889 results on '"A. D. Bukin"'
Search Results
2. Measurements of the Absolute Branching Fractions of $B^\pm \to K^\pm X_{c\bar c}$
- Author
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Aubert, B., Barate, R., Boutigny, D., Couderc, F., Karyotakis, Y., Lees, J.P., Poireau, V., Tisserand, V., Zghiche, A., Grauges, E., Palano, A., Pappagallo, M., Pompili, A., C. Chen, J., D. Qi, N., Rong, G., Wang, P., S. Zhu, Y., Eigen, G., Ofte, I., Stugu, B., S. Abrams, G., Battaglia, M., B. Breon, A., N. Brown, D., Button-Shafer, J., N. Cahn, R., Charles, E., T. Day, C., S. Gill, M., V. Gritsan, A., Groysman, Y., G. Jacobsen, R., W. Kadel, R., Kadyk, J., T. Kerth, L., G. Kolomensky, Yu., Kukartsev, G., Lynch, G., M. Mir, L., J. Oddone, P., J. Orimoto, T., Pripstein, M., Roe, N.A., T. Ronan, M., Wenzel, W.A., Barrett, M., E. Ford, K., J. Harrison, T., J. Hart, A., M. Hawkes, C., E. Morgan, S., T. Watson, A., Fritsch, M., Goetzen, K., Held, T., Koch, H., Lewandowski, B., Pelizaeus, M., Peters, K., Schroeder, T., Steinke, M., T. Boyd, J., P. Burke, J., Chevalier, N., N. Cottingham, W., Cuhadar-Donszelmann, T., G. Fulsom, B., Hearty, C., S. Knecht, N., S. Mattison, T., A. Mckenna, J., Khan, A., Kyberd, P., Saleem, M., Teodorescu, L., E. Blinov, A., E. Blinov, V., D. Bukin, A., P. Druzhinin, V., B. Golubev, V., A. Kravchenko, E., P. Onuchin, A., I. Serednyakov, S., I. Skovpen, Yu., P. Solodov, E., N. Yushkov, A., Best, D., Bondioli, M., Bruinsma, M., Chao, M., Curry, S., Eschrich, I., Kirkby, D., J. Lankford, A., Lund, P., Mandelkern, M., K. Mommsen, R., Roethel, W., P. Stoker, D., Buchanan, C., L. Hartfiel, B., J. R. Weinstein, A., D. Foulkes, S., W. Gary, J., Long, O., C. Shen, B., Wang, K., Zhang, L., del Re, D., K. Hadavand, H., J. Hill, E., B. Macfarlane, D., P. Paar, H., Rahatlou, S., Sharma, V., W. Berryhill, J., Campagnari, C., Cunha, A., Dahmes, B., M. Hong, T., A. Mazur, M., D. Richman, J., Verkerke, W., W. Beck, T., M. Eisner, A., J. Flacco, C., Heusch, C.A., Kroseberg, J., S. Lockman, W., Nesom, G., Schalk, T., A. Schumm, B., Seiden, A., Spradlin, P., C. Williams, D., G. Wilson, M., Albert, J., Chen, E., P. Dubois-Felsmann, G., Dvoretskii, A., G. Hitlin, D., S. Minamora, J., Narsky, I., Piatenko, T., C. Porter, F., Ryd, A., Samuel, A., Andreassen, R., Mancinelli, G., T. Meadows, B., D. Sokoloff, M., Blanc, F., Bloom, P., Chen, Si, T. Ford, W., F. Hirschauer, J., Kreisel, A., Nauenberg, U., Olivas, A., O. Ruddick, W., G. Smith, J., A. Ulmer, K., R. Wagner, S., Zhang, J., Chen, A., A. Eckhart, E., Soffer, A., H. Toki, W., J. Wilson, R., Zeng, Q., Altenburg, D., Feltresi, E., Hauke, A., Spaan, B., Brandt, T., Brose, J., Dickopp, M., Klose, V., M. Lacker, H., Nogowski, R., Otto, S., Petzold, A., Schubert, J., R. Schubert, K., Schwierz, R., E. Sundermann, J., Bernard, D., Bonneaud, G.R., Grenier, P., Schrenk, S., Thiebaux, C., Vasileiadis, G., Verderi, M., J. Bard, D., J. Clark, P., Gradl, W., Muheim, F., Playfer, S., Xie, Y., Andreotti, M., Azzolini, V., Bettoni, D., Bozzi, C., Calabrese, R., Cibinetto, G., Luppi, E., Negrini, M., Piemontese, L., Anulli, F., Baldini-Ferroli, R., Calcaterra, A., de Sangro, R., Finocchiaro, G., Patteri, P., M. Peruzzi, I., Piccolo, M., Zallo, A., Buzzo, A., Capra, R., Contri, R., Lo Vetere, M., Macri, M., R. Monge, M., Passaggio, S., Patrignani, C., Robutti, E., Santroni, A., Tosi, S., Brandenburg, G., S. Chaisanguanthum, K., Morii, M., Won, E., Wu, J., S. Dubitzky, R., Langenegger, U., Marks, J., Schenk, S., Uwer, U., Schott, G., Bhimji, W., Bowerman, D.A., D. Dauncey, P., Egede, U., L. Flack, R., R. Gaillard, J., A. Nash, J., B. Nikolich, M., Panduro Vazquez, W., Chai, X., J. Charles, M., F. Mader, W., Mallik, U., K. Mohapatra, A., Ziegler, V., Cochran, J., B. Crawley, H., Eyges, V., T. Meyer, W., Prell, S., I. Rosenberg, E., E. Rubin, A., Yi, J., Arnaud, N., Davier, M., Giroux, X., Grosdidier, G., Hocker, A., Le Diberder, F., Lepeltier, V., Lutz, A.M., Oyanguren, A., Petersen, T.C., Plaszczynski, Stéphane, Rodier, S., Roudeau, P., Schune, M.H., Stocchi, A., Wormser, G., H. Cheng, C., J. Lange, D., C. Simani, M., M. Wright, D., J. Bevan, A., Chavez, C.A., J. Forster, I., R. Fry, J., Gabathuler, E., Gamet, R., A. George, K., E. Hutchcroft, D., J. Parry, R., J. Payne, D., C. Schofield, K., Touramanis, C., M. Cormack, C., Di Lodovico, F., Menges, W., Sacco, R., L. Brown, C., Cowan, G., U. Flaecher, H., G. Green, M., Hopkins, D.A., S. Jackson, P., R. Mcmahon, T., Ricciardi, S., Salvatore, F., Brown, D., L. Davis, C., Allison, J., R. Barlow, N., J. Barlow, R., L. Edgar, C., C. Hodgkinson, M., P. Kelly, M., D. Lafferty, G., T. Naisbit, M., C. Williams, J., Chen, C., D. Hulsbergen, W., Jawahery, A., Kovalskyi, D., K. Lae, C., Roberts, D.A., Simi, G., Blaylock, G., Dallapiccola, C., Hertzbach, S.S., Kofler, R., B. Koptchev, V., Li, Xiaojian, B. Moore, T., Saremi, S., Staengle, H., Willocq, S., Cowan, R., Koeneke, K., Sciolla, G., J. Sekula, S., Spitznagel, M., Taylor, F., K. Yamamoto, R., Kim, H., M. Patel, P., H. Robertson, S., Lazzaro, A., Lombardo, V., Palombo, F., M. Bauer, J., Cremaldi, L., Eschenburg, V., Godang, R., Kroeger, R., Reidy, J., Sanders, D.A., J. Summers, D., W. Zhao, H., Brunet, S., Cote, D., Taras, P., Viaud, B., Nicholson, H., Cavallo, N., de Nardo, G., Fabozzi, F., Gatto, C., Lista, L., Monorchio, D., Paolucci, P., Piccolo, D., Sciacca, C., Baak, M., Bulten, H., Raven, G., L. Snoek, H., Wilden, L., P. Jessop, C., M. Losecco, J., Allmendinger, T., Benelli, G., K. Gan, K., Honscheid, K., Hufnagel, D., D. Jackson, P., Kagan, H., Kass, R., Pulliam, T., M. Rahimi, A., Ter-Antonyan, R., K. Wong, Q., Brau, J., Frey, R., Igonkina, O., Lu, M., T. Potter, C., B. Sinev, N., Strom, D., Strube, J., Torrence, E., Galeazzi, F., Margoni, M., Morandin, M., Posocco, M., Rotondo, M., Simonetto, F., Stroili, R., Voci, C., Benayoun, M., Briand, H., Chauveau, J., David, P., del Buono, L., de La Vaissiere, C., Hamon, O., John, M.J.J., Leruste, P., Malcles, J., Ocariz, J., Roos, L., Therin, G., K. Behera, P., Gladney, L., H. Guo, Q., Panetta, J., Biasini, M., Covarelli, R., Pacetti, S., Pioppi, M., Angelini, C., Batignani, G., Bettarini, S., Bucci, F., Calderini, G., Carpinelli, M., Cenci, R., Forti, F., A. Giorgi, M., Lusiani, A., Marchiori, G., Morganti, M., Neri, N., Paoloni, E., Rama, M., Rizzo, G., Walsh, J., Haire, M., Judd, D., E. Wagoner, D., Biesiada, J., Danielson, N., Elmer, P., P. Lau, Y., Lu, C., Olsen, J., J. S. Smith, A., V. Telnov, A., Bellini, F., Cavoto, G., d'Orazio, A., Di Marco, E., Faccini, R., Ferrarotto, F., Ferroni, F., Gaspero, M., Li Gioi, L., A. Mazzoni, M., Morganti, S., Piredda, G., Polci, F., Safai Tehrani, F., Voena, C., Schr¨oder, H., Wagner, G., Waldi, R., Adye, T., De, N., Franek, B., P. Gopal, G., O. Olaiya, E., F. Wilson, F., Aleksan, R., Emery, S., Gaidot, A., F. Ganzhur, S., Graziani, G., Hamel de Monchenault, G., Kozanecki, W., Legendre, M., W. London, G., Mayer, B., Vasseur, G., Yèche, Ch., Zito, M., V. Purohit, M., W. Weidemann, A., R. Wilson, J., X. Yumiceva, F., Abe, T., T. Allen, M., Aston, D., Bartoldus, R., Berger, N., M. Boyarski, A., L. Buchmueller, O., Claus, R., P. Coleman, J., R. Convery, M., Cristinziani, M., C. Dingfelder, J., Dong, D., Dorfan, J., Dujmic, D., Dunwoodie, W., Fan, S., C. Field, R., Glanzman, T., J. Gowdy, S., Hadig, T., Halyo, V., Hast, C., Hryn'Ova, T., R. Innes, W., H. Kelsey, M., Kim, P., L. Kocian, M., W. G. S. Leith, D., Libby, J., Luitz, S., Luth, V., L. Lynch, H., Marsiske, H., Messner, R., R. Muller, D., P. O'Grady, C., E. Ozcan, V., Perazzo, A., Perl, M., N. Ratcliff, B., Roodman, A., A. Salnikov, A., H. Schindler, R., Schwiening, J., Snyder, A., Stelzer, J., Su, D., K. Sullivan, M., Suzuki, K., K. Swain, S., M. Thompson, J., Va'Vra, J., van Bakel, N., Weaver, M., J. Wisniewski, W., Wittgen, M., H. Wright, D., K. Yarritu, A., Yi, K., C. Young, C., R. Burchat, P., J. Edwards, A., Majewski, S.A., A. Petersen, B., Roat, C., Ahmed, M., Ahmed, Mohamed-Salem, S. Alam, M., Bula, R., A. Ernst, J., A. Saeed, M., R. Wappler, F., B. Zain, S., Bugg, W., Krishnamurthy, M., M. Spanier, S., Eckmann, R., L. Ritchie, J., Satpathy, A., F. Schwitters, R., M. Izen, J., Kitayama, I., C. Lou, X., Ye, S., Bianchi, F., Bona, M., Gallo, F., Gamba, D., Bomben, M., Bosisio, L., Cartaro, C., Cossutti, F., Della Ricca, G., Dittongo, S., Grancagnolo, S., Lanceri, L., Vitale, L., Martinez-Vidal, F., S. Panvini, R., Sw. Banerjee, ‡, Bhuyan, B., M. Brown, C., Fortin, D., Hamano, K., Kowalewski, R., M. Roney, J., J. Sobie, R., Back, J.J., F. Harrison, P., E. Latham, T., B. Mohanty, G., R. Band, H., Chen, X., Cheng, B., Dasu, S., Datta, M., M. Eichenbaum, A., T. Flood, K., Graham, M., Hollar, J.J., R. Johnson, J., E. Kutter, P., Li, H., Liu, R., Mellado, B., Mihalyi, A., Pan, Y., Pierini, M., Prepost, R., Tan, P., L. Wu, S., Yu, Z., Neal, H., Laboratoire d'Annecy de Physique des Particules (LAPP/Laboratoire d'Annecy-le-Vieux de Physique des Particules), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Laboratoire Leprince-Ringuet (LLR), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE (UMR_7585)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, BaBar, Laboratoire d'Annecy de Physique des Particules (LAPP), Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), 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), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Pierre et Marie Curie - Paris 6 (UPMC), BABAR, Centre National de la Recherche Scientifique (CNRS)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), and Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)
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+J%2Fpsi%283100%29+pi%2B+pi%22">X(3872) --> J/psi(3100) pi+ pi ,S041.171 ,X(3872): branching ratio ,B+: branching ratio: measured ,+charmonium+K%2B%22">B+ --> charmonium K+ ,FOS: Physical sciences ,electron positron: annihilation ,S041.439 ,charmonium: electroproduction ,High Energy Physics - Experiment ,High Energy Physics - Experiment (hep-ex) ,+X%283872%29+K%22">B- --> X(3872) K ,[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex] ,S041.20 ,+charmonium+K%22">B- --> charmonium K ,S041.360 ,13.25.Hw, 14.40.Gx ,S041.266 ,High Energy Physics::Phenomenology ,B-: branching ratio: measured ,S041.265 ,S041.440 ,electron positron: colliding beams ,B-: hadronic decay ,SLAC PEP Stor ,BaBar ,B+: hadronic decay ,Elementary Particles and Fields ,+X%283872%29+K%2B%22">B+ --> X(3872) K+ ,High Energy Physics::Experiment ,experimental results - Abstract
A study of the two body decays $B^\pm\rightarrow X_{c\bar c}K^\pm$, where X$_{c\bar c}$ refers to one charmonium state, is reported by BaBar collaboration using a data sample of 424 fb$^{-1}$. The absolute determination of branching fractions for these decays are significantly improved compared to previous BaBaR measurements. Evidence is found for the decay $B^+\rightarrow X(3872)K^+$ at the $3\sigma$ level. The absolute branching fraction ${\cal B}(B^+\rightarrow X(3872)K^+) = (2.1\pm0.6({\rm stat})\pm0.3({\rm syst}))\times 10^{-4}$ is measured for the first time. It follows that ${\cal B}(X(3872)\rightarrow J/\psi\pi^+\pi^-)=(4.1\pm1.3)\%$, supporting the hypothesis of a molecular component for this resonance., Comment: 8 pages 6 figures
- Published
- 2019
3. Properties of aluminum alloy after hot rolling and annealing
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A. Kalinenko, D. Bukin, A. Morozova, and A. Mogucheva
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Materials science ,Annealing (metallurgy) ,Alloy ,chemistry.chemical_element ,Atmospheric temperature range ,engineering.material ,chemistry ,Aluminium ,Electrical resistivity and conductivity ,Ultimate tensile strength ,engineering ,Elongation ,Composite material ,Solid solution - Abstract
An Al-Zr alloy was subjected to rolling at 450°C and then annealed in the temperature range from 250 to 500°C. Optimal physical and mechanical properties of Al–1% Fe–0.3% Zr–0.25% Si alloy was achieved by combining hot rolling and subsequent annealing at a temperature of 400°C for 3 hours. The spherical particles were identified as Al3Zr with a L12 structure and a mean size of 3 nm after annealing at 400°C. After annealing the yield strength and the ultimate tensile strength are 145 and 165 MPa, respectively, with elongation of 12.5%. The increase of electrical conductivity to 56% of IACS after annealing was result by the solid solution decomposition.
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- 2018
4. Effect of heat treatment on the structure and properties of aluminum alloys of the system Al-Fe-Si-Zr
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A. Morozova, D. Bukin, Anna Mogucheva, and Aleksandr Andreevich Kalinenko
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Materials science ,chemistry ,Aluminium ,Metallurgy ,chemistry.chemical_element - Published
- 2018
5. Effect of rolling temperature and subsequent annealing on electrical conductivity and strength of an aluminum alloy
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D. Bukin, A. Morozova, Anna Mogucheva, and A. Kalinenko
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Materials science ,chemistry ,Electrical resistivity and conductivity ,Annealing (metallurgy) ,Aluminium ,Alloy ,engineering ,chemistry.chemical_element ,engineering.material ,Composite material - Published
- 2018
6. Properties and structure of Al-Zr-Fe-Si alloy after thermomechanical treatment
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A. Kalinenko, D. Bukin, A. Morozova, and Anna Mogucheva
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Materials science ,Scanning electron microscope ,Transmission electron microscopy ,Annealing (metallurgy) ,Alloy ,Ultimate tensile strength ,engineering ,engineering.material ,Composite material ,Microstructure ,Indentation hardness ,Electron backscatter diffraction - Abstract
The effect of thermomechanical treatment on the properties and microstructure of the Al–0.3% Zr–1% Fe– 0.25% Si alloy was studied. The hot rolled samples were subjected to annealing at various temperatures in the range from 250 to 500°C. Characterization of the deformed and reversion annealed microstructures was performed by electron back scattered diffraction (EBSD), scanning electron microscope (SEM), light and transmission electron microscopy (TEM). The Vickers microhardness, tensile properties and electroconductivity of samples annealed at different temperatures were also determined. Optimum properties were observed after annealing at 400°C for 3 hours as a result of the formation of nanosized coherent dispersoids of Al3Zr (L12).
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- 2018
7. CVC test in and processes
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A. D. Bukin, V. P. Druzhinin, V. B. Golubev, E. V. Pakhtusova, S. I. Serednyakov, and Konstantin Beloborodov
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Physics ,Nuclear and High Energy Physics ,Isovector ,Meson ,Isoscalar ,Calculus ,Spectral function ,Atomic physics ,Atomic and Molecular Physics, and Optics - Abstract
The combined fitting of the e + e − → K + K − and K S K L cross sections in the energy range from K K ¯ threshold up to 2.15 GeV is done. The fit includes contributions from ρ, ω, ϕ mesons, and their radial and orbital excitations. As a result of the fit, the isovector and isoscalar contributions to the total e + e − → K K ¯ cross section are obtained. The isovector part agrees with the τ → K K ¯ ν spectral function, confirming CVC hypothesis.
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- 2008
8. Measurement of the ω, ρ → π0 e + e − branching fractions
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S. I. Serednyakov, M. N. Achasov, S. V. Koshuba, A. N. Skrinsky, Yu. M. Shatunov, T. V. Dimova, V. P. Druzhinin, V. B. Golubev, E. A. Perevedentsev, D. A. Bukin, A. A. Korol, A. D. Bukin, A. V. Berdyugin, K. I. Beloborodov, A. V. Vasil’ev, I. A. Koop, Z. K. Silagadze, A. G. Bogdanchikov, and E. V. Pakhtusova
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Physics ,Antiparticle ,Particle decay ,Pair production ,Pion ,Branching fraction ,General Physics and Astronomy ,Atomic physics ,Omega baryon ,Dimensionless quantity ,Lepton - Abstract
The e+e− → ω, ρ → π0e+e− processes have been investigated in the experiments with Spherical Neutral Detector at the VEPP-2M e+e− collider. The measurements provide the probability ℬ(ω → π0e+e−) = (0.761 ± 0.053 ± 0.064) × 10−3 of the ω → π0e+eg- conversion decay and the upper limit ℬ(ρ → π0e+e−) < 1.2 × 10−5 (at 90% CL) for the ρ → π0e+e− decay. The transition form factor was measured at three values of the 4-momentum transfer squared.
- Published
- 2008
9. Spherical Neutral Detector tracking system for experiments at VEPP-2000 collider
- Author
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A. A. Korol, S. I. Serednyakov, Yu. V. Usov, D.A. Bukin, V. M. Aulchenko, A.V. Vasiljev, A.G. Kharlamov, Alexander Bogdanchikov, S. V. Koshuba, A. A. Botov, A. A. Sirotkin, A. D. Bukin, V. B. Golubev, V. P. Druzhinin, T.V. Dimova, A. E. Obrazovsky, P. V. Filatov, and E. V. Pakhtusova
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Physics ,Nuclear and High Energy Physics ,Physics::Instrumentation and Detectors ,Detector ,Solid angle ,Charge density ,Cosmic ray ,Charged particle ,Computational physics ,Nuclear physics ,Ionization ,Perpendicular ,Instrumentation ,VEPP-2000 - Abstract
The new tracking system of the Spherical Neutral Detector for experiments at the VEPP-2000 e + e - collider in Novosibirsk is described. The system consists of a 9-layer drift chamber with 24 jet cells and a proportional chamber in a common gas volume. Main system features are its small size and high density of readout channels for gaseous tracking systems at colliding experiments. The drift chamber provides at least four measurements along the track for charged particles within 94% solid angle and nine measurements for particles propagating at large angle relative to the beam axis. R - ϕ coordinates (in a plane perpendicular to the beam axis) are obtained using the ionization drift time measurement. Longitudial coordinates are measured using charge division on anode wires and charge distribution on cathode strips. Design angular resolutions for radial tracks are σ ϕ = 0 . 26 ∘ , σ θ = 0 . 3 ∘ , the vertex resolution is σ R = 0.2 mm . The full-size prototype of the tracking system has been assembled and tested. The wire structure of the prototype represents one quadrant of the chamber. Results of the prototype assembly quality control and tests with radioactive sources and cosmic rays are presented. They are in a good agreement with expected system parameters.
- Published
- 2007
10. The project of the nucleon form factor measurements at VEPP-2000
- Author
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D.A. Bukin, S. I. Serednyakov, A.A. Botov, K.Yu. Skovpen, A. D. Bukin, V. B. Golubev, and V. P. Druzhinin
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Physics ,Nuclear and High Energy Physics ,Particle physics ,Physics::Instrumentation and Detectors ,Nuclear Theory ,Form factor (quantum field theory) ,Measure (mathematics) ,Atomic and Molecular Physics, and Optics ,law.invention ,Nuclear physics ,Near threshold ,law ,Physics::Accelerator Physics ,High Energy Physics::Experiment ,Center of mass ,Nuclear Experiment ,Nucleon ,Collider ,VEPP-2000 - Abstract
We propose to measure the nucleon timelike form factors in the near threshold region in reactions e + e − → p p ¯ and e + e − → n n ¯ . The experiment will be carried out at the VEPP-2000 e + e − collider with the maximum center of mass energy 2000 MeV. Two detectors SND and CMD-3 are intended for these measurements. Nucleon timelike form factors are considered and estimations of the expected accuracy are given.
- Published
- 2006
11. Update of the e + e − → π+π− cross section measured by the spherical neutral detector in the energy region 400 < √s < 1000 MeV
- Author
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Konstantin Beloborodov, T.V. Dimova, V. A. Sidorov, S. I. Serednyakov, Yu. M. Shatunov, A. D. Bukin, V. B. Golubev, Aleksandr Korol, D. A. Bukin, E. V. Pakhtusova, Z. K. Silagadze, A. V. Bozhenok, Yu. A. Tikhonov, A.V. Vasiljev, Alexander Bogdanchikov, M. N. Achasov, A. N. Skrinsky, V. P. Druzhinin, S. V. Koshuba, and A. V. Berdyugin
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Physics ,Antiparticle ,Muon ,Meson ,Physics::Instrumentation and Detectors ,Electron–positron annihilation ,General Physics and Astronomy ,Nuclear physics ,Pion ,Pair production ,Antimatter ,High Energy Physics::Experiment ,Atomic physics ,Lepton - Abstract
The corrected cross section of the e + e − → π+π− process measured in the spherical neutral detector experiment at the VEPP-2M e + e − collider is presented. The update is necessary due to a flaw in the e + e − → π+π− and e + e − → μ+μ− Monte Carlo event generators used previously in data analysis.
- Published
- 2006
12. Study of the process e + e − → π+π− in the energy region $$400 < \sqrt s < 1000 MeV^\P $$
- Author
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M. N. Achasov, K. I. Beloborodov, A. V. Berdyugin, A. G. Bogdanchikov, A. V. Bozhenok, A. D. Bukin, D. A. Bukin, T. V. Dimova, V. P. Druzhinin, V. B. Golubev, I. A. Koop, A. A. Korol, S. V. Koshuba, A. P. Lysenko, A. V. Otboev, E. V. Pakhtusova, S. I. Serednyakov, Yu. M. Shatunov, V. A. Sidorov, Z. K. Silagadze, A. N. Skrinsky, Yu. A. Tikhonov, and A. V. Vasiljev
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Physics ,Systematic error ,Particle physics ,Degree (graph theory) ,Pi ,General Physics and Astronomy ,Omega ,Energy (signal processing) - Abstract
The cross section of the process e^+e^-\to \pi^+\pi^- was measured in the SND experiment at the VEPP-2M collider in the energy region 400
- Published
- 2005
13. Measurement of the relative probability of the decay φ → η′γ in the channel η′ → ηπ0π0, η → γγ
- Author
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V. B. Golubev, Yu. M. Shatunov, Alexander Bogdanchikov, Ivan Koop, A. V. Bozhenok, A. V. Vasil’ev, V. P. Druzhinin, A. V. Otboev, Z. K. Silagadze, A. P. Lysenko, V.A. Sidorov, V. N. Ivanchenko, S. I. Serednyakov, M. N. Achasov, A. D. Bukin, T.V. Dimova, S.V. Koshuba, A. A. Salnikov, V. M. Aulchenko, E. V. Pakhtusova, S.E. Baru, Konstantin Beloborodov, D.A. Bukin, V. V. Shary, A. V. Berdyugin, and A. A. Korol
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Nuclear physics ,Physics ,Particle decay ,Antiparticle ,Annihilation ,Pion ,Meson ,Antimatter ,Hadron ,General Physics and Astronomy ,Lepton - Abstract
The process e + e − → η′γ, η′ → η π0π0, η → γγ is investigated by an SND detector in experiment on a VEPP-2M equipment with colliding electron-positron beams. The analysis of experimental data yields a value of B(ϕ → η′γ)=(6.7 −4.2 +5.0 ±1.5)×10−5 for the decay probability. Taking into account a previous measurement of this quantity by an SND detector in the decay channel η′ → π+π−η, one finally obtains B(ϕ→η ′γ)=(6.7 −2.4 +2.8 ±0.8)×10−5.
- Published
- 2003
14. Experimental study of the e+e−→π0γ process in the energy region s=0.60–0.97 GeV
- Author
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Alexander Valishev, S. I. Serednyakov, Alexander Bogdanchikov, E. E. Pyata, V. P. Druzhinin, V. B. Golubev, Yu. M. Shatunov, V. V. Shary, A. D. Bukin, A. A. Salnikov, A. V. Bozhenok, Yu. V. Usov, T. V. Dimova, Z. K. Silagadze, A. A. Korol, A. V. Vasiljev, A.A. Polunin, E. V. Pakhtusova, A. G. Skripkin, V. N. Ivanchenko, A. V. Berdugin, Konstantin Beloborodov, A.N. Skrinsky, S. V. Koshuba, D.A. Bukin, Vladimir A. Sidorov, and M. N. Achasov
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Physics ,Nuclear and High Energy Physics ,Particle physics ,Range (particle radiation) ,Luminosity (scattering theory) ,Cross section ,Astrophysics::High Energy Astrophysical Phenomena ,Gamma process ,Gamma ray ,Vector meson dominance ,Magnetic dipole transitions ,Astrophysics::Cosmology and Extragalactic Astrophysics ,Omega ,law.invention ,law ,High Energy Physics::Experiment ,Omega meson ,Nuclear Experiment ,Collider ,Rho meson ,Energy (signal processing) - Abstract
Results of the study of the e+e-->pi0 gamma process with SND detector at VEPP-2M collider in the c.m.s. energy range sqrt(s)=0.60-0.97 GeV are presented. Using 36513 selected events corresponding to a total integrated luminosity of 3.4 pb^-1 the e+e-->pi0 gamma cross section was measured. The energy dependence of the cross section was analyzed in the framework of the vector meson dominance model. The data are well described by a sum of phi,omega,rho0->pi0 gamma decay contributions with measured decay probabilities: Br(omega->pi0 gamma)=(9.34+-0.15+-0.31)% and Br(rho0->pi0 gamma)=(5.15+-1.16+-0.73)*10^-4 . The rho-omega relative interference phase is phi(rho,omega}=(-10.2+-6.5+-2.5) degree.
