., Chang, P., Chao, Y., Chen, A., Cheon, B.G., Cho, I.-S., Choi, S.-K., Choi, Y., Dalseno, J., Dash, M., Drutskoy, A., Eidelman, S., Epifanov, D., Gabyshev, N., Garmash, A., Ha, H., Horii, Y., Hoshi, Y., Hou, W.-S., Hyun, H.J., Iijima, T., Inami, K., Ishikawa, A., Itoh, R., Iwasaki, M., Joshi, N.J., Kah, D.H., Katayama, N., Kawai, H., Kawasaki, T., Kim, H.O., Kim, J.H., Kim, Y.I., Kim, Y.J., Ko, B.R., Križan, P., Krokovny, P., Kumar, R., Kuzmin, A., Kwon, Y.-J., Kyeong, S.-H., Lee, M.J., Lee, S.-H., Lesiak, T., Limosani, A., Liu, C., Liventsev, D., Louvot, R., Matyja, A., McOnie, S., Miyata, H., Mizuk, R., Mori, T., Nagasaka, Y., Nishida, S., Nitoh, O., Ohshima, T., Okuno, S., Ozaki, H., Pakhlov, P., Pakhlova, G., Park, C.W., Park, H.K., Pestotnik, R., Piilonen, L.E., Poluektov, A., Sakai, Y., Schneider, O., Schwanda, C., Senyo, K., Sevior, M.E., Shebalin, V., Shen, C.P., Shiu, J.-G., Shwartz, B., Sokolov, A., Stanič, S., Starič, M., Stypula, J., Sumiyoshi, T., Taylor, G.N., Teramoto, Y., Trabelsi, K., Uehara, S., Unno, Y., Uno, S., Usov, Y., Varner, G., Varvell, K.E., Vervink, K., Vinokurova, A., Wang, C.H., Wang, P., Watanabe, Y., Wedd, R., Won, E., Yabsley, B.D., Yamamoto, H., Yamashita, Y., Zhilich, V., Zhulanov, V., Zivko, T., Zupanc, A., and Zyukova, O.
Subjects: Nuclear and High Energy Physics
Published: 2009
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90. Energy scan of the $e^+e^- \to h_b(nP)\pi^+\pi^-$ $(n=1,2)$ cross sections and evidence for the $\Upsilon(11020)$ decays into charged bottomonium-like states

Author: Abdesselam, A., Adachi, I., Aulchenko, V., Han, Y. L., Hara, K., Hara, T., Hasegawa, Y., Hasenbusch, J., Hayasaka, K., Hayashii, H., He, X. H., Heck, M., Hedges, M., Aushev, T., Heffernan, D., Heider, M., Heller, A., Higuchi, T., Himori, S., Hirose, S., Horiguchi, T., Hoshi, Y., Hoshina, K., Hou, W. -S., Ayad, R., Hsiung, Y. B., Hsu, C. -L., Huschle, M., Hyun, H. J., Igarashi, Y., Iijima, T., Imamura, M., Inami, K., Inguglia, G., Ishikawa, A., Aziz, T., Itagaki, K., Itoh, R., Iwabuchi, M., Iwasaki, M., Iwasaki, Y., Iwashita, T., Iwata, S., Jacobs, W. W., Jaegle, I., Jeon, H. B., Babu, V., Joffe, D., Jones, M., Joo, K. K., Julius, T., Kakuno, H., Kang, J. H., Kang, K. H., Kapusta, P., Kataoka, S. U., Katayama, N., Badhrees, I., Kato, E., Kato, Y., Katrenko, P., Kawai, H., Kawasaki, T., Kichimi, H., Kiesling, C., Kim, B. H., Kim, D. Y., Kim, H. J., Bahinipati, S., Kim, J. B., Kim, J. H., Kim, K. T., Kim, M. J., Kim, S. H., Kim, S. K., Kim, Y. J., Kinoshita, K., Kleinwort, C., Klucar, J., Bakich, A. M., Ko, B. R., Kobayashi, N., Koblitz, S., Kodyš, P., Koga, Y., Korpar, S., Kouzes, R. T., Križan, P., Krokovny, P., Kronenbitter, B., Bala, A., Kuhr, T., Kumar, R., Kumita, T., Kurihara, E., Kuroki, Y., Kuzmin, A., Kvasnička, P., Kwon, Y. -J., Lai, Y. -T., Lange, J. S., Ban, Y., Lee, D. H., Lee, I. S., Lee, S. -H., Leitgab, M., Leitner, R., Levit, D., Lewis, P., Li, C., Li, H., Li, J., Adamczyk, K., Bansal, V., Li, L., Li, X., Li, Y., Li Gioi, L., Libby, J., Limosani, A., Liu, C., Liu, Y., Liu, Z. Q., Liventsev, D., Barberio, E., Loos, A., Louvot, R., Lukin, P., MacNaughton, J., Masuda, M., Matvienko, D., Matyja, A., McOnie, S., Mikami, Y., Miyabayashi, K., Barrett, M., Miyachi, Y., Miyake, H., Miyata, H., Miyazaki, Y., Mizuk, R., Mohanty, G. B., Mohanty, S., Mohapatra, D., Moll, A., Moon, H. K., Bartel, W., Mori, T., Moser, H. -G., Müller, T., Muramatsu, N., Mussa, R., Nagamine, T., Nagasaka, Y., Nakahama, Y., Nakamura, I., Nakamura, K., Bay, A., Nakano, E., Nakano, H., Nakano, T., Nakao, M., Nakayama, H., Nakazawa, H., Nanut, T., Natkaniec, Z., Nayak, M., Nedelkovska, E., Bedny, I., Negishi, K., Neichi, K., Ng, C., Niebuhr, C., Niiyama, M., Nisar, N. K., Nishida, S., Nishimura, K., Nitoh, O., Nozaki, T., Behera, P., Ogawa, A., Ogawa, S., Ohshima, T., Okuno, S., Olsen, S. L., Ono, Y., Onuki, Y., Ostrowicz, W., Oswald, C., Ozaki, H., Belhorn, M., Pakhlov, P., Pakhlova, G., Pal, B., Palka, H., Panzenböck, E., Park, C. -S., Park, C. W., Park, H., Park, K. S., Paul, S., Belous, K., Peak, L. S., Pedlar, T. K., Peng, T., Pesantez, L., Pestotnik, R., Peters, M., Petrič, M., Piilonen, L. E., Poluektov, A., Prasanth, K., Bhardwaj, V., Prim, M., Prothmann, K., Pulvermacher, C., Purohit, M. 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P., Zhao, L., Zhilich, V., Zhulanov, V., Ziegler, M., Zivko, T., Zupanc, A., Zwahlen, N., Browder, T. E., Zyukova, O., Belle Collaboration, Červenkov, D., Chang, M. -C., Chang, P., Chao, Y., Chekelian, V., Chen, A., Arinstein, K., Chen, K. -F., Chen, P., Cheon, B. G., Chilikin, K., Chistov, R., Cho, K., Chobanova, V., Choi, S. -K., Choi, Y., Cinabro, D., Arita, Y., Crnkovic, J., Dalseno, J., Danilov, M., Dash, N., Di Carlo, S., Dingfelder, J., Doležal, Z., Drásal, Z., Drutskoy, A., Dubey, S., Asner, D. M., Dutta, D., Dutta, K., Eidelman, S., Epifanov, D., Esen, S., Farhat, H., Fast, J. E., Feindt, M., Ferber, T., Frey, A., Aso, T., Frost, O., Fujikawa, M., Fulsom, B. G., Gaur, V., Gabyshev, N., Ganguly, S., Garmash, A., Getzkow, D., Gillard, R., Giordano, F., Atmacan, H., Glattauer, R., Goh, Y. M., Golob, B., Greenwald, D., Grosse Perdekamp, M., Grygier, J., Grzymkowska, O., Guo, H., Haba, J., and Hamer, P.
Subjects: intermediate state, statistics, ddc:550, BELLE, structure, Upsilon(11020), Particle Physics - Experiment, High Energy Physics - Experiment, energy dependence
Abstract: Using data collected with the Belle detector at the KEKB asymmetric-energy $e^+e^-$ collider, we measure the energy dependence of the $e^+e^- \to h_b(nP)\pi^+\pi^-$ $(n=1,2)$ cross sections from thresholds up to $11.02\,$GeV. We find clear $\Upsilon(10860)$ and $\Upsilon(11020)$ peaks with little or no continuum contribution. We study the resonant substructure of the $\Upsilon(11020) \to h_b(nP)\pi^+\pi^-$ transitions and find evidence that they proceed entirely via the intermediate isovector states $Z_b(10610)$ and $Z_b(10650)$. The relative fraction of these states is loosely constrained by the current data: the hypothesis that only $Z_b(10610)$ is produced is excluded at the level of 3.3 standard deviations, while the hypothesis that only $Z_b(10650)$ is produced is not excluded at a significant level., Comment: 8 pages, 4 figures, submitted to Physical Review Letters
Published: 2015
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91. [Review to:] The Physics of the B Factories