- Published
- 2003
15. Contributed Papers
- Author
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I.J. Scott, J. M. Izen, E.T. Simopoulos, H. Nicholson, Roger Barlow, Martino Margoni, Davide Piccolo, R.J. Plano, A. Santroni, S. Devmal, J. Stelzer, S. Ferrag, G. Della Ricca, P.F. Manfredi, Tim Adye, Valery I. Telnov, Daniele Del Re, David W.G.S. Leith, G. Dahlinger, D. A. Sanders, R. Bartoldus, Zongfu Yu, D.A. Bukin, C. Hast, D. J. Lange, G. Piredda, N. Copty, A. Dvoretskii, J. C. Chen, M. Morii, C. De La Vaissiere, M. Turcotte, Sh. Rahatlou, I. Kitayama, L. Del Buono, J. A. Nash, Joram Berger, Y. u. G. Kolomensky, J. M. Bauer, M. Iwasaki, L. Turnbull, C. H. Cheng, J.F. Kral, R. Muller Pfefferkorn, H. Zobernig, R. J. Wilson, C. Touramanis, L. M. Cremaldi, T.I. Meyer, M. Kalelkar, J. R. Fry, A. W. Borgland, D.E. Azzopardi, G. Grosdidier, U. Mallik, K. T. McDonald, Pierluigi Paolucci, D. G. Hitlin, P. Rankin, T. Dignan, Francesco Lanni, P. Strother, J.Y. Nief, R. Prepost, A. Romosan, P.F. Jacques, F. Galeazzi, E. Roussot, W. H. Toki, Bernard Denis, F. Forti, H. F.W. Sadrozinski, N. Neri, B. N. Ratcliff, Maddie Mc Kay, S. Playfer, C. P. O'Grady, M. Serra, A. V. Telnov, A. Kurup, C. C. Young, M. Bondioli, Simon George, T. Schalk, J. Fullwood, D. R. Muller, P. J. Clark, A. Hicheur, Sven Menke, M. A. Mazzoni, O. Hamon, G. Wormser, A.K. McKemey, A. Olivas, E. A. Kravchenko, M. Weaver, Hz Y. S., R. Schwierz, J. A. Kadyk, B. Di Girolamo, I. M. Peruzzi, A. M. Eisner, Randall P. Johnson, Willocq Stephane, C. Gatto, R. N. Cahn, P. Sanders, Owen Rosser Long, R. W. Kadel, V.V. Serbo, A. Seiden, D. Su, D. Kirkby, G. Vasseur, H. A. Neal, Mathieu Langer, J. Blouw, Maria Roberta Monge, Larry D. Gladney, R. S. Panvini, S. L. Levy, E. Paoloni, Klaus R. Schubert, D. Falciai, Roland Bernet, P. G. Bright Thomas, M.O. Dima, W. Dunwoodie, W. Bugg, S. Bettarini, J.D. McFall, F. Muheim, P.B. Vidal, M. V. Purohit, M. T. Ronan, A. J. S. Smith, W. Bhimji, William S. Lockman, A. Zallo, G.L. Godfrey, Paul Dauncey, F. Colecchia, G. P. Dubois Felsmann, J. Albert, R.J.L. Potter, M. Piccolo, H. O. Cohn, G. Batignani, N. A. Roe, S. Farinon, W. T. Meyer, M. Prest, D.L. Wagner, A. A. Grillo, D. R. Johnson, M. Benkebil, Ren-Yuan Zhu, K. Paick, J. J. Back, Torre Wenaus, J. Krug, S. Versille, C. Thiebaux, Michael S. Witherell, S. Petrak, S. M. Spanier, S. I. Serednyakov, F. Bianchi, David Wallom, T.L. Geld, M. Mandelkern, A. W. Weidemann, F. Bulos, K. Fratini, H. Marsiske, P. Fabbricatore, A. Woch, J. W. Lamsa, V. Zacek, R. Seitz, J. Chauveau, S. Jayatilleke, T. Schietinger, S. Otto, C. Campagnari, A. R. Buzykaev, C. Voci, Stephane T'Jampens, M. S. S. Gill, H. Staengle, Asoka S. De Silva, F. Le Diberder, Pu Wang, H.A. Tanaka, S. Emery, D. S. Best, C. Patrignani, J. P. Lees, R. de Sangro, V. Tisserand, T.M.B. Kordich, G. W. London, A. B. Breon, Maurizio Lo Vetere, M. Carpinelli, M.G. Pia, C. Dallapiccola, S. J. Yellin, W. Verkerke, J.R. Johnson, M. Rotondo, M. Dickopp, S. J. Gowdy, G. Triggiani, J. Lory, V. Lillard, Corrado Angelini, S. Passaggio, A. Smol, T. Deppermann, Mario Giorgi, Michael Steinke, B. Spaan, Giovanni Crosetti, Patrick Robbe, D. Thiessen, R. Aleksan, E.D. Frank, A. Frey, J. Schwiening, A. V. Gritsan, S. F. Ganzhur, H. R. Band, R. E. Schmitz, C. P. Jessop, A. N. Yushkov, H. Briand, A. D. Bukin, D. J. Knowles, Morganti Silvio, F. X. Yumiceva, J. Cochran, N. Cavallo, J. J. Walsh, Qi N. D., M. Folegani, William J. Wisniewski, A. J.R. Weinstein, G. Michelon, Gabriella Sciolla, A. Tumanov, A. Palano, Y. B. Pan, G. Blaylock, C. Bozzi, G. Cowan, Stéphane Plaszczynski, C. Lu, D. Judd, M. K. Sullivan, E. Treadwell, Ch. Bula, S. Christ, G. S. Abrams, B. A. Schumm, Jochen Schieck, D. Zanin, R. Faccini, G. Simi, F. Ferrarotto, A. J. Lankford, M.G. Wison, R. Kowalewski, J. Oyang, M.L. Aspinwall, R. C. Field, F. Salvatore, K.C. Moffeit, C. A. Heusch, M. R. Convery, G. Finocchiaro, B. T. Meadows, A. Buzzo, Frank Jackson, S. M. Xella, G. Cavoto, H. B. Crawley, G. Vuagnin, G. De Nardo, J. D. Richman, Jan Stark, Sercan Sen, Stephen J. McMahon, T. S. Mattison, Helen R. Quinn, V. Luth, Teresa Barillari, Bryan Dahmes, R. M. Bionta, V. B. Golubev, G. D. Lafferty, N. Chevalier, M. Posocco, H. Schmuecker, P. Patteri, L. Piemontese, D. J. B. Smith, L. Behr, G. Raven, M. D. Sokoloff, C. M. Brown, N. Dyce, Aron Soha, A. Snyder, L. Lanceri, R. C. W. Henderson, E. Gabathuler, F. C. Porter, Jayashree Roy, J.P. Martin, P. J. Oddone, D. Lavin, D.A. Roberts, E. Lamanna, Crisostomo Sciacca, D. Aston, J. H. Von Wimmersperg Toeller, M. M. Macri, D.P. Coupal, J. O. Nielsen, G. Rizzo, T. A. Gabriel, A. Valassi, A. Jawahery, Sandrine Laplace, V.G. Shelkov, Stefan Kluth, Vuko Brigljevic, J. Va’vra, P. Poropat, T. Handler, A. Gaidot, E. Maly, Michael Doser, Aubert Bernard, R. J. Sloane, P. R. Burchat, H. W. Shorthouse, S. Trincaz Duvoid, F. F. Wilson, A. R. Clark, G. P. Gopal, N. Kuznetsova, T. Himel, Peter Elmer, M. Rama, A. P. Onuchin, P. N. Y. David, H. Park, G.P. Chen, Allison John, R. Cowan, E. I. Rosenberg, J. A. McKenna, Paola Grosso, A. A. Salnikov, P. Dixon, R. Liu, F. Anulli, I. Adam, F. Dal Corso, T. B. Moore, E. Chen, Q. H. Guo, B. Stugu, A. M. Eichenbaum, Bona Marcella, G. R. Bonneaud, P.L. Anthony, R. Parodi, Alexis Pompili, Tetiana Hryn'ova, S. Dittongo, D. J. Payne, U. Nauenberg, Enrico Robutti, S. Ricciardi, Russell S. Hamilton, J. Dorfan, Amir Ahsan, S. H. Robertson, B. Serfass, N. Savvas, A. M. Boyarski, A. Samuel, Benayoun Maurice, Sridhara Dasu, A.C. Forti, C. Cartaro, W. Kozanecki, B. Franek, Herbert Koch, Tiehui Liu, C. Voena, A. Hauke, M. Booke, K. T. Flood, R. Frey, M. H. Kelsey, C. C. Buchanan, Brad Abbott, David Nathan Brown, M. Verderi, Ph Leruste, M. Turri, P. F. Giraud, M. Momayezi, C. LeClerc, B. Mayer, Y. I. Skovpen, Monika Grothe, R. Messner, L. T. Kerth, Marcel Kunze, D.E. Dorfan, G. Rong, Stanley S. Hertzbach, G. Vasileiadis, S. Luitz, D.H. Coward, V. Eschenburg, A. Lu, H. Hu, D. C. Williams, P. Taras, Elliott D. Bloom, Scott D. Metzler, L.S. Rochester, J. M. Roney, Luca Lista, R. Musenich, V. E. Blinov, W.A. Wenzel, L. Bosisio, T.R. McMahon, R. C. Penny, David Norvil Brown, P. C. Bloom, M. Falbo, K. Goetzen, Yuehong Xie, P.L. Reinertsen, V. Miftakov, W. N. Cottingham, M. Morandin, C. Yeche, G. Calderini, M. H. Schune, C. E. Marker, E. Charles, F. Sandrelli, R. Contri, R. Stroili, C. Borean, F.C. Pastore, Anders Ryd, Hocker Andreas, F. E. Taylor, M. Pripstein, M.E. Huffer, A. M. Lutz, K. van Bibber, S. W. O'Neale, V. Lepeltier, J.H. Weatherall, N. R. Barlow, B. Foster, F. Palombo, Vivek Sharma, J. Olsen, S.F. Schaffner, Marco Pallavicini, M.E. Levi, Peter S. Kim, P. McGrath, Michael C. Carroll, William T. Ford, D. Boutigny, D. H. Wright, S. Fahey, T. Glanzman, E. Vallazza, F. Brochard, S. B. Chun, S. Yang, Francesco Fabozzi, J. Trischuk, Y. Groysman, N. I. Geddes, L. Wilden, C.S. Sutton, G. Lynch, James G. Smith, S. Prell, G. Eigen, M. L. Kocian, F. Safai Tehrani, Jie Zhang, B. Lewandowski, A. Anjomshoaa, D. B. MacFarlane, E. W. Varnes, Craig R. Wuest, A. Soffer, J. Brose, Kazuo Abe, A. Lusiani, A. Calcaterra, J.R.G. Alsmiller, J. G. Branson, W. Kroeger, R. R. Kofler, M. Krishnamurthy, K.G. Baird, N. De Groot, N.J.W. Gunawardane, S. Bagnasco, C. Roat, D. E. Wagoner, D. Gamba, D. P. Stoker, Benjamin Brau, C. L. Davis, Ivo M. Gough Eschrich, R. Gamet, W. C. van Hoek, P.A. Hart, Douglas Wright, M. Haire, Langenegger Urs, Leonardi Emanuele, G. Vaitsas, C. Priano, Wu S. L., M. Mugge, J. E. Brau, J.M. Gaillard, M.I. Williams, Y. Karyotakis, F. Di Lodovico, V. N. Ivanchenko, V. Speziali, C. M. Hawkes, P. F. Harrison, X. Shi, Amir Farbin, A. Khan, V. Re, K. Arisaka, T. J. Harrison, Richard Mount, J.J. Reidy, R. Waldi, R. S. Dubitzky, J. M. LoSecco, J.E. Swain, N. B. Sinev, Simon Jolly, H. M. Lacker, Wolfgang Walkowiak, H. L. Lynch, R. G. Jacobsen, P.A. Fischer, D. M. Strom, A. Dorigo, C. Hearty, D. J. Summers, T. J. Brandt, Janice Button Shafer, A. Perazzo, M. Milek, Ingrid U. Scott, F. Simonetto, R. H. Schindler, R. Baldini Ferroli, Krisztian Peters, R. Kroeger, Richard O. Claus, A. T. Watson, A. B. Meyer, X. C. Lou, A. Roodman, T. Pulliam, F. Ferroni, J. Beringer, D. A. Bowerman, P. M. Patel, Stephen Robert Wagner, J.H. Panetta, M. George, N. K. Watson, T. Colberg, U. Egede, J. Cohen Tanugi, Jane S. Tinslay, M. L. Perl, G. De Domenico, J. T. Boyd, Walter R. Innes, Lydia Roos, F. Martinez Vidal, M. Morganti, J.C. Andress, John L. Harton, M. Zito, A. A. Korol, R. K. Yamamoto, M. G. Green, H. Singh, E. Torassa, and G. Mancinelli
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Branching (linguistics) ,Physics ,Nuclear and High Energy Physics ,Particle physics ,Astronomy and Astrophysics ,Atomic and Molecular Physics, and Optics - Published
- 2002
16. Effect of Si and Zr on the Microstructure and Properties of Al-Fe-Si-Zr Alloys
- Author
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Anna Mogucheva, O.A. Lukianova, Rustam Kaibyshev, Nikolay A. Belov, Natalya Korotkova, A. Morozova, and D. Bukin
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lcsh:TN1-997 ,Materials science ,Annealing (metallurgy) ,microstructure ,Zr alloy ,02 engineering and technology ,01 natural sciences ,Indentation hardness ,Electrical resistivity and conductivity ,0103 physical sciences ,General Materials Science ,aluminum alloys ,Al-Fe-Si-Zr system ,hardness ,electrical conductivity ,lcsh:Mining engineering. Metallurgy ,010302 applied physics ,Platelet Morphology ,Metallurgy ,Metals and Alloys ,021001 nanoscience & nanotechnology ,Microstructure ,Chemical engineering ,0210 nano-technology ,Solid solution - Abstract
The effects of Si and Zr on the microstructure, microhardness and electrical conductivity of Al-Fe-Si-Zr alloys were studied. An increase in the Zr content over 0.3 wt. % leads to the formation of primary Al3Zr inclusions and also decreases mechanical properties. Therefore, the Zr content should not be more than 0.3 wt. %, although the smaller content is insufficient for the strengthening by the secondary Al3Zr precipitates. The present results indicate that high content of Si significantly affects the hardness and electrical conductivity of the investigated alloys. However, the absence of Si led to the formation of harmful needle-shaped Al3Fe particles in the microstructure of the investigated alloys after annealing. Therefore, the optimum amount of Si was 0.25–0.50 wt. % due to the formation of the Al8Fe2Si phase with the preferable platelet morphology. The maximum microhardness and strengthening effects in Al-1% Fe-0.25% Si-0.3% Zr were observed after annealing at 400–450 °C due to the formation of nanosized coherent Al3Zr (L12) dispersoids. The effect of the increasing of the electrical conductivity can be explained by the decomposition of the solid solution. Thus, Al-1% Fe-0.25% Si-0.3% Zr alloy annealed at 450 °C has been studied in detail as the most attractive with respect to the special focus on transmission line applications.
- Published
- 2017
17. Study of conversion decays φ→ηe+e− and η→γe+e− in the experiment with SND detector at VEPP-2M collider
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A. A. Salnikov, Alexander Valishev, I.A. Gaponenko, A. A. Mamutkin, S. I. Serednyakov, V.A. Sidorov, T.V. Dimova, S.V. Koshuba, G.A. Kukartsev, V. P. Druzhinin, A. V. Berdyugin, A. V. Bozhenok, V. B. Golubev, Yu. M. Shatunov, A.N. Skrinsky, A. D. Bukin, D.A. Bukin, M. N. Achasov, M. S. Dubrovin, V.M. Aulchenko, A. V. Vasiljev, Aleksandr Korol, Z. K. Silagadze, P.M. Ivanov, Vladimir Ivanchenko, A.V. Otboev, Alexander Bogdanchikov, S.V. Burdin, V. V. Shary, Konstantin Beloborodov, and E.V. Pakhtusova
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Nuclear physics ,Physics ,Nuclear and High Energy Physics ,Particle physics ,Detector ,Mass spectrum - Abstract
The conversion decays φ→ηe+e− and η→γe+e− were studied by the SND detector using φ-meson production in e+e−-annihilation at VEPP-2M collider. The branching ratios of these decays were measured: Br(φ→ηe+e−)=(1.19±0.19±0.07)×10−4 and Br(η→γe+e−)=(5.15±0.62±0.39)×10−3. The e+e−-pair mass spectra and transition form factors were also studied.
- Published
- 2001
18. Measurement ofCP-Violating Asymmetries inB0Decays toCPEigenstates
- Author
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J. Chauveau, J. E. Rasson, J. Nielsen, R. R. Kofler, D. E. Wagoner, A. Kurup, D. McShurley, B. Claxton, Gabriele Simi, R. Contri, P. L. Reinertsen, C. L. Davis, J. D. McFall, T. J. Harrison, R. Prepost, M. Haire, J. Va'vra, Richard Mount, J.L. Hewett, J.J. Reidy, P.F. Jacques, J. Oyang, I. Kitayama, Matteo Rama, P. F. Kunz, J. Lidbury, C. D. Buchanan, M. S. Dubrovin, Helen R. Quinn, J. Hanson, A. Hasan, A. Soha, P. G. Bright-Thomas, V. B. Golubev, R. Reif, R. Aleksan, J.F. Kral, S. Petrak, M. Krishnamurthy, J. M. LoSecco, J.E. Swain, L. Sapozhnikov, A. Olivas, Bernard Aubert, A. Gaidot, D. J. Payne, E. A. Kravchenko, U. Nauenberg, G. P. Gopal, A. Samuel, M. Doser, H. Lebbolo, Tiehui Liu, G. Vaitsas, B. Dahmes, G. Manzin, R. J. Sloane, D. Breton, James H Cochran, Marcel Kunze, S. F. Dow, M. Benayoun, A. Anjomshoaa, S. Dardin, S. Patton, N. B. Sinev, G. De Nardo, S. Luitz, A. R. Clark, G. Mancinelli, G. Calderini, C. Hast, R. Baldini-Ferroli, K. T. McDonald, Pierluigi Paolucci, D. Kirkby, G. Vasseur, F. Galeazzi, Roland Martin, K. Marks, Y. S. Zhu, T.M.B. Kordich, S. Devmal, D. Judd, J. M. Bauer, S. McMahon, Zongfu Yu, D. Bernard, Y. Karyotakis, F. Di Lodovico, M. Turri, C. De La Vaissiere, C. Dallapiccola, O. H. Saxton, E. Maly, Roland Bernet, C. T. Boeheim, G. Haller, L.S. Rochester, J. L. Harton, S. W. K. Emery, W. Orejudos, G. Lynch, P. David, J. M. Roney, Mossadek Talby, Wolfgang Walkowiak, H. L. Lynch, M. Turcotte, A. W. Weidemann, R. G. Jacobsen, Douglas Wright, S. F. Ganzhur, H. R. Band, R. E. Schmitz, P. Bailly, A. Höcker, E.N. Spencer, Luca Lista, J. R. Fry, G. W. London, N. R. Barlow, R. Coombes, P. McGrath, C. Renard, S. Fahey, F. Gaede, J. G. Smith, C. P. Jessop, S. Dû, J. Zhang, K. T. Flood, G. Rizzo, A. Zallo, G.L. Godfrey, O. Hamon, V. Eschenberg, D. Nelson, D. R. Quarrie, S. Prell, F. Colecchia, Sven Menke, S. D. Ecklund, F. Bulos, V. Speziali, A. K. McKemey, V. G. Shelkov, W. Burgess, W. S. Lockman, A. A. Salnikov, M. Dickopp, J. A. Nash, M. Lo Vetere, L. A. Klaisner, C. M. Hawkes, X. Shi, C. le Clerc, S. A. Lewis, A. Valassi, Yuehong Xie, V. Miftakov, P.A. Fischer, D. M. Strom, G. Michelon, H. W. Shorthouse, J. Ohnemus, S.M. Jayatilleke, V. Zacek, T. Schietinger, T. Weber, R.J. Plano, A. Mokhtarani, A. Santroni, P. Poropat, J. Pavlovich, Amir Farbin, Justin Albert, Y. I. Skovpen, R. Messner, C. H. Cheng, A. Kirk, J. Schwiening, S. S. Hertzbach, Y. Groysman, A. Hanushevsky, D.H. Coward, B. Byers, D. Su, Mathieu Langer, A. J.S. Smith, G. Rong, C.S. Lin, S. Jayatilleke, H. A. Tanaka, M. R. Convery, D. Warner, H. von der Lippe, A. N. Yushkov, M. Kalelkar, R. Krause, G. S. Abrams, M. Folegani, S. Sen, Philip James Clark, M. Iwasaki, L. Turnbull, Marcello Rotondo, R. J. Wilson, Owen Rosser Long, F. Bronzini, A. Seiden, X. C. Lou, J. J. Walsh, A. Tumanov, M. L. Kocian, L. Cottrell, C. Lionberger, S. Galagedera, Ralph Müller-Pfefferkorn, J. MacDonald, I.J. Scott, P. Besson, D. Newman-Coburn, M. Nyman, J. Lamsa, D. A. Roberts, F.C. Pastore, F. E. Taylor, P. Taras, P. Dixon, D. Gamba, S. Trincaz-Duvoid, Michael Sokoloff, T. Handler, N. K. Watson, Alexander Grillo, P. Eckstein, T. Colberg, John Back, D. R. Freytag, R. Seitz, Stephane T'Jampens, V. le Peltier, J. H. von Wimmersperg-Toeller, Jamie Boyd, B. Camanzi, V. E. Blinov, A. Frey, A. W. Borgland, G. Batignani, G. Grosdidier, James S. Harris, G. Finocchiaro, G. R. Bonneaud, J. Dorfan, Amir Ahsan, D. N. Brown, A.K. Michael, L. M. Cremaldi, J. Roy, R. de Sangro, S. L. Wu, T. R. McMahon, C. Angelini, S. Kyre, R. S. Dubitzky, A. Pompili, A. M. Boyarski, J. P. Lees, Vladimir Ivanchenko, U. Egede, Paola Grosso, Wouter Verkerke, F. Simonetto, G. Sciolla, M. George, R. H. Schindler, F. R. Goozen, D. S. Brown, U. Langenegger, J. Lory, M. Mandelkern, K. Ford, Craig R. Wuest, T. Fieguth, P. Bourgeois, M. Grothe, R. N. Cahn, S. Kluth, P. J. Oddone, Maria Roberta Monge, T. Dignan, John E. Bartelt, E.T. Simopoulos, H. Nicholson, B. Abbott, M. Beaulieu, W. H. Toki, A. Brooks, A. Jeremie, Mario Giorgi, I. De Bonis, Jane S. Tinslay, L. Del Buono, Claudio Campagnari, B. Lewandowski, J. E. Brau, Martino Margoni, H. Zobernig, K. Skarpass, J.L. Heck, E. Borsato, M. Piccolo, E. L. Hart, E. Chen, Q. H. Guo, B. Stugu, G. De Domenico, S. Versille, H. Staengle, W. W. Craddock, N. De Groot, D. B. MacFarlane, F. Brochard, Ph Leruste, S. Morganti, Sridhara Dasu, Bruce Schumm, J. A. McKenna, M. Serra, H. Kawahara, S. Jolly, D. G. Hitlin, Robert Henderson, P. Rankin, J.T. Seeman, J. N. Albert, D. E. Dorfan, S. Chun, W. Pope, Joseph Izen, S. W. O'Neale, M. Momayezi, N. A. Roe, D. Zanin, Mauro Morandin, M. Carpinelli, Lydia Roos, B. Mayer, A. de Silva, A. J.R. Weinstein, L. Keller, R. Kroeger, C. Gatto, Krisztian Peters, A. Mass, E. Paoloni, F. Forti, P.B. Vidal, J. Stelzer, A. Lu, Elliott D. Bloom, Scott D. Metzler, Marco Pallavicini, U. Wienands, P.L. Anthony, L. Behr, T.J. Pavel, Francesco Lanni, J. Button-Shafer, W. Kroeger, P. Strother, J.M. Gaillard, D. Boutigny, M. Morganti, C. Bula, Johann Cohen-Tanugi, F. Muheim, J.C. Andress, P.F. Manfredi, A. T. Watson, R. C. Jared, S. Yang, W. A. Wenzel, D. W. G. S. Leith, Francesco Fabozzi, S. Bettarini, W. N. Cottingham, S. Metcalfe, Dc Williams, T. Benninger, W. T. Ford, R. J. Thompson, D.L. Wagner, Tim Adye, K. Fratini, Valerio Re, M. M. Macri, Rana R. McKay, Andrei Gritsan, R. Frey, B. T. Meadows, M. H. Kelsey, A. B. Breon, W. M. Bugg, Alberto Lusiani, E. Roussot, H. F.W. Sadrozinski, Nicola Neri, J. Trischuk, T. Schalk, George Lafferty, C. Hearty, F. Ferrarotto, A. A. Korol, G. Vasileiadis, G. Triggiani, G. Raven, E. Charles, P. Kim, S. L. Levy, N. Kuznetsova, A. M. Eisner, Tom Elioff, C. M. Brown, D. J. Summers, P. F. Harrison, M. Bondioli, P. R. Burchat, N. Savvas, A. Buccheri, J. Brose, M. A. Mazzoni, G. Wormser, A. Calcaterra, R. K. Yamamoto, Wahid Bhimji, K. Baird, G. Zioulas, J. R. Johnson, Emilio Leonardi, A. V. Telnov, C. Bozzi, Fergus Wilson, I. Kipnis, J. F. Genat, R. Stone, B. Pedrotti, J.R.G. Alsmiller, J. Y. Nief, G. Putallaz, K. Truong, C. E. Marker, Jacek Becla, C. Roat, H. Singh, J. Stark, D. Oshatz, F. Anulli, A. Perazzo, M. Milek, C. Voena, A. Roodman, F. Martinez-Vidal, S. Willocq, D. P. Stoker, Dominik Müller, Willem G. J. Langeveld, B. Serfass, S. Dittongo, Filippo Bosi, T. I. Meyer, T. Pulliam, S. H. Robertson, I. M. Peruzzi, Roland Waldi, F. G. O'Neill, G. Della Ricca, Patrick Robbe, D. Thiessen, L. Wilden, F. Ferroni, G. Hamel de Monchenault, V.V. Serbo, R. S. Panvini, D. Falciai, P.A. Hart, J. J. Russell, E.D. Frank, W. Dunwoodie, A. Jawahery, R. Bard, Y. B. Pan, R. Kowalewski, Q. Fan, Ingrid U. Scott, M. Booke, S. I. Serednyakov, F. Bianchi, David Wallom, R. Fernholz, Bruce E. Sands, M. Verderi, Darren Price, D. A. Bowerman, R. Bartoldus, M.L. Aspinwall, A. Buzzo, R. J. Barlow, I. Gaponenko, P. Sanders, M. Pripstein, P. M. Patel, M. V. Purohit, A. B. Meyer, Stefan M Spanier, V. I. Telnov, F. X. Yumiceva, G. Crosetti, Stephen Robert Wagner, J.H. Panetta, Pu Wang, James L. White, Yg Kolomensky, C. Beigbeder, K. R. Schubert, F. Gastaldi, L. Gladney, R.J.L. Potter, R. Faccini, K. van Bibber, Lodovico Ratti, V. Brigljević, J. A. Kadyk, A. J. Lankford, Enrico Robutti, M. Marino, K. Paick, U. Mallik, M. Reep, F. Le Diberder, S. M. Xella, C. Cartaro, Marcella Bona, J. D. Richman, B. Franek, N. Chevalier, M. Posocco, C. Peters, M. Benkebil, L. T. Kerth, J.H. Weatherall, D.P. Coupal, B. Foster, G. A. Cowan, C. Thiebaux, F. Palombo, Vivek Sharma, J. Fullwood, G. M. Kolachev, G. Blaylock, Michael C. Carroll, G. Vuagnin, M. Nordby, M. Marzolla, A. Smol, Michael S. Witherell, P. E. Raines, W. Kozanecki, T.L. Geld, M. T. Ronan, R. Lafever, A. Romosan, L. Gosset, A. P. Onuchin, G. P. Dubois-Felsmann, G.P. Chen, S. K. Louie, P. D. Dauncey, Peter Elmer, C. Patrignani, A. R. Buzykaev, I. Eschrich, V. Tisserand, M. Long, N. Copty, H. Schmuecker, M. S. Gill, J. L. Wittlin, B. Yamamoto, Luciano Bosisio, J. P. Martin, D. J. Knowles, T. G. O'Connor, R. W. Kadel, L. Piemontese, R. Claus, A. Palano, T. B. Moore, E. Gabathuler, W. R. Innes, A. Soffer, F. C. Porter, J. Krug, I. Adam, H.J. Krebs, R. Cizeron, R. Cowan, M. Weaver, G. Cavoto, R. P. Johnson, J. R. Schieck, V. Lillard, T. Deppermann, Stephen Gowdy, Ren-Yuan Zhu, H. B. Crawley, David J. Smith, C. A. Heusch, J. Perl, H. Marsiske, S. Bagnasco, Yang Li, Ezio Torassa, A. M. Lutz, W. J. Wisniewski, D. Del Re, S. J. Yellin, M. I. Williams, S. Passaggio, C. Voci, E. Lamanna, Crisostomo Sciacca, D. Aston, F. Jackson, Michael Levi, B. Brau, C. Touramanis, H. O. Cohn, D.E. Azzopardi, F. Dal Corso, G. Dahlinger, T. S. Mattison, D. A. Sanders, D.A. Bukin, D. J. Lange, G. Piredda, A. Dvoretskii, J. C. Chen, M. E. Huffer, L. Martin, M. Morii, Sh. Rahatlou, Maria Grazia Pia, S. Playfer, C. P. O'Grady, Akram Khan, R. Gamet, B. Di Girolamo, N. Dyce, T. J. Wenaus, E. I. Rosenberg, C. T. Day, T. Glanzman, Mg Green, Daniel Johnson, J. Olsen, M. Zisman, P. Patteri, O. Fackler, M. McCulloch, R. Bell, G. Oxoby, M. K. Sullivan, E. Treadwell, B. Zhang, Simon George, N. J.W. Gunawardane, Herbert Koch, R. C. Field, F. Salvatore, K.C. Moffeit, P. Matricon, V. Luth, S.C. Berridge, F. Sandrelli, R. M. Bionta, H. de Staebler, A. Snyder, C. Lu, T. A. Gabriel, H. Futterschneider, G. Fouque, T. Himel, R. Boyce, S. Otto, E. W. Varnes, Achim Stahl, John Allison, S. Ferrag, S. Burke, B. Spaan, H. Briand, A. D. Bukin, N. Cavallo, L. Lanceri, Stéphane Plaszczynski, J. Beringer, C. Bulfon, S. F. Schaffner, B. N. Ratcliff, N. D. Qi, R. Schwierz, M. Mugge, M. Zito, D. Fujino, Dave Britton, C. C. Young, W. T. Meyer, J. Blouw, Davide Piccolo, H. Hu, A. Karcher, M. Kay, P. C. Bloom, R. Hamilton, M. Falbo, Harold S. Park, P. Mora de Freitas, C. Yeche, M. H. Schune, T. Brandt, R. Stroili, H. A. Neal, A. Ryd, W. C. van Hoek, M. Steinke, N. I. Geddes, C.S. Sutton, G. Eigen, F. Safai Tehrani, Daniel E. Hale, and Kazuo Abe
- Subjects
Physics ,Particle physics ,010308 nuclear & particles physics ,Electron–positron annihilation ,media_common.quotation_subject ,General Physics and Astronomy ,01 natural sciences ,Asymmetry ,Standard Model ,B-factory ,Nuclear physics ,Particle decay ,Amplitude ,0103 physical sciences ,CP violation ,High Energy Physics::Experiment ,B meson ,010306 general physics ,media_common - Abstract
We present measurements of time-dependent CP-violating asymmetries in neutral B decays to several CP eigenstates. The measurement uses a data sample of 23x10(6) Upsilon(4S)-->BbarB decays collected by the BABAR detector at the PEP-II asymmetric B Factory at SLAC. In this sample, we find events in which one neutral B meson is fully reconstructed in a CP eigenstate containing charmonium and the flavor of the other neutral B meson is determined from its decay products. The amplitude of the CP-violating asymmetry, which in the standard model is proportional to sin2beta, is derived from the decay time distributions in such events. The result is sin2beta = 0.34+/-0.20 (stat)+/-0.05 (syst).
- Published
- 2001
19. Direct Measurement of theφ(1020)Leptonic Branching Ratio
- Author
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A. A. Salnikov, Alexander Bogdanchikov, A. V. Bozhenok, P.M. Ivanov, Vladimir Ivanchenko, Yu. M. Shatunov, Z. K. Silagadze, V. V. Shary, S. V. Burdin, M. N. Achasov, A. N. Skrinsky, D. A. Bukin, Konstantin Beloborodov, E. V. Pakhtusova, M. S. Dubrovin, T.V. Dimova, Y. Usov, V. B. Golubev, A. A. Drozdetsky, I. A. Gaponenko, S. V. Koshuba, Sergey Serednyakov, A. V. Berdyugin, A.V. Vasiljev, A. P. Lysenko, Aleksandr Korol, V. A. Sidorov, E. A. Perevedentsev, A. D. Bukin, Igor Nesterenko, and V. P. Druzhinin
- Subjects
Physics ,High Energy Physics - Experiment (hep-ex) ,Particle physics ,Branching fraction ,Electron–positron annihilation ,Analytical chemistry ,FOS: Physical sciences ,General Physics and Astronomy ,High Energy Physics::Experiment ,Particle Data Group ,Phi meson ,High Energy Physics - Experiment - Abstract
The process e+e-->mu+mu- has been studied by SND detector at VEPP-2M e+e- collider in the phi(1020)-resonance energy region. The measured effective phi meson leptonic branching ratio: B(phi->l+l-)=sqrt{B(phi->e+e-)*B(phi->mu+mu-)}=(2.89+-0.10+-0.06)*10^{-4} agrees well with the PDG value B(phi->e+e-)=(2.91+-0.07)*10^{-4} confirming mu-e universality. Without additional assumption of mu-e universality the branching ratio B(phi->mu+mu-)=(2.87+-0.20+-0.14)*10^{-4} was obtained., RevTeX, 5 pages, 3 figures. To be published in Phys. Rev. Lett
- Published
- 2001
20. The process e + e − → ωπ0 near the Φ resonance
- Author
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A. A. Salnikov, A. G. Bogdanchikov, D. A. Bukin, M. N. Achasov, A. N. Skrinsky, V. V. Shary, E. V. Pakhtusova, A.V. Vasiljev, Yu. M. Shatunov, T.V. Dimova, S. I. Serednyakov, A. V. Bozhenok, Konstantin Beloborodov, V. A. Sidorov, P.M. Ivanov, S. V. Koshuba, I. A. Gaponenko, A. D. Bukin, A. A. Drozdetsky, V. B. Golubev, A. V. Berdyugin, A. P. Lysenko, Aleksandr Korol, V. M. Aulchenko, I. A. Koop, S. V. Burdin, G.A Kukartsev, V. P. Druzhinin, M. S. Dubrovin, Vladimir Ivanchenko, Z. K. Silagadze, and A. V. Otboev
- Subjects
Cross section (geometry) ,Physics ,Nuclear physics ,Solid-state physics ,Meson ,law ,General Physics and Astronomy ,Resonance ,Interference wave ,Atomic physics ,Collider ,law.invention - Abstract
The reaction e + e −→ωπ0 near a Φ resonance was studied with a spherical neutral detector at VEPP-2M e + e − collider. Both main modes of decay of a ω meson were investigated: ω→π+π−π0 and ω→π 0γ. The probability of decay Φ→ωπ0 was obtained from the magnitude of the interference wave in the cross section for the reaction e + e −→ωπ0→ π+π−π0π0: B(Φ→ωπ0) = (5.5 −1.4 +1.6 ±0.3) ×10−5. The ratio of the partial widths of the ω meson was obtained from the ratio of the cross sections for the two modes: Γ(ω→π0γ )/Γ(ω→π+π−π0) = 0.0994 ± 0.0036 ± 0.0038.
- Published
- 2000
21. The e + e −→π0π0γ process below 1.0 GeV
- Author
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A. V. Vasil’ev, A. A. Drozdetskii, A. A. Salnikov, V. P. Druzhinin, V. B. Golubev, Yu. M. Shatunov, V.A. Sidorov, D. I. Ganyushin, A. V. Bozhenok, A.A. Polunin, S.V. Burdin, G.A. Kukartsev, E. V. Pakhtusova, M. N. Achasov, P.M. Ivanov, V. N. Ivanchenko, Z. K. Silagadze, Konstantin Beloborodov, E. E. Pyata, S. I. Serednyakov, V. V. Sharyi, A. V. Berdyugin, D.A. Bukin, A. A. Korol, A. D. Bukin, Alexander Bogdanchikov, M. S. Korostelev, T.V. Dimova, and S.V. Koshuba
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Nuclear physics ,Physics ,Range (particle radiation) ,Physics and Astronomy (miscellaneous) ,law ,Electron–positron annihilation ,Collider ,law.invention - Abstract
The e + e −→π0π0 γreaction was studied in the energy range 0.36–0.97 GeV on a VEPP-2M e + e − collider with an SND detector. The decay probabilities were found to be B(ω→ π0π0γ)= (7.8 ±2.7±2.0)×10−5 and B(π→ π0π0γ)= (4.8 −1.8 +3.4 ±0.2)×10−5.
- Published
- 2000
22. The φ→ηπ0γ decay
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E. E. Pyata, A. A. Mamutkin, A. V. Vasil’ev, V. V. Shary, Z. K. Silagadze, A. V. Bozhenok, Korostelev, I. A. Gaponenko, V. P. Druzhinin, S. I. Serednyakov, V. B. Golubev, Yu. M. Shatunov, V. N. Ivanchenko, Konstantin Beloborodov, A. A. Salnikov, D.A. Bukin, A.N. Skrinsky, A. V. Berdyugin, T. V. Dimova, Sergey Burdin, A. D. Bukin, M. N. Achasov, Vladimir A. Sidorov, S. I. Dolinsky, A. A. Korol, Dubrovin, S. V. Koshuba, E. V. Pakhtusova, and S.E. Baru
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Nuclear physics ,Physics ,Nuclear and High Energy Physics ,Particle physics ,Electron–positron annihilation ,Gamma ray - Published
- 2000
23. Measurement of the relative probability of φ →ηγ decay in the η → π +π−π0 channel
- Author
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A. A. Salnikov, V.A. Sidorov, A. V. Otboev, V. V. Sharyi, V. B. Golubev, Yu. M. Shatunov, D.A. Bukin, I.A. Gaponenko, A. V. Berdyugin, M. S. Dubrovin, S. I. Serednyakov, Vladimir Ivanchenko, D. I. Ganyushin, G. A. Kukhartsev, E.V. Pakhtusova, S.V. Burdin, Konstantin Beloborodov, A. S. Zakharov, T.V. Dimova, Z. K. Silagadze, S.V. Koshuba, A. V. Vasil’ev, A. D. Bukin, A. A. Mamutkin, Aleksandr Korol, P.M. Ivanov, S. I. Dolinskii, A. V. Bozhenok, V. P. Druzhinin, and M. N. Achasov
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Physics ,Solid-state physics ,Detector ,General Physics and Astronomy ,High Energy Physics::Experiment ,Elementary particle ,Field theory (psychology) ,Relative probability ,Atomic physics ,Quantum field theory ,Spectroscopy ,Storage ring - Abstract
The relative decay probability B(φ → ηγ) = (1.259 ± 0.030 ± 0.059)% in the decay channel η → π+π−π0 has been measured in an experiment using a spherical neutral detector in the VEPP-2M electron-positron storage ring. The result agrees with the tabulated value and with measurements of this probability using the spherical neutral detector in other η-meson decay channels.
- Published
- 2000
24. Interpolation of experimental data without a theoretical model
- Author
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A. D. Bukin
- Subjects
Smoothness (probability theory) ,Fortran ,Gaussian ,General Physics and Astronomy ,Experimental data ,symbols.namesake ,symbols ,Applied mathematics ,Minification ,Round-off error ,Likelihood function ,computer ,computer.programming_language ,Interpolation ,Mathematics - Abstract
A new approach is proposed for the interpolation of experimental data when a theoretical model is unavailable. The method is based on the minimization of a modified likelihood function incorporating a generalized smoothness test of the theoretical curve. The conditions for applicability of the method are a sufficiently accurate estimate of the statistical errors of the experimental data (assuming that the results fit a Gaussian distribution in accordance with the resulting rms deviations) and smoothness of the theoretical curve. A FORTRAN 77 program for the interpolation of experimental data has been written to implement the proposed algorithm. The computing time and roundoff error are determined as functions of the number of experimental points.
- Published
- 1999
25. Study of Δ(1232) isobar electroproduction at the VEPP-2M e + e − collider
- Author
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M. N. Achasov, A. V. Bozhenok, A. D. Bukin, D. A. Bukin, S. V. Burdin, T. V. Dimova, S. I. Dolinsky, V. P. Druzhinin, M. S. Dubrovin, I. A. Gaponenko, V. B. Golubev, V. N. Ivanchenko, A. A. Korol, S. V. Koshuba, A. P. Lysenko, E. V. Pakhtusova, V. V. Shary, Yu. M. Shatunov, V. A. Sidorov, Z. K. Silagadze, S. I. Serednyakov, A. A. Valishev, and Yu. V. Usov
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Physics ,Particle physics ,Luminosity (scattering theory) ,Physics and Astronomy (miscellaneous) ,Physics::Instrumentation and Detectors ,Nuclear Theory ,Detector ,Electron ,law.invention ,Positron ,law ,Isobar ,Physics::Accelerator Physics ,High Energy Physics::Experiment ,Nuclear Experiment ,Collider ,Counting rate ,Beam (structure) - Abstract
Results from the Spherical Nonmagnetic Detector (SND) on $\Delta (1232)$ isobar electroproduction in the collisions of beam electrons (positrons) and residual gas nuclei in the VEPP-2M $e^+e^-$ collider are presented. On the basis of the obtained data the expected counting rate of this process in future high luminosity $e^+e^-$ colliders (~$\phi$-, $c$-$\tau$- and $b$-factories) was estimated.
- Published
- 1998
26. Energy calibration of the NaI(T1) calorimeter of the SND detector using cosmic muons
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S. V. Koshuba, D.A. Bukin, A. D. Bukin, V. B. Golubev, V. P. Druzhinin, S. I. Serednyakov, Vladimir Ivanchenko, and M. N. Achasov
- Subjects
Physics ,Nuclear and High Energy Physics ,Range (particle radiation) ,Photon ,Calorimeter (particle physics) ,Physics::Instrumentation and Detectors ,Detector ,Resolution (electron density) ,law.invention ,Nuclear physics ,law ,Calibration ,Physics::Accelerator Physics ,High Energy Physics::Experiment ,Collider ,Instrumentation ,Energy (signal processing) - Abstract
The general purpose spherical nonmagnetic detector (SND) is now taking data at VEPP-2M $e^+e^-$ collider in BINP (Novosibirsk) in the centre of mass energy range of $0.2 ÷1.4$ GeV. The energy calibration of the NaI(Tl) calorimeter of the SND detector with cosmic muons is described. Using this method, the energy resolution of $5.5 % (\sigma)$ for 500 MeV photons was achieved.
- Published
- 1997
27. Measurement ofCP-violating asymmetries inB0→(ρπ)0decays using a time-dependent Dalitz plot analysis
- Author
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B. Aubert, M. Bona, D. Boutigny, Y. Karyotakis, J. P. Lees, V. Poireau, X. Prudent, V. Tisserand, A. Zghiche, J. Garra Tico, E. Grauges, L. Lopez, A. Palano, G. Eigen, I. Ofte, B. Stugu, L. Sun, G. S. Abrams, M. Battaglia, D. N. Brown, J. Button-Shafer, R. N. Cahn, Y. Groysman, R. G. Jacobsen, J. A. Kadyk, L. T. Kerth, Yu. G. Kolomensky, G. Kukartsev, D. Lopes Pegna, G. Lynch, L. M. Mir, T. J. Orimoto, M. Pripstein, N. A. Roe, M. T. Ronan, K. Tackmann, W. A. Wenzel, P. del Amo Sanchez, C. M. Hawkes, A. T. Watson, T. Held, H. Koch, B. Lewandowski, M. Pelizaeus, T. Schroeder, M. Steinke, J. T. Boyd, J. P. Burke, W. N. Cottingham, D. Walker, D. J. Asgeirsson, T. Cuhadar-Donszelmann, B. G. Fulsom, C. Hearty, N. S. Knecht, T. S. Mattison, J. A. McKenna, A. Khan, M. Saleem, L. Teodorescu, V. E. Blinov, A. D. Bukin, V. P. Druzhinin, V. B. Golubev, A. P. Onuchin, S. I. Serednyakov, Yu. I. Skovpen, E. P. Solodov, K. Yu. Todyshev, M. Bondioli, M. Bruinsma, S. Curry, I. Eschrich, D. Kirkby, A. J. Lankford, P. Lund, M. Mandelkern, E. C. Martin, D. P. Stoker, S. Abachi, C. Buchanan, S. D. Foulkes, J. W. Gary, F. Liu, O. Long, B. C. Shen, L. Zhang, H. P. Paar, S. Rahatlou, V. Sharma, J. W. Berryhill, C. Campagnari, A. Cunha, B. Dahmes, T. M. Hong, D. Kovalskyi, J. D. Richman, T. W. Beck, A. M. Eisner, C. J. Flacco, C. A. Heusch, J. Kroseberg, W. S. Lockman, T. Schalk, B. A. Schumm, A. Seiden, D. C. Williams, M. G. Wilson, L. O. Winstrom, E. Chen, C. H. Cheng, A. Dvoretskii, F. Fang, D. G. Hitlin, I. Narsky, T. Piatenko, F. C. Porter, G. Mancinelli, B. T. Meadows, K. Mishra, M. D. Sokoloff, F. Blanc, P. C. Bloom, S. Chen, W. T. Ford, J. F. Hirschauer, A. Kreisel, M. Nagel, U. Nauenberg, A. Olivas, J. G. Smith, K. A. Ulmer, S. R. Wagner, J. Zhang, A. Chen, E. A. Eckhart, A. Soffer, W. H. Toki, R. J. Wilson, F. Winklmeier, Q. Zeng, D. D. Altenburg, E. Feltresi, A. Hauke, H. Jasper, J. Merkel, A. Petzold, B. Spaan, K. Wacker, T. Brandt, V. Klose, H. M. Lacker, W. F. Mader, R. Nogowski, J. Schubert, K. R. Schubert, R. Schwierz, J. E. Sundermann, A. Volk, D. Bernard, G. R. Bonneaud, E. Latour, Ch. Thiebaux, M. Verderi, P. J. Clark, W. Gradl, F. Muheim, S. Playfer, A. I. Robertson, Y. Xie, M. Andreotti, D. Bettoni, C. Bozzi, R. Calabrese, A. Cecchi, G. Cibinetto, P. Franchini, E. Luppi, M. Negrini, A. Petrella, L. Piemontese, E. Prencipe, V. Santoro, F. Anulli, R. Baldini-Ferroli, A. Calcaterra, R. de Sangro, G. Finocchiaro, S. Pacetti, P. Patteri, I. M. Peruzzi, M. Piccolo, M. Rama, A. Zallo, A. Buzzo, R. Contri, M. Lo Vetere, M. M. Macri, M. R. Monge, S. Passaggio, C. Patrignani, E. Robutti, A. Santroni, S. Tosi, K. S. Chaisanguanthum, M. Morii, J. Wu, R. S. Dubitzky, J. Marks, S. Schenk, U. Uwer, D. J. Bard, P. D. Dauncey, R. L. Flack, J. A. Nash, M. B. Nikolich, W. Panduro Vazquez, P. K. Behera, X. Chai, M. J. Charles, U. Mallik, N. T. Meyer, V. Ziegler, J. Cochran, H. B. Crawley, L. Dong, V. Eyges, W. T. Meyer, S. Prell, E. I. Rosenberg, A. E. Rubin, A. V. Gritsan, C. K. Lae, A. G. Denig, M. Fritsch, G. Schott, N. Arnaud, J. Béquilleux, M. Davier, G. Grosdidier, A. Höcker, V. Lepeltier, F. Le Diberder, A. M. Lutz, S. Pruvot, S. Rodier, P. Roudeau, M. H. Schune, J. Serrano, V. Sordini, A. Stocchi, W. F. Wang, G. Wormser, D. J. Lange, D. M. Wright, C. A. Chavez, I. J. Forster, J. R. Fry, E. Gabathuler, R. Gamet, D. E. Hutchcroft, D. J. Payne, K. C. Schofield, C. Touramanis, A. J. Bevan, K. A. George, F. Di Lodovico, W. Menges, R. Sacco, G. Cowan, H. U. Flaecher, D. A. Hopkins, P. S. Jackson, T. R. McMahon, F. Salvatore, A. C. Wren, C. L. Davis, J. Allison, N. R. Barlow, R. J. Barlow, Y. M. Chia, C. L. Edgar, G. D. Lafferty, T. J. West, J. I. Yi, J. Anderson, C. Chen, A. Jawahery, D. A. Roberts, G. Simi, J. M. Tuggle, G. Blaylock, C. Dallapiccola, S. S. Hertzbach, X. Li, T. B. Moore, E. Salvati, S. Saremi, R. Cowan, P. H. Fisher, G. Sciolla, S. J. Sekula, M. Spitznagel, F. Taylor, R. K. Yamamoto, H. Kim, S. E. Mclachlin, P. M. Patel, S. H. Robertson, A. Lazzaro, V. Lombardo, F. Palombo, J. M. Bauer, L. Cremaldi, V. Eschenburg, R. Godang, R. Kroeger, D. A. Sanders, D. J. Summers, H. W. Zhao, S. Brunet, D. Côté, M. Simard, P. Taras, F. B. Viaud, H. Nicholson, G. De Nardo, F. Fabozzi, L. Lista, D. Monorchio, C. Sciacca, M. A. Baak, G. Raven, H. L. Snoek, C. P. Jessop, J. M. LoSecco, G. Benelli, L. A. Corwin, K. K. Gan, K. Honscheid, D. Hufnagel, H. Kagan, R. Kass, J. P. Morris, A. M. Rahimi, J. J. Regensburger, R. Ter-Antonyan, Q. K. Wong, N. L. Blount, J. Brau, R. Frey, O. Igonkina, J. A. Kolb, M. Lu, R. Rahmat, N. B. Sinev, D. Strom, J. Strube, E. Torrence, N. Gagliardi, A. Gaz, M. Margoni, M. Morandin, A. Pompili, M. Posocco, M. Rotondo, F. Simonetto, R. Stroili, C. Voci, E. Ben-Haim, H. Briand, J. Chauveau, P. David, L. Del Buono, Ch. de la Vaissière, O. Hamon, B. L. Hartfiel, Ph. Leruste, J. Malclès, J. Ocariz, A. Perez, L. Gladney, M. Biasini, R. Covarelli, E. Manoni, C. Angelini, G. Batignani, S. Bettarini, G. Calderini, M. Carpinelli, R. Cenci, F. Forti, M. A. Giorgi, A. Lusiani, G. Marchiori, M. A. Mazur, M. Morganti, N. Neri, E. Paoloni, G. Rizzo, J. J. Walsh, M. Haire, J. Biesiada, P. Elmer, Y. P. Lau, C. Lu, J. Olsen, A. J. S. Smith, A. V. Telnov, E. Baracchini, F. Bellini, G. Cavoto, A. D’Orazio, D. del Re, E. Di Marco, R. Faccini, F. Ferrarotto, F. Ferroni, M. Gaspero, P. D. Jackson, L. Li Gioi, M. A. Mazzoni, S. Morganti, G. Piredda, F. Polci, F. Renga, C. Voena, M. Ebert, H. Schröder, R. Waldi, T. Adye, G. Castelli, B. Franek, E. O. Olaiya, S. Ricciardi, W. Roethel, F. F. Wilson, R. Aleksan, S. Emery, M. Escalier, A. Gaidot, S. F. Ganzhur, G. Hamel de Monchenault, W. Kozanecki, M. Legendre, G. Vasseur, Ch. Yèche, M. Zito, X. R. Chen, H. Liu, W. Park, M. V. Purohit, J. R. Wilson, M. T. Allen, D. Aston, R. Bartoldus, P. Bechtle, N. Berger, R. Claus, J. P. Coleman, M. R. Convery, J. C. Dingfelder, J. Dorfan, G. P. Dubois-Felsmann, D. Dujmic, W. Dunwoodie, R. C. Field, T. Glanzman, S. J. Gowdy, M. T. Graham, P. Grenier, V. Halyo, C. Hast, T. Hryn’ova, W. R. Innes, M. H. Kelsey, P. Kim, D. W. G. S. Leith, S. Li, S. Luitz, V. Luth, H. L. Lynch, D. B. MacFarlane, H. Marsiske, R. Messner, D. R. Muller, C. P. O’Grady, V. E. Ozcan, A. Perazzo, M. Perl, T. Pulliam, B. N. Ratcliff, A. Roodman, A. A. Salnikov, R. H. Schindler, J. Schwiening, A. Snyder, J. Stelzer, D. Su, M. K. Sullivan, K. Suzuki, S. K. Swain, J. M. Thompson, J. Va’vra, N. van Bakel, A. P. Wagner, M. Weaver, W. J. Wisniewski, M. Wittgen, D. H. Wright, A. K. Yarritu, K. Yi, C. C. Young, P. R. Burchat, A. J. Edwards, S. A. Majewski, B. A. Petersen, L. Wilden, S. Ahmed, M. S. Alam, R. Bula, J. A. Ernst, V. Jain, B. Pan, M. A. Saeed, F. R. Wappler, S. B. Zain, W. Bugg, M. Krishnamurthy, S. M. Spanier, R. Eckmann, J. L. Ritchie, A. M. Ruland, C. J. Schilling, R. F. Schwitters, J. M. Izen, X. C. Lou, S. Ye, F. Bianchi, F. Gallo, D. Gamba, M. Pelliccioni, M. Bomben, L. Bosisio, C. Cartaro, F. Cossutti, G. Della Ricca, L. Lanceri, L. Vitale, V. Azzolini, N. Lopez-March, F. Martinez-Vidal, D. A. Milanes, A. Oyanguren, J. Albert, Sw. Banerjee, B. Bhuyan, K. Hamano, R. Kowalewski, I. M. Nugent, J. M. Roney, R. J. Sobie, J. J. Back, P. F. Harrison, T. E. Latham, G. B. Mohanty, M. Pappagallo, H. R. Band, X. Chen, S. Dasu, K. T. Flood, J. J. Hollar, P. E. Kutter, Y. Pan, M. Pierini, R. Prepost, S. L. Wu, Z. Yu, and H. Neal
- Subjects
Nuclear and High Energy Physics ,Particle physics ,Meson ,Collider physics ,media_common.quotation_subject ,Electron–positron annihilation ,General Physics and Astronomy ,Dalitz plot ,Measure (mathematics) ,01 natural sciences ,Resonance (particle physics) ,Asymmetry ,law.invention ,Nuclear physics ,Particle decay ,law ,TheoryofComputation_ANALYSISOFALGORITHMSANDPROBLEMCOMPLEXITY ,0103 physical sciences ,B meson ,010306 general physics ,Collider ,media_common ,Physics ,Unitarity ,010308 nuclear & particles physics ,Detector ,B-factory ,Crystallography ,Decay time ,Pair production ,CP violation ,High Energy Physics::Experiment ,Production (computer science) ,Collider Detector at Fermilab ,Bar (unit) - Abstract
We report on a measurement of CP-violating asymmetries (A{sub CP}) in the Cabibbo-suppressed D{sup 0} {yields} {pi}{sup +}{pi}{sup -} and D{sup 0} {yields} K{sup +}K{sup -} decays reconstructed in a data sample corresponding to 5.9 fb{sup -1} of integrated luminosity collected by the upgraded Collider Detector at Fermilab. We use the strong decay D*{sup +} {yields} D{sup 0}{pi}{sup +} to identify the flavor of the charmed meson at production and exploit CP-conserving strong c{bar c} pair-production in p{bar p} collisions. High-statistics samples of Cabibbo-favored D{sup 0} {yields} K{sup -}{pi}{sup +} decays with and without a D*{sup {+-}} tag are used to correct for instrumental effects and significantly reduce systematic uncertainties. We measure A{sub CP}(D{sup 0} {yields} {pi}{sup +}{pi}{sup -}) = (+0.22 {+-} 0.24(stat) {+-} 0.11 (syst))% and A{sub CP}(D{sup 0} {yields} K{sup +}K{sup -}) = (-0.24 {+-} 0.22 (stat) {+-} 0.09 (syst))%, in agreement with CP conservation. These are the most precise determinations from a single experiment to date. Under the assumption of negligible direct CP violation in D{sup 0} {yields} {pi}{sup +}{pi}{sup -} and D{sup 0} {yields} K{sup +}K{sup -} decays, the results provide an upper limit to the CP-violating asymmetry in D{sup 0} mixing, |A{sub CP}{sup ind}(D{sup 0})| < 0.13% at the 90% confidence level.
- Published
- 2013
28. Study ofe+e−→pp¯via initial-state radiation atBABAR
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B. Aubert, R. Barate, D. Boutigny, F. Couderc, Y. Karyotakis, J. P. Lees, V. Poireau, V. Tisserand, A. Zghiche, E. Grauges, A. Palano, M. Pappagallo, A. Pompili, J. C. Chen, N. D. Qi, G. Rong, P. Wang, Y. S. Zhu, G. Eigen, I. Ofte, B. Stugu, G. S. Abrams, M. Battaglia, D. S. Best, D. N. Brown, J. Button-Shafer, R. N. Cahn, E. Charles, C. T. Day, M. S. Gill, A. V. Gritsan, Y. Groysman, R. G. Jacobsen, R. W. Kadel, J. A. Kadyk, L. T. Kerth, Yu. G. Kolomensky, G. Kukartsev, G. Lynch, L. M. Mir, P. J. Oddone, T. J. Orimoto, M. Pripstein, N. A. Roe, M. T. Ronan, W. A. Wenzel, M. Barrett, K. E. Ford, T. J. Harrison, A. J. Hart, C. M. Hawkes, S. E. Morgan, A. T. Watson, M. Fritsch, K. Goetzen, T. Held, H. Koch, B. Lewandowski, M. Pelizaeus, K. Peters, T. Schroeder, M. Steinke, J. T. Boyd, J. P. Burke, W. N. Cottingham, D. Walker, T. Cuhadar-Donszelmann, B. G. Fulsom, C. Hearty, N. S. Knecht, T. S. Mattison, J. A. McKenna, A. Khan, P. Kyberd, M. Saleem, L. Teodorescu, A. E. Blinov, V. E. Blinov, A. D. Bukin, V. P. Druzhinin, V. B. Golubev, E. A. Kravchenko, A. P. Onuchin, S. I. Serednyakov, Yu. I. Skovpen, E. P. Solodov, A. N. Yushkov, M. Bondioli, M. Bruinsma, M. Chao, S. Curry, I. Eschrich, D. Kirkby, A. J. Lankford, P. Lund, M. Mandelkern, R. K. Mommsen, W. Roethel, D. P. Stoker, S. Abachi, C. Buchanan, S. D. Foulkes, J. W. Gary, O. Long, B. C. Shen, K. Wang, L. Zhang, D. del Re, H. K. Hadavand, E. J. Hill, D. B. MacFarlane, H. P. Paar, S. Rahatlou, V. Sharma, J. W. Berryhill, C. Campagnari, A. Cunha, B. Dahmes, T. M. Hong, M. A. Mazur, J. D. Richman, T. W. Beck, A. M. Eisner, C. J. Flacco, C. A. Heusch, J. Kroseberg, W. S. Lockman, G. Nesom, T. Schalk, B. A. Schumm, A. Seiden, P. Spradlin, D. C. Williams, M. G. Wilson, J. Albert, E. Chen, G. P. Dubois-Felsmann, A. Dvoretskii, D. G. Hitlin, J. S. Minamora, I. Narsky, T. Piatenko, F. C. Porter, A. Ryd, A. Samuel, R. Andreassen, G. Mancinelli, B. T. Meadows, M. D. Sokoloff, F. Blanc, P. C. Bloom, S. Chen, W. T. Ford, J. F. Hirschauer, A. Kreisel, U. Nauenberg, A. Olivas, W. O. Ruddick, J. G. Smith, K. A. Ulmer, S. R. Wagner, J. Zhang, A. Chen, E. A. Eckhart, A. Soffer, W. H. Toki, R. J. Wilson, F. Winklmeier, Q. Zeng, D. D. Altenburg, E. Feltresi, A. Hauke, B. Spaan, T. Brandt, M. Dickopp, V. Klose, H. M. Lacker, R. Nogowski, S. Otto, A. Petzold, J. Schubert, K. R. Schubert, R. Schwierz, J. E. Sundermann, D. Bernard, G. R. Bonneaud, P. Grenier, E. Latour, S. Schrenk, Ch. Thiebaux, G. Vasileiadis, M. Verderi, D. J. Bard, P. J. Clark, W. Gradl, F. Muheim, S. Playfer, Y. Xie, M. Andreotti, D. Bettoni, C. Bozzi, R. Calabrese, G. Cibinetto, E. Luppi, M. Negrini, L. Piemontese, F. Anulli, R. Baldini-Ferroli, A. Calcaterra, R. de Sangro, G. Finocchiaro, P. Patteri, I. M. Peruzzi, M. Piccolo, A. Zallo, A. Buzzo, R. Capra, R. Contri, M. Lo Vetere, M. M. Macri, M. R. Monge, S. Passaggio, C. Patrignani, E. Robutti, A. Santroni, S. Tosi, G. Brandenburg, K. S. Chaisanguanthum, M. Morii, J. Wu, R. S. Dubitzky, J. Marks, S. Schenk, U. Uwer, W. Bhimji, D. A. Bowerman, P. D. Dauncey, U. Egede, R. L. Flack, J. R. Gaillard, J. A. Nash, M. B. Nikolich, W. Panduro Vazquez, X. Chai, M. J. Charles, W. F. Mader, U. Mallik, V. Ziegler, J. Cochran, H. B. Crawley, L. Dong, V. Eyges, W. T. Meyer, S. Prell, E. I. Rosenberg, A. E. Rubin, J. I. Yi, G. Schott, N. Arnaud, M. Davier, X. Giroux, G. Grosdidier, A. Höcker, F. Le Diberder, V. Lepeltier, A. M. Lutz, A. Oyanguren, T. C. Petersen, S. Pruvot, S. Rodier, P. Roudeau, M. H. Schune, A. Stocchi, W. F. Wang, G. Wormser, C. H. Cheng, D. J. Lange, D. M. Wright, A. J. Bevan, C. A. Chavez, I. J. Forster, J. R. Fry, E. Gabathuler, R. Gamet, K. A. George, D. E. Hutchcroft, R. J. Parry, D. J. Payne, K. C. Schofield, C. Touramanis, F. Di Lodovico, W. Menges, R. Sacco, C. L. Brown, G. Cowan, H. U. Flaecher, M. G. Green, D. A. Hopkins, P. S. Jackson, T. R. McMahon, S. Ricciardi, F. Salvatore, C. L. Davis, J. Allison, N. R. Barlow, R. J. Barlow, Y. M. Chia, C. L. Edgar, M. P. Kelly, G. D. Lafferty, M. T. Naisbit, J. C. Williams, C. Chen, W. D. Hulsbergen, A. Jawahery, D. Kovalskyi, C. K. Lae, D. A. Roberts, G. Simi, G. Blaylock, C. Dallapiccola, S. S. Hertzbach, R. Kofler, X. Li, T. B. Moore, S. Saremi, H. Staengle, S. Y. Willocq, R. Cowan, K. Koeneke, G. Sciolla, S. J. Sekula, M. Spitznagel, F. Taylor, R. K. Yamamoto, H. Kim, P. M. Patel, S. H. Robertson, A. Lazzaro, V. Lombardo, F. F. Palombo, J. M. Bauer, L. Cremaldi, V. Eschenburg, R. Godang, R. Kroeger, J. Reidy, D. A. Sanders, D. J. Summers, H. W. Zhao, S. Brunet, D. Côté, P. Taras, F. B. Viaud, H. Nicholson, N. Cavallo, G. De Nardo, F. Fabozzi, C. Gatto, L. Lista, D. Monorchio, P. Paolucci, D. Piccolo, C. Sciacca, M. Baak, H. Bulten, G. Raven, H. L. Snoek, L. Wilden, C. P. Jessop, J. M. LoSecco, T. Allmendinger, G. Benelli, K. K. Gan, K. Honscheid, D. Hufnagel, P. D. Jackson, H. Kagan, R. Kass, T. Pulliam, A. M. Rahimi, R. Ter-Antonyan, Q. K. Wong, N. L. Blount, J. Brau, R. Frey, O. Igonkina, M. Lu, C. T. Potter, R. Rahmat, N. B. Sinev, D. Strom, J. Strube, E. Torrence, F. Galeazzi, M. Margoni, M. Morandin, M. Posocco, M. Rotondo, F. Simonetto, R. Stroili, C. Voci, M. Benayoun, J. Chauveau, P. David, L. Del Buono, Ch. de la Vaissière, O. Hamon, B. L. Hartfiel, M. J. J. John, Ph. Leruste, J. Malclès, J. Ocariz, L. Roos, G. Therin, P. K. Behera, L. Gladney, J. Panetta, M. Biasini, R. Covarelli, S. Pacetti, M. Pioppi, C. Angelini, G. Batignani, S. Bettarini, F. Bucci, G. Calderini, M. Carpinelli, R. Cenci, F. Forti, M. A. Giorgi, A. Lusiani, G. Marchiori, M. Morganti, N. Neri, E. Paoloni, M. Rama, G. Rizzo, J. Walsh, M. Haire, D. Judd, D. E. Wagoner, J. Biesiada, N. Danielson, P. Elmer, Y. P. Lau, C. Lu, J. Olsen, A. J. S. Smith, A. V. Telnov, F. Bellini, G. Cavoto, A. D’Orazio, E. Di Marco, R. Faccini, F. Ferrarotto, F. Ferroni, M. Gaspero, L. Li Gioi, M. A. Mazzoni, S. Morganti, G. Piredda, F. Polci, F. Safai Tehrani, C. Voena, H. Schröder, R. Waldi, T. Adye, N. De Groot, B. Franek, G. P. Gopal, E. O. Olaiya, F. F. Wilson, R. Aleksan, S. Emery, A. Gaidot, S. F. Ganzhur, G. Graziani, G. Hamel de Monchenault, W. Kozanecki, M. Legendre, B. Mayer, G. Vasseur, Ch. Yèche, M. Zito, M. V. Purohit, A. W. Weidemann, J. R. Wilson, T. Abe, M. T. Allen, D. Aston, R. Bartoldus, N. Berger, A. M. Boyarski, O. L. Buchmueller, R. Claus, J. P. Coleman, M. R. Convery, M. Cristinziani, J. C. Dingfelder, D. Dong, J. Dorfan, D. Dujmic, W. Dunwoodie, S. Fan, R. C. Field, T. Glanzman, S. J. Gowdy, T. Hadig, V. Halyo, C. Hast, T. Hryn’ova, W. R. Innes, M. H. Kelsey, P. Kim, M. L. Kocian, D. W. G. S. Leith, J. Libby, S. Luitz, V. Luth, H. L. Lynch, H. Marsiske, R. Messner, D. R. Muller, C. P. O’Grady, V. E. Ozcan, A. Perazzo, M. Perl, B. N. Ratcliff, A. Roodman, A. A. Salnikov, R. H. Schindler, J. Schwiening, A. Snyder, J. Stelzer, D. Su, M. K. Sullivan, K. Suzuki, S. K. Swain, J. M. Thompson, J. Va’vra, N. van Bakel, M. Weaver, A. J. R. Weinstein, W. J. Wisniewski, M. Wittgen, D. H. Wright, A. K. Yarritu, K. Yi, C. C. Young, P. R. Burchat, A. J. Edwards, S. A. Majewski, B. A. Petersen, C. Roat, S. Ahmed, M. S. Alam, R. Bula, J. A. Ernst, B. Pan, M. A. Saeed, F. R. Wappler, S. B. Zain, W. Bugg, M. Krishnamurthy, S. M. Spanier, R. Eckmann, J. L. Ritchie, A. Satpathy, R. F. Schwitters, J. M. Izen, I. Kitayama, X. C. Lou, S. Ye, F. Bianchi, M. Bona, F. Gallo, D. Gamba, M. Bomben, L. Bosisio, C. Cartaro, F. Cossutti, G. Della Ricca, S. Dittongo, S. Grancagnolo, L. Lanceri, L. Vitale, V. Azzolini, F. Martinez-Vidal, R. S. Panvini, Sw. Banerjee, B. Bhuyan, C. M. Brown, D. Fortin, K. Hamano, R. Kowalewski, I. M. Nugent, J. M. Roney, R. J. Sobie, J. J. Back, P. F. Harrison, T. E. Latham, G. B. Mohanty, H. R. Band, X. Chen, B. Cheng, S. Dasu, M. Datta, A. M. Eichenbaum, K. T. Flood, M. T. Graham, J. J. Hollar, J. R. Johnson, P. E. Kutter, H. Li, R. Liu, B. Mellado, A. Mihalyi, A. K. Mohapatra, Y. Pan, M. Pierini, R. Prepost, P. Tan, S. L. Wu, Z. Yu, and H. Neal
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Physics ,Nuclear and High Energy Physics ,Particle physics ,Annihilation ,Branching fraction ,010308 nuclear & particles physics ,Electron–positron annihilation ,media_common.quotation_subject ,Analytical chemistry ,Radiation ,01 natural sciences ,7. Clean energy ,Asymmetry ,Particle identification ,Nuclear physics ,Angular distribution ,0103 physical sciences ,High Energy Physics::Experiment ,Invariant mass ,Total energy ,Nuclear Experiment ,010306 general physics ,Bhabha scattering ,media_common - Abstract
The e{sup +}e{sup -}{yields}pp cross section is determined over a range of pp masses, from threshold to 4.5 GeV/c{sup 2}, by studying the e{sup +}e{sup -}{yields}pp{gamma} process. The data set corresponds to an integrated luminosity of 232 fb{sup -1}, collected with the BABAR detector at the PEP-II storage ring, at an e{sup +}e{sup -} center-of-mass energy of 10.6 GeV. The mass dependence of the ratio of electric and magnetic form factors, G{sub E}/G{sub M}, is measured for pp masses below 3 GeV/c{sup 2}; its value is found to be significantly larger than 1 for masses up to 2.2 GeV/c{sup 2}. We also measure J/{psi}{yields}pp and {psi}(2S){yields}pp branching fractions and set an upper limit on Y(4260){yields}pp production and decay.