Author: Bevan, A. J., Golob, B., Mannel, Th., Prell, S., Yabsley, B. D., 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, Yu. G., Kou, E., Križan, P., Kronfeld, A., Kumano, S., Kwon, Y. J., Latham, T. E., Leith, D. W. G. S., Lüth, V., 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, Sw., 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., Starič, M., Stracka, S., Telnov, A. V., Todyshev, K. Yu., 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, K., 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, D., Andreotti, M., Andress, J. C., Angelini, C., Anipko, D., Anjomshoaa, A., Anthony, P. L., Antillon, E. A., Antonioli, E., Aoki, K., Arguin, J. 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R., Kharakh, D., Kibayashi, A., Kichimi, H., Kiesling, C., Kikuchi, M., Kikutani, E., Kim, B. H., Kim, C. H., Kim, D. W., Kim, H., Kim, H. J., Kim, H. O., Kim, H. W., Kim, J. B., Kim, J. H., Kim, K. T., Kim, M. J., Kim, P., Kim, S. K., Kim, S. M., Kim, T. H., Kim, Y. I., Kim, Y. J., King, G. J., Kinoshita, K., Kirk, A., Kirkby, D., Kitayama, I., Klemetti, M., Klose, V., Klucar, J., Knecht, N. S., Knoepfel, K. J., Knowles, D. J., B. R., Ko, Kobayashi, N., Kobayashi, S., Kobayashi, T., Kobel, M. J., Koblitz, S., Koch, H., Kocian, M. L., Kodyš, P., Koeneke, K., Kofler, R., Koike, S., Koishi, S., Koiso, H., Kolb, J. A., Kolya, S. D., Kondo, Y., Konishi, H., Koppenburg, P., Koptchev, V. B., Kordich, T. M. B., Korol, A. A., Korotushenko, K., Korpar, S., Kouzes, R. T., Kovalskyi, D., Kowalewski, R., Kozakai, Y., Kozanecki, W., Kral, J. F., Krasnykh, A., Krause, R., Kravchenko, E. 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M., Zhulanov, V., Ziegler, T., Ziegler, V., Zioulas, G., Zisman, M., Zito, M., Zürcher, D., Zwahlen, N., Zyukova, O., Živko, T., and Žontar, D.
Subjects: Physics and Astronomy (miscellaneous), Engineering (miscellaneous), Settore ING-INF/01 - Elettronica
Published: 2014

92. Measurement of the branching fraction of $B^+ \to ��^+ ��_��$ decays with the semileptonic tagging method and the full Belle data sample