- Published
- 2013
29. Experiments with the MD-1 detector at the e+e− collider VEPP-4 in the energy region of ϒ mesons
- Author
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A. D. Bukin, Yu. A. Tikhonov, Vladimir A. Sidorov, A. E. Undrus, V. R. Groshev, S.G. Klimenko, V.N. Zhilich, G. M. Kolachev, Yu. I. Skovpen, A.E. Bondar, S.E. Baru, Valery I. Telnov, I. Ya. Protopopov, A.G. Shamov, Yu.I. Eidelman, V. V. Petrov, V. A. Tayursky, A.N. Skrinsky, S. I. Mishnev, A. P. Onuchin, A. E. Blinov, G.M. Tumaikin, V. E. Blinov, V. A. Kiselev, V.S. Panin, and A. I. Vorobiov
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Physics ,Particle physics ,Meson ,Hadron ,Detector ,Bremsstrahlung ,General Physics and Astronomy ,Electron ,Magnetic field ,Nuclear physics ,Transverse plane ,High Energy Physics::Experiment ,Impact parameter ,Nuclear Experiment - Abstract
This paper reviews physical results obtained at the e+e− collider VEPP-4 with the MD-1 detector. The results of experiments on the ϒ meson physics and study of the hadron production in continuum in the energy region 7.2–10.3 GeV as well as the results of study of the two photon reactions are presented. Among results obtained in the upsilon physics: the precise measurement of the ϒ(1S), ϒ(2S), ϒ(3S) masses and the precise determination of the ϒ(1S) and ϒ(2S) electronic widths. In the experiments on study of the hadron production in continuum the precise measurement of the R was carried out. The peculiarity of the detector is the magnetic field transverse to the orbit plane which provided the possibility to study two photon reactions with tagging one or both scattered electrons even at zero emission angle. Among results on the γγ reactions is the measurement of the two photon total hadronic cross section performed in the double-tag mode. In the QED experiments a new QED effect — the impact parameter cut-off in single bremsstrahlung was discovered.
- Published
- 1996
30. Recent results of the study of hadronic production with the CMD-2 and SND detectors at the VEPP-2M collider
- Author
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S. I. Serednyakov, N.M. Ryskulov, A. I. Milstein, A.V. Vasiljev, K. Y. Mikhailov, D.N. Grigoriev, A.S. Zaitsev, V.A. Sidorov, D.V. Bondarev, Z. K. Silagadze, Fedor Ignatov, S.E. Baru, E.V. Pakhtusova, I.B. Logashenko, A.E. Bondar, A.L. Sibidanov, Yu.V. Yudin, S.V. Karpov, Alexander Valishev, P. Krokovny, A.N. Skrinsky, A.V. Berdugin, A. Baratt, A.S. Kuzmin, Yuri Shatunov, A.S. Popov, Konstantin Beloborodov, P.A. Lukin, D.A. Bukin, A.V. Otboev, I. A. Koop, D. Epifanov, V.M. Aulchenko, A.A. Ruban, B.A. Shwartz, A. A. Korol, Alexander Bogdanchikov, N.I. Root, T.V. Dimova, S.I. Redin, E.A. Perevedentsev, V.S. Okhapkin, S.V. Koshuba, B.I. Khazin, V. W. Hughes, S.G. Zverev, M. N. Achasov, J. A. Thompson, R.R. Akhmetshin, V. P. Druzhinin, L.M. Barkov, N. Gabyshev, A.A. Polunin, E. P. Solodov, A. P. Lysenko, D.A. Gorbachev, N.S. Bashtovoy, A.A. Grebeniuk, Yu. V. Usov, A.G. Shamov, Vassili Kazanin, A. V. Bozhenok, Igor Nesterenko, G.V. Fedotovitch, I.G. Snopkov, S.I. Eidelman, A. D. Bukin, A.V. Bragin, and V.Sh. Banzarov
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Physics ,Luminosity (scattering theory) ,Annihilation ,Physics and Astronomy (miscellaneous) ,Meson ,Physics::Instrumentation and Detectors ,Hadron ,Elementary particle ,law.invention ,Nuclear physics ,Particle decay ,law ,High Energy Physics::Experiment ,Vector meson ,Collider ,Engineering (miscellaneous) - Abstract
The Cryogenic Magnetic Detector (CMD-2) and Spherical Neutral Detector (SND) operated at the VEPP-2M electron-positron collider in the c.m. energy range 360-1380 MeV. The total integrated luminosity above 60 pb–1 has been collected by both detectors. The cross sections of hadronic production have been measured with high precision. New results for the light vector meson parameters and rare decay mode were obtained. PACS: 13.66.Bc Hadron production in e – e + interactions – 13.66.Jn Precision measurements in e – e + interactions
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- 2004
31. Bose-Einstein correlations in e+e− annihilation in the γ(1S) and continuum
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A. G. Shamov, Yu. A. Tikhonov, A. P. Onuchin, A. E. Undrus, V.R. Groshev, A. Bondar, V. A. Sidorov, G.M. Tumaikin, A. E. Blinov, A. N. Skrinsky, S.G. Klimenko, V. N. Zhilich, A. D. Bukin, Vladimir Blinov, A.I. Vorobiov, Valery I. Telnov, I. Ya. Protopopov, V. S. Panin, V.A. Tayursky, and Yu I. Skovpen
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Quark ,Physics ,Particle physics ,Annihilation ,Physics and Astronomy (miscellaneous) ,Detector ,Astrophysics::Cosmology and Extragalactic Astrophysics ,Bose–Einstein correlations ,Gluon ,Nuclear physics ,Pion ,Fragmentation (mass spectrometry) ,High Energy Physics::Experiment ,Astrophysics::Earth and Planetary Astrophysics ,Storage ring - Abstract
Bose-Einstein correlations in direct γ(1S) decays and continuum in the energy region √s=7.2−10.3 GeV have been studied using data taken with the MD-1 detector at VEPP-4 storage ring. Assuming gaussian density of the pion source the data indicate the radius of the sourceπ=0.73±0.10±0.04 fm for direct γ (1S) decays andπ=0.83±0.22±0.05 fm for the continuum. The correlation strengthsλ for both data samples also are similar. Thus Bose-Einstein correlations do not reveal a noticeable difference between quark and gluon fragmentation.
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- 1995
32. Measurement of inclusive ? production in electron-positron interactions at the upsilon energies
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Yu I. Skovpen, A. E. Undrus, A. E. Bondar, V. A. Sidorov, V.A. Tayursky, A. E. Blinov, G.M. Tumaikin, V. S. Panin, A. N. Skrinsky, V. N. Zhilich, A. P. Onuchin, A. D. Bukin, Vladimir Blinov, I. Ya. Protopopov, V.R. Groshev, A. G. Shamov, S.G. Klimenko, Yu. A. Tikhonov, Valery I. Telnov, and A.I. Vorobiov
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Baryon ,Nuclear physics ,Physics ,Particle physics ,Particle decay ,Positron ,Physics and Astronomy (miscellaneous) ,Electron–positron annihilation ,Mass spectrum ,Production (computer science) ,Electron ,Lambda ,Engineering (miscellaneous) - Abstract
Using the MD-1 detector at the VEPP-4e+e− strorage ring we have measured the inclusive Λ and370-1 production rates in direct Γ(1S) decays $$\begin{gathered} \left\langle {n_\Lambda (\Upsilon (1S)_{dir} )} \right\rangle = 0.194 \pm 0.018 \pm 0.017, \hfill \\ \left\langle {n_\Xi - (\Upsilon (1S)_{dir} )} \right\rangle = 0.038 \pm 0.015 \pm 0.009. \hfill \\ \end{gathered} $$ The Λ momentum spectrum in direct Γ(1S) decays was obtained.
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- 1994
33. Measurement of the ϕ → π0 e + e − decay probability
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Z. K. Silagadze, A. V. Vasil’ev, D. A. Bukin, E. V. Pakhtusova, S. I. Serednyakov, Konstantin Beloborodov, S. V. Koshuba, A. A. Mamutkin, Alexander Bogdanchikov, V. P. Druzhinin, A. V. Berdyugin, Aleksandr Korol, V. A. Sidorov, V. V. Sharyi, A. A. Valishev, S. V. Burdin, A. G. Skripkin, Yu. M. Shatunov, M. N. Achasov, Tatyana Dimova, Vladimir Ivanchenko, A. A. Salnikov, A. V. Bozhenok, P.M. Ivanov, A. V. Otboev, V. B. Golubev, A. D. Bukin, and A.N. Skrinskii
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Physics ,Nuclear physics ,Particle physics ,Physics and Astronomy (miscellaneous) ,Solid-state physics ,law ,Detector ,Value (computer science) ,Collider ,law.invention - Abstract
The measurement of the ϕ → π0 e + e − conversion decay probability on the SND detector at the VEPP-2M e + e − collider gave the value Br(ϕ → π 0 e + e −) = (1.01 ± 0.28 ± 0.29) × 10−5.
- Published
- 2002
34. Search forb→utransitions inB±→[K∓π±π0]DK±decays
- Author
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P. Grenier, M. G. Wilson, Peter S. Kim, D. E. Hutchcroft, C. Dallapiccola, Ch De La Vaissière, J. J. Hollar, S. F. Ganzhur, H. R. Band, W. S. Lockman, J. M. Bauer, D. A. Roberts, Anders Ryd, S. Otto, F. E. Taylor, A. Oyanguren, Q. L. Zeng, Marcello Rotondo, H. U. Flaecher, R. J. Wilson, L. M. Cremaldi, M. R. Convery, Duncan A. Brown, V. Halyo, P. J. Oddone, A. M. Lutz, T. B. Moore, B. Spaan, R. Faccini, J. A. Kadyk, J. Olsen, M. T. Graham, H. Briand, A. D. Bukin, W. Gradl, T. Cuhadar-Donszelmann, A. Hauke, F. Ferrarotto, A. J. Lankford, F. Le Diberder, Marcella Bona, N. Cavallo, A. M. Eisner, Hui Li, Mauro Morandin, S. Bettarini, A. J. Bevan, D. G. Hitlin, P. Rankin, C. Touramanis, F. Muheim, Stéphane Plaszczynski, J. M. Roney, A. W. Borgland, Gabriella Sciolla, W. M. Bugg, J. D. Richman, O. Hamon, S. H. Robertson, V. Klose, Herbert Koch, B. Viaud, Sergio Grancagnolo, Nicolas Berger, G. W. London, A. B. Breon, S. Bailey, S. Ye, T. C. Petersen, M. Pappagallo, S. J. Gowdy, R. Ter-Antonyan, G. Grosdidier, Ch Yèche, S. M. Spanier, Kelin Wang, Luca Lista, G. Hamel de Monchenault, R. S. Panvini, G. Mancinelli, A. Satpathy, R. Messner, V. Lillard, S. Rodier, M. S. S. Gill, R. Contri, S. E. Morgan, L. Lanceri, S. S. Hertzbach, Y. Groysman, F. Forti, Nicola Neri, F. Simonetto, D. Su, B. N. Ratcliff, G. Rong, R. Liu, L. Wilden, G. Lynch, S. Pacetti, R. Cowan, S. Willocq, A. Stocchi, V. Eschenburg, W. D. Hulsbergen, M. V. Purohit, M. Dickopp, G. Della Ricca, M. Legendre, J. Albert, P. Poropat, R. Barate, J. L. Ritchie, P. C. Bloom, T. J. Orimoto, K. Goetzen, Sw. Banerjee, J. Marks, Alexis Pompili, N. D. Qi, R. Schwierz, R. H. Schindler, M. Piccolo, M. T. Allen, R. N. Cahn, A. Roodman, Dmytro Kovalskyi, Gabriele Benelli, Bruce Mellado, V. Lepeltier, Maria Roberta Monge, M. Verderi, I. Narsky, J. Schwiening, A. Mihalyi, M. Wittgen, J. P. Lees, K. A. George, J. G. Smith, P. Taras, E. P. Solodov, Shanhui Fan, K. T. Flood, M. L. Kocian, G. Batignani, M. Benayoun, T. Hadig, P. Roudeau, I. Kitayama, J. L. Harton, Yu. I. Skovpen, M. Zito, T. Schalk, Liliana Teodorescu, M. A. Mazzoni, G. Wormser, A. E. Blinov, D. Boutigny, D. B. MacFarlane, D. H. Wright, U. Mallik, Y. B. Pan, E. Paoloni, R. Kowalewski, J. P. Burke, E. Torrence, S. Saremi, W. Kozanecki, W. T. Meyer, L. Li Gioi, T. Pulliam, Janice Button-Shafer, M. Mandelkern, H. K. Hadavand, G. R. Bonneaud, J. J. Walsh, J. Va’vra, V. B. Koptchev, P. Spradlin, J. Brose, C. Gatto, A. Calcaterra, X. R. Chen, S. Brunet, M. T. Ronan, H. B. Crawley, J. Dorfan, T. Glanzman, R. L. Flack, M. B. Nikolich, F. Ferroni, J. Cochran, A. M. Boyarski, A. M. Rahimi, A. Hocker, S. Ahmed, J. W. Berryhill, H. Schröder, S. Schrenk, S. Luitz, D. C. Williams, R. C. Field, F. Salvatore, N. S. Knecht, C. Roat, S. Christ, A. Lazzaro, M. Gaspero, E. Charles, J. M. Thompson, Krisztian Peters, G. Nesom, C. H. Cheng, H. A. Neal, M. Chao, D. A. Sanders, A. Lu, G. S. Abrams, D. Monorchio, R. Andreassen, F. Di Lodovico, G. Finocchiaro, V. Luth, A. Santroni, Virginia Azzolini, R. Bartoldus, P. J. Clark, J. P. Coleman, H. L. Snoek, Yuehong Xie, Matteo Rama, Julie Malcles, Pierluigi Paolucci, J. Libby, N. De Groot, R. K. Mommsen, A. J. Hart, D. A. Bowerman, D. P. Stoker, Marco Bomben, R. Claus, K. K. Gan, Kenji Hamano, W.A. Wenzel, J. R. Fry, M. Saleem, T.R. McMahon, D. Bettoni, Y. P. Lau, V. Eyges, Zongfu Yu, J. W. Gary, M. J. Charles, V. B. Golubev, D. Piccolo, R. Kroeger, D. S. Best, M. Lu, Fabrice Couderc, M. S. Alam, A. Snyder, G. Therin, W. Dunwoodie, E. J. Hill, P. E. Kutter, P. K. Behera, Ph Leruste, G.J. Wagner, N. Arnaud, D. D. Altenburg, H. W. Zhao, E. Chen, Q. H. Guo, B. Stugu, S. Prell, N. Danielson, F. Galeazzi, G. P. Taylor, N. A. Roe, P. D. Dauncey, G. P. Dubois-Felsmann, G. J. Grenier, L. Bosisio, M. Pioppi, G. Marchiori, B. Mayer, A. K. Yarritu, Matteo Negrini, L. Zhang, Thomas Allmendinger, A. K. Mohapatra, D. J. Payne, U. Nauenberg, M. Pripstein, Douglas Wright, Amina Zghiche, Maurizio Pierini, R. Capra, L. M. Mir, T. Piatenko, R. de Sangro, Jie Zhang, K. Paick, P. Tan, G. W. Brandenburg, C. Hast, D. J. Lange, V. Poireau, G. Piredda, G. D. Lafferty, A. Dvoretskii, B. Lewandowski, Mousumi Datta, I. Ofte, J. C. Chen, A. W. Weidemann, F. Bucci, A. Samuel, I. J. Forster, P. M. Patel, S. L. Wu, E. O. Olaiya, M. A. Saeed, A. T. Watson, E. Maly, M. J.J. John, Stephen Robert Wagner, J.H. Panetta, Claudio Campagnari, N. R. Barlow, G. W. Morton, A. Soffer, M. H. Schune, C. Voci, J. A. Nash, A. Dorigo, JunJie Wu, Silvano Tosi, W. T. Ford, M. Morii, I. M. Peruzzi, M. Lo Vetere, W. H. Toki, C. C. Young, R. Aleksan, S. B. Zain, F. Palombo, Tim Adye, C. K. Lae, D. Côté, Vivek Sharma, R. D. Kass, M. A. Mazur, R. J. Parry, B. Aubert, E. Grauges, A. Lusiani, F. Gallo, C. M. Cormack, H. J. Bulten, M. Bondioli, E. Di Marco, C. Cartaro, U. Uwer, K. R. Schubert, G. De Nardo, R. W. Kadel, X. C. Lou, D. Fortin, A. J. Edwards, R. Stroili, C. Hearty, F. R. Wappler, Denis Bernard, Francesco Polci, A. N. Yushkov, D. J. Bard, C. Lu, D. Judd, T. W. Beck, S. I. Serednyakov, F. Bianchi, J. M. Izen, C. Patrignani, Sh. Rahatlou, K. Suzuki, C. T. Potter, Wouter Verkerke, A. J. S. Smith, H. Kagan, W. Bhimji, A. Cunha, V. Tisserand, M. Andreotti, B. Franek, R. R. Kofler, E. A. Eckhart, T. M. Hong, A. E. Rubin, R. Frey, C. J. Flacco, P. S. Jackson, L. T. Kerth, D. Dujmic, B. Cheng, V. E. Blinov, D. J. Summers, B. T. Meadows, H. Nicholson, G. Raven, Tetiana Hrynova, M. Krishnamurthy, A. Khan, J. I. Yi, M. D. Sokoloff, C. M. Brown, M. Battaglia, D. E. Wagoner, Corrado Angelini, Mario Giorgi, L. Del Buono, W. O. Ruddick, U. Egede, Michael Steinke, F. Bellini, Cheng Chen, R. Eckmann, S. Playfer, Martino Margoni, P. R. Burchat, M. H. Kelsey, C. P. O'Grady, Gabriele Simi, T. Abe, M. Pelizaeus, T. S. Mattison, C. L. Davis, D. Dong, J. Chauveau, E. Won, W. Roethel, Pu Wang, T. J. Brandt, J. Stelzer, R. F. Schwitters, V. P. Lombardo, O. L. Buchmueller, S. Morganti, M. A. Baak, V. P. Druzhinin, R. Gamet, A. V. Telnov, T. Held, K. E. Ford, M. Haire, J. C. Williams, Jed Biesiada, D. W. G. S. Leith, W. N. Cottingham, L. Piemontese, K. A. Ulmer, J. Schubert, J. R. Johnson, D. N. Brown, R. J. Sobie, A. Perazzo, C. Voena, L. Vitale, C. Bozzi, G. Cowan, G. Schott, F. Martinez-Vidal, Dominik Müller, Y. S. Zhu, J. R. Gaillard, H. P. Paar, J. E. Brau, M. L. Perl, K. Honscheid, C. A. Chavez, B. A. Schumm, C. C. Buchanan, Kyung-Soo Yi, A. Buzzo, A. Gaidot, G. Calderini, J. F. Strube, J. T. Boyd, X. Giroux, Sridhara Dasu, A. Petzold, F. F. Wilson, D. Gamba, R. J. Barlow, G. P. Gopal, N. Chevalier, E. Gabathuler, M. Posocco, V. E. Ozcan, Francesco Fabozzi, G. Vasileiadis, P. F. Giraud, S. Emery, J. C. Dingfelder, Q. K. Wong, W. R. Innes, F. C. Porter, M. T. Naisbit, Lydia Roos, James R. Wilson, M. Morganti, Yu. G. Kolomensky, Maurizio Biasini, Hyunyong Kim, Mohamed H. Ahmed, R. Godang, H. M. Lacker, Karsten Koeneke, A. J.R. Weinstein, Tamara Vazquez Schroeder, Ivo M. Gough Eschrich, H. L. Lynch, R. G. Jacobsen, G. Eigen, M. P. Kelly, F. Safai Tehrani, P. D. Jackson, Owen Rosser Long, A. Seiden, G. B. Mohanty, R. K. Yamamoto, D. M. Strom, E. Feltresi, J. A. Ernst, M. G. Green, K. S. Chaisanguanthum, Fabio Cossutti, Juergen Kroseberg, L. Gladney, M. Davier, J. J. Back, Ch Thiebaux, J.H. von Wimmersperg-Toeller, H. Staengle, H. Marsiske, J. Allison, Sai-Juan Chen, M. Bruinsma, W. J. Wisniewski, D. Del Re, P. Kyberd, J. E. Sundermann, A. Zallo, S. Passaggio, Xingguo Li, M. M. Macri, S. J. Sekula, F. Colecchia, M. Fritsch, A. Jawahery, S. D. Foulkes, Eleonora Luppi, A. P. Onuchin, S. Jayatilleke, A. Chen, B. A. Petersen, C. L. Brown, G. Cibinetto, A. V. Gritsan, Pieter David, R. Prepost, R. Nogowski, Roberto Covarelli, A. Palano, A. Olivas, S. Schenk, E. A. Kravchenko, M. Weaver, Jim McKenna, S. A. Majewski, R. Baldini-Ferroli, D. Kirkby, G. Vasseur, Y. Karyotakis, V. N. Ivanchenko, G. Cavoto, G. Vuagnin, Bryan Dahmes, C. M. Hawkes, P. F. Harrison, G. Kukartsev, Amir Farbin, Roberto Calabrese, B. C. Shen, J. Ocariz, T. J. Harrison, J.J. Reidy, R. Waldi, R. S. Dubitzky, J. M. LoSecco, N. B. Sinev, P. Patteri, M. Barrett, B. Bhuyan, C. P. Jessop, M. K. Sullivan, O. Igonkina, M. G. Greene, A. D'Orazio, F. Blanc, M. C. Hodgkinson, G. Graziani, E. I. Rosenberg, C. T. Day, Brandon L. Hartfiel, A. A. Salnikov, M. C. Simani, F. Anulli, S. Dittongo, C. A. Heusch, Urs Langenegger, Crisostomo Sciacca, D. Aston, G. Rizzo, T. E. Latham, M. Carpinelli, Markus Cristinziani, F. X. Yumiceva, G. Blaylock, D. Hufnagel, Peter Elmer, A. M. Eichenbaum, Enrico Robutti, and S. Ricciardi
- Subjects
Quantum chromodynamics ,Physics ,Particle physics ,Nuclear and High Energy Physics ,Unitarity ,Meson ,010308 nuclear & particles physics ,Electron–positron annihilation ,Charge (physics) ,01 natural sciences ,Particle identification ,law.invention ,Nuclear physics ,Crystallography ,Pion ,Positron ,Agronomy ,law ,D meson ,0103 physical sciences ,Forb ,B meson ,010306 general physics ,Collider - Abstract
We report results from an updated study of the suppressed decays ${B}^{\ensuremath{-}}\ensuremath{\rightarrow}D{K}^{\ensuremath{-}}$ and ${B}^{\ensuremath{-}}\ensuremath{\rightarrow}{D}^{*}{K}^{\ensuremath{-}}$ followed by $D\ensuremath{\rightarrow}{K}^{+}{\ensuremath{\pi}}^{\ensuremath{-}}$, where ${D}^{(*)}$ indicates a ${D}^{(*)0}$ or a ${\overline{D}}^{(*)0}$ meson, and ${D}^{*}\ensuremath{\rightarrow}D{\ensuremath{\pi}}^{0}$ or ${D}^{*}\ensuremath{\rightarrow}D\ensuremath{\gamma}$. These decays are sensitive to the Cabibbo-Kobayashi-Maskawa unitarity triangle angle $\ensuremath{\gamma}$ due to interference between the $b\ensuremath{\rightarrow}c$ transition ${B}^{\ensuremath{-}}\ensuremath{\rightarrow}{D}^{(*)0}{K}^{\ensuremath{-}}$ followed by the doubly Cabibbo-suppressed decay ${D}^{0}\ensuremath{\rightarrow}{K}^{+}{\ensuremath{\pi}}^{\ensuremath{-}}$, and the $b\ensuremath{\rightarrow}u$ transition ${B}^{\ensuremath{-}}\ensuremath{\rightarrow}{\overline{D}}^{(*)0}{K}^{\ensuremath{-}}$ followed by the Cabibbo-favored decay ${\overline{D}}^{0}\ensuremath{\rightarrow}{K}^{+}{\ensuremath{\pi}}^{\ensuremath{-}}$. We also report an analysis of the decay ${B}^{\ensuremath{-}}\ensuremath{\rightarrow}{D}^{(*)}{\ensuremath{\pi}}^{\ensuremath{-}}$ with the $D$ decaying into the doubly Cabibbo-suppressed mode $D\ensuremath{\rightarrow}{K}^{+}{\ensuremath{\pi}}^{\ensuremath{-}}$. Our results are based on $467\ifmmode\times\else\texttimes\fi{}\phantom{\rule{0ex}{0ex}}{10}^{6}$ $\ensuremath{\Upsilon}(4S)\ensuremath{\rightarrow}B\overline{B}$ decays collected with the BABAR detector at SLAC. We measure the ratios ${\mathcal{R}}^{(*)}$ of the suppressed ($[{K}^{+}{\ensuremath{\pi}}^{\ensuremath{-}}{]}_{D}{K}^{\ensuremath{-}}/{\ensuremath{\pi}}^{\ensuremath{-}}$) to favored ($[{K}^{\ensuremath{-}}{\ensuremath{\pi}}^{+}{]}_{D}{K}^{\ensuremath{-}}/{\ensuremath{\pi}}^{\ensuremath{-}}$) branching fractions as well as the $CP$ asymmetries ${\mathcal{A}}^{(*)}$ of those modes. We see indications of signals for the ${B}^{\ensuremath{-}}\ensuremath{\rightarrow}D{K}^{\ensuremath{-}}$ and ${B}^{\ensuremath{-}}\ensuremath{\rightarrow}{D}_{D{\ensuremath{\pi}}^{0}}^{*}{K}^{\ensuremath{-}}$ suppressed modes, with statistical significances of 2.1 and $2.2\ensuremath{\sigma}$, respectively, and we measure: ${\mathcal{R}}_{DK}=(1.1\ifmmode\pm\else\textpm\fi{}0.6\ifmmode\pm\else\textpm\fi{}0.2)\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}2},\phantom{\rule{2em}{0ex}}{\mathcal{A}}_{DK}=\ensuremath{-}0.86\ifmmode\pm\else\textpm\fi{}{0.47}_{\ensuremath{-}0.16}^{+0.12}$, ${\mathcal{R}}_{(D{\ensuremath{\pi}}^{0})K}^{*}=(1.8\ifmmode\pm\else\textpm\fi{}0.9\ifmmode\pm\else\textpm\fi{}\phantom{\rule{0ex}{0ex}}0.4)\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}2},\phantom{\rule{2em}{0ex}}{\mathcal{A}}_{(D{\ensuremath{\pi}}^{0})K}^{*}=+0.77\ifmmode\pm\else\textpm\fi{}0.35\ifmmode\pm\else\textpm\fi{}0.12,\phantom{\rule{2em}{0ex}}{\mathcal{R}}_{(D\ensuremath{\gamma})K}^{*}=(1.3\ifmmode\pm\else\textpm\fi{}1.4\ifmmode\pm\else\textpm\fi{}0.8)\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}2},{\mathcal{A}}_{(D\ensuremath{\gamma})K}^{*}=+0.36\phantom{\rule{0ex}{0ex}}\ifmmode\pm\else\textpm\fi{}{0.94}_{\ensuremath{-}0.41}^{+0.25}$, where the first uncertainty is statistical and the second is systematic. We use a frequentist approach to obtain the magnitude of the ratio ${r}_{B}\ensuremath{\equiv}|A({B}^{\ensuremath{-}}\ensuremath{\rightarrow}{\overline{D}}^{0}{K}^{\ensuremath{-}})/A({B}^{\ensuremath{-}}\ensuremath{\rightarrow}{D}^{0}{K}^{\ensuremath{-}})|=({9.5}_{\ensuremath{-}4.1}^{+5.1})%$, with ${r}_{B}l16.7%$ at 90% confidence level. In the case of ${B}^{\ensuremath{-}}\ensuremath{\rightarrow}{D}^{*}{K}^{\ensuremath{-}}$ we find ${r}_{B}^{*}\ensuremath{\equiv}|A({B}^{\ensuremath{-}}\ensuremath{\rightarrow}{\overline{D}}^{*0}{K}^{\ensuremath{-}})/A({B}^{\ensuremath{-}}\ensuremath{\rightarrow}{D}^{*0}{K}^{\ensuremath{-}})|=({9.6}_{\ensuremath{-}5.1}^{+3.5})%$, with ${r}_{B}^{*}l15.0%$ at 90% confidence level.