Author: Belle Collaboration, Abdesselam, A., Adachi, I., Adamczyk, K., Aihara, H., Said, S. Al, Arinstein, K., Arita, Y., Asner, D. M., Aso, T., Aulchenko, V., Aushev, T., Ayad, R., Aziz, T., Bahinipati, S., Bakich, A. M., Bala, A., Ban, Y., Bansal, V., Barberio, E., Barrett, M., Bartel, W., Bay, A., Bedny, I., Behera, P., Belhorn, M., Belous, K., Bhardwaj, V., Bhuyan, B., Bischofberger, M., Blyth, S., Bobrov, A., Bondar, A., Bonvicini, G., Bookwalter, C., Boulahouache, C., Bozek, A., Bra��ko, M., Brodzicka, J., Brovchenko, O., Browder, T. E., ��ervenkov, D., Chang, M. -C., Chang, P., Chao, Y., Chekelian, V., Chen, A., Chen, K. -F., Chen, P., Cheon, B. G., Chilikin, K., Chistov, R., Cho, K., Chobanova, V., Choi, S. -K., Choi, Y., Cinabro, D., Crnkovic, J., Dalseno, J., Danilov, M., Dingfelder, J., Dole��al, Z., Dr��sal, Z., Drutskoy, A., Dutta, D., Dutta, K., Eidelman, S., Epifanov, D., Esen, S., Farhat, H., Fast, J. E., Feindt, M., Ferber, T., Frey, A., Frost, O., Fujikawa, M., Gaur, V., Gabyshev, N., Ganguly, S., Garmash, A., Gillard, R., Giordano, F., Glattauer, R., Goh, Y. M., Golob, B., Perdekamp, M. Grosse, Grzymkowska, O., Guo, H., Haba, J., Hamer, P., Han, Y. L., Hara, K., Hara, T., Hasegawa, Y., Hasenbusch, J., Hayasaka, K., Hayashii, H., He, X. H., Heck, M., Heffernan, D., Heider, M., Higuchi, T., Himori, S., Horiguchi, T., Horii, Y., Hoshi, Y., Hoshina, K., Hou, W. -S., Hsiung, Y. B., Huschle, M., Hyun, H. J., Igarashi, Y., Iijima, T., Imamura, M., Inami, K., Ishikawa, A., Itagaki, K., Itoh, R., Iwabuchi, M., Iwasaki, M., Iwasaki, Y., Iwashita, T., Iwata, S., Jaegle, I., Jones, M., Joo, K. K., Julius, T., Kah, D. H., Kakuno, H., Kang, J. H., Kapusta, P., Kataoka, S. U., Katayama, N., Kato, E., Kato, Y., Katrenko, P., Kawai, H., Kawasaki, T., Kichimi, H., Kiesling, C., Kim, B. H., Kim, D. Y., Kim, H. J., Kim, H. O., Kim, J. B., Kim, J. H., Kim, K. T., Kim, M. J., Kim, S. K., Kim, Y. J., Kinoshita, K., Kleinwort, C., Klucar, J., Ko, B. R., Kobayashi, N., Koblitz, S., Kody��, P., Koga, Y., Korpar, S., Kouzes, R. T., Kri��an, P., Krokovny, P., Kronenbitter, B., Kuhr, T., Kumar, R., Kumita, T., Kurihara, E., Kuroki, Y., Kuzmin, A., Kvasni��ka, P., Kwon, Y. -J., Lai, Y. -T., Lange, J. S., Lee, S. -H., Leitgab, M., Leitner, R., Li, J., Li, X., Li, Y., Gioi, L. Li, Libby, J., Limosani, A., Liu, C., Liu, Y., Liu, Z. Q., Liventsev, D., Louvot, R., Lukin, P., MacNaughton, J., Matvienko, D., Matyja, A., McOnie, S., Mikami, Y., Miyabayashi, K., Miyachi, Y., Miyake, H., Miyata, H., Miyazaki, Y., Mizuk, R., Mohanty, G. B., Mohapatra, D., Moll, A., Mori, T., Moser, H. -G., M��ller, T., Muramatsu, N., Mussa, R., Nagamine, T., Nagasaka, Y., Nakahama, Y., Nakamura, I., Nakamura, K., Nakano, E., Nakano, H., Nakano, T., Nakao, M., Nakayama, H., Nakazawa, H., Nanut, T., Natkaniec, Z., Nayak, M., Nedelkovska, E., Negishi, K., Neichi, K., Ng, C., Niebuhr, C., Niiyama, M., Nisar, N. K., Nishida, S., Nishimura, K., Nitoh, O., Nozaki, T., Ogawa, A., Ogawa, S., Ohshima, T., Okuno, S., Olsen, S. L., Ono, Y., Onuki, Y., Ostrowicz, W., Oswald, C., Ozaki, H., Pakhlov, P., Pakhlova, G., Palka, H., Panzenb��ck, E., Park, C. -S., Park, C. W., Park, H., Park, H. K., Park, K. S., Peak, L. S., Pedlar, T. K., Peng, T., Pesantez, L., Pestotnik, R., Peters, M., Petri��, M., Piilonen, L. E., Poluektov, A., Prim, M., Prothmann, K., Reisert, B., Ribe��l, E., Ritter, M., R��hrken, M., Rorie, J., Rostomyan, A., Rozanska, M., Ryu, S., Sahoo, H., Saito, T., Sakai, K., Sakai, Y., Sandilya, S., Santel, D., Santelj, L., Sanuki, T., Sasao, N., Sato, Y., Savinov, V., Schneider, O., Schnell, G., Sch��nmeier, P., Schram, M., Schwanda, C., Schwartz, A. J., Schwenker, B., Seidl, R., Sekiya, A., Semmler, D., Senyo, K., Seon, O., 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., Smerkol, P., Sohn, Y. -S., Sokolov, A., Soloviev, Y., Solovieva, E., Stani��, S., Stari��, M., Steder, M., Stypula, J., Sugihara, S., Sugiyama, A., Sumihama, M., Sumisawa, K., Sumiyoshi, T., Suzuki, K., Suzuki, S., Suzuki, S. Y., Suzuki, Z., Takeichi, H., Tamponi, U., Tanaka, M., Tanaka, S., Tanida, K., Taniguchi, N., Tatishvili, G., Taylor, G. N., Teramoto, Y., Thorne, F., Tikhomirov, I., Trabelsi, K., Tse, Y. F., Tsuboyama, T., Uchida, M., Uchida, T., Uchida, Y., Uehara, S., Ueno, K., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Ushiroda, Y., Usov, Y., Vahsen, S. E., Van Hulse, C., Vanhoefer, P., Varner, G., Varvell, K. E., Vervink, K., Vinokurova, A., Vorobyev, V., Vossen, A., Wagner, M. N., Wang, C. H., Wang, J., Wang, M. -Z., Wang, P., Wang, X. L., Watanabe, M., Watanabe, Y., Wedd, R., Wehle, S., White, E., Wiechczynski, J., Williams, K. M., Won, E., Yabsley, B. D., Yamada, S., Yamamoto, H., Yamaoka, J., Yamashita, Y., Yamauchi, M., Yashchenko, S., Yook, Y., Yuan, C. Z., Yusa, Y., Zander, D., Zhang, C. C., Zhang, L. M., Zhang, Z. P., Zhao, L., Zhilich, V., Zhou, P., Zhulanov, V., Zivko, T., Zupanc, A., Zwahlen, N., and Zyukova, O.
Subjects: High Energy Physics - Experiment (hep-ex), FOS: Physical sciences, High Energy Physics::Experiment
Abstract: We report a measurement of the branching fraction of $B^+ \to ��^+ ��_��$ decays using a data sample of $772 \times 10^6 B \bar{B}$ pairs, collected at the $��(4S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^+e^-$ collider. We reconstruct the accompanying $B$ meson in a semileptonic decay and detect the $B^+ \to ��^+ ��_��$ candidate in the recoiling event. We obtain a branching fraction of ${\cal B}(B^+ \to ��^+ ��_��) = [1.25 \pm 0.28 ({\rm stat.}) \pm 0.27({\rm syst.})] \times 10^{-4}$. This result is in good agreement with previous measurements and the expectation from calculations based on the Standard Model., Belle conference paper for the International Workshop on the CKM Unitarity Triangle (CKM 2014)
Published: 2014
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93. Precise measurement of the branching fractions for Bs0?Ds() +Ds()-and first measurement of the Ds+Ds-polarization using e+e- collisions