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- 2011
35. Measurements of branching fractions, polarizations, and directCP-violation asymmetries inB+→ρ0K*+andB+→f0(980)K*+decays
- Author
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B. Aubert, R. Barate, M. Bona, D. Boutigny, F. Couderc, Y. Karyotakis, J. P. Lees, V. Poireau, V. Tisserand, A. Zghiche, E. Grauges, A. Palano, J. C. Chen, N. D. Qi, G. Rong, P. Wang, Y. S. Zhu, G. Eigen, I. Ofte, B. Stugu, G. S. Abrams, M. Battaglia, D. N. Brown, J. Button-Shafer, R. N. Cahn, E. Charles, M. S. Gill, Y. Groysman, R. G. Jacobsen, J. A. Kadyk, L. T. Kerth, Yu. G. Kolomensky, G. Kukartsev, G. Lynch, L. M. Mir, T. J. Orimoto, M. Pripstein, N. A. Roe, M. T. Ronan, W. A. Wenzel, P. del Amo Sanchez, M. Barrett, K. E. Ford, T. J. Harrison, A. J. Hart, C. M. Hawkes, S. E. Morgan, A. T. Watson, T. Held, H. Koch, B. Lewandowski, M. Pelizaeus, K. Peters, T. Schroeder, M. Steinke, J. T. Boyd, J. P. Burke, W. N. Cottingham, D. Walker, T. Cuhadar-Donszelmann, B. G. Fulsom, C. Hearty, N. S. Knecht, T. S. Mattison, J. A. McKenna, A. Khan, P. Kyberd, M. Saleem, D. J. Sherwood, L. Teodorescu, V. E. Blinov, A. D. Bukin, V. P. Druzhinin, V. B. Golubev, A. P. Onuchin, S. I. Serednyakov, Yu. I. Skovpen, E. P. Solodov, K. Yu Todyshev, D. S. Best, M. Bondioli, M. Bruinsma, M. Chao, S. Curry, I. Eschrich, D. Kirkby, A. J. Lankford, P. Lund, M. Mandelkern, R. K. Mommsen, W. Roethel, D. P. Stoker, S. Abachi, C. Buchanan, S. D. Foulkes, J. W. Gary, O. Long, B. C. Shen, K. Wang, L. Zhang, H. K. Hadavand, E. J. Hill, H. P. Paar, S. Rahatlou, V. Sharma, J. W. Berryhill, C. Campagnari, A. Cunha, B. Dahmes, T. M. Hong, D. Kovalskyi, J. D. Richman, T. W. Beck, A. M. Eisner, C. J. Flacco, C. A. Heusch, J. Kroseberg, W. S. Lockman, G. Nesom, T. Schalk, B. A. Schumm, A. Seiden, P. Spradlin, D. C. Williams, M. G. Wilson, J. Albert, E. Chen, A. Dvoretskii, F. Fang, D. G. Hitlin, I. Narsky, T. Piatenko, F. C. Porter, A. Ryd, A. Samuel, G. Mancinelli, B. T. Meadows, K. Mishra, M. D. Sokoloff, F. Blanc, P. C. Bloom, S. Chen, W. T. Ford, J. F. Hirschauer, A. Kreisel, M. Nagel, U. Nauenberg, A. Olivas, W. O. Ruddick, J. G. Smith, K. A. Ulmer, S. R. Wagner, J. Zhang, A. Chen, E. A. Eckhart, A. Soffer, W. H. Toki, R. J. Wilson, F. Winklmeier, Q. Zeng, D. D. Altenburg, E. Feltresi, A. Hauke, H. Jasper, A. Petzold, B. Spaan, T. Brandt, V. Klose, H. M. Lacker, W. F. Mader, R. Nogowski, J. Schubert, K. R. Schubert, R. Schwierz, J. E. Sundermann, A. Volk, D. Bernard, G. R. Bonneaud, P. Grenier, E. Latour, Ch. Thiebaux, M. Verderi, P. J. Clark, W. Gradl, F. Muheim, S. Playfer, A. I. Robertson, Y. Xie, M. Andreotti, D. Bettoni, C. Bozzi, R. Calabrese, G. Cibinetto, E. Luppi, M. Negrini, A. Petrella, L. Piemontese, E. Prencipe, F. Anulli, R. Baldini-Ferroli, A. Calcaterra, R. de Sangro, G. Finocchiaro, S. Pacetti, P. Patteri, I. M. Peruzzi, M. Piccolo, M. Rama, A. Zallo, A. Buzzo, R. Capra, R. Contri, M. Lo Vetere, M. M. Macri, M. R. Monge, S. Passaggio, C. Patrignani, E. Robutti, A. Santroni, S. Tosi, G. Brandenburg, K. S. Chaisanguanthum, M. Morii, J. Wu, R. S. Dubitzky, J. Marks, S. Schenk, U. Uwer, D. J. Bard, W. Bhimji, D. A. Bowerman, P. D. Dauncey, U. Egede, R. L. Flack, J. A. Nash, M. B. Nikolich, W. Panduro Vazquez, P. K. Behera, X. Chai, M. J. Charles, U. Mallik, N. T. Meyer, V. Ziegler, J. Cochran, H. B. Crawley, L. Dong, V. Eyges, W. T. Meyer, S. Prell, E. I. Rosenberg, A. E. Rubin, A. V. Gritsan, A. G. Denig, M. Fritsch, G. Schott, N. Arnaud, M. Davier, G. Grosdidier, A. Höcker, F. Le Diberder, V. Lepeltier, A. M. Lutz, A. Oyanguren, S. Pruvot, S. Rodier, P. Roudeau, M. H. Schune, A. Stocchi, W. F. Wang, G. Wormser, C. H. Cheng, D. J. Lange, D. M. Wright, C. A. Chavez, I. J. Forster, J. R. Fry, E. Gabathuler, R. Gamet, K. A. George, D. E. Hutchcroft, D. J. Payne, K. C. Schofield, C. Touramanis, A. J. Bevan, F. Di Lodovico, W. Menges, R. Sacco, G. Cowan, H. U. Flaecher, D. A. Hopkins, P. S. Jackson, T. R. McMahon, S. Ricciardi, F. Salvatore, A. C. Wren, C. L. Davis, J. Allison, N. R. Barlow, R. J. Barlow, Y. M. Chia, C. L. Edgar, G. D. Lafferty, M. T. Naisbit, J. C. Williams, J. I. Yi, C. Chen, W. D. Hulsbergen, A. Jawahery, C. K. Lae, D. A. Roberts, G. Simi, G. Blaylock, C. Dallapiccola, S. S. Hertzbach, X. Li, T. B. Moore, S. Saremi, H. Staengle, R. Cowan, G. Sciolla, S. J. Sekula, M. Spitznagel, F. Taylor, R. K. Yamamoto, H. Kim, S. E. Mclachlin, P. M. Patel, S. H. Robertson, A. Lazzaro, V. Lombardo, F. Palombo, J. M. Bauer, L. Cremaldi, V. Eschenburg, R. Godang, R. Kroeger, D. A. Sanders, D. J. Summers, H. W. Zhao, S. Brunet, D. Côté, M. Simard, P. Taras, F. B. Viaud, H. Nicholson, N. Cavallo, G. De Nardo, F. Fabozzi, C. Gatto, L. Lista, D. Monorchio, P. Paolucci, D. Piccolo, C. Sciacca, M. Baak, G. Raven, H. L. Snoek, C. P. Jessop, J. M. LoSecco, T. Allmendinger, G. Benelli, K. K. Gan, K. Honscheid, D. Hufnagel, P. D. Jackson, H. Kagan, R. Kass, A. M. Rahimi, R. Ter-Antonyan, Q. K. Wong, N. L. Blount, J. Brau, R. Frey, O. Igonkina, M. Lu, R. Rahmat, N. B. Sinev, D. Strom, J. Strube, E. Torrence, A. Gaz, M. Margoni, M. Morandin, A. Pompili, M. Posocco, M. Rotondo, F. Simonetto, R. Stroili, C. Voci, M. Benayoun, J. Chauveau, H. Briand, P. David, L. Del Buono, Ch. de la Vaissière, O. Hamon, B. L. Hartfiel, M. J. J. John, Ph. Leruste, J. Malclès, J. Ocariz, L. Roos, G. Therin, L. Gladney, J. Panetta, M. Biasini, R. Covarelli, C. Angelini, G. Batignani, S. Bettarini, F. Bucci, G. Calderini, M. Carpinelli, R. Cenci, F. Forti, M. A. Giorgi, A. Lusiani, G. Marchiori, M. A. Mazur, M. Morganti, N. Neri, E. Paoloni, G. Rizzo, J. J. Walsh, M. Haire, D. Judd, D. E. Wagoner, J. Biesiada, N. Danielson, P. Elmer, Y. P. Lau, C. Lu, J. Olsen, A. J. S. Smith, A. V. Telnov, F. Bellini, G. Cavoto, A. D’Orazio, D. del Re, E. Di Marco, R. Faccini, F. Ferrarotto, F. Ferroni, M. Gaspero, L. Li Gioi, M. A. Mazzoni, S. Morganti, G. Piredda, F. Polci, F. Safai Tehrani, C. Voena, M. Ebert, H. Schröder, R. Waldi, T. Adye, N. De Groot, B. Franek, E. O. Olaiya, F. F. Wilson, R. Aleksan, S. Emery, M. Escalier, A. Gaidot, S. F. Ganzhur, G. Hamel de Monchenault, W. Kozanecki, M. Legendre, G. Vasseur, Ch. Yèche, M. Zito, X. R. Chen, H. Liu, W. Park, M. V. Purohit, J. R. Wilson, M. T. Allen, D. Aston, R. Bartoldus, P. Bechtle, N. Berger, R. Claus, J. P. Coleman, M. R. Convery, M. Cristinziani, J. C. Dingfelder, J. Dorfan, G. P. Dubois-Felsmann, D. Dujmic, W. Dunwoodie, R. C. Field, T. Glanzman, S. J. Gowdy, M. T. Graham, V. Halyo, C. Hast, T. Hryn’ova, W. R. Innes, M. H. Kelsey, P. Kim, D. W. G. S. Leith, S. Li, S. Luitz, V. Luth, H. L. Lynch, D. B. MacFarlane, H. Marsiske, R. Messner, D. R. Muller, C. P. O’Grady, V. E. Ozcan, A. Perazzo, M. Perl, T. Pulliam, B. N. Ratcliff, A. Roodman, A. A. Salnikov, R. H. Schindler, J. Schwiening, A. Snyder, J. Stelzer, D. Su, M. K. Sullivan, K. Suzuki, S. K. Swain, J. M. Thompson, J. Va’vra, N. van Bakel, M. Weaver, A. J. R. Weinstein, W. J. Wisniewski, M. Wittgen, D. H. Wright, A. K. Yarritu, K. Yi, C. C. Young, P. R. Burchat, A. J. Edwards, S. A. Majewski, B. A. Petersen, C. Roat, L. Wilden, S. Ahmed, M. S. Alam, R. Bula, J. A. Ernst, V. Jain, B. Pan, M. A. Saeed, F. R. Wappler, S. B. Zain, W. Bugg, M. Krishnamurthy, S. M. Spanier, R. Eckmann, J. L. Ritchie, A. Satpathy, C. J. Schilling, R. F. Schwitters, J. M. Izen, X. C. Lou, S. Ye, F. Bianchi, F. Gallo, D. Gamba, M. Bomben, L. Bosisio, C. Cartaro, F. Cossutti, G. Della Ricca, S. Dittongo, L. Lanceri, L. Vitale, V. Azzolini, F. Martinez-Vidal, Sw. Banerjee, B. Bhuyan, C. M. Brown, D. Fortin, K. Hamano, R. Kowalewski, I. M. Nugent, J. M. Roney, R. J. Sobie, J. J. Back, P. F. Harrison, T. E. Latham, G. B. Mohanty, M. Pappagallo, H. R. Band, X. Chen, B. Cheng, S. Dasu, M. Datta, K. T. Flood, J. J. Hollar, P. E. Kutter, H. Li, B. Mellado, A. Mihalyi, Y. Pan, M. Pierini, R. Prepost, S. L. Wu, Z. Yu, and H. Neal
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Physics ,Nuclear and High Energy Physics ,Particle physics ,Meson ,010308 nuclear & particles physics ,Branching fraction ,Electron–positron annihilation ,General Physics and Astronomy ,Branching (polymer chemistry) ,01 natural sciences ,3. Good health ,Nuclear physics ,Crystallography ,Particle decay ,Pion ,0103 physical sciences ,CP violation ,B meson ,010306 general physics ,Lepton - Abstract
We report searches for B-meson decays to the charmless final states rho K* and f0(980) K* with a sample of 232 million BBbar pairs collected with the BABAR detector at the PEP-II asymmetric-energy e+e- collider at SLAC. We measure the following branching fractions in units of 10^{-6}: B (B+ --> rho0 K*+) = 3.6 +/- 1.7 +/- 0.8 ( rho+ K*0) = 9.6 +/- 1.7 +/- 1.5, B (B0 --> rho- K*+) = 5.4 +/- 3.6 +/- 1.6 ( rho0 K*0) = 5.6 +/- 0.9 +/- 1.3, B (B+ --> f0(980) K*+) = 5.2 +/- 1.2 +/- 0.5, and B (B0 --> f0(980) K*0) = 2.6 +/- 0.6 +/- 0.9 ( rho+ K*0) = 0.52 +/- 0.10 +/- 0.04, f_L (B0 --> rho0 K*0) = 0.57 +/- 0.09 +/- 0.08, A_CP (B+ --> rho+ K*0) = -0.01 +/- 0.16 +/- 0.02, A_CP (B0 --> rho0 K*0) = 0.09 +/- 0.19 +/- 0.02, A_CP (B+ --> f_0(980) K*+) = -0.34 +/- 0.21 +/- 0.03, and A_CP (B0 --> f_0(980) K*0) = -0.17 +/- 0.28 +/- 0.02.
- Published
- 2011
36. Liquid krypton electromagnetic calorimeter
- Author
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B. Maggi, P. Cantoni, Valerio Re, G. Lo Bianco, L.A. Leontiev, P.F. Manfredi, V.I. Yurchenko, F. Palombo, A.L. Maslennikov, A. P. Onuchin, P. L. Frabetti, Francesco Lanni, V. Speziali, S.G. Klimenko, V.A. Rodyakin, A. D. Bukin, Yu. A. Tikhonov, A. Sala, Sergey Peleganchuk, V.M Aulchenko, S.G. Pivovarov, V. S. Panin, G.M. Kolachev, V.A. Tayursky, and L. Stagni
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Physics ,Nuclear and High Energy Physics ,Physics::Instrumentation and Detectors ,Krypton ,Resolution (electron density) ,chemistry.chemical_element ,Particle detector ,Particle identification ,Calorimeter ,Relativistic particle ,Nuclear physics ,chemistry ,Scintillation counter ,High Energy Physics::Experiment ,Instrumentation ,Image resolution - Abstract
A calorimeter using 30 tons of liquid krypton for the KEDR detector is being constructed. The main effects which determine the energy and space resolution have been studied. An energy resolution of 1.7% at 1.2 GeV was obtained with the prototype. A space resolution of 0.4 mm for relativistic particles has been reached with the prototype.
- Published
- 1993
37. Correlated leading baryon-antibaryon production ine+e−→cc¯→Λc+Λ¯c−X
- Author
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V. B. Golubev, B. Lindquist, Abner Soffer, D. Dujmic, Elisa Manoni, S. Playfer, H. W. Wulsin, Ch Yèche, Sw. Banerjee, C. P. O'Grady, Marcello Rotondo, M. Sigamani, A. V. Telnov, T. E. Latham, G. Rizzo, H. B. Crawley, D. A. Doll, Maria Roberta Monge, L. M. Cremaldi, F. Simonetto, J. A. McKenna, A. Petzold, M. Ebert, R. H. Schindler, E. Paoloni, C. A. West, F. U. Bernlochner, G. J. King, A. M. Ruland, S. K. Swain, J. Firmino Da Costa, X. R. Chen, Elisa Guido, J. L. Ritchie, D. G. Hitlin, R. Andreassen, J. P. Morris, V. Azzolini, E. Prencipe, L. Dong, C. M. Hawkes, M. S. Dubrovin, A. Perez, Matteo Rama, S. Prell, James H Cochran, V. Poireau, R. Bartoldus, V. Eyges, M. J. Charles, J. F. Benitez, A. J. Martinez, B. Spaan, R. Kroeger, H. Schröder, S. Luitz, A. A. Salnikov, T. J. West, P. J. Clark, D. Bettoni, Nicola Neri, A. T. Watson, A. J. Edwards, T. S. Mattison, M. Lu, P. Del Amo Sanchez, L. Lanceri, T. Lueck, Gabriele Simi, M. Simard, D. A. Roberts, Roberto Calabrese, C. Hast, J. Ocariz, M. A. Mazur, J. Merkel, E. Baracchini, A. Lusiani, D. J. Lange, G. Piredda, Z. Yasin, C. L. Davis, M. Lo Vetere, X. Prudent, S. Paramesvaran, Hyun-Chul Kim, Hung-wen Liu, G. Grosdidier, A. P. Wagner, M. Spitznagel, R. Godang, K. Tackmann, R. Gamet, B. N. Ratcliff, J. W. Gary, M. Morii, Mauro Morandin, Douglas Wright, D. H. Wright, Kenji Hamano, C. Patrignani, H. L. Lynch, Shu Li, M. Morganti, V. Tisserand, Enrico Robutti, P. Ongmongkolkul, Shawn Wesley Henderson, T. M. Hong, T. Schalk, Dmytro Kovalskyi, R. Rahmat, R. Schwierz, K. Suzuki, A. Petrella, K. Mishra, J. P. Lees, M. A. Mazzoni, G. Wormser, J. Kaminski, A. Adametz, M. Bondioli, M. Munerato, Heiko Lacker, T. J. Gershon, D. M. Strom, R. Messner, V. Sordini, S. Stracka, J. Strube, S. H. Robertson, A. Jawahery, M. Zito, H. Nicholson, G. Cibinetto, Martino Margoni, S. M. Spanier, L. Piemontese, Y. Karyotakis, James R. Wilson, H. Briand, J. M. LoSecco, C. C. Young, W. T. Meyer, T. Schroeder, J. P. Burke, A. Oyanguren, P. Taras, E. P. Solodov, W. F. Wang, E. Gabathuler, Yu I. Skovpen, W. R. Innes, W. Gradl, F. C. Porter, D. J. Asgeirsson, S. B. Zain, I. M. Nugent, J. Garra Tico, G. Mancinelli, P. D. Jackson, C. A. Heusch, J. M. Thompson, N. B. Sinev, Stephen Jacob Sekula, C. Hearty, W. Dunwoodie, G. M. Vitug, A. D. Bukin, Chunhui Chen, R. K. Yamamoto, G. De Nardo, R. C. Field, C. Touramanis, D. E. Hutchcroft, M. Gaspero, C. Dallapiccola, R. Contri, M. Battaglia, Herbert Koch, D. J. Summers, V. Santoro, M. Tibbetts, M. J. Lewczuk, A. Stocchi, E. Torrence, I. Eschrich, H. R. Band, J. F. Hirschauer, G. Finocchiaro, V. Luth, W. S. Lockman, R. F. Schwitters, I. Ofte, M. Zhao, M. S. Alam, D. B. MacFarlane, J. Chauveau, D. A. Milanes, C. Lu, F. Renga, S. Curry, C. J. Schilling, A. P. Onuchin, A. Snyder, I. Bingham, M. Bomben, R. J. Sobie, C. Voena, G. Eigen, L. Vitale, Claudio Campagnari, F. Martinez-Vidal, Dominik Müller, R. Eckmann, M. R. Convery, F. F. Wilson, V. Lepeltier, A. G. Denig, J. E. Brau, N. Lopez-March, M. Davier, E. Salvati, C. Voci, F. Forti, S. Pacetti, J. A. Kolb, R. Cowan, C. K. Clarke, B. Echenard, L. Esteve, H. Marsiske, G. Onorato, B. W. Drummond, O. Hamon, Crisostomo Sciacca, D. Aston, M. J. Kobel, K. Wacker, T. M. Karbach, M. Verderi, B. C. Wray, D. Bernard, Yu. G. Kolomensky, I. Narsky, M. T. Graham, L. A. Corwin, J. E. Watson, U. Mallik, H. Jasper, B. J. Wogsland, M. Fritsch, C. Cartaro, A. M. Lutz, T. S. Miyashita, V. Ziegler, B. T. Meadows, G. Raven, W. J. Wisniewski, P. Lund, E. C. Martin, M. D. Sokoloff, P. R. Burchat, Olga Igonkina, A. M. Gabareen, A. Calcaterra, H. Atmacan, G. Lynch, W. T. Ford, Tim Adye, H. A. Neal, D. Monorchio, M. L. Kocian, S. Bettarini, R. D. Kass, D. Su, N. L. Blount, J. Schwiening, S. Passaggio, Y. Y. Gao, X. C. Lou, D. P. Stoker, M. Bellis, J. Anderson, George Lafferty, M. Piccolo, J. J. Walsh, H. W. Zhao, P. D. Dauncey, G. Sciolla, T. Hartmann, A. M. Rahimi, P. Franchini, Matteo Negrini, Mirco Andreotti, P. C. Bloom, A. R. Buzykaev, G. P. Dubois-Felsmann, D. N. Brown, A. Palano, A. Lazzaro, K. T. Flood, S. Schenk, M. T. Allen, G. Batignani, M. L. Perl, Z. J. Guo, Joseph Izen, Corrado Angelini, B. Bhuyan, R. Ayad, F. Liu, A. Hafner, J. Kroseberg, D. Lopes Pegna, G. Cavoto, R. Sacco, A. Khan, D. S. Bailey, N. Gagliardi, V. P. Druzhinin, C. Bozzi, K. Honscheid, C. A. Chavez, H. L. Snoek, A. Roodman, E. Fioravanti, E. I. Rosenberg, Brandon L. Hartfiel, J. P. Coleman, R. J. Barlow, F. Anulli, K. Yu Todyshev, M. H. Schune, Roland Waldi, A. Hauke, M. Posocco, F. Ferroni, M. Mandelkern, E. Ben-Haim, A. C. Wren, J. Serrano, J. R. Fry, Alessandro Gaz, U. Uwer, P. Patteri, R. Stroili, C. H. Cheng, Paul Fraser Harrison, M. Barrett, B. G. Fulsom, P. M. Patel, I. L. Osipenkov, Stephen Robert Wagner, J. M. Tuggle, K. R. Schubert, R. de Sangro, S. L. Wu, M. K. Sullivan, F. Fang, W. H. Toki, Aidan Randle-Conde, W. Kozanecki, A. M. Eisner, L. O. Winstrom, R. Cenci, C. O. Vuosalo, A. Zallo, G. Hamel de Monchenault, Eleonora Luppi, W. Park, Colin Jessop, R. Prepost, G. Castelli, M. Carpinelli, C. D. Buchanan, Maurizio Biasini, B. Malaescu, M. V. Purohit, J. Albert, Owen Rosser Long, A. Seiden, G. B. Mohanty, J. A. Ernst, M. Weaver, M. Wittgen, L. Sun, R. Baldini-Ferroli, Alberto Cervelli, D. Kirkby, G. Vasseur, A. Volk, Adrian John Bevan, T. Piatenko, B. Franek, P. Biassoni, E. Grauges, R. Frey, M. H. Kelsey, E. O. Olaiya, J. Ilic, Mario Giorgi, M. A. Saeed, M. Schram, S. Morganti, Sridhara Dasu, F. Palombo, Vivek Sharma, S. Sitt, James D. Olsen, L. T. Kerth, V. E. Blinov, E. Feltresi, Benjamin Henry Hooberman, G. R. Bonneaud, D. W. G. S. Leith, P. H. Fisher, G. Calderini, G. Della Ricca, Y. B. Pan, R. Kowalewski, S. Nelson, Denis Derkach, Bruce Schumm, X. Nguyen, L. Bosisio, Andrei Gritsan, L. Gladney, R. Faccini, F. Ferrarotto, A. J. Lankford, F. Le Diberder, J. D. Richman, J. I. Yi, J. Marks, G. A. Cowan, P. Kim, R. M. White, M. Franco Sevilla, B. Pan, I. M. Peruzzi, T. W. Beck, S. I. Serednyakov, Philippe Grenier, F. Bianchi, A. E. Rubin, Mario Pelliccioni, G. Jackson, J. C. Dingfelder, A. J.S. Smith, Maurizio Martinelli, J. Prendki, P. Roudeau, L. Li Gioi, J. Dorfan, J. Va’vra, S. Ahmed, J. M. Roney, D. Gamba, Maria A. Nagel, Luca Lista, Ph Leruste, N. Arnaud, A. K. Yarritu, T. Tanabe, B. Stugu, J. G. Smith, E. M.T. Puccio, K. E. Alwyn, D. J. Bard, M. Pappagallo, G. Marchiori, N. Soni, P. Sonnek, K. J. Knoepfel, F. Di Lodovico, Bernard Aubert, D. J. Payne, U. Nauenberg, Prafulla Kumar Behera, Silvano Tosi, E. Latour, V. P. Lombardo, A. Cecchi, H. H. F. Choi, S. Emery, and H. Kagan
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Physics ,Nuclear and High Energy Physics ,Particle physics ,Meson ,010308 nuclear & particles physics ,Electron–positron annihilation ,Nuclear Theory ,High Energy Physics::Phenomenology ,Hadron ,Elementary particle ,Astrophysics::Cosmology and Extragalactic Astrophysics ,Lambda ,01 natural sciences ,Nuclear physics ,Baryon ,Charmed baryons ,Pion ,0103 physical sciences ,High Energy Physics::Experiment ,Nuclear Experiment ,010306 general physics - Abstract
We present a study of 649 +/- 35 e(+)e(-) -> c (c) over bar events produced at root s approximate to 10.6 GeV containing both Lambda(+)(c) baryon and a (Lambda) over bar (-)(c) antibaryon. The number observed is roughly 4 times that expected if the leading charmed hadron types are uncorrelated, confirming an observation by the CLEO Collaboration. We find a 2-jet topology in these events but very few additional baryons, demonstrating that the primary c and (c) over bar are predominantly contained in a correlated baryon-antibaryon system. In addition to the charmed baryons we observe on average 2.6 +/- 0.2 charged intermediate mesons, predominantly pions, carrying 65% of the remaining energy.
- Published
- 2010
38. Observation of the decayB¯0→Λc+p¯π0
- Author
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P. Kim, Marie Helene Schune, G. Mancinelli, R. M. White, M. Franco Sevilla, V. Azzolini, G. Sciolla, P. C. Bloom, M. L. Perl, E. Prencipe, Elisa Guido, J. L. Ritchie, Z. J. Guo, L. Dong, Joseph Izen, S. H. Robertson, Sw. Banerjee, A. Lazzaro, S. Emery, R. Cenci, C. Campagnari, C. O. Vuosalo, A. Adametz, A. Zallo, Roberto Calabrese, E. Torrence, Herbert Koch, S. Curry, C. J. Schilling, S. Paramesvaran, B. J. Wogsland, M. Bondioli, M. Munerato, Heiko Lacker, Denis Bernard, Chunhui Chen, D. A. Milanes, F. Renga, J. Chauveau, K. Tackmann, T. Schalk, Dmytro Kovalskyi, J. Schwiening, F. Liu, Philippe Grenier, X. C. Lou, J. J. Walsh, A. M. Rahimi, J. P. Lees, D. N. Brown, J. R. Fry, M. A. Mazzoni, J. Ocariz, S. Bettarini, B. Malaescu, A. Cecchi, B. Spaan, S. Pacetti, J. Anderson, George Lafferty, G. Wormser, M. Morganti, Shawn Wesley Henderson, C. H. Cheng, S. Stracka, K. Yu Todyshev, U. Uwer, R. Cowan, H. B. Crawley, J. C. Dingfelder, G. P. Dubois-Felsmann, P. Taras, E. P. Solodov, R. Andreassen, P. Del Amo Sanchez, B. Pan, P. Roudeau, Abner Soffer, L. Esteve, G. M. Vitug, A. Jawahery, G. Cibinetto, I. M. Peruzzi, M. Lu, I. Narsky, H. H. F. Choi, D. E. Hutchcroft, J. W. Gary, V. E. Blinov, R. Stroili, R. Ayad, Hung-wen Liu, I. M. Nugent, J. Garra Tico, R. de Sangro, S. L. Wu, L. Lanceri, J. M. Thompson, V. Ziegler, P. D. Jackson, R. K. Yamamoto, L. Li Gioi, J. Va’vra, M. T. Graham, T. Schroeder, T. S. Mattison, Eleonora Luppi, J. E. Watson, P. Patteri, W. Park, Ch Yèche, Douglas Wright, X. R. Chen, J. P. Morris, M. Gaspero, V. Sordini, Achille Stocchi, M. Spitznagel, F. Fang, M. Barrett, Benjamin Henry Hooberman, S. B. Zain, B. N. Ratcliff, V. Santoro, A. P. Onuchin, M. Zhao, G. De Nardo, I. Bingham, G. R. Bonneaud, B. G. Fulsom, Enrico Robutti, P. Ongmongkolkul, W. H. Toki, C. Hast, Maurizio Martinelli, A. Hauke, J. Strube, D. J. Lange, G. Piredda, I. L. Osipenkov, R. Schwierz, V. B. Golubev, B. Lindquist, S. Ahmed, D. Gamba, Maria A. Nagel, James R. Wilson, H. Briand, C. Lu, Matteo Rama, W. Dunwoodie, D. W. G. S. Leith, P. H. Fisher, Corrado Angelini, B. Bhuyan, H. Schröder, S. Luitz, C. Dallapiccola, H. R. Band, W. S. Lockman, M. Davier, A. Roodman, M. Morii, L. Piemontese, S. Prell, K. T. Flood, E. Fioravanti, T. W. Beck, S. I. Serednyakov, F. Bianchi, J. M. LoSecco, D. Lopes Pegna, T. Tanabe, Roland Waldi, J. M. Roney, James H Cochran, V. Poireau, Luca Lista, F. Ferroni, T. J. Gershon, Z. Yasin, Maria Roberta Monge, A. M. Eisner, B. Stugu, H. W. Wulsin, J. Firmino da Costa, H. Jasper, O. Hamon, D. S. Bailey, N. B. Sinev, V. P. Druzhinin, C. Bozzi, Kenji Hamano, G. Calderini, L. O. Winstrom, A. Palano, E. Gabathuler, H. L. Lynch, A. E. Rubin, M. K. Sullivan, G. Hamel de Monchenault, R. Rahmat, A. Petrella, W. R. Innes, W. Gradl, M. Battaglia, I. Ofte, J. G. Smith, E. M.T. Puccio, K. Honscheid, G. Eigen, S. Schenk, G. Marchiori, B. C. Wray, Paul Fraser Harrison, H. Kagan, J. A. McKenna, F. C. Porter, D. J. Asgeirsson, A. Lusiani, C. C. Young, W. T. Meyer, Marcello Rotondo, M. Sigamani, D. Dujmic, Mario Pelliccioni, Elisa Manoni, C. A. Chavez, Olga Igonkina, A. M. Gabareen, R. J. Barlow, F. U. Bernlochner, D. Derkach, G. Rizzo, A. Hafner, J. Kroseberg, L. A. Corwin, M. V. Purohit, C. A. Heusch, D. M. Strom, Stephen Jacob Sekula, S. Playfer, P. M. Patel, R. Sacco, L. M. Cremaldi, J. Albert, T. Piatenko, M. Ebert, L. Gladney, M. J. Lewczuk, Aidan Randle-Conde, C. P. O'Grady, M. Posocco, G. J. King, W. T. Ford, G. Cavoto, Tim Adye, R. D. Kass, E. Paoloni, R. Faccini, Stephen Robert Wagner, J. M. Tuggle, F. Ferrarotto, A. J. Lankford, P. Lund, R. Godang, M. Wittgen, Akram Khan, D. Su, K. R. Schubert, M. R. Convery, Y. Y. Gao, A. M. Ruland, S. K. Swain, F. Di Lodovico, W. Kozanecki, F. Le Diberder, Bernard Aubert, A. D. Bukin, A. V. Telnov, R. Contri, A. D'Orazio, E. C. Martin, J. D. Richman, N. Gagliardi, R. C. Field, D. J. Payne, U. Nauenberg, A. Calcaterra, H. Atmacan, T. M. Hong, H. L. Snoek, M. Zito, Yu I. Skovpen, M. Piccolo, P. J. Clark, M. T. Allen, D. A. Doll, G. Castelli, H. A. Neal, D. Monorchio, C. M. Hawkes, M. Carpinelli, J. F. Hirschauer, J. A. Kolb, Prafulla Kumar Behera, G. Finocchiaro, V. Luth, A. J. Edwards, E. Grauges, R. Eckmann, D. G. Hitlin, C. Hearty, A. Petzold, A. Perez, V. Lepeltier, C. A. West, N. L. Blount, C. Voci, H. W. Zhao, N. Lopez-March, M. S. Alam, J. I. Yi, H. Marsiske, G. Batignani, A. Volk, Mario Giorgi, D. J. Summers, D. Bettoni, P. D. Dauncey, T. Hartmann, A. J. Martinez, Crisostomo Sciacca, D. Aston, A. Snyder, B. Echenard, A. A. Salnikov, D. P. Stoker, Mirco Andreotti, Silvano Tosi, J. Marks, Hyun-Chul Kim, G. A. Cowan, S. Morganti, A. M. Lutz, F. F. Wilson, J. P. Burke, A. Oyanguren, M. Bellis, Nicola Neri, E. I. Rosenberg, M. Tibbetts, M. J. Kobel, A. R. Buzykaev, P. Biassoni, J. P. Coleman, W. F. Wang, R. Bartoldus, C. K. Clarke, M. Mandelkern, W. J. Wisniewski, P. Franchini, E. Ben-Haim, A. C. Wren, M. Bomben, R. J. Sobie, Sridhara Dasu, F. Anulli, S. Sitt, C. Voena, L. Vitale, Matteo Negrini, K. Suzuki, E. O. Olaiya, M. A. Saeed, S. Passaggio, Alessandro Gaz, F. Martinez-Vidal, Dominik Müller, C. Touramanis, M. A. Mazur, J. Merkel, A. G. Denig, E. Baracchini, M. Schram, T. E. Latham, M. Verderi, F. Palombo, Vivek Sharma, T. M. Karbach, E. Feltresi, K. Mishra, V. Lombardo, J. E. Brau, A. J.S. Smith, James D. Olsen, T. J. West, D. H. Wright, Colin Jessop, V. Eyges, M. J. Charles, R. Prepost, C. Patrignani, F. Simonetto, E. Salvati, Shu Li, V. Tisserand, L. T. Kerth, R. H. Schindler, R. Nogowski, H. Nicholson, J. F. Benitez, J. Serrano, M. Fritsch, E. Latour, K. E. Alwyn, D. J. Bard, Martino Margoni, M. Simard, D. A. Roberts, U. Mallik, G. Lynch, K. Wacker, G. Grosdidier, R. Kroeger, M. L. Kocian, M. Weaver, M. Pappagallo, A. T. Watson, Yu. G. Kolomensky, C. Cartaro, R. Baldini-Ferroli, T. S. Miyashita, T. Lueck, Gabriele Simi, D. Kirkby, G. Vasseur, C. L. Davis, N. Soni, R. Gamet, M. Lo Vetere, X. Prudent, R. F. Schwitters, P. Sonnek, K. J. Knoepfel, D. B. MacFarlane, Lianqi Wang, I. Eschrich, G. Onorato, B. W. Drummond, B. T. Meadows, G. Raven, G. Jackson, A. P. Wagner, J. Prendki, Mauro Morandin, M. D. Sokoloff, P. R. Burchat, F. Forti, J. Kaminski, J. Dorfan, S. M. Spanier, Y. Karyotakis, Ph Leruste, N. Arnaud, A. K. Yarritu, R. Messner, Bruce Schumm, X. Nguyen, L. Bosisio, Andrei Gritsan, G. Della Ricca, Y. B. Pan, R. Kowalewski, S. Nelson, B. Franek, R. Frey, M. H. Kelsey, J. Ilic, Maurizio Biasini, Owen Rosser Long, A. Seiden, G. B. Mohanty, J. A. Ernst, L. Sun, Alberto Cervelli, and Adrian John Bevan
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Physics ,Nuclear and High Energy Physics ,010308 nuclear & particles physics ,Branching fraction ,Electron–positron annihilation ,Analytical chemistry ,Lambda ,01 natural sciences ,Charmed baryons ,Particle decay ,Pion ,0103 physical sciences ,B meson ,Atomic physics ,010306 general physics ,Bar (unit) - Abstract
In a sample of 467 x 10(6) B (B) over bar pairs collected with the BABAR detector at the PEP- II collider at SLAC we have observed the decay (B) over bar (0) -> Lambda(+)(c)(p) over bar pi(0) and measured the branching fraction to be (1.94 +/- 0.17 +/- 0.14 +/- 0.50 x 10(-4), where the uncertainties are statistical, systematic, and the uncertainty on the Lambda(+)(c) -> pK(-)pi(+) branching fraction, respectively. We determine an upper limit of 1.5 x 10(-6) at 90% C.L. for the product branching fraction B((B) over bar (0) -> Sigma(+)(c) (2455)(p) over bar) x B(Lambda(+)(c) -> pK(-) pi(+)). Furthermore, we observe an enhancement at the threshold of the invariant mass of the baryon- antibaryon pair.