Author: Esen, S., Schwartz, A.J., Aihara, H., Asner, D.M., Aushev, T., Bakich, A.M., Belous, K., Bhuyan, B., Bozek, A., Bra?ko, M., Browder, T.E., Chekelian, V., Chen, A., Chen, P., Cheon, B.G., Chilikin, K., Chistov, R., Cho, I.-S., Cho, K., Choi, Y., Dalseno, J., Danilov, M., Dole�al, Z., Drutskoy, A., Eidelman, S., Feindt, M., Gaur, V., Haba, J., Hara, T., Hayashii, H., Horii, Y., Hoshi, Y., Hou, W.-S., Hsiung, Y.B., Hyun, H.J., Iijima, T., Ishikawa, A., Itoh, R., Iwabuchi, M., Iwasaki, Y., Iwashita, T., Julius, T., Kang, J.H., Kawasaki, T., Kiesling, C., Kim, H.O., Kim, K.T., Kim, M.J., Kim, Y.J., Kinoshita, K., Ko, B.R., Koblitz, S., Kody�, P., Korpar, S., Kouzes, R.T., Kri�an, P., Krokovny, P., Kuhr, T., Kumita, T., Kwon, Y.-J., Lee, S.-H., Li, J., Li, Y., Libby, J., Liu, C., Liu, Y., Liventsev, D., Louvot, R., McOnie, S., Miyata, H., Mizuk, R., Mohapatra, D., Moll, A., Muramatsu, N., Nakao, M., Nakazawa, H., Natkaniec, Z., Ng, C., Nishida, S., Nishimura, K., Nitoh, O., Ohshima, T., Okuno, S., Olsen, S.L., Onuki, Y., Pakhlova, G., Park, C.W., Park, H., Park, H.K., Pedlar, T.K., Pestotnik, R., Petri?, M., Piilonen, L.E., R�hrken, M., Ryu, S., Sakai, Y., Santel, D., Santelj, L., Sanuki, T., Sato, Y., Schneider, O., Schwanda, C., Senyo, K., Sevior, M.E., Shapkin, M., Shibata, T.-A., Shiu, J.-G., Shwartz, B., Sibidanov, A., Simon, F., Smerkol, P., Sohn, Y.-S., Sokolov, A., Solovieva, E., Stani?, S., Stari?, M., Sumiyoshi, T., Tatishvili, G., Teramoto, Y., Trabelsi, K., Tsuboyama, T., Uchida, M., Uehara, S., Uglov, T., Unno, Y., Uno, S., Vahsen, S.E., Vanhoefer, P., Varner, G., Wang, C.H., Wang, M.-Z., Wang, P., Watanabe, Y., Williams, K.M., Won, E., Yamaoka, J., Yamashita, Y., Zhang, Z.P., Zhilich, V., and Zhulanov, V.
Abstract: We have made a precise measurement of the absolute branching fractions of Bs0?Ds(*)+Ds(*)- decays using 121.4 fb-1 of data recorded by the Belle experiment running at the ?(5S) resonance. The results are B(Bs0?Ds+Ds-)=(0.58-0.09+0.11�0.13)%, B(Bs0?Ds*�Ds�?)=(1.76-0.22+0.23�0.40)%, and B(Bs0?Ds*+Ds*-)=(1.98-0.31-0.50+0.33+0.52)%; the sum is B(Bs0?Ds(*)+Ds(*)-)=(4.32-0.39-1.03+0.42+1.04)%. Assuming Bs0?Ds(*)+Ds(*)- saturates decays to CP-even final states, the branching fraction constrains the ratio ??s/ cos�12, where ??s is the difference in widths between the two Bs-B?s mass eigenstates, and 12 is the CP-violating phase in Bs-B ?s mixing. We also measure for the first time the longitudinal polarization fraction of Bs0?Ds*+Ds*-; the result is 0.06-0.17+0.18�0.03. � 2013 American Physical Society.
Published: 2013