- Published
- 2010
39. Measurements of Charged Current Lepton Universality and|Vus|Using Tau Lepton Decays toe−ν¯eντ,μ−ν¯μντ,π−ντ, andK−ντ
- Author
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B. Aubert, Y. Karyotakis, J. P. Lees, V. Poireau, E. Prencipe, X. Prudent, V. Tisserand, J. Garra Tico, E. Grauges, M. Martinelli, A. Palano, M. Pappagallo, G. Eigen, B. Stugu, L. Sun, M. Battaglia, D. N. Brown, L. T. Kerth, Yu. G. Kolomensky, G. Lynch, I. L. Osipenkov, K. Tackmann, T. Tanabe, C. M. Hawkes, N. Soni, A. T. Watson, H. Koch, T. Schroeder, D. J. Asgeirsson, B. G. Fulsom, C. Hearty, T. S. Mattison, J. A. McKenna, M. Barrett, A. Khan, A. Randle-Conde, V. E. Blinov, A. D. Bukin, A. R. Buzykaev, V. P. Druzhinin, V. B. Golubev, A. P. Onuchin, S. I. Serednyakov, Yu. I. Skovpen, E. P. Solodov, K. Yu. Todyshev, M. Bondioli, S. Curry, I. Eschrich, D. Kirkby, A. J. Lankford, P. Lund, M. Mandelkern, E. C. Martin, D. P. Stoker, H. Atmacan, J. W. Gary, F. Liu, O. Long, G. M. Vitug, Z. Yasin, V. Sharma, C. Campagnari, T. M. Hong, D. Kovalskyi, M. A. Mazur, J. D. Richman, T. W. Beck, A. M. Eisner, C. A. Heusch, J. Kroseberg, W. S. Lockman, A. J. Martinez, T. Schalk, B. A. Schumm, A. Seiden, L. Wang, L. O. Winstrom, C. H. Cheng, D. A. Doll, B. Echenard, F. Fang, D. G. Hitlin, I. Narsky, P. Ongmongkolkul, T. Piatenko, F. C. Porter, R. Andreassen, G. Mancinelli, B. T. Meadows, K. Mishra, M. D. Sokoloff, P. C. Bloom, W. T. Ford, A. Gaz, J. F. Hirschauer, M. Nagel, U. Nauenberg, J. G. Smith, S. R. Wagner, R. Ayad, W. H. Toki, R. J. Wilson, E. Feltresi, A. Hauke, H. Jasper, T. M. Karbach, J. Merkel, A. Petzold, B. Spaan, K. Wacker, M. J. Kobel, R. Nogowski, K. R. Schubert, R. Schwierz, D. Bernard, E. Latour, M. Verderi, P. J. Clark, S. Playfer, J. E. Watson, M. Andreotti, D. Bettoni, C. Bozzi, R. Calabrese, A. Cecchi, G. Cibinetto, E. Fioravanti, P. Franchini, E. Luppi, M. Munerato, M. Negrini, A. Petrella, L. Piemontese, V. Santoro, R. Baldini-Ferroli, A. Calcaterra, R. de Sangro, G. Finocchiaro, S. Pacetti, P. Patteri, I. M. Peruzzi, M. Piccolo, M. Rama, A. Zallo, R. Contri, E. Guido, M. Lo Vetere, M. R. Monge, S. Passaggio, C. Patrignani, E. Robutti, S. Tosi, K. S. Chaisanguanthum, M. Morii, A. Adametz, J. Marks, S. Schenk, U. Uwer, F. U. Bernlochner, V. Klose, H. M. Lacker, T. Lueck, A. Volk, D. J. Bard, P. D. Dauncey, M. Tibbetts, P. K. Behera, M. J. Charles, U. Mallik, J. Cochran, H. B. Crawley, L. Dong, V. Eyges, W. T. Meyer, S. Prell, E. I. Rosenberg, A. E. Rubin, Y. Y. Gao, A. V. Gritsan, Z. J. Guo, N. Arnaud, J. Béquilleux, A. D’Orazio, M. Davier, D. Derkach, J. Firmino da Costa, G. Grosdidier, F. Le Diberder, V. Lepeltier, A. M. Lutz, B. Malaescu, S. Pruvot, P. Roudeau, M. H. Schune, J. Serrano, V. Sordini, A. Stocchi, G. Wormser, D. J. Lange, D. M. Wright, I. Bingham, J. P. Burke, C. A. Chavez, J. R. Fry, E. Gabathuler, R. Gamet, D. E. Hutchcroft, D. J. Payne, C. Touramanis, A. J. Bevan, C. K. Clarke, F. Di Lodovico, R. Sacco, M. Sigamani, G. Cowan, S. Paramesvaran, A. C. Wren, C. L. Davis, A. G. Denig, M. Fritsch, W. Gradl, A. Hafner, K. E. Alwyn, D. Bailey, R. J. Barlow, G. Jackson, G. D. Lafferty, T. J. West, J. I. Yi, J. Anderson, C. Chen, A. Jawahery, D. A. Roberts, G. Simi, J. M. Tuggle, C. Dallapiccola, E. Salvati, R. Cowan, D. Dujmic, P. H. Fisher, S. W. Henderson, G. Sciolla, M. Spitznagel, R. K. Yamamoto, M. Zhao, P. M. Patel, S. H. Robertson, M. Schram, P. Biassoni, A. Lazzaro, V. Lombardo, F. Palombo, S. Stracka, L. Cremaldi, R. Godang, R. Kroeger, P. Sonnek, D. J. Summers, H. W. Zhao, M. Simard, P. Taras, H. Nicholson, G. De Nardo, L. Lista, D. Monorchio, G. Onorato, C. Sciacca, G. Raven, H. L. Snoek, C. P. Jessop, K. J. Knoepfel, J. M. LoSecco, W. F. Wang, L. A. Corwin, K. Honscheid, H. Kagan, R. Kass, J. P. Morris, A. M. Rahimi, S. J. Sekula, Q. K. Wong, N. L. Blount, J. Brau, R. Frey, O. Igonkina, J. A. Kolb, M. Lu, R. Rahmat, N. B. Sinev, D. Strom, J. Strube, E. Torrence, G. Castelli, N. Gagliardi, M. Margoni, M. Morandin, M. Posocco, M. Rotondo, F. Simonetto, R. Stroili, C. Voci, P. del Amo Sanchez, E. Ben-Haim, G. R. Bonneaud, H. Briand, J. Chauveau, O. Hamon, Ph. Leruste, G. Marchiori, J. Ocariz, A. Perez, J. Prendki, S. Sitt, L. Gladney, M. Biasini, E. Manoni, C. Angelini, G. Batignani, S. Bettarini, G. Calderini, M. Carpinelli, A. Cervelli, F. Forti, M. A. Giorgi, A. Lusiani, M. Morganti, N. Neri, E. Paoloni, G. Rizzo, J. J. Walsh, D. Lopes Pegna, C. Lu, J. Olsen, A. J. S. Smith, A. V. Telnov, F. Anulli, E. Baracchini, G. Cavoto, R. Faccini, F. Ferrarotto, F. Ferroni, M. Gaspero, P. D. Jackson, L. Li Gioi, M. A. Mazzoni, S. Morganti, G. Piredda, F. Renga, C. Voena, M. Ebert, T. Hartmann, H. Schröder, R. Waldi, T. Adye, B. Franek, E. O. Olaiya, F. F. Wilson, S. Emery, L. Esteve, G. Hamel de Monchenault, W. Kozanecki, G. Vasseur, Ch. Yèche, M. Zito, M. T. Allen, D. Aston, R. Bartoldus, J. F. Benitez, R. Cenci, J. P. Coleman, M. R. Convery, J. C. Dingfelder, J. Dorfan, G. P. Dubois-Felsmann, W. Dunwoodie, R. C. Field, M. Franco Sevilla, A. M. Gabareen, M. T. Graham, P. Grenier, C. Hast, W. R. Innes, J. Kaminski, M. H. Kelsey, H. Kim, P. Kim, M. L. Kocian, D. W. G. S. Leith, S. Li, B. Lindquist, S. Luitz, V. Luth, H. L. Lynch, D. B. MacFarlane, H. Marsiske, R. Messner, D. R. Muller, H. Neal, S. Nelson, C. P. O’Grady, I. Ofte, M. Perl, B. N. Ratcliff, A. Roodman, A. A. Salnikov, R. H. Schindler, J. Schwiening, A. Snyder, D. Su, M. K. Sullivan, K. Suzuki, S. K. Swain, J. M. Thompson, J. Va’vra, A. P. Wagner, M. Weaver, C. A. West, W. J. Wisniewski, M. Wittgen, D. H. Wright, H. W. Wulsin, A. K. Yarritu, C. C. Young, V. Ziegler, X. R. Chen, H. Liu, W. Park, M. V. Purohit, R. M. White, J. R. Wilson, M. Bellis, P. R. Burchat, A. J. Edwards, T. S. Miyashita, S. Ahmed, M. S. Alam, J. A. Ernst, B. Pan, M. A. Saeed, S. B. Zain, A. Soffer, S. M. Spanier, B. J. Wogsland, R. Eckmann, J. L. Ritchie, A. M. Ruland, C. J. Schilling, R. F. Schwitters, B. C. Wray, B. W. Drummond, J. M. Izen, X. C. Lou, F. Bianchi, D. Gamba, M. Pelliccioni, M. Bomben, L. Bosisio, C. Cartaro, G. Della Ricca, L. Lanceri, L. Vitale, V. Azzolini, N. Lopez-March, F. Martinez-Vidal, D. A. Milanes, A. Oyanguren, J. Albert, Sw. Banerjee, B. Bhuyan, H. H. F. Choi, K. Hamano, G. J. King, R. Kowalewski, M. J. Lewczuk, I. M. Nugent, J. M. Roney, R. J. Sobie, T. J. Gershon, P. F. Harrison, J. Ilic, T. E. Latham, G. B. Mohanty, E. M. T. Puccio, H. R. Band, X. Chen, S. Dasu, K. T. Flood, Y. Pan, R. Prepost, C. O. Vuosalo, and S. L. Wu
- Subjects
Physics ,Particle physics ,Annihilation ,010308 nuclear & particles physics ,Electron–positron annihilation ,Charge current ,General Physics and Astronomy ,01 natural sciences ,Universality (dynamical systems) ,Nuclear physics ,0103 physical sciences ,010306 general physics ,Charged current ,Lepton - Abstract
Using 467 fb(-1) of e+e- annihilation data collected with the BABAR detector, we measure (B(τ- → μ- ν(μ) ν(τ)))/(B(τ- → e- ν(e) ν(τ))) =(0.9796±0.0016±0.0036), (B(τ- → π- ν(τ)))/(B(τ- → e- ν(e) ν(τ))) = (0.5945±0.0014±0.0061), and (B(τ- → K- ν(τ)))/(B(τ- → e- ν(e) ν(τ))) = (0.03882±0.00032±0.00057), where the uncertainties are statistical and systematic, respectively. From these precision τ measurements, we test the standard model assumption of μ-e and τ-μ charge current lepton universality and provide determinations of |Vus| experimentally independent of the decay of a kaon.
- Published
- 2010
40. The BABAR Physics Book: Physics at an Asymmetric B Factory
- Author
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B.F.L. Ward, D.A. Roberts, Stefan Kluth, David Atwood, P. N. Y. David, V. Suraiya, E. I. Rosenberg, C. T. Day, A. A. Salnikov, F. Anulli, S. Dittongo, Armin Karcher, Jonathan M. Flynn, M. Benkebil, Kalelkar, Stephen F. Schaffner, G. Carlino, M.E. Levi, V. Savinov, C. P. Jessop, M. K. Sullivan, Fabio Morsani, M. Rotondo, N. Regnault, R. Aleksan, G. De Nardo, S. S. Hertzbach, J. Va’vra, A. I. McNab, Ralph Müller-Pfefferkorn, Herbert Koch, C. Lu, D. Judd, M. Turri, G. Lynch, Gerhard Buchalla, M. L. Kocian, A. DeSilva, Tom Rizzo, A. M. Eisner, Janice Button-Shafer, G. R. Bonneaud, Y. u. G. Kolomensky, K.C. Moffeit, R. H. Schindler, J. Dorfan, J. M. Bauer, L. M. Cremaldi, L. Piemontese, A. M. Boyarski, R. Bartoldus, Zongfu Yu, Alyssa Garcia, G. Hamel de Monchenault, R. S. Panvini, D.H. Coward, G. Zioulas, H. Yu, A. Asmone, D. Falciai, D. J. B. Smith, F. Zhang, P.P. Xie, J. A. Nash, M. Lo Vetere, Stefano Mazzoni, J. M. Bishop, D. Fujino, Ikaros I.Y. Bigi, A. Mass, Zoltan Ligeti, Paola Grosso, G. Finocchiaro, V. Luth, D. G. Hitlin, P. Rankin, G. Castelli, Krisztian Peters, J. Pavlovich, R.D. Peccei, M. V. Purohit, D. Renner, T. Dignan, Francesco Lanni, P. Strother, F. Forti, M. Verderi, Ph Leruste, A. Khan, E. Tetteh-Lartey, J. Albert, E. Chen, B. Stugu, E. Gabathuler, T. Schalk, R. M. Bionta, A. Stahl, G. Wormser, A.K. McKemey, R. Kroeger, W. R. Innes, C. Evangelista, W.A. Wenzel, C. Gatto, B. Mayer, F. C. Porter, D. B. MacFarlane, C.T. Sachrajda, P.L. Anthony, J. Brose, A. B. Meyer, A. Snyder, T.J. Champion, A. Calcaterra, C. Roat, X. C. Lou, F. Costantini, D. P. Stoker, O. Hamon, Laurent Lellouch, R.G. Alsmiller, D. Wyler, H. Lan, Willem G. J. Langeveld, U. Nauenberg, J. O. Nielsen, P.A. Hart, O. Pene, D. Su, M. C. Gonzalez-Garcia, M. Carpinelli, Valerio Re, G. Triggiani, B.B. Naranjo, W. Dunwoodie, T. A. Gabriel, A. Samuel, M. Piccolo, Tiehui Liu, A. Valassi, S. Chuniv, N. A. Roe, G. P. Dubois-Felsmann, A. Trunov, G. Batignani, Ren-Yuan Zhu, G. Blaylock, A.S. Dighe, Reinhold Rückl, R. Faccini, F. Ferrarotto, A. J. Lankford, C. Dallapiccola, H. Marsiske, Randall P. Johnson, R. N. Cahn, H. Krieg, R. M. Martin, Maria Roberta Monge, D. R. Johnson, C.G. Boyd, F. Le Diberder, G. Vasileiadis, T. Himel, C. A. Heusch, J. Allison, S. F. Ganzhur, C. LeClerc, Marcel Kunze, D.E. Dorfan, M. Mandelkern, L. Martin, A. Bajic, J. D. Richman, W. S. Lockman, W. J. Wisniewski, L.S. Rochester, Luca Silvestrini, V. E. Blinov, B. Camanzi, F. Dal Corso, Giorgi, G. Michelon, N. Dyce, S. J. Yellin, A. Hasan, M. T. Ronan, J. M. Roney, David London, Luca Lista, E. Lamanna, G. Dahlinger, Q. Fan, Andreas Hoecker, D. A. Sanders, M. R. Convery, J. G. Smith, Crisostomo Sciacca, D. Aston, E.P. Potter, G. Rizzo, L. Lanceri, Guido Martinelli, R. Pitthan, W. Yang, N. De Groot, P. J. Oddone, D. W. G. S. Leith, D.P. Coupal, Michael Doser, R. Zaliznyak, A. Walkden, D. Fong, E. Mandelli, I. M. Peruzzi, Peter Elmer, C. Hast, G. Piredda, N. Copty, M. Morii, E. Charles, Yuval Grossman, G. Calderini, K. T. McDonald, Pierluigi Paolucci, N. Savvas, R. W. Kadel, Benjamin Grinstein, C. Hearty, R. Kerth, J. L. Wittlin, V.V. Serbo, Marco Pallavicini, F. Galeazzi, M. Turcotte, M. Mugge, A. Firestone, Sridhara Dasu, Alexey A. Petrov, D. J. Summers, J.H. Cooke, Mark B. Wise, I. Adam, M. Munson, B. N. Ratcliff, S. I. Serednyakov, F. Bianchi, Laura Reina, A. de Lesquen, Sh. Rahatlou, Alessandra Forti, T. J. Brandt, M. Pripstein, A. Perazzo, V. I. Telnov, M. Milek, Enrico Robutti, R. Prepost, N. D. Qi, R. Schwierz, K. van Bibber, Lodovico Ratti, Jeremy A. Johnson, M. Folegani, A. Palano, W. D. Shephard, A. Romosan, P.F. Jacques, J.H. Weatherall, Russell S. Hamilton, R. R. Kofler, D. Zanin, P. C. Kim, A. Eppich, B. Foster, F. Palombo, Vivek Sharma, Ingrid U. Scott, D. E. Wagoner, W. Orejudos, G. Cavoto, C. C. Buchanan, Brad Abbott, David Nathan Brown, B. DiGirolamo, H. L. Lynch, P. J. Clark, Michael C. Carroll, R. G. Jacobsen, Y. Guo, G. Vuagnin, M. Lusignoli, A. Romero, W. T. Meyer, M. Prest, C. L. Davis, Johann Cohen-Tanugi, R. Vitale, F.E. Close, R. Gamet, Stephen J. McMahon, Francesca Borzumati, T. S. Mattison, Helen R. Quinn, E. A. Kravchenko, M. Weaver, Thomas Mannel, P. D. Dauncey, R. Baldini-Ferroli, M. Haire, Jayashree Roy, K. Paick, Robert Wilson, A. Pugliese, Hartmut Sadrozinski, D. Kirkby, G. Vasseur, Roland Bernet, G.C. Branco, Daniel A. Bauer, M. M. Macri, A. Leona, J.L. Hewett, A. Jawahery, V.G. Shelkov, A. Gaidot, Andrew J. Martin, Michael S. Witherell, T.L. Geld, C. H. Cheng, J.F. Kral, P.D. Barnes, F. F. Wilson, A. R. Clark, G. P. Gopal, S. Emery, S. Playfer, N. M. Cason, J. R. Fry, C. P. O'Grady, S. J. Patton, G. Manzin, T.I. Meyer, A. P. Onuchin, C. Patrignani, U. Mallik, R. Contri, G.P. Chen, V. Tisserand, A. V. Telnov, P. Kunz, W.G. Yan, Matthias Neubert, A. R. Buzykaev, R. de Sangro, V. Lepeltier, H.A. Tanaka, Giovanni Crosetti, J. A. Kadyk, M. Benayoun, D. Boutigny, D. H. Wright, S. Ren, C. Voci, M.P. Worah, V. M. Braun, S. Bettarini, Franco Buccella, S. Fahey, W. H. Toki, C. C. Young, B. Spaan, Jérôme Charles, M. Falbo-Kenkel, J.D. McFall, Patricia Ball, T. Glanzman, H. Briand, H. Mao, D.L. Wagner, A. D. Bukin, A. Zallo, G.L. Godfrey, N. Cavallo, Donghui Li, R. Seitz, Stéphane Plaszczynski, H. Zobernig, Alexander L. Kagan, James D. Wells, A. A. Grillo, C. Touramanis, T. Pulliam, G. W. London, A. B. Breon, A. Masiero, A. W. Borgland, M.G. Pia, A. Woch, V. Zacek, F. Ferroni, O. Wen, Gabriella Sciolla, G. Grosdidier, J. Beringer, J. Schwiening, Frank Gaede, T.L. Hall, N. Kuznetsova, M. Rama, Andris Skuja, J. J. Walsh, J. A. McKenna, A. Tumanov, Fernando Dutra, Valery Pozdnyakov, P. Poropat, G. S. Abrams, I. Dunietz, Anders Ryd, Michael Steinke, S. Morganti, Z. W. Yin, A. J.R. Weinstein, Giulia Ricciardi, G. D. Lafferty, P. M. Patel, A. M. Lutz, S. J. Gowdy, J. Lory, Stephen Robert Wagner, C. Cretsinger, M. Bondioli, A. J. S. Smith, Sau Lan Wu, M. George, N. Paver, I. De Bonis, K. R. Schubert, D. Guetta, J. W. Lamsa, J. Chauveau, G. Simi, H. B. Crawley, Y. S. Zhu, H. Schmücker, E. Vallazza, Alexander Khodjamirian, G. Della Ricca, Sokoloff, E.D. Frank, A. Frey, David Norvil Brown, P. C. Bloom, M.N. Kreisler, Y. B. Pan, Richard Mount, R. Kowalewski, Enrico Nardi, G. Musolino, Y. Nir, K. Lingel, M. Marino, Jane S. Tinslay, C. C. Zhang, J.J. Reidy, Craig R. Wuest, T.J. Pavel, B. Franek, L. Keller, G. De Domenico, M. H. Kelsey, Robert Fleischer, D. R. Quarrie, M. Morandin, C. Yeche, R. Waldi, E. Roussot, Lydia Roos, A. Vitelli, M. Morganti, J. Secrest, D. R. Muller, J. Ohnemus, J.C. Andress, M. H. Schune, G. Burdman, M. Zito, P. Sanders, Owen Rosser Long, A. Seiden, R. Stroili, A. A. Korol, R. K. Yamamoto, J. J. Back, Remi Lafaye, S. Versille, C. Thiebaux, C. Campagnari, M. G. Green, M. Zhao, S. Mettarini, L. Gladney, Amarjit Soni, B. T. Meadows, J. M. LoSecco, L. Behr, G. Raven, P. R. Burchat, L. Oliver, Y. Zheng, R. Parodi, Adam F. Falk, K. T. Flood, V. Miftakov, D. Silverman, N. I. Geddes, C.S. Sutton, J. L. Narjoux, G. Eigen, R. Kapur, E. W. Varnes, J. G. Branson, D. Gamba, W. Zhao, S. Devmal, Y. Karyotakis, C. De La Vaissiere, R. L. Malchow, V. N. Ivanchenko, V. Speziali, Mossadek Talby, P. F. Harrison, P.F. Manfredi, W. T. Ford, X. Shi, Tim Adye, Philip Colangelo, A. Le Yaouanc, G. Mancinelli, J. L. Harton, Yu. I. Skovpen, B. Lewandowski, Davide Piccolo, F. Bulos, Ulrich Nierste, A. Soffer, E. Mirkes, R.J. Plano, A. Mokhtarani, A. Santroni, A. Lusiani, K.G. Baird, Fabian Zomer, Antonio Pich, J. M. Izen, H. Nicholson, E. Nehrlich, L. Del Buono, K. Hall, D. S. Yan, Jens H. Kuhn, S. Yang, Francesco Fabozzi, J. Trischuk, R. Messner, M. Ciuchini, C.S. Lin, V. Eschenburg, P. Taras, A. Lu, Elliott D. Bloom, Scott D. Metzler, L. Bosisio, R. C. W. Henderson, Ulrik Egede, R. Cowan, Y.Y. Keum, Corrado Angelini, A. Smol, J. Martin, B. A. Schumm, Gino Isidori, A. Buzzo, R. J. Barlow, Sercan Sen, M. Posocco, and F. De Fazio
- Subjects
Physics ,Nuclear physics ,Particle physics ,law ,Form factor (quantum field theory) ,CP violation ,BaBar experiment ,Particle accelerator ,Linear particle accelerator ,law.invention ,B-factory - Abstract
Results of a year-long workshop devoted to a review of the physics opportunities of the BABAR experiment at the PEP-II B Factory, at the Stanford Linear Accelerator Center laboratory are presented.
- Published
- 2010
41. Observation of theχc2(2P)meson in the reactionγγ→DD¯atBABAR
- Author
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B. Aubert, Y. Karyotakis, J. P. Lees, V. Poireau, E. Prencipe, X. Prudent, V. Tisserand, J. Garra Tico, E. Grauges, M. Martinelli, A. Palano, M. Pappagallo, G. Eigen, B. Stugu, L. Sun, M. Battaglia, D. N. Brown, B. Hooberman, L. T. Kerth, Yu. G. Kolomensky, G. Lynch, I. L. Osipenkov, K. Tackmann, T. Tanabe, C. M. Hawkes, N. Soni, A. T. Watson, H. Koch, T. Schroeder, D. J. Asgeirsson, C. Hearty, T. S. Mattison, J. A. McKenna, M. Barrett, A. Khan, A. Randle-Conde, V. E. Blinov, A. D. Bukin, A. R. Buzykaev, V. P. Druzhinin, V. B. Golubev, A. P. Onuchin, S. I. Serednyakov, Yu. I. Skovpen, E. P. Solodov, K. Yu. Todyshev, M. Bondioli, S. Curry, I. Eschrich, D. Kirkby, A. J. Lankford, P. Lund, M. Mandelkern, E. C. Martin, D. P. Stoker, H. Atmacan, J. W. Gary, F. Liu, O. Long, G. M. Vitug, Z. Yasin, V. Sharma, C. Campagnari, T. M. Hong, D. Kovalskyi, M. A. Mazur, J. D. Richman, T. W. Beck, A. M. Eisner, C. A. Heusch, J. Kroseberg, W. S. Lockman, A. J. Martinez, T. Schalk, B. A. Schumm, A. Seiden, L. O. Winstrom, C. H. Cheng, D. A. Doll, B. Echenard, F. Fang, D. G. Hitlin, I. Narsky, P. Ongmongkolkul, T. Piatenko, F. C. Porter, R. Andreassen, M. S. Dubrovin, G. Mancinelli, B. T. Meadows, K. Mishra, M. D. Sokoloff, P. C. Bloom, W. T. Ford, A. Gaz, J. F. Hirschauer, M. Nagel, U. Nauenberg, J. G. Smith, S. R. Wagner, R. Ayad, W. H. Toki, E. Feltresi, A. Hauke, H. Jasper, T. M. Karbach, J. Merkel, A. Petzold, B. Spaan, K. Wacker, M. J. Kobel, K. R. Schubert, R. Schwierz, D. Bernard, E. Latour, M. Verderi, P. J. Clark, S. Playfer, J. E. Watson, M. Andreotti, D. Bettoni, C. Bozzi, R. Calabrese, A. Cecchi, G. Cibinetto, E. Fioravanti, P. Franchini, E. Luppi, M. Munerato, M. Negrini, A. Petrella, L. Piemontese, V. Santoro, R. Baldini-Ferroli, A. Calcaterra, R. de Sangro, G. Finocchiaro, S. Pacetti, P. Patteri, I. M. Peruzzi, M. Piccolo, M. Rama, A. Zallo, R. Contri, E. Guido, M. Lo Vetere, M. R. Monge, S. Passaggio, C. Patrignani, E. Robutti, S. Tosi, M. Morii, A. Adametz, J. Marks, S. Schenk, U. Uwer, F. U. Bernlochner, H. M. Lacker, T. Lueck, A. Volk, P. D. Dauncey, M. Tibbetts, P. K. Behera, M. J. Charles, U. Mallik, C. Chen, J. Cochran, H. B. Crawley, L. Dong, V. Eyges, W. T. Meyer, S. Prell, E. I. Rosenberg, A. E. Rubin, Y. Y. Gao, A. V. Gritsan, Z. J. Guo, N. Arnaud, M. Davier, D. Derkach, J. Firmino da Costa, G. Grosdidier, F. Le Diberder, V. Lepeltier, A. M. Lutz, B. Malaescu, P. Roudeau, M. H. Schune, J. Serrano, V. Sordini, A. Stocchi, G. Wormser, D. J. Lange, D. M. Wright, I. Bingham, J. P. Burke, C. A. Chavez, J. R. Fry, E. Gabathuler, R. Gamet, D. E. Hutchcroft, D. J. Payne, C. Touramanis, A. J. Bevan, C. K. Clarke, F. Di Lodovico, R. Sacco, M. Sigamani, G. Cowan, S. Paramesvaran, A. C. Wren, C. L. Davis, A. G. Denig, M. Fritsch, W. Gradl, A. Hafner, K. E. Alwyn, D. Bailey, R. J. Barlow, G. Jackson, G. D. Lafferty, T. J. West, J. I. Yi, J. Anderson, A. Jawahery, D. A. Roberts, G. Simi, J. M. Tuggle, C. Dallapiccola, E. Salvati, R. Cowan, D. Dujmic, P. H. Fisher, S. W. Henderson, G. Sciolla, M. Spitznagel, R. K. Yamamoto, M. Zhao, P. M. Patel, S. H. Robertson, M. Schram, P. Biassoni, A. Lazzaro, V. Lombardo, F. Palombo, S. Stracka, L. Cremaldi, R. Godang, R. Kroeger, P. Sonnek, D. J. Summers, H. W. Zhao, X. Nguyen, M. Simard, P. Taras, H. Nicholson, G. De Nardo, L. Lista, D. Monorchio, G. Onorato, C. Sciacca, G. Raven, H. L. Snoek, C. P. Jessop, K. J. Knoepfel, J. M. LoSecco, W. F. Wang, L. A. Corwin, K. Honscheid, H. Kagan, R. Kass, J. P. Morris, A. M. Rahimi, S. J. Sekula, N. L. Blount, J. Brau, R. Frey, O. Igonkina, J. A. Kolb, M. Lu, R. Rahmat, N. B. Sinev, D. Strom, J. Strube, E. Torrence, G. Castelli, N. Gagliardi, M. Margoni, M. Morandin, M. Posocco, M. Rotondo, F. Simonetto, R. Stroili, C. Voci, P. del Amo Sanchez, E. Ben-Haim, G. R. Bonneaud, H. Briand, J. Chauveau, O. Hamon, Ph. Leruste, G. Marchiori, J. Ocariz, A. Perez, J. Prendki, S. Sitt, L. Gladney, M. Biasini, E. Manoni, C. Angelini, G. Batignani, S. Bettarini, G. Calderini, M. Carpinelli, A. Cervelli, F. Forti, M. A. Giorgi, A. Lusiani, M. Morganti, N. Neri, E. Paoloni, G. Rizzo, J. J. Walsh, D. Lopes Pegna, C. Lu, J. Olsen, A. J. S. Smith, A. V. Telnov, F. Anulli, E. Baracchini, G. Cavoto, R. Faccini, F. Ferrarotto, F. Ferroni, M. Gaspero, P. D. Jackson, L. Li Gioi, M. A. Mazzoni, S. Morganti, G. Piredda, F. Renga, C. Voena, M. Ebert, T. Hartmann, H. Schröder, R. Waldi, T. Adye, B. Franek, E. O. Olaiya, F. F. Wilson, S. Emery, L. Esteve, G. Hamel de Monchenault, W. Kozanecki, G. Vasseur, Ch. Yèche, M. Zito, M. T. Allen, D. Aston, D. J. Bard, R. Bartoldus, J. F. Benitez, R. Cenci, J. P. Coleman, M. R. Convery, J. C. Dingfelder, J. Dorfan, G. P. Dubois-Felsmann, W. Dunwoodie, R. C. Field, M. Franco Sevilla, B. G. Fulsom, A. M. Gabareen, M. T. Graham, P. Grenier, C. Hast, W. R. Innes, J. Kaminski, M. H. Kelsey, H. Kim, P. Kim, M. L. Kocian, D. W. G. S. Leith, S. Li, B. Lindquist, S. Luitz, V. Luth, H. L. Lynch, D. B. MacFarlane, H. Marsiske, R. Messner, D. R. Muller, H. Neal, S. Nelson, C. P. O’Grady, I. Ofte, M. Perl, B. N. Ratcliff, A. Roodman, A. A. Salnikov, R. H. Schindler, J. Schwiening, A. Snyder, D. Su, M. K. Sullivan, K. Suzuki, S. K. Swain, J. M. Thompson, J. Va’vra, A. P. Wagner, M. Weaver, C. A. West, W. J. Wisniewski, M. Wittgen, D. H. Wright, H. W. Wulsin, A. K. Yarritu, C. C. Young, V. Ziegler, X. R. Chen, H. Liu, W. Park, M. V. Purohit, R. M. White, J. R. Wilson, M. Bellis, P. R. Burchat, A. J. Edwards, T. S. Miyashita, S. Ahmed, M. S. Alam, J. A. Ernst, B. Pan, M. A. Saeed, S. B. Zain, A. Soffer, S. M. Spanier, B. J. Wogsland, R. Eckmann, J. L. Ritchie, A. M. Ruland, C. J. Schilling, R. F. Schwitters, B. C. Wray, B. W. Drummond, J. M. Izen, X. C. Lou, F. Bianchi, D. Gamba, M. Pelliccioni, M. Bomben, L. Bosisio, C. Cartaro, G. Della Ricca, L. Lanceri, L. Vitale, V. Azzolini, N. Lopez-March, F. Martinez-Vidal, D. A. Milanes, A. Oyanguren, J. Albert, Sw. Banerjee, B. Bhuyan, H. H. F. Choi, K. Hamano, G. J. King, R. Kowalewski, M. J. Lewczuk, I. M. Nugent, J. M. Roney, R. J. Sobie, T. J. Gershon, P. F. Harrison, J. Ilic, T. E. Latham, G. B. Mohanty, E. M. T. Puccio, H. R. Band, X. Chen, S. Dasu, K. T. Flood, Y. Pan, R. Prepost, C. O. Vuosalo, and S. L. Wu
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Physics ,Nuclear and High Energy Physics ,Particle physics ,Meson ,Mass distribution ,010308 nuclear & particles physics ,Astrophysics::High Energy Astrophysical Phenomena ,Electron–positron annihilation ,Hadron ,BaBar experiment ,Elementary particle ,Astrophysics::Cosmology and Extragalactic Astrophysics ,01 natural sciences ,Nuclear physics ,Particle decay ,0103 physical sciences ,High Energy Physics::Experiment ,Invariant mass ,010306 general physics - Abstract
A search for the Z(3930) resonance in gamma gamma production of the DDbar system has been performed using a data sample corresponding to an integrated luminosity of 384 fb^-1 recorded by the BABAR experiment at the PEP-II asymmetric-energy electron-positron collider. The DDbar invariant mass distribution shows clear evidence of the Z(3930) state with a significance of 5.8 sigma. We determine mass and width values of (3926.7 +- 2.7 +- 1.1) MeV/c^2 and (21.3 +- 6.8 +- 3.6) MeV, respectively. A decay angular analysis provides evidence that the Z(3930) is a tensor state with positive parity and C-parity (J^PC = 2^++); therefore we identify the Z(3930) state as the chi_c2(2P) meson. The value of the partial width Gamma_(gamma gamma)xB(Z(3930)-> DDbar) is found to be (0.24 +- 0.05 +- 0.04) keV.