94. Measurement of the inclusive semileptonic branching fraction B(Bs0?X-?+??) at Belle

Author: Oswald, C., Urquijo, P., Dingfelder, J., Adachi, I., Aihara, H., Arinstein, K., Asner, D.M., Aushev, T., Bakich, A.M., Belous, K., Bhardwaj, V., Bhuyan, B., Bondar, A., Bonvicini, G., Bozek, A., Bra?ko, M., Browder, T.E., Chang, P., Chekelian, V., Chen, A., Chen, P., Cheon, B.G., Chilikin, K., Chistov, R., Cho, K., Chobanova, V., Choi, S.-K., Choi, Y., Cinabro, D., Dalseno, J., Dole�al, Z., Dr�sal, Z., Drutskoy, A., Dutta, D., Eidelman, S., Esen, S., Farhat, H., Fast, J.E., Gaur, V., Gabyshev, N., Ganguly, S., Gillard, R., Goh, Y.M., Golob, B., Haba, J., Hayasaka, K., Hayashii, H., Horii, Y., Hoshi, Y., Hou, W.-S., Hyun, H.J., Iijima, T., Ishikawa, A., Itoh, R., Iwasaki, Y., Kah, D.H., Kang, J.H., Kato, E., Kawasaki, T., Kiesling, C., Kim, H.J., Kim, H.O., Kim, J.B., Kim, K.T., Kim, M.J., Kim, Y.J., Kinoshita, K., Klucar, J., Ko, B.R., Korpar, S., Kouzes, R.T., Kri�an, P., Krokovny, P., Kronenbitter, B., Kuhr, T., Kumita, T., Kwon, Y.-J., Lee, S.-H., Li, J., Li, Y., Libby, J., Liu, C., Liu, Y., Liu, Z.Q., Liventsev, D., Louvot, R., Lutz, O., Matvienko, D., Miyabayashi, K., Miyata, H., Mizuk, R., Mohanty, G.B., Moll, A., Muramatsu, N., Nagasaka, Y., Nakano, E., Nakao, M., Nedelkovska, E., Nisar, N.K., Nishida, S., Nitoh, O., Nozaki, T., Ogawa, S., Ohshima, T., Okuno, S., Olsen, S.L., Ostrowicz, W., Pakhlov, P., Pakhlova, G., Park, H., Park, H.K., Pedlar, T.K., Pestotnik, R., Petri?, M., Piilonen, L.E., Prim, M., Prothmann, K., Ritter, M., R�hrken, M., Rozanska, M., Ryu, S., Sahoo, H., Saito, T., Sakai, Y., Sandilya, S., Santelj, L., Sanuki, T., Sato, Y., Schneider, O., Schnell, G., Schwanda, C., Schwartz, A.J., Senyo, K., Seon, O., Sevior, M.E., Shapkin, M., Shen, C.P., Shibata, T.-A., Shiu, J.-G., Shwartz, B., Sibidanov, A., Simon, F., Smerkol, P., Sohn, Y.-S., Sokolov, A., Solovieva, E., Stari?, M., Sumiyoshi, T., Tatishvili, G., Teramoto, Y., Trabelsi, K., Tsuboyama, T., Uchida, M., Uehara, S., Uglov, T., Unno, Y., Uno, S., Van Hulse, C., Vanhoefer, P., Varner, G., Varvell, K.E., Wang, C.H., Wang, M.-Z., Wang, P., Watanabe, M., Watanabe, Y., Williams, K.M., Won, E., Yamamoto, H., Yamashita, Y., Zhang, C.C., Zhang, Z.P., Zhilich, V., and Zupanc, A.
Abstract: We report a measurement of the inclusive semileptonic Bs0 branching fraction in a 121 fb-1 data sample collected near the ?(5S) resonance with the Belle detector at the KEKB asymmetric energy e +e- collider. Events containing Bs0(*) B?s0(*) pairs are selected by reconstructing a tag side Ds+ and identifying a signal side lepton ?+ (?=e, ?) that is required to have the same-sign charge to ensure that both originate from different Bs0 mesons. The Bs0?X -?+?? branching fraction is extracted from the ratio of the measured yields of Ds+ mesons and Ds+?+ pairs and the known production and branching fractions. The inclusive semileptonic branching fraction is measured to be [10.6�0.5(stat)�0.7(syst)]%. � 2013 American Physical Society.
Published: 2013
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95. Average of b- Hadron and τ -Lepton Properties as of Early 2012

Author: Amhis, Y., Banerjee, Sw., Bernhard, R., Blyth, S., Bozek, A., Bozzi, C., Carbone, A., Oyanguren Campos, A., Chistov, R., Cibinetto, G., Coleman, J., Dingfelder, J., Dungel, W., Gersabeck, M., J. Gershon, T., Gibbons, L., Golob, B., Harr, R., Hayasaka, K., Hayashii, H., Leroy, O., Lopes Pegna, D., Louvot, R., Lusiani, A., Lüth, V., Meadows, B., Nishida, S., Patel, M., Pedrini, D., Rama, M., Roney, M., Rotondo, M., Schneider, O., Schwanda, C., J. Schwartz, A., Shwartz, B., G. Smith, J., Tesarek, R., Tonelli, D., Trabelsi, Karim, Urquijo, P., Van Kooten, R., 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), and Cristofol, Danielle
Subjects: [PHYS.HPHE] Physics [physics]/High Energy Physics - Phenomenology [hep-ph], [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph], High Energy Physics::Phenomenology, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment
Abstract: This article reports world averages of measurements of b-hadron, c-hadron, and tau-lepton properties obtained by the Heavy Flavor Averaging Group (HFAG) using results available through the end of 2011. In some cases results available in the early part of 2012 are included. For the averaging, common input parameters used in the various analyses are adjusted (rescaled) to common values, and known correlations are taken into account. The averages include branching fractions, lifetimes, neutral meson mixing parameters, CP violation parameters, parameters of semileptonic decays and CKM matrix elements.
Published: 2012

96. Measurements of Branching Fractions and Time-dependent CP Violating Asymmetries in $B^{0} \to D^{(*)\pm}D^{\mp}$ Decays