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- 2010
42. Search forB+→ℓ+νℓrecoiling againstB−→D0ℓ−ν¯X
- Author
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B. Aubert, Y. Karyotakis, J. P. Lees, V. Poireau, E. Prencipe, X. Prudent, V. Tisserand, J. Garra Tico, E. Grauges, M. Martinelli, A. Palano, M. Pappagallo, G. Eigen, B. Stugu, L. Sun, M. Battaglia, D. N. Brown, B. Hooberman, L. T. Kerth, Yu. G. Kolomensky, G. Lynch, I. L. Osipenkov, K. Tackmann, T. Tanabe, C. M. Hawkes, N. Soni, A. T. Watson, H. Koch, T. Schroeder, D. J. Asgeirsson, C. Hearty, T. S. Mattison, J. A. McKenna, M. Barrett, A. Khan, A. Randle-Conde, V. E. Blinov, A. D. Bukin, A. R. Buzykaev, V. P. Druzhinin, V. B. Golubev, A. P. Onuchin, S. I. Serednyakov, Yu. I. Skovpen, E. P. Solodov, K. Yu. Todyshev, M. Bondioli, S. Curry, I. Eschrich, D. Kirkby, A. J. Lankford, P. Lund, M. Mandelkern, E. C. Martin, D. P. Stoker, H. Atmacan, J. W. Gary, F. Liu, O. Long, G. M. Vitug, Z. Yasin, V. Sharma, C. Campagnari, T. M. Hong, D. Kovalskyi, M. A. Mazur, J. D. Richman, T. W. Beck, A. M. Eisner, C. A. Heusch, J. Kroseberg, W. S. Lockman, A. J. Martinez, T. Schalk, B. A. Schumm, A. Seiden, L. Wang, L. O. Winstrom, C. H. Cheng, D. A. Doll, B. Echenard, F. Fang, D. G. Hitlin, I. Narsky, P. Ongmongkolkul, T. Piatenko, F. C. Porter, R. Andreassen, G. Mancinelli, B. T. Meadows, K. Mishra, M. D. Sokoloff, P. C. Bloom, W. T. Ford, A. Gaz, J. F. Hirschauer, M. Nagel, U. Nauenberg, J. G. Smith, S. R. Wagner, R. Ayad, W. H. Toki, E. Feltresi, A. Hauke, H. Jasper, T. M. Karbach, J. Merkel, A. Petzold, B. Spaan, K. Wacker, M. J. Kobel, R. Nogowski, K. R. Schubert, R. Schwierz, D. Bernard, E. Latour, M. Verderi, P. J. Clark, S. Playfer, J. E. Watson, M. Andreotti, D. Bettoni, C. Bozzi, R. Calabrese, A. Cecchi, G. Cibinetto, E. Fioravanti, P. Franchini, E. Luppi, M. Munerato, M. Negrini, A. Petrella, L. Piemontese, V. Santoro, R. Baldini-Ferroli, A. Calcaterra, R. de Sangro, G. Finocchiaro, S. Pacetti, P. Patteri, I. M. Peruzzi, M. Piccolo, M. Rama, A. Zallo, R. Contri, E. Guido, M. Lo Vetere, M. R. Monge, S. Passaggio, C. Patrignani, E. Robutti, S. Tosi, M. Morii, A. Adametz, J. Marks, S. Schenk, U. Uwer, F. U. Bernlochner, H. M. Lacker, T. Lueck, A. Volk, P. D. Dauncey, M. Tibbetts, P. K. Behera, M. J. Charles, U. Mallik, J. Cochran, H. B. Crawley, L. Dong, V. Eyges, W. T. Meyer, S. Prell, E. I. Rosenberg, A. E. Rubin, Y. Y. Gao, A. V. Gritsan, Z. J. Guo, N. Arnaud, A. D’Orazio, M. Davier, D. Derkach, J. Firmino da Costa, G. Grosdidier, F. Le Diberder, V. Lepeltier, A. M. Lutz, B. Malaescu, P. Roudeau, M. H. Schune, J. Serrano, V. Sordini, A. Stocchi, G. Wormser, D. J. Lange, D. M. Wright, I. Bingham, J. P. Burke, C. A. Chavez, J. R. Fry, E. Gabathuler, R. Gamet, D. E. Hutchcroft, D. J. Payne, C. Touramanis, A. J. Bevan, C. K. Clarke, F. Di Lodovico, R. Sacco, M. Sigamani, G. Cowan, S. Paramesvaran, A. C. Wren, C. L. Davis, A. G. Denig, M. Fritsch, W. Gradl, A. Hafner, K. E. Alwyn, D. Bailey, R. J. Barlow, G. Jackson, G. D. Lafferty, T. J. West, J. I. Yi, J. Anderson, C. Chen, A. Jawahery, D. A. Roberts, G. Simi, J. M. Tuggle, C. Dallapiccola, E. Salvati, R. Cowan, D. Dujmic, P. H. Fisher, S. W. Henderson, G. Sciolla, M. Spitznagel, R. K. Yamamoto, M. Zhao, P. M. Patel, S. H. Robertson, M. Schram, P. Biassoni, A. Lazzaro, V. Lombardo, F. Palombo, S. Stracka, L. Cremaldi, R. Godang, R. Kroeger, P. Sonnek, D. J. Summers, H. W. Zhao, X. Nguyen, M. Simard, P. Taras, H. Nicholson, G. De Nardo, L. Lista, D. Monorchio, G. Onorato, C. Sciacca, G. Raven, H. L. Snoek, C. P. Jessop, K. J. Knoepfel, J. M. LoSecco, W. F. Wang, L. A. Corwin, K. Honscheid, H. Kagan, R. Kass, J. P. Morris, A. M. Rahimi, S. J. Sekula, N. L. Blount, J. Brau, R. Frey, O. Igonkina, J. A. Kolb, M. Lu, R. Rahmat, N. B. Sinev, D. Strom, J. Strube, E. Torrence, G. Castelli, N. Gagliardi, M. Margoni, M. Morandin, M. Posocco, M. Rotondo, F. Simonetto, R. Stroili, C. Voci, P. del Amo Sanchez, E. Ben-Haim, G. R. Bonneaud, H. Briand, J. Chauveau, O. Hamon, Ph. Leruste, G. Marchiori, J. Ocariz, A. Perez, J. Prendki, S. Sitt, L. Gladney, M. Biasini, E. Manoni, C. Angelini, G. Batignani, S. Bettarini, G. Calderini, M. Carpinelli, A. Cervelli, F. Forti, M. A. Giorgi, A. Lusiani, M. Morganti, N. Neri, E. Paoloni, G. Rizzo, J. J. Walsh, D. Lopes Pegna, C. Lu, J. Olsen, A. J. S. Smith, A. V. Telnov, F. Anulli, E. Baracchini, G. Cavoto, R. Faccini, F. Ferrarotto, F. Ferroni, M. Gaspero, P. D. Jackson, L. Li Gioi, M. A. Mazzoni, S. Morganti, G. Piredda, F. Renga, C. Voena, M. Ebert, T. Hartmann, H. Schröder, R. Waldi, T. Adye, B. Franek, E. O. Olaiya, F. F. Wilson, S. Emery, L. Esteve, G. Hamel de Monchenault, W. Kozanecki, G. Vasseur, Ch. Yèche, M. Zito, M. T. Allen, D. Aston, D. J. Bard, R. Bartoldus, J. F. Benitez, R. Cenci, J. P. Coleman, M. R. Convery, J. C. Dingfelder, J. Dorfan, G. P. Dubois-Felsmann, W. Dunwoodie, R. C. Field, M. Franco Sevilla, B. G. Fulsom, A. M. Gabareen, M. T. Graham, P. Grenier, C. Hast, W. R. Innes, J. Kaminski, M. H. Kelsey, H. Kim, P. Kim, M. L. Kocian, D. W. G. S. Leith, S. Li, B. Lindquist, S. Luitz, V. Luth, H. L. Lynch, D. B. MacFarlane, H. Marsiske, R. Messner, D. R. Muller, H. Neal, S. Nelson, C. P. O’Grady, I. Ofte, M. Perl, B. N. Ratcliff, A. Roodman, A. A. Salnikov, R. H. Schindler, J. Schwiening, A. Snyder, D. Su, M. K. Sullivan, K. Suzuki, S. K. Swain, J. M. Thompson, J. Va’vra, A. P. Wagner, M. Weaver, C. A. West, W. J. Wisniewski, M. Wittgen, D. H. Wright, H. W. Wulsin, A. K. Yarritu, C. C. Young, V. Ziegler, X. R. Chen, H. Liu, W. Park, M. V. Purohit, R. M. White, J. R. Wilson, M. Bellis, P. R. Burchat, A. J. Edwards, T. S. Miyashita, S. Ahmed, M. S. Alam, J. A. Ernst, B. Pan, M. A. Saeed, S. B. Zain, A. Soffer, S. M. Spanier, B. J. Wogsland, R. Eckmann, J. L. Ritchie, A. M. Ruland, C. J. Schilling, R. F. Schwitters, B. C. Wray, B. W. Drummond, J. M. Izen, X. C. Lou, F. Bianchi, D. Gamba, M. Pelliccioni, M. Bomben, L. Bosisio, C. Cartaro, G. Della Ricca, L. Lanceri, L. Vitale, V. Azzolini, N. Lopez-March, F. Martinez-Vidal, D. A. Milanes, A. Oyanguren, J. Albert, Sw. Banerjee, B. Bhuyan, H. H. F. Choi, K. Hamano, G. J. King, R. Kowalewski, M. J. Lewczuk, I. M. Nugent, J. M. Roney, R. J. Sobie, T. J. Gershon, P. F. Harrison, J. Ilic, T. E. Latham, G. B. Mohanty, E. M. T. Puccio, H. R. Band, X. Chen, S. Dasu, K. T. Flood, Y. Pan, R. Prepost, C. O. Vuosalo, and S. L. Wu
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Physics ,Nuclear and High Energy Physics ,Particle decay ,Particle physics ,Crystallography ,Muon ,Meson ,TheoryofComputation_ANALYSISOFALGORITHMSANDPROBLEMCOMPLEXITY ,Electron–positron annihilation ,Hadron ,B meson ,Context (language use) ,Lambda baryon - Abstract
The authors present a search for the decay B{sup +} {yields} {ell}{sup +}{nu}{sub {ell}} ({ell} = {tau}, {mu}, or e) in (458.9 {+-} 5.1) x 10{sup 6} B{bar B} pairs recorded with the BABAR detector at the PEP-II B-Factory. They search for these B decays in a sample of B{sup +}B{sup -} events where one B-meson is reconstructed as B{sup -} {yields} D{sup 0}{ell}{sup -}{bar {nu}}X. Using the method of Feldman and Cousins, they obtain {Beta}(B{sup +} {yields} {tau}{sup +}{nu}{sub {tau}}) = (1.7 {+-} 0.8 {+-} 0.2) x 10{sup -4}, which excludes zero at 2.3{sigma}. They interpret the central value in the context of the Standard Model and find the B meson decay constant to be f{sub B}{sup 2} = (62 {+-} 31) x 10{sup 3} MeV{sup 2}. They find no evidence for B{sup +} {yields} e{sup +}{nu}{sub e} and B{sup +} {yields} {mu}{sup +}{nu}{sub {mu}} and set upper limits at the 90% C.L. {Beta}(B{sup +} {yields} e{sup +}{nu}{sub e}) < 0.8 x 10{sup -5} and {Beta}(B{sup +} {yields} {mu}{sup +}{nu}{sub {mu}}) < 1.1 x 10{sup -5}.
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- 2010
43. Search for lepton flavor violation processe+e−→eμin the energy regions=984–1060 MeVandϕ→eμdecay
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E. V. Pakhtusova, Z. K. Silagadze, V. B. Golubev, Yu. M. Shatunov, Konstantin Beloborodov, Ivan Koop, A. P. Lysenko, A.N. Skrinsky, A. V. Bergyugin, D.A. Bukin, M. N. Achasov, A. A. Korol, A. D. Bukin, A. V. Vasiljev, V. P. Druzhinin, S. I. Serednyakov, T.V. Dimova, S.V. Koshuba, and Alexander Bogdanchikov
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Physics ,Nuclear and High Energy Physics ,Particle decay ,Particle physics ,Muon ,Branching fraction ,Quark model ,High Energy Physics::Experiment ,Elementary particle ,Energy (signal processing) ,Lepton ,Dimensionless quantity - Abstract
A search for lepton-flavor-violating process e{sup +}e{sup -{yields}}e{mu} in the energy region {radical}(s)=984-1060 MeV with the SND detector at the VEPP-2M e{sup +}e{sup -} collider is reported. The model independent 90% C.L. upper limits on the e{sup +}e{sup -{yields}}e{mu} cross section, {sigma}{sub e{mu}
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- 2010
44. Measurement of branching fractions ofBdecays toK1(1270)πandK1(1400)πand determination of the CKM angleαfromB0→a1(1260)±π∓
- Author
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R. Bartoldus, Ch Yèche, Maria Roberta Monge, P. Patteri, J. A. McKenna, E. Paoloni, J. F. Benitez, J. Firmino Da Costa, X. R. Chen, M. Lo Vetere, X. Prudent, S. Paramesvaran, M. Barrett, A. J. Edwards, Y. Karyotakis, P. Lund, Roberto Calabrese, M. Bondioli, B. G. Fulsom, M. Munerato, Heiko Lacker, Hyun-Chul Kim, Elisa Guido, J. L. Ritchie, P. C. Bloom, S. Stracka, I. L. Osipenkov, K. Suzuki, G. Della Ricca, Marcello Rotondo, M. Sigamani, M. Verderi, A. Calcaterra, H. Atmacan, J. Ocariz, A. Jawahery, K. Mishra, A. Lazzaro, Colin Jessop, V. P. Lombardo, R. J. Wilson, Chunhui Chen, L. M. Cremaldi, G. Cibinetto, R. Prepost, Y. B. Pan, R. Kowalewski, J. R. Fry, G. Sciolla, Z. J. Guo, H. Nicholson, H. Kagan, R. Nogowski, M. Ebert, A. M. Ruland, S. K. Swain, J. Chauveau, M. K. Sullivan, Bruce Schumm, J. W. Gary, C. H. Cheng, D. A. Milanes, T. E. Latham, A. Cecchi, Roger Barlow, Martino Margoni, V. Klose, S. H. Robertson, D. P. Stoker, C. Cartaro, R. de Sangro, S. L. Wu, F. Renga, T. S. Miyashita, D. Dujmic, M. L. Perl, S. Emery, M. J. Charles, Herbert Koch, D. G. Hitlin, P. Franchini, S. Nelson, S. Pacetti, R. Cowan, Joseph Izen, H. H. F. Choi, A. P. Onuchin, S. Curry, C. J. Schilling, A. Perez, B. J. Wogsland, Matteo Negrini, M. Weaver, Elisa Manoni, F. Fang, W. H. Toki, G. Mancinelli, G. M. Vitug, Denis Derkach, A. Roodman, A. J. Martinez, F. Di Lodovico, D. E. Hutchcroft, Bernard Aubert, R. Baldini-Ferroli, Douglas Wright, C. Dallapiccola, K. Yu Todyshev, M. H. Schune, U. Uwer, S. B. Zain, I. Narsky, M. T. Graham, E. Fioravanti, I. Bingham, Nicola Neri, D. J. Payne, J. Schwiening, D. Kirkby, G. Vasseur, R. Andreassen, J. M. LoSecco, H. R. Band, A. M. Eisner, G. De Nardo, J. E. Watson, E. Torrence, R. Stroili, Roland Waldi, L. Bosisio, V. E. Blinov, F. Ferroni, X. C. Lou, V. Ziegler, W. S. Lockman, K. Tackmann, T. Schalk, J. J. Walsh, A. M. Rahimi, U. Nauenberg, Prafulla Kumar Behera, M. Pelliccioni, B. Franek, N. B. Sinev, L. O. Winstrom, Andrei Gritsan, C. Lu, J. Serrano, R. Frey, M. A. Mazzoni, G. Wormser, M. H. Kelsey, R. Cenci, G. Hamel de Monchenault, Corrado Angelini, B. Bhuyan, D. Lopes Pegna, Paul Fraser Harrison, Silvano Tosi, D. N. Brown, C. Campagnari, C. O. Vuosalo, L. Dong, A. Zallo, F. U. Bernlochner, J. Ilic, O. Hamon, G. J. King, M. R. Convery, P. M. Patel, J. P. Morris, T. Schroeder, C. A. Heusch, A. D'Orazio, D. S. Bailey, V. P. Druzhinin, B. C. Wray, U. Mallik, Stephen Robert Wagner, J. M. Tuggle, A. E. Rubin, A. Palano, Benjamin Henry Hooberman, G. R. Bonneaud, N. Lopez-March, M. J. Lewczuk, S. Playfer, C. P. O'Grady, Akram Khan, G. D. Lafferty, M. V. Purohit, J. Albert, M. Battaglia, I. Ofte, C. Bozzi, E. I. Rosenberg, K. Honscheid, K. R. Schubert, L. A. Corwin, L. Li Gioi, S. Schenk, J. P. Coleman, W. Dunwoodie, F. Anulli, E. Latour, Alessandro Gaz, M. Wittgen, Eleonora Luppi, C. A. Chavez, M. Carpinelli, A. V. Telnov, C. M. Hawkes, D. Su, Shawn Wesley Henderson, Lianqi Wang, A. P. Wagner, Mauro Morandin, Maurizio Biasini, Maurizio Martinelli, W. Park, B. Malaescu, Y. Y. Gao, A. Hafner, A. A. Salnikov, J. Kaminski, A. G. Denig, C. Voci, Owen Rosser Long, A. Seiden, M. Posocco, M. Piccolo, M. T. Allen, I. M. Nugent, J. Garra Tico, H. Jasper, J. Kroseberg, D. A. Doll, V. Sordini, G. Cavoto, R. K. Yamamoto, D. W. G. S. Leith, P. H. Fisher, S. M. Spanier, J. M. Roney, J. E. Brau, Crisostomo Sciacca, D. Aston, G. B. Mohanty, J. A. Ernst, G. Batignani, G. Rizzo, M. Zhao, Luca Lista, E. C. Martin, E. Salvati, M. J. Kobel, Matteo Rama, A. Petzold, C. A. West, M. Davier, H. A. Neal, D. Monorchio, Olga Igonkina, M. Mandelkern, L. Sun, Alberto Cervelli, N. Gagliardi, J. G. Smith, E. M.T. Puccio, T. Piatenko, N. L. Blount, E. Ben-Haim, H. W. Zhao, A. C. Wren, J. Béquilleux, J. A. Kolb, J. P. Burke, A. M. Gabareen, G. Calderini, W. T. Ford, P. D. Dauncey, K. Wacker, T. Hartmann, Adrian John Bevan, A. Oyanguren, H. Schröder, Mirco Andreotti, Yu. G. Kolomensky, A. R. Buzykaev, S. Luitz, Tim Adye, R. D. Kass, H. Marsiske, W. F. Wang, A. Volk, E. Grauges, Mario Giorgi, B. Pan, S. Morganti, M. Lu, Sridhara Dasu, W. T. Meyer, I. M. Peruzzi, C. Touramanis, S. Sitt, P. Biassoni, Hung-wen Liu, V. Poireau, Z. Yasin, M. Bellis, E. Feltresi, Enrico Robutti, P. Ongmongkolkul, Kenji Hamano, A. M. Lutz, E. O. Olaiya, M. A. Saeed, R. Rahmat, M. Schram, F. Palombo, T. W. Beck, S. I. Serednyakov, A. Petrella, F. Bianchi, W. J. Wisniewski, Vivek Sharma, James D. Olsen, T. S. Mattison, James R. Wilson, H. Briand, L. T. Kerth, C. Hast, S. Passaggio, D. J. Lange, G. Piredda, S. Prell, M. Morii, T. J. Gershon, V. Azzolini, Aidan Randle-Conde, G. Eigen, G. Jackson, J. Prendki, W. Kozanecki, E. Prencipe, R. Contri, G. Castelli, J. Dorfan, T. M. Hong, A. Adametz, R. Messner, J. Strube, L. Piemontese, V. Lepeltier, Ph Leruste, N. Arnaud, E. Gabathuler, A. K. Yarritu, W. R. Innes, W. Gradl, B. Echenard, F. C. Porter, P. Taras, E. P. Solodov, D. Bernard, D. J. Asgeirsson, B. Spaan, Stephen Jacob Sekula, A. D. Bukin, K. E. Alwyn, P. Del Amo Sanchez, S. Bettarini, Alberto Lusiani, D. J. Bard, J. Anderson, L. Lanceri, M. Gaspero, M. Pappagallo, M. Zito, G. P. Dubois-Felsmann, R. C. Field, R. Ayad, N. Soni, J. F. Hirschauer, P. Sonnek, K. J. Knoepfel, G. Finocchiaro, V. Luth, R. Eckmann, A. Hauke, M. S. Alam, F. Simonetto, R. H. Schindler, Sw. Banerjee, A. Snyder, C. K. Clarke, F. F. Wilson, R. Kroeger, A. T. Watson, Dmytro Kovalskyi, F. Liu, C. Hearty, J. P. Lees, M. Spitznagel, D. J. Summers, P. J. Clark, B. N. Ratcliff, M. Tibbetts, R. Schwierz, M. Bomben, R. J. Sobie, C. Voena, L. Vitale, F. Martinez-Vidal, Dominik Müller, J. M. Thompson, D. Bettoni, Q. K. Wong, Paul Jackson, V. Santoro, R. Godang, L. Gladney, C. C. Young, M. A. Mazur, J. Merkel, E. Baracchini, H. L. Lynch, V. B. Golubev, B. Lindquist, D. H. Wright, C. Patrignani, R. Faccini, Shu Li, V. Tisserand, S. Pruvot, F. Ferrarotto, A. J. Lankford, H. W. Wulsin, D. M. Strom, F. Le Diberder, K. S. Chaisanguanthum, Yu I. Skovpen, J. D. Richman, M. Morganti, T. Lueck, Gabriele Simi, C. L. Davis, R. Gamet, T. M. Karbach, J. I. Yi, J. Marks, M. Fritsch, G. Lynch, G. A. Cowan, M. L. Kocian, A. Stocchi, P. Kim, I. Eschrich, R. M. White, M. Franco Sevilla, F. Forti, Philippe Grenier, K. T. Flood, J. C. Dingfelder, P. Roudeau, J. Va’vra, J. Cochran, S. Ahmed, D. Gamba, Maria A. Nagel, R. Sacco, T. Tanabe, H. L. Snoek, B. Stugu, G. Marchiori, A. J.S. Smith, T. J. West, M. Simard, D. A. Roberts, G. Grosdidier, R. F. Schwitters, D. B. MacFarlane, G. Onorato, B. W. Drummond, B. T. Meadows, G. Raven, M. D. Sokoloff, P. R. Burchat, V. Eyges, H. B. Crawley, Abner Soffer, and L. Esteve
- Subjects
Physics ,Nuclear and High Energy Physics ,Particle physics ,Meson ,010308 nuclear & particles physics ,Branching fraction ,Electron–positron annihilation ,01 natural sciences ,Nuclear physics ,Particle decay ,Pair production ,Pion ,0103 physical sciences ,B meson ,010306 general physics ,Dimensionless quantity - Abstract
We report measurements of the branching fractions of neutral and charged B meson decays to final states containing a K_1(1270) or K_1(1400) meson and a charged pion. The data, collected with the BABAR detector at the SLAC National Accelerator Laboratory, correspond to 454×10^6 BB pairs produced in e^+e^- annihilation. We measure the branching fractions B(B^0→K_1(1270)^+π-+K_1(1400)^+π-)=3.1_(-0.7)^(+0.8)×10^(-5) and B(B^+→K_1(1270)^0π^++K_1(1400)^0π^+)=2.9_(-1.7)^(+2.9)×10^(-5) (
- Published
- 2010
45. Measurement and interpretation of moments in inclusive semileptonic decays ¯¯¯B→Xcℓ−¯ν
- Author
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B. Aubert, Y. Karyotakis, J. P. Lees, V. Poireau, E. Prencipe, X. Prudent, V. Tisserand, J. Garra Tico, E. Grauges, M. Martinelli, A. Palano, M. Pappagallo, G. Eigen, B. Stugu, L. Sun, M. Battaglia, D. N. Brown, L. T. Kerth, Yu. G. Kolomensky, G. Lynch, I. L. Osipenkov, K. Tackmann, T. Tanabe, C. M. Hawkes, N. Soni, A. T. Watson, H. Koch, T. Schroeder, D. J. Asgeirsson, B. G. Fulsom, C. Hearty, T. S. Mattison, J. A. McKenna, M. Barrett, A. Khan, A. Randle-Conde, V. E. Blinov, A. D. Bukin, A. R. Buzykaev, V. P. Druzhinin, V. B. Golubev, A. P. Onuchin, S. I. Serednyakov, Yu. I. Skovpen, E. P. Solodov, K. Yu. Todyshev, M. Bondioli, S. Curry, I. Eschrich, D. Kirkby, A. J. Lankford, P. Lund, M. Mandelkern, E. C. Martin, D. P. Stoker, S. Abachi, C. Buchanan, H. Atmacan, J. W. Gary, F. Liu, O. Long, G. M. Vitug, Z. Yasin, L. Zhang, V. Sharma, C. Campagnari, T. M. Hong, D. Kovalskyi, M. A. Mazur, J. D. Richman, T. W. Beck, A. M. Eisner, C. A. Heusch, J. Kroseberg, W. S. Lockman, A. J. Martinez, T. Schalk, B. A. Schumm, A. Seiden, L. Wang, L. O. Winstrom, C. H. Cheng, D. A. Doll, B. Echenard, F. Fang, D. G. Hitlin, I. Narsky, T. Piatenko, F. C. Porter, R. Andreassen, G. Mancinelli, B. T. Meadows, K. Mishra, M. D. Sokoloff, P. C. Bloom, W. T. Ford, A. Gaz, J. F. Hirschauer, M. Nagel, U. Nauenberg, J. G. Smith, S. R. Wagner, R. Ayad, A. Soffer, W. H. Toki, R. J. Wilson, E. Feltresi, A. Hauke, H. Jasper, T. M. Karbach, J. Merkel, A. Petzold, B. Spaan, K. Wacker, T. Brandt, M. J. Kobel, R. Nogowski, K. R. Schubert, R. Schwierz, J. E. Sundermann, A. Volk, D. Bernard, G. R. Bonneaud, E. Latour, M. Verderi, P. J. Clark, S. Playfer, J. E. Watson, M. Andreotti, D. Bettoni, C. Bozzi, R. Calabrese, A. Cecchi, G. Cibinetto, E. Fioravanti, P. Franchini, E. Luppi, M. Munerato, M. Negrini, A. Petrella, L. Piemontese, V. Santoro, R. Baldini-Ferroli, A. Calcaterra, R. de Sangro, G. Finocchiaro, S. Pacetti, P. Patteri, I. M. Peruzzi, M. Piccolo, M. Rama, A. Zallo, R. Contri, E. Guido, M. Lo Vetere, M. R. Monge, S. Passaggio, C. Patrignani, E. Robutti, S. Tosi, K. S. Chaisanguanthum, M. Morii, A. Adametz, J. Marks, S. Schenk, U. Uwer, F. U. Bernlochner, V. Klose, H. M. Lacker, D. J. Bard, P. D. Dauncey, M. Tibbetts, P. K. Behera, M. J. Charles, U. Mallik, J. Cochran, H. B. Crawley, L. Dong, V. Eyges, W. T. Meyer, S. Prell, E. I. Rosenberg, A. E. Rubin, Y. Y. Gao, A. V. Gritsan, Z. J. Guo, N. Arnaud, J. Béquilleux, A. D’Orazio, M. Davier, D. Derkach, J. Firmino da Costa, G. Grosdidier, F. Le Diberder, V. Lepeltier, A. M. Lutz, B. Malaescu, S. Pruvot, P. Roudeau, M. H. Schune, J. Serrano, V. Sordini, A. Stocchi, G. Wormser, D. J. Lange, D. M. Wright, I. Bingham, J. P. Burke, C. A. Chavez, J. R. Fry, E. Gabathuler, R. Gamet, D. E. Hutchcroft, D. J. Payne, C. Touramanis, A. J. Bevan, C. K. Clarke, F. Di Lodovico, R. Sacco, M. Sigamani, G. Cowan, S. Paramesvaran, A. C. Wren, C. L. Davis, A. G. Denig, M. Fritsch, W. Gradl, A. Hafner, K. E. Alwyn, D. Bailey, R. J. Barlow, G. Jackson, G. D. Lafferty, T. J. West, J. I. Yi, J. Anderson, C. Chen, A. Jawahery, D. A. Roberts, G. Simi, J. M. Tuggle, C. Dallapiccola, E. Salvati, S. Saremi, R. Cowan, D. Dujmic, P. H. Fisher, S. W. Henderson, G. Sciolla, M. Spitznagel, R. K. Yamamoto, M. Zhao, P. M. Patel, S. H. Robertson, M. Schram, A. Lazzaro, V. Lombardo, F. Palombo, S. Stracka, J. M. Bauer, L. Cremaldi, R. Godang, R. Kroeger, P. Sonnek, D. J. Summers, H. W. Zhao, M. Simard, P. Taras, H. Nicholson, G. De Nardo, L. Lista, D. Monorchio, G. Onorato, C. Sciacca, G. Raven, H. L. Snoek, C. P. Jessop, K. J. Knoepfel, J. M. LoSecco, W. F. Wang, L. A. Corwin, K. Honscheid, H. Kagan, R. Kass, J. P. Morris, A. M. Rahimi, J. J. Regensburger, S. J. Sekula, Q. K. Wong, N. L. Blount, J. Brau, R. Frey, O. Igonkina, J. A. Kolb, M. Lu, R. Rahmat, N. B. Sinev, D. Strom, J. Strube, E. Torrence, G. Castelli, N. Gagliardi, M. Margoni, M. Morandin, M. Posocco, M. Rotondo, F. Simonetto, R. Stroili, C. Voci, P. del Amo Sanchez, E. Ben-Haim, H. Briand, J. Chauveau, O. Hamon, Ph. Leruste, G. Marchiori, J. Ocariz, A. Perez, J. Prendki, S. Sitt, L. Gladney, M. Biasini, E. Manoni, C. Angelini, G. Batignani, S. Bettarini, G. Calderini, M. Carpinelli, A. Cervelli, F. Forti, M. A. Giorgi, A. Lusiani, M. Morganti, N. Neri, E. Paoloni, G. Rizzo, J. J. Walsh, D. Lopes Pegna, C. Lu, J. Olsen, A. J. S. Smith, A. V. Telnov, F. Anulli, E. Baracchini, G. Cavoto, R. Faccini, F. Ferrarotto, F. Ferroni, M. Gaspero, P. D. Jackson, L. Li Gioi, M. A. Mazzoni, S. Morganti, G. Piredda, F. Renga, C. Voena, M. Ebert, T. Hartmann, H. Schröder, R. Waldi, T. Adye, B. Franek, E. O. Olaiya, F. F. Wilson, S. Emery, L. Esteve, G. Hamel de Monchenault, W. Kozanecki, G. Vasseur, Ch. Yèche, M. Zito, M. T. Allen, D. Aston, R. Bartoldus, J. F. Benitez, R. Cenci, J. P. Coleman, M. R. Convery, J. C. Dingfelder, J. Dorfan, G. P. Dubois-Felsmann, W. Dunwoodie, R. C. Field, A. M. Gabareen, M. T. Graham, P. Grenier, C. Hast, W. R. Innes, J. Kaminski, M. H. Kelsey, H. Kim, P. Kim, M. L. Kocian, D. W. G. S. Leith, S. Li, B. Lindquist, S. Luitz, V. Luth, H. L. Lynch, D. B. MacFarlane, H. Marsiske, R. Messner, D. R. Muller, H. Neal, S. Nelson, C. P. O’Grady, I. Ofte, M. Perl, B. N. Ratcliff, A. Roodman, A. A. Salnikov, R. H. Schindler, J. Schwiening, A. Snyder, D. Su, M. K. Sullivan, K. Suzuki, S. K. Swain, J. M. Thompson, J. Va’vra, A. P. Wagner, M. Weaver, C. A. West, W. J. Wisniewski, M. Wittgen, D. H. Wright, H. W. Wulsin, A. K. Yarritu, K. Yi, C. C. Young, V. Ziegler, X. R. Chen, H. Liu, W. Park, M. V. Purohit, R. M. White, J. R. Wilson, P. R. Burchat, A. J. Edwards, T. S. Miyashita, S. Ahmed, M. S. Alam, J. A. Ernst, B. Pan, M. A. Saeed, S. B. Zain, S. M. Spanier, B. J. Wogsland, R. Eckmann, J. L. Ritchie, A. M. Ruland, C. J. Schilling, R. F. Schwitters, B. C. Wray, B. W. Drummond, J. M. Izen, X. C. Lou, F. Bianchi, D. Gamba, M. Pelliccioni, M. Bomben, L. Bosisio, C. Cartaro, G. Della Ricca, L. Lanceri, L. Vitale, V. Azzolini, N. Lopez-March, F. Martinez-Vidal, D. A. Milanes, A. Oyanguren, J. Albert, Sw. Banerjee, B. Bhuyan, H. H. F. Choi, K. Hamano, G. J. King, R. Kowalewski, M. J. Lewczuk, I. M. Nugent, J. M. Roney, R. J. Sobie, T. J. Gershon, P. F. Harrison, J. Ilic, T. E. Latham, G. B. Mohanty, E. M. T. Puccio, H. R. Band, X. Chen, S. Dasu, K. T. Flood, Y. Pan, R. Prepost, C. O. Vuosalo, S. L. Wu, (Astro)-Particles