Author: Collaboration, B, Röhrken, M, Adachi, I, Aihara, H, Asner, DM, Aulchenko, V, Aushev, T, Bakich, AM, Barrett, M, Belous, K, Bhardwaj, V, Bhuyan, B, Bischofberger, M, Bondar, A, Bonvicini, G, Bozek, A, Bračko, M, Brovchenko, O, Browder, TE, Chang, MC, Chen, A, Chen, P, Cheon, BG, Chilikin, K, Cho, IS, Cho, K, Choi, Y, Dalseno, J, Doležal, Z, Drásal, Z, Drutskoy, A, Eidelman, S, Fast, JE, Feindt, M, Gaur, V, Gabyshev, N, Garmash, A, Goh, YM, Haba, J, Hayashii, H, Horii, Y, Hoshi, Y, Hou, WS, Hsiung, YB, Hyun, HJ, Iijima, T, Ishikawa, A, Itoh, R, Iwabuchi, M, Iwasaki, Y, Julius, T, Kang, JH, Kawasaki, T, Kiesling, C, Kim, HJ, Kim, HO, Kim, JB, Kim, JH, Kim, KT, Kim, MJ, Kim, YJ, Kinoshita, K, Ko, BR, Koblitz, S, Kodyš, P, Korpar, S, Kouzes, RT, Križan, P, Krokovny, P, Kronenbitter, B, Kuhr, T, Kumita, T, Kwon, YJ, Lee, SH, Li, J, Li, Y, Libby, J, Liu, C, Liu, Y, Liu, ZQ, Liventsev, D, Louvot, R, Miyabayashi, K, Miyata, H, Mizuk, R, Mohanty, GB, Moll, A, Mori, T, Muramatsu, N, Nagasaka, Y, Nakano, E, Nakao, M, Natkaniec, Z, Nishida, S, Nitoh, O, Ogawa, S, Ohshima, T, Okuno, S, Olsen, SL, Ozaki, H, Pakhlova, G, Park, CW, Park, H, Park, HK, Park, KS, Pedlar, TK, Pestotnik, R, Petrič, M, Piilonen, LE, Poluektov, A, Prim, M, Prothmann, K, Ritter, M, Ryu, S, Sahoo, H, Sakai, Y, Sanuki, T, Sato, Y, Schneider, O, Schwanda, C, Schwartz, AJ, Senyo, K, Seon, O, Sevior, ME, Shapkin, M, Shen, CP, Shibata, TA, Shiu, JG, Shwartz, B, Sibidanov, A, Simon, F, Singh, JB, Smerkol, P, Sohn, YS, Sokolov, A, Solovieva, E, Stanič, S, Starič, M, Sumisawa, K, Sumiyoshi, T, Trabelsi, K, Uchida, M, Uehara, S, Unno, Y, Uno, S, Urquijo, P, Vanhoefer, P, Varner, G, Varvell, KE, Vorobyev, V, Wang, CH, Wang, MZ, Wang, P, Watanabe, M, Watanabe, Y, Williams, KM, Won, E, Yamamoto, H, Yamashita, Y, Zander, D, Zhang, ZP, Zhilich, V, Zhulanov, V, and Zupanc, A
Subjects: High Energy Physics - Experiment (hep-ex), FOS: Physical sciences, High Energy Physics - Experiment
Abstract: We report measurements of branching fractions and time-dependent CP asymmetries in $B^{0} \to D^{+}D^{-}$ and $B^{0} \to D^{*\pm}D^{\mp}$ decays using a data sample that contains $(772 \pm 11)\times 10^6 B\bar{B}$ pairs collected at the $\Upsilon(4S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^+ e^-$ collider. We determine the branching fractions to be $\mathcal{B}(B^{0} \to D^{+}D^{-})=(2.12 \pm 0.16 \pm 0.18)\times 10^{-4}$ and $\mathcal{B}(B^{0} \to D^{*\pm}D^{\mp}=(6.14 \pm 0.29 \pm 0.50)\times 10^{-4}$. We measure CP asymmetry parameters $\mathcal{S}_{D^{+}D^{-}} = -1.06_{-0.14}^{+0.21} \pm 0.08$ and $\mathcal{C}_{D^{+}D^{-}} = -0.43 \pm 0.16 \pm 0.05$ in $B^{0} \to D^{+}D^{-}$ and $\mathcal{A}_{D^{*}D} = +0.06 \pm 0.05 \pm 0.02$, $\mathcal{S}_{D^{*}D} = -0.78 \pm 0.15 \pm 0.05$, $\mathcal{C}_{D^{*}D} = -0.01 \pm 0.11 \pm 0.04$, $\Delta\mathcal{S}_{D^{*}D} = -0.13 \pm 0.15 \pm 0.04$ and $\Delta\mathcal{C}_{D^{*}D} = +0.12 \pm 0.11 \pm 0.03$ in $B^{0} \to D^{*\pm}D^{\mp}$, where the first uncertainty is statistical and the second is systematic. We exclude the conservation of CP symmetry in both decays at equal to or greater than $4\sigma$ significance., Comment: 7 pages, 2 figures
Published: 2012

97. First observation of the P-wave spin-singlet bottomonium states h b(1P) and h b(2P)

Author: Adachi, I., Aihara, H., Arinstein, K., Asner, D.M., Aushev, T., Aziz, T., Bakich, A.M., Barberio, E., Belous, K., Bhardwaj, V., Bhuyan, B., Bondar, A., Bra?ko, M., Brodzicka, J., Browder, T.E., Chang, P., Chen, A., Chen, P., Cheon, B.G., Chilikin, K., Chistov, R., Cho, I.-S., Cho, K., Choi, Y., Dalseno, J., Danilov, M., Dr�sal, Z., Drutskoy, A., Eidelman, S., Epifanov, D., Esen, S., Fast, J.E., Feindt, M., Gaur, V., Gabyshev, N., Garmash, A., Goh, Y.M., Golob, B., Hara, T., Hayasaka, K., Hayashii, H., Hoshi, Y., Hou, W.-S., Hsiung, Y.B., Hyun, H.J., Iijima, T., Ishikawa, A., Iwabuchi, M., Iwasaki, Y., Jaegle, I., Julius, T., Kang, J.H., Katayama, N., Kawasaki, T., Kichimi, H., Kim, H.O., Kim, J.B., Kim, K.T., Kim, M.J., Kim, Y.J., Kinoshita, K., Ko, B.R., Kobayashi, N., Koblitz, S., Korpar, S., Kri�an, P., Kuhr, T., Kumita, T., Kuzmin, A., Kwon, Y.-J., Lange, J.S., Lee, S.-H., Li, J., Libby, J., Liu, C., Liventsev, D., Louvot, R., MacNaughton, J., Matvienko, D., McOnie, S., Miyabayashi, K., Miyata, H., Miyazaki, Y., Mizuk, R., Mohanty, G.B., Mussa, R., Nagasaka, Y., Nakano, E., Nakao, M., Nakazawa, H., Natkaniec, Z., Neubauer, S., Nishida, S., Nishimura, K., Nitoh, O., Nozaki, T., Ohshima, T., Okuno, S., Olsen, S.L., Onuki, Y., Pakhlov, P., Pakhlova, G., Park, H., Pedlar, T.K., Pestotnik, R., Petri?, M., Piilonen, L.E., Poluektov, A., Ritter, M., R�hrken, M., Ryu, S., Sahoo, H., Sakai, Y., Sanuki, T., Schneider, O., Schwanda, C., Schwartz, A.J., Senyo, K., Seon, O., Sevior, M.E., Shapkin, M., Shebalin, V., Shibata, T.-A., Shiu, J.-G., Shwartz, B., Simon, F., Smerkol, P., Sohn, Y.-S., Sokolov, A., Solovieva, E., Stani?, S., Stari?, M., Sumihama, M., Tatishvili, G., Teramoto, Y., Tikhomirov, I., Trabelsi, K., Uchida, M., Uehara, S., Uglov, T., Unno, Y., Uno, S., Vahsen, S.E., Varner, G., Varvell, K.E., Vinokurova, A., Wang, C.H., Wang, X.L., Watanabe, Y., Wicht, J., Won, E., Yabsley, B.D., Yamashita, Y., Yuan, C.Z., Zhilich, V., and Zupanc, A.
Subjects: Seismic waves, Physics, Hyperfine splittings, Data sample, Asymmetric energy, Belle detectors, Collider, Atomic physics
Abstract: We report the first observations of the spin-singlet bottomonium states h b(1P) and h b(2P). The states are produced in the reaction e +e -?h b(nP)? +? - using a 121.4fb -1 data sample collected at energies near the ?(5S) resonance with the Belle detector at the KEKB asymmetric-energy e +e - collider. We determine M[h b(1P)]=(9898.2- 1.0-1.1+1.1+1.0)MeV/c2 and M[h b(2P)]=(10259.8�0.6-1.0+1.4)MeV/ c2, which correspond to P-wave hyperfine splittings ?M HF=(+1. 7�1.5) and (+0.5-1.2+1.6)MeV/c2, respectively. The significances of the h b(1P) and h b(2P) are 5.5? and 11.2?, respectively. We find that the production of the h b(1P) and h b(2P) is not suppressed relative to the production of the ?(1S), ?(2S), and ?(3S). � 2012 American Physical Society.
Published: 2012
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98. First study of ��_c, ��(1760) and X(1835) production via ��'��^+��^- final states in two-photon collisions

Author: Belle Collaboration, Zhang, C. C., Aihara, H., Asner, D. M., Aushev, T., Bakich, A. M., Ban, Y., Belous, K., Bischofberger, M., Browder, T. E., Chen, A., Cheon, B. G., Chilikin, K., Chistov, R., Choi, Y., Dalseno, J., Danilov, M., Eidelman, S., Feindt, M., Gaur, V., Gabyshev, N., Goh, Y. M., Han, Y. L., Hayashii, H., Horii, Y., Hou, W. S., Hyun, H. J., Iijima, T., Inami, K., Ishikawa, A., Iwabuchi, M., Julius, T., Kiesling, C., Kim, H. O., Kim, M. J., Kim, Y. J., Ko, B. R., Kody��, P., Korpar, S., Krokovny, P., Kuzmin, A., Li, J., Libby, J., Liu, Y., Liu, Z. Q., Louvot, R., Matvienko, D., McOnie, S., Mizuk, R., Nakano, E., Nakao, M., Nakazawa, H., Natkaniec, Z., Nishida, S., Ohshima, T., Okuno, S., Olsen, S. L., Pakhlov, P., Pakhlova, G., Park, H., Park, H. K., Pestotnik, R., Petri��, M., Piilonen, L. E., R��hrken, M., Ryu, S., Sahoo, H., Sakai, Y., Santel, D., Sanuki, T., Schneider, O., Schwanda, C., Sevior, M. E., Shapkin, M., Shebalin, V., Shen, C. P., Shibata, T. A., Shiu, J. G., Shwartz, B., Smerkol, P., Sohn, Y. -S., Solovieva, E., Stani��, S., Stari��, M., Sumihama, M., Sumiyoshi, T., Tikhomirov, I., Uchida, M., Uehara, S., Uglov, T., Unno, Y., Uno, S., Varner, G., Vinokurova, A., Vorobyev, V., Wang, P., Wang, X. L., Watanabe, Y., Williams, K. M., Yabsley, B. D., Yamashita, Y., Yuan, C. Z., Zhang, Z. P., and Zhulanov, V.
Subjects: High Energy Physics - Experiment (hep-ex), FOS: Physical sciences, High Energy Physics::Experiment
Abstract: The invariant mass spectrum of the ��' ��^+ ��^- final state produced in two-photon collisions is obtained using a 673 fb^{-1} data sample collected in the vicinity of the ��(4S) resonance with the Belle detector at the KEKB asymmetric-energy e^+e^- collider. We observe a clear signal of the ��_c and measure its mass and width to be M(��_c)=(2982.7 +- 1.8(stat) +- 2.2(syst) +- 0.3(model)) MeV/c^2 and ��(��_c) = (37.8^{+5.8}_{-5.3}(stat) +- 2.8(syst) +- 1.4(model)) MeV/c^2. The third error is an uncertainty due to possible interference between the ��_c and a non-resonant component. We also report the first evidence for ��(1760) decay to ��' ��^+ ��^-; we find two solutions for its parameters, depending on the inclusion or not of the X(1835), whose existence is of marginal significance in our data. From a fit to the mass spectrum using coherent X(1835) and ��(1760) resonant amplitudes, we set a 90% confidence level upper limit on the product ��_{��} \BR (��' ��^+ ��^-) for the X(1835)., 13 pages, 7 figures, submitted to PRD
Published: 2012
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99. Evidence for the ?b(2S) and observation of h b(1P)??b(1S)? and hb(2P) ??b(1S)?

Author: Mizuk, R., Asner, D.M., Bondar, A., Pedlar, T.K., Adachi, I., Aihara, H., Arinstein, K., Aulchenko, V., Aushev, T., Aziz, T., Bakich, A.M., Bay, A., Belous, K., Bhardwaj, V., Bhuyan, B., Bischofberger, M., Bonvicini, G., Bozek, A., Bra?ko, M., Brodzicka, J., Browder, T.E., Chekelian, V., Chen, A., Chen, P., Cheon, B.G., Chilikin, K., Chistov, R., Cho, I.-S., Cho, K., Choi, S.-K., Choi, Y., Dalseno, J., Danilov, M., Dole�al, Z., Dr�sal, Z., Drutskoy, A., Eidelman, S., Epifanov, D., Fast, J.E., Gaur, V., Gabyshev, N., Garmash, A., Golob, B., Haba, J., Hara, T., Hayasaka, K., Hayashii, H., Horii, Y., Hoshi, Y., Hou, W.-S., Hsiung, Y.B., Hyun, H.J., Iijima, T., Ishikawa, A., Itoh, R., Iwabuchi, M., Iwasaki, Y., Iwashita, T., Jaegle, I., Julius, T., Kang, J.H., Kapusta, P., Kawasaki, T., Kim, H.J., Kim, H.O., Kim, J.H., Kim, K.T., Kim, M.J., Kim, Y.J., Kinoshita, K., Ko, B.R., Koblitz, S., Kody�, P., Korpar, S., Kouzes, R.T., Kri�an, P., Krokovny, P., Kuhr, T., Kumita, T., Kuzmin, A., Kwon, Y.-J., Lange, J.S., Lee, S.-H., Li, J., Libby, J., Liu, C., Liu, Y., Liu, Z.Q., Liventsev, D., Louvot, R., Matvienko, D., McOnie, S., Miyabayashi, K., Miyata, H., Mohanty, G.B., Mohapatra, D., Moll, A., Muramatsu, N., Mussa, R., Nakao, M., Natkaniec, Z., Ng, C., Nishida, S., Nishimura, K., Nitoh, O., Nozaki, T., Ohshima, T., Okuno, S., Olsen, S.L., Onuki, Y., Pakhlov, P., Pakhlova, G., Park, C.W., Park, H., Pestotnik, R., Petri?, M., Piilonen, L.E., Poluektov, A., R�hrken, M., Sakai, Y., Sandilya, S., Santel, D., Sanuki, T., Sato, Y., Schneider, O., Schwanda, C., Senyo, K., Seon, O., Sevior, M.E., Shapkin, M., Shen, C.P., Shibata, T.-A., Shiu, J.-G., Shwartz, B., Sibidanov, A., Simon, F., Smerkol, P., Sohn, Y.-S., Sokolov, A., Solovieva, E., Stani?, S., Stari?, M., Sumihama, M., Sumiyoshi, T., Tanida, K., Tatishvili, G., Teramoto, Y., Tikhomirov, I., Trabelsi, K., Tsuboyama, T., Uchida, M., Uehara, S., Uglov, T., Unno, Y., Uno, S., Vanhoefer, P., Varner, G., Varvell, K.E., Vinokurova, A., Vorobyev, V., Wang, C.H., Wang, M.-Z., Wang, P., Wang, X.L., Watanabe, M., Watanabe, Y., Williams, K.M., Won, E., Yabsley, B.D., Yamaoka, J., Yamashita, Y., Yuan, C.Z., Zhang, Z.P., and Zhilich, V.
Subjects: Physics, Data sample, Asymmetric energy, Belle detectors, Mass measurements, Collider, Atomic physics
Abstract: We report the first evidence for the ?b(2S) using the h b(2P)??b(2S)? transition and the first observation of the hb(1P)??b(1S)? and hb(2P)??b(1S)? transitions. The mass and width of the ?b(1S) and ?b(2S) are measured to be m?b (1S)=(9402.4�1.5�1.8) MeV/c2, m ?b (2S)=(9999.0�3.5-1.9+2.8) MeV/c2, and ??b (1S)=(10.8-3.7-2.0+4.0+4.5) MeV. We also update the hb(1P) and hb(2P) mass measurements. We use a 133.4 fb-1 data sample collected at energies near the ?(5S) resonance with the Belle detector at the KEKB asymmetric-energy e+e - collider. � 2012 American Physical Society.
Published: 2012
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100. Evidence for B -?Ds+K -? -? ?? and search for B -?Ds*+K -? -? ??

Author: Stypula, J., Rozanska, M., Adachi, I., Adamczyk, K., Aihara, H., Asner, D.M., Aushev, T., Bakich, A.M., Bhardwaj, V., Bhuyan, B., Bischofberger, M., Bondar, A., Bonvicini, G., Bozek, A., Bra?ko, M., Browder, T.E., Chang, M.-C., Chang, P., Chekelian, V., Chen, A., Chen, P., Cheon, B.G., Chistov, R., Cho, I.-S., Cho, K., Choi, Y., Dalseno, J., Danilov, M., Dingfelder, J., Doleal, Z., Dr�sal, Z., Drutskoy, A., Eidelman, S., Farhat, H., Fast, J.E., Gaur, V., Gabyshev, N., Gillard, R., Goh, Y.M., Golob, B., Haba, J., Hayasaka, K., Hayashii, H., Horii, Y., Hoshi, Y., Hou, W.-S., Hsiung, Y.B., Hyun, H.J., Iijima, T., Inami, K., Ishikawa, A., Itoh, R., Iwabuchi, M., Iwasaki, Y., Julius, T., Kang, J.H., Kapusta, P., Kawasaki, T., Kichimi, H., Kiesling, C., Kim, H.J., Kim, J.B., Kim, J.H., Kim, K.T., Kim, Y.J., Kinoshita, K., Ko, B.R., Kody, P., Korpar, S., Kouzes, R.T., Krian, P., Krokovny, P., Kuhr, T., Kumita, T., Kuzmin, A., Kwon, Y.-J., Lee, S.-H., Li, J., Li, Y., Libby, J., Liu, C., Liu, Y., Liu, Z.Q., Liventsev, D., Louvot, R., Miyabayashi, K., Miyata, H., Miyazaki, Y., Mizuk, R., Mohanty, G.B., Moll, A., Muramatsu, N., Nakano, E., Nakao, M., Natkaniec, Z., Ng, C., Nishida, S., Nishimura, K., Nitoh, O., Nozaki, T., Ogawa, S., Ohshima, T., Okuno, S., Olsen, S.L., Onuki, Y., Pakhlov, P., Pakhlova, G., Park, C.W., Park, H., Park, H.K., Pedlar, T.K., Pestotnik, R., Petri?, M., Piilonen, L.E., Ritter, M., R�hrken, M., Ryu, S., Sahoo, H., Sakai, Y., Sandilya, S., Santel, D., Sanuki, T., Sato, Y., Schneider, O., Schwanda, C., Senyo, K., Seon, O., Sevior, M.E., Shapkin, M., Shen, C.P., Shibata, T.-A., Shiu, J.-G., Shwartz, B., Sibidanov, A., Simon, F., Smerkol, P., Sohn, Y.-S., Sokolov, A., Solovieva, E., Stani?, S., Stari?, M., Sumihama, M., Sumiyoshi, T., Teramoto, Y., Uchida, M., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Usov, Y., Vanhoefer, P., Varner, G., Varvell, K.E., Vorobyev, V., Wang, P., Wang, X.L., Watanabe, M., Watanabe, Y., Wiechczynski, J., Williams, K.M., Won, E., Yabsley, B.D., Yamamoto, H., Yamashita, Y., Zhang, Z.P., Zhilich, V., Zhulanov, V., and Zupanc, A.
Abstract: We report measurements of the decays B -?Ds(*)+K -? -? ?? in a data sample containing 657�106BB? pairs collected with the Belle detector at the KEKB asymmetric-energy e +e - collider. We observe a signal with a significance of 6? for the combined D s and Ds* modes and find the first evidence of the B -?Ds+K -? -? ?? decay with a significance of 3.4?. We measure the following branching fractions: B(B -?Ds+K -? -? ??)=(0.30�0.09(stat)-0.08+0.11(syst)) �10 -3 and B(B -?Ds(*)+K -? -? ??)=(0.59�0.12(stat) �0.15(syst))�10 -3 and set an upper limit B(B -?Ds*+K -? -? ??)&lt, 0.56�10 -3 at the 90% confidence level. We also present the first measurement of the Ds+K - invariant mass distribution in these decays, which is dominated by a prominent peak around 2.6GeV/c2. � 2012 American Physical Society.
Published: 2012

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