Physics, Aubert, B, Karyotakis, Y, Lees, J, Poireau, V, Prencipe, E, Prudent, X, Tisserand, V, Tico, J, Grauges, E, Martinelli, M, Palano, A, Pappagallo, M, Eigen, G, Stugu, B, Sun, L, Battaglia, M, Brown, D, Kerth, L, Kolomensky, Y, Lynch, G, Osipenkov, I, Tackmann, K, Tanabe, T, Hawkes, C, Soni, N, Watson, A, Koch, H, Schroeder, T, Asgeirsson, D, Fulsom, B, Hearty, C, Mattison, T, Mckenna, J, Barrett, M, Khan, A, Randle-Conde, A, Blinov, V, Bukin, A, Buzykaev, A, Druzhinin, V, Golubev, V, Onuchin, A, Serednyakov, S, Skovpen, Y, Solodov, E, Todyshev, K, Bondioli, M, Curry, S, Eschrich, I, Kirkby, D, Lankford, A, Lund, P, Mandelkern, M, Martin, E, Stoker, D, Abachi, S, Buchanan, C, Atmacan, H, Gary, J, Liu, F, Long, O, Vitug, G, Yasin, Z, Zhang, L, Sharma, V, Campagnari, C, Hong, T, Kovalskyi, D, Mazur, M, Richman, J, Beck, T, Eisner, A, Heusch, C, Kroseberg, J, Lockman, W, Martinez, A, Schalk, T, Schumm, B, Seiden, A, Wang, L, Winstrom, L, Cheng, C, Doll, D, Echenard, B, Fang, F, Hitlin, D, Narsky, I, Piatenko, T, Porter, F, Andreassen, R, Mancinelli, G, Meadows, B, Mishra, K, Sokoloff, M, Bloom, P, Ford, W, Gaz, A, Hirschauer, J, Nagel, M, Nauenberg, U, Smith, J, Wagner, S, Ayad, R, Soffer, A, Toki, W, Wilson, R, Feltresi, E, Hauke, A, Jasper, H, Karbach, T, Merkel, J, Petzold, A, Spaan, B, Wacker, K, Brandt, T, Kobel, M, Nogowski, R, Schubert, K, Schwierz, R, Sundermann, J, Volk, A, Bernard, D, Bonneaud, G, Latour, E, Verderi, M, Clark, P, Playfer, S, Watson, J, Andreotti, M, Bettoni, D, Bozzi, C, Calabrese, R, Cecchi, A, Cibinetto, G, Fioravanti, E, Franchini, P, Luppi, E, Munerato, M, Negrini, M, Petrella, A, Piemontese, L, Santoro, V, Baldini-Ferroli, R, Calcaterra, A, de Sangro, R, Finocchiaro, G, Pacetti, S, Patteri, P, Peruzzi, I, Piccolo, M, Rama, M, Zallo, A, Contri, R, Guido, E, Lo Vetere, M, Monge, M, Passaggio, S, Patrignani, C, Robutti, E, Tosi, S, Chaisanguanthum, K, Morii, M, Adametz, A, Marks, J, Schenk, S, Uwer, U, Bernlochner, F, Klose, V, Lacker, H, Bard, D, Dauncey, P, Tibbetts, M, Behera, P, Charles, M, Mallik, U, Cochran, J, Crawley, H, Dong, L, Eyges, V, Meyer, W, Prell, S, Rosenberg, E, Rubin, A, Gao, Y, Gritsan, A, Guo, Z, Arnaud, N, Bequilleux, J, D'Orazio, A, Davier, M, Derkach, D, da Costa, J, Grosdidier, G, Le Diberder, F, Lepeltier, V, Lutz, A, Malaescu, B, Pruvot, S, Roudeau, P, Schune, M, Serrano, J, Sordini, V, Stocchi, A, Wormser, G, Lange, D, Wright, D, Bingham, I, Burke, J, Chavez, C, Fry, J, Gabathuler, E, Gamet, R, Hutchcroft, D, Payne, D, Touramanis, C, Bevan, A, Clarke, C, Di Lodovico, F, Sacco, R, Sigamani, M, Cowan, G, Paramesvaran, S, Wren, A, Davis, C, Denig, A, Fritsch, M, Gradl, W, Hafner, A, Alwyn, K, Bailey, D, Barlow, R, Jackson, G, Lafferty, G, West, T, Yi, J, Anderson, J, Chen, C, Jawahery, A, Roberts, D, Simi, G, Tuggle, J, Dallapiccola, C, Salvati, E, Saremi, S, Cowan, R, Dujmic, D, Fisher, P, Henderson, S, Sciolla, G, Spitznagel, M, Yamamoto, R, Zhao, M, Patel, P, Robertson, S, Schram, M, Lazzaro, A, Lombardo, V, Palombo, F, Stracka, S, Bauer, J, Cremaldi, L, Godang, R, Kroeger, R, Sonnek, P, Summers, D, Zhao, H, Simard, M, Taras, P, Nicholson, H, De Nardo, G, Lista, L, Monorchio, D, Onorato, G, Sciacca, C, Raven, G, Snoek, H, Jessop, C, Knoepfel, K, Losecco, J, Wang, W, Corwin, L, Honscheid, K, Kagan, H, Kass, R, Morris, J, Rahimi, A, Regensburger, J, Sekula, S, Wong, Q, Blount, N, Brau, J, Frey, R, Igonkina, O, Kolb, J, Lu, M, Rahmat, R, Sinev, N, Strom, D, Strube, J, Torrence, E, Castelli, G, Gagliardi, N, Margoni, M, Morandin, M, Posocco, M, Rotondo, M, Simonetto, F, Stroili, R, Voci, C, Sanchez, P, Ben-Haim, E, Briand, H, Chauveau, J, Hamon, O, Leruste, P, Marchiori, G, Ocariz, J, Perez, A, Prendki, J, Sitt, S, Gladney, L, Biasini, M, Manoni, E, Angelini, C, Batignani, G, Bettarini, S, Calderini, G, Carpinelli, M, Cervelli, A, Forti, F, Giorgi, M, Lusiani, A, Morganti, M, Neri, N, Paoloni, E, Rizzo, G, Walsh, J, Pegna, D, Lu, C, Olsen, J, Smith, A, Telnov, A, Anulli, F, Baracchini, E, Cavoto, G, Faccini, R, Ferrarotto, F, Ferroni, F, Gaspero, M, Jackson, P, Li Gioi, L, Mazzoni, M, Morganti, S, Piredda, G, Renga, F, Voena, C, Ebert, M, Hartmann, T, Schroder, H, Waldi, R, Adye, T, Franek, B, Olaiya, E, Wilson, F, Emery, S, Esteve, L, de Monchenault, G, Kozanecki, W, Vasseur, G, Yeche, C, Zito, M, Allen, M, Aston, D, Bartoldus, R, Benitez, J, Cenci, R, Coleman, J, Convery, M, Dingfelder, J, Dorfan, J, Dubois-Felsmann, G, Dunwoodie, W, Field, R, Gabareen, A, Graham, M, Grenier, P, Hast, C, Innes, W, Kaminski, J, Kelsey, M, Kim, H, Kim, P, Kocian, M, Leith, D, Li, S, Lindquist, B, Luitz, S, Luth, V, Lynch, H, Macfarlane, D, Marsiske, H, Messner, R, Muller, D, Neal, H, Nelson, S, O'Grady, C, Ofte, I, Perl, M, Ratcliff, B, Roodman, A, Salnikov, A, Schindler, R, Schwiening, J, Snyder, A, Su, D, Sullivan, M, Suzuki, K, Swain, S, Thompson, J, Va'Vra, J, Wagner, A, Weaver, M, West, C, Wisniewski, W, Wittgen, M, Wulsin, H, Yarritu, A, Yi, K, Young, C, Ziegler, V, Chen, X, Liu, H, Park, W, Purohit, M, White, R, Wilson, J, Burchat, P, Edwards, A, Miyashita, T, Ahmed, S, Alam, M, Ernst, J, Pan, B, Saeed, M, Zain, S, Spanier, S, Wogsland, B, Eckmann, R, Ritchie, J, Ruland, A, Schilling, C, Schwitters, R, Wray, B, Drummond, B, Izen, J, Lou, X, Bianchi, F, Gamba, D, Pelliccioni, M, Bomben, M, Bosisio, L, Cartaro, C, Della Ricca, G, Lanceri, L, Vitale, L, Azzolini, V, Lopez-March, N, Martinez-Vidal, F, Milanes, D, Oyanguren, A, Albert, J, Banerjee, S, Bhuyan, B, Choi, H, Hamano, K, King, G, Kowalewski, R, Lewczuk, M, Nugent, I, Roney, J, Sobie, R, Gershon, T, Harrison, P, Ilic, J, Latham, T, Mohanty, G, Puccio, E, Band, H, Dasu, S, Flood, K, Pan, Y, Prepost, R, Vuosalo, C, Wu, S, and Universitat de Barcelona
- Subjects
Semileptonic decay ,Physics ,Nuclear and High Energy Physics ,Particle physics ,Muon ,Meson ,010308 nuclear & particles physics ,Bar (music) ,Electron–positron annihilation ,Hadron ,High Energy Physics::Phenomenology ,01 natural sciences ,Nuclear physics ,Particle decay ,0103 physical sciences ,B meson ,High Energy Physics::Experiment ,010306 general physics ,Nuclear Experiment ,Física de partícules ,Experiments - Abstract
We present results for the moments of observed spectra in inclusive semileptonic B-meson decays to charm hadrons (B) over bar -> X(c)l(-)(nu) over bar. Moments of the hadronic-mass and the combined mass-and-energy spectra for different minimum electron or muon momenta between 0.8 and 1: 9 GeV/c are obtained from a sample of 232 X 10(6) Gamma(4S) -> B (B) over bar events, collected with the BABAR detector at the PEP-II asymmetric-energy B-meson factory at SLAC. We also present a reevaluation of the moments of electron-energy spectra and partial decay fractions B((B) over bar -> X(c)e(-)(nu) over bar) for minimum electron momenta between 0.6 and 1: 5 GeV/c based on a sample of 51 X 10(6) Gamma(4S) -> B (B) over bar events. The measurements are used for the extraction of the total decay fraction, the Cabibbo-Kobayashi-Maskawa (CKM) matrix element vertical bar V-cb vertical bar, the quark masses m(b) and m(c), and four heavy-quark QCD parameters in the framework of a Heavy-Quark Expansion (HQE). We find B((B) over bar -> X(c)l(-)(nu) over bar = (10.64 +/- 0.17 +/- 0.06)% and vertical bar V-cb vertical bar = (42.05 +/- 0.45 +/- 0.70) X 10(-3).
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- 2010
46. Observation of inclusiveD*±production in the decay ofΥ(1S)
- Author
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Abner Soffer, L. Esteve, Ch Yèche, T. J. West, Elisa Guido, J. L. Ritchie, A. Stocchi, M. Verderi, I. Eschrich, Maria Roberta Monge, Dmytro Kovalskyi, J. A. McKenna, J. Chauveau, M. Simard, D. A. Roberts, Claudio Campagnari, J. P. Lees, P. del Amo Sanchez, James R. Wilson, A. Petrella, E. Paoloni, J. Firmino Da Costa, X. R. Chen, G. Grosdidier, U. Mallik, C. Cartaro, T. S. Miyashita, F. Forti, H. Schröder, V. P. Lombardo, A. Cecchi, G. Eigen, D. A. Milanes, H. H. F. Choi, S. Luitz, K. Tackmann, G. Mancinelli, T. Schalk, F. Renga, S. Pacetti, P. Patteri, R. Andreassen, Aidan Randle-Conde, W. Kozanecki, P. Kim, J. A. Kolb, S. Paramesvaran, M. A. Mazzoni, G. Wormser, H. Marsiske, Matteo Rama, Z. Yasin, Kenji Hamano, R. Rahmat, M. Barrett, B. G. Fulsom, R. Cowan, J. M. Thompson, V. Santoro, M. Bondioli, M. Munerato, Heiko Lacker, G. Della Ricca, F. Simonetto, R. H. Schindler, T. Schroeder, R. M. White, M. Franco Sevilla, S. Prell, I. L. Osipenkov, P. C. Bloom, J. P. Morris, I. Narsky, T. Piatenko, E. Torrence, M. T. Graham, G. Sciolla, James H Cochran, V. Poireau, J. E. Watson, A. P. Wagner, Mauro Morandin, W. Dunwoodie, Y. B. Pan, M. Spitznagel, D. Bailey, R. Kowalewski, B. N. Ratcliff, G. Castelli, R. Bartoldus, V. Eyges, V. B. Golubev, B. Lindquist, E. C. Martin, R. F. Schwitters, A. M. Lutz, A. Lusiani, Douglas Wright, M. J. Charles, W. J. Wisniewski, H. W. Wulsin, B. Franek, H. A. Neal, M. K. Sullivan, J. Kaminski, E. Grauges, M. Lu, S. M. Spanier, Hung-wen Liu, R. Schwierz, S. Nelson, J. F. Benitez, K. Yu Todyshev, M. H. Schune, U. Uwer, G. R. Bonneaud, S. Passaggio, D. B. MacFarlane, Chunhui Chen, S. B. Zain, G. De Nardo, R. Stroili, D. Monorchio, N. L. Blount, C. Lu, T. M. Karbach, R. Contri, Enrico Robutti, P. Ongmongkolkul, Mario Giorgi, M. Lo Vetere, X. Prudent, T. M. Hong, A. Adametz, R. Messner, H. Kagan, Philippe Grenier, Denis Derkach, R. Kroeger, E. Ben-Haim, S. H. Robertson, M. L. Perl, Z. J. Guo, Joseph Izen, A. Roodman, O. Hamon, E. Fioravanti, Roland Waldi, S. Morganti, G. Rizzo, S. Emery, V. Lepeltier, H. W. Zhao, P. D. Dauncey, T. Hartmann, Mirco Andreotti, Marcello Rotondo, M. Sigamani, D. Dujmic, A. R. Buzykaev, F. Ferroni, Sridhara Dasu, P. Taras, E. P. Solodov, J. C. Dingfelder, J. R. Fry, G. M. Vitug, J. Serrano, D. E. Hutchcroft, C. Dallapiccola, B. Echenard, L. M. Cremaldi, A. T. Watson, P. Roudeau, M. Ebert, B. C. Wray, Herbert Koch, S. Curry, C. J. Schilling, Y. Karyotakis, A. M. Ruland, S. K. Swain, A. Palano, L. A. Corwin, C. H. Cheng, D. Bernard, S. Schenk, M. Fritsch, Paul Fraser Harrison, H. R. Band, Sw. Banerjee, Elisa Manoni, K. T. Flood, A. Lazzaro, D. Su, G. Lynch, E. Feltresi, W. S. Lockman, M. Gaspero, A. Hafner, B. J. Wogsland, J. Kroseberg, L. Gladney, C. C. Young, W. T. Meyer, R. Frey, C. Hearty, M. H. Kelsey, S. Sitt, Y. Y. Gao, M. Piccolo, M. T. Allen, G. Cavoto, D. G. Hitlin, J. Ilic, R. de Sangro, S. L. Wu, P. M. Patel, M. L. Kocian, S. Bettarini, Stephen Robert Wagner, J. M. Tuggle, J. Anderson, J. Schwiening, Corrado Angelini, M. R. Convery, M. S. Dubrovin, R. Cenci, M. Battaglia, C. O. Vuosalo, A. Zallo, F. Liu, G. Batignani, S. Playfer, R. Faccini, F. Ferrarotto, A. J. Lankford, B. Bhuyan, N. Gagliardi, I. Ofte, K. R. Schubert, D. J. Summers, R. Eckmann, X. C. Lou, F. Le Diberder, J. J. Walsh, G. P. Dubois-Felsmann, N. Lopez-March, A. J. Martinez, J. D. Richman, F. Fang, W. H. Toki, M. Bellis, C. P. O'Grady, Nicola Neri, M. Mandelkern, R. C. Field, M. Tibbetts, D. Lopes Pegna, T. Lueck, Gabriele Simi, A. M. Rahimi, T. E. Latham, A. C. Wren, M. Morganti, R. Ayad, S. Stracka, Shawn Wesley Henderson, A. Khan, C. A. Heusch, R. Sacco, V. Ziegler, M. Carpinelli, A. Jawahery, G. Cibinetto, M. J. Lewczuk, C. L. Davis, J. F. Hirschauer, G. Finocchiaro, R. Gamet, Maurizio Biasini, V. P. Druzhinin, M. Bomben, D. N. Brown, A. M. Eisner, R. J. Sobie, C. Bozzi, C. Voena, L. O. Winstrom, C. K. Clarke, A. Hauke, V. Luth, M. S. Alam, H. B. Crawley, K. Honscheid, A. P. Onuchin, L. Vitale, Eleonora Luppi, W. Park, Bruce Schumm, A. G. Denig, I. M. Nugent, G. Hamel de Monchenault, B. Malaescu, F. Martinez-Vidal, C. A. Chavez, J. E. Brau, H. L. Snoek, J. Garra Tico, P. D. Jackson, A. Snyder, Owen Rosser Long, C. Voci, I. Bingham, R. K. Yamamoto, M. V. Purohit, G. D. Lafferty, Dominik Müller, J. I. Yi, J. Albert, E. Salvati, F. F. Wilson, M. Posocco, Crisostomo Sciacca, D. Aston, A. V. Telnov, A. Seiden, M. Zhao, M. Wittgen, G. B. Mohanty, J. A. Ernst, M. J. Kobel, J. Marks, M. Davier, X. Nguyen, L. Bosisio, E. I. Rosenberg, J. P. Coleman, J. Strube, G. A. Cowan, L. Li Gioi, Andrei Gritsan, L. Sun, K. Wacker, Alberto Cervelli, Colin Jessop, F. Anulli, R. Prepost, R. Godang, A. J.S. Smith, Alessandro Gaz, J. Va’vra, V. Azzolini, Yu. G. Kolomensky, Adrian John Bevan, L. Piemontese, E. Prencipe, L. Dong, H. L. Lynch, P. Lund, S. Ahmed, D. Gamba, Maria A. Nagel, M. Weaver, E. Gabathuler, R. Baldini-Ferroli, B. Spaan, A. Calcaterra, H. Atmacan, G. Onorato, B. W. Drummond, D. Kirkby, G. Vasseur, W. R. Innes, W. Gradl, T. Tanabe, F. C. Porter, D. A. Doll, D. J. Asgeirsson, A. D. Bukin, L. Lanceri, B. Stugu, B. T. Meadows, G. Raven, Stephen Jacob Sekula, M. D. Sokoloff, D. M. Strom, D. P. Stoker, P. R. Burchat, G. Marchiori, P. Franchini, A. Petzold, Matteo Negrini, M. Zito, C. A. West, P. J. Clark, D. Bettoni, Yu I. Skovpen, M. A. Mazur, J. Merkel, E. Baracchini, D. H. Wright, C. Patrignani, Shu Li, V. Tisserand, T. S. Mattison, C. Hast, D. J. Lange, G. Piredda, M. Morii, T. J. Gershon, J. P. Burke, A. Oyanguren, W. F. Wang, C. Touramanis, Maurizio Martinelli, V. Sordini, J. M. Roney, Luca Lista, J. G. Smith, E. M.T. Puccio, H. Briand, F. Di Lodovico, Bernard Aubert, D. J. Payne, U. Nauenberg, Prafulla Kumar Behera, Silvano Tosi, E. Latour, V. E. Blinov, Benjamin Henry Hooberman, D. W. G. S. Leith, P. H. Fisher, G. Calderini, A. Volk, P. Biassoni, E. O. Olaiya, M. A. Saeed, M. Schram, F. Palombo, Vivek Sharma, James D. Olsen, L. T. Kerth, H. Jasper, Olga Igonkina, A. M. Gabareen, W. T. Ford, Tim Adye, R. D. Kass, A. J. Edwards, Hyun-Chul Kim, K. Suzuki, K. Mishra, H. Nicholson, Roger Barlow, Martino Margoni, G. Jackson, Roberto Calabrese, J. Dorfan, J. Ocariz, N. Arnaud, A. K. Yarritu, B. Pan, A. Perez, J. W. Gary, I. M. Peruzzi, T. W. Beck, S. I. Serednyakov, F. Bianchi, A. E. Rubin, J. Prendki, Mario Pelliccioni, J. M. LoSecco, K. E. Alwyn, N. B. Sinev, Ph. Leruste, D. J. Bard, M. Pappagallo, N. Soni, F. U. Bernlochner, G. J. King, P. Sonnek, K. J. Knoepfel, C. M. Hawkes, and A. A. Salnikov
- Subjects
Physics ,Nuclear and High Energy Physics ,Annihilation ,Meson ,010308 nuclear & particles physics ,Branching fraction ,Electron–positron annihilation ,Hadron ,Analytical chemistry ,Resonance ,Elementary particle ,01 natural sciences ,Nuclear physics ,Particle decay ,0103 physical sciences ,010306 general physics - Abstract
We present a study of the inclusive D*(+/-) production in the decay of Y(1S) using (98.6 +/- 0.9) X 10(6) Y(2S) mesons collected with the BABAR detector at the Y(2S) resonance. Using the decay chain Y(2S) -> pi(+)pi Y-(1S), Y(1S) -> D*X-+/-, where X is unobserved, we measure the branching fraction B[Y(1S) -> D*X-+/-] = (2.52 +/- 0.13(stat) +/- 0.15(syst)% and the D*(+/-) momentum distribution in the rest frame of the Y(1S). We find evidence for an excess of D*+/- production over the expected rate from the virtual photon annihilation process Y(1S) -> gamma* -> c (c) over bar -> D*X-+/-.
- Published
- 2010
47. Searches for Lepton Flavor Violation in the Decaysτ±→e±γandτ±→μ±γ
- Author
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A. Calcaterra, H. Atmacan, A. P. Wagner, D. P. Stoker, P. Franchini, Matteo Negrini, Douglas Wright, X. R. Chen, A. J. Edwards, A. D'Orazio, M. Battaglia, A. G. Denig, J. E. Brau, E. Salvati, Colin Jessop, K. Wacker, R. H. Schindler, Yu. G. Kolomensky, M. R. Convery, S. K. Swain, Matteo Rama, C. Hearty, Maurizio Martinelli, S. Paramesvaran, R. Prepost, G. Jackson, R. Nogowski, S. H. Robertson, P. Kim, M. Carpinelli, Herbert Koch, M. Bondioli, M. Munerato, Heiko Lacker, C. J. Schilling, Elisa Guido, J. Prendki, Maurizio Biasini, O. Hamon, A. A. Salnikov, A. Soffer, D. Gamba, Maria A. Nagel, V. Eyges, C. C. Young, S. Prell, V. Sordini, J. M. Roney, D. H. Wright, Luca Lista, S. Curry, B. Malaescu, V. B. Golubev, A. Stocchi, F. U. Bernlochner, K. T. Flood, K. Tackmann, T. Schalk, A. Volk, S. B. Zain, Lianqi Wang, M. A. Mazzoni, Mohammad Alam Saeed, G. Wormser, D. J. Summers, William T. Ford, P. J. Clark, H. Briand, C. A. West, E. Baracchini, G. J. King, J. G. Smith, M. Tibbetts, James H Cochran, V. Poireau, P. Biassoni, R. Baldini-Ferroli, E. M.T. Puccio, I. Eschrich, L. A. Corwin, T. M. Karbach, Chunhui Chen, T. Tanabe, E. O. Olaiya, D. Kirkby, S. Nelson, Bruce Schumm, Owen Rosser Long, A. Seiden, G. B. Mohanty, D. Bettoni, B. Stugu, M. Bomben, R. J. Sobie, M. Lo Vetere, X. Prudent, J. P. Burke, C. Voena, M. T. Allen, Mauro Morandin, Ph Leruste, E. Fioravanti, M. Schram, R. Sacco, N. Arnaud, F. Palombo, Vivek Sharma, J. Schwiening, P. Grenier, A. M. Gabareen, C. Campagnari, A. M. Eisner, F. Di Lodovico, Bernard Aubert, Y. Y. Gao, M. Piccolo, R. M. White, A. Oyanguren, G. Marchiori, R. F. Schwitters, R. Andreassen, H. Schröder, L. Sun, Roland Waldi, T. Schroeder, C. O. Vuosalo, James D. Olsen, L. Vitale, F. Martinez-Vidal, A. Zallo, Alberto Cervelli, C. M. Hawkes, D. J. Payne, R. Godang, U. Nauenberg, G. Rizzo, J. Chauveau, A. Lusiani, W. F. Wang, M. V. Purohit, J. F. Hirschauer, Prafulla Kumar Behera, T. S. Miyashita, G. Batignani, G. Eigen, L. O. Winstrom, H. L. Snoek, V. Ziegler, X. Nguyen, J. A. McKenna, J. P. Morris, Adrian John Bevan, L. Gladney, G. Finocchiaro, C. Hast, A. Palano, I. M. Peruzzi, L. T. Kerth, P. C. Bloom, F. Ferroni, B. G. Fulsom, M. Lu, S. Schenk, R. Messner, Silvano Tosi, L. Bosisio, A. Petzold, R. Faccini, F. Ferrarotto, A. J. Lankford, M. Mandelkern, D. B. MacFarlane, A. Lazzaro, F. Forti, V. E. Blinov, G. Della Ricca, M. Bellis, Eleonora Luppi, M. Perl, F. Le Diberder, E. Ben-Haim, Y. Karyotakis, Andrei Gritsan, A. C. Wren, D. Su, F. Renga, C. P. O’Grady, Y. B. Pan, Roberto Calabrese, T. W. Beck, S. I. Serednyakov, F. Bianchi, Enrico Robutti, P. Ongmongkolkul, C. Touramanis, G. Vasseur, H. Marsiske, R. Kowalewski, M. Gaspero, Dmytro Kovalskyi, S. Ahmed, Benjamin Henry Hooberman, A. Hafner, G. Hamel de Monchenault, G. R. Bonneaud, M. Wittgen, A. E. Rubin, E. Latour, Mario Pelliccioni, F. Simonetto, K. Suzuki, F. Liu, J. P. Lees, T. M. Hong, J. Serrano, M. A. Mazur, J. Merkel, A. Adametz, J. Ocariz, P. H. Fisher, J. Kroseberg, G. Cavoto, David Hutchcroft, T. Piatenko, T. Lueck, R. Bartoldus, U. Mallik, M. S. Alam, V. P. Lombardo, J. Albert, C. Lindsay, H. W. Wulsin, J. C. Dingfelder, S. Luitz, Gabriele Simi, Paul Fraser Harrison, J. W. Gary, J. I. Yi, K. Yu Todyshev, M. H. Schune, U. Uwer, R. Stroili, Denis Derkach, C. L. Davis, R. Gamet, J. L. Ritchie, J. Marks, G. Calderini, E. Grauges, A. Cecchi, T. E. Latham, E. I. Rosenberg, J. P. Coleman, G. De Nardo, Maria Roberta Monge, N. Gagliardi, J. R. Wilson, A. Roodman, G. A. Cowan, F. Anulli, Marcello Rotondo, Mario Giorgi, R. C. Field, S. Morganti, A. J.S. Smith, K. E. Alwyn, C. Patrignani, M. Sigamani, X. C. Lou, F. F. Wilson, J. J. Walsh, C. Lu, M. J. Charles, H. Kagan, R. Kroeger, P. Taras, E. P. Solodov, M. Weaver, J. M. Thompson, Paul Jackson, V. Tisserand, Alessandro Gaz, P. Patteri, D. J. Bard, B. Franek, H. H. F. Choi, A. M. Rahimi, Sridhara Dasu, S. Sitt, H. Neal, M. Verderi, A. T. Watson, V. Santoro, E. Paoloni, J. Firmino Da Costa, P. M. Patel, B. Pan, J. M. LoSecco, Stephen Robert Wagner, J. M. Tuggle, L. M. Cremaldi, R. Frey, M. Pappagallo, W. Park, M. Franco Sevilla, Aidan Randle-Conde, D. R. Muller, G. P. Dubois-Felsmann, M. Barrett, D. N. Brown, D. Dujmic, Elisa Manoni, E. Feltresi, K. R. Schubert, J. Ilic, S. Stracka, A. Jawahery, N. B. Sinev, N. Soni, Jose F Benitez, S. Playfer, M. H. Kelsey, P. Sonnek, K. J. Knoepfel, V. Azzolini, G. Cibinetto, G. Onorato, B. W. Drummond, L. Esteve, W. J. Wisniewski, J. R. Fry, M. Morganti, G. Castelli, E. Prencipe, Sw. Banerjee, C. H. Cheng, I. L. Osipenkov, Hanzhe Liu, Shawn Wesley Henderson, L. Dong, A. P. Onuchin, B. N. Ratcliff, G. D. Lafferty, B. T. Meadows, G. Raven, I. Bingham, R. de Sangro, J. Dorfan, B. Lindquist, C. Cartaro, A. V. Telnov, I. M. Nugent, J. Garra Tico, M. Fritsch, M. D. Sokoloff, J. A. Kolb, B. Spaan, D. W. G. S. Leith, H. B. Crawley, R. K. Yamamoto, G. Lynch, F. Fang, W. H. Toki, D. M. Strom, M. L. Kocian, M. Zhao, C. A. Heusch, A. D. Bukin, P. Del Amo Sanchez, W. Kozanecki, W. Dunwoodie, T. J. West, D. A. Doll, M. Davier, C. K. Clarke, M. Zito, L. Lanceri, D. G. Hitlin, M. Simard, D. A. Roberts, M. J. Lewczuk, J. Strube, M. Spitznagel, G. Grosdidier, Yu I. Skovpen, G. M. Vitug, A. M. Ruland, T. Hartmann, A. Perez, A. M. Lutz, R. Schwierz, L. Piemontese, S. Passaggio, Sau Lan Wu, G. Sciolla, C. Dallapiccola, J. D. Richman, W. T. Meyer, Z. J. Guo, Joseph Izen, E. Gabathuler, R. Cenci, H. R. Band, W. S. Lockman, A. J. Martinez, W. Gradl, F. C. Porter, P. R. Burchat, R. Eckmann, M. K. Sullivan, C. Voci, D. J. Asgeirsson, Stephen Jacob Sekula, J. A. Ernst, Nicola Neri, T. S. Mattison, D. J. Lange, G. Piredda, Crisostomo Sciacca, Ch. Yèche, M. Morii, M. T. Graham, M. J. Kobel, D. Aston, T. J. Gershon, D. A. Milanes, J. Va’vra, N. Lopez-March, S. Pacetti, R. Cowan, I. Narsky, J. E. Watson, S. M. Spanier, Corrado Angelini, B. Bhuyan, D. Lopes Pegna, S. Emery, A. K. Yarritu, A. Khan, D. S. Bailey, V. P. Druzhinin, C. Bozzi, B. J. Wogsland, K. Honscheid, C. A. Chavez, M. Posocco, E. C. Martin, W. R. Innes, D. Monorchio, N. L. Blount, H. W. Zhao, P. D. Dauncey, Mirco Andreotti, A. R. Buzykaev, Z. Yasin, Kenji Hamano, R. Rahmat, A. Petrella, Hyun-Chul Kim, K. Mishra, H. Nicholson, Roger Barlow, Martino Margoni, L. Li Gioi, S. Bettarini, J. Anderson, H. L. Lynch, H. Jasper, Olga Igonkina, R. Ayad, I. Ofte, Tim Adye, J. Kaminski, R. D. Kass, Christopher Locke, G. Mancinelli, A. Hauke, R. Contri, B. C. Wray, V. Luth, A. Snyder, S. Li, E. Torrence, M. Ebert, V. Lepeltier, B. Echenard, D. Bernard, P. Roudeau, and P. Lund
- Subjects
Physics ,Particle physics ,010308 nuclear & particles physics ,Branching fraction ,Electron–positron annihilation ,High Energy Physics::Phenomenology ,General Physics and Astronomy ,Elementary particle ,01 natural sciences ,Particle identification ,Nuclear physics ,Particle decay ,0103 physical sciences ,CP violation ,High Energy Physics::Experiment ,B meson ,010306 general physics ,Lepton - Abstract
Searches for lepton-flavor-violating decays of a tau lepton to a lighter mass lepton and a photon have been performed with the entire data set of (963 +/- 7) x 10(6) tau decays collected by the BABAR detector near the Y(4S), Y(3S) and Y(2S) resonances. The searches yield no evidence of signals and we set upper limits on the branching fractions of B(tau(+/-) -> e(+/-)gamma) mu(+/-)gamma) < 4.4 X 10(-8) at 90% confidence level.
- Published
- 2010
48. Measurement of|Vcb|and the Form-Factor Slope inB¯→Dℓ−ν¯ℓDecays in Events Tagged by a Fully ReconstructedBMeson
- Author
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P. J. Clark, G. Jackson, Elisa Guido, J. L. Ritchie, J. Dorfan, D. Bettoni, Colin Jessop, R. Prepost, Gabriele Simi, C. L. Davis, R. Gamet, B. J. Wogsland, M. L. Perl, Z. J. Guo, R. Nogowski, J. A. Kolb, R. Eckmann, Joseph Izen, Corrado Angelini, B. Bhuyan, N. Arnaud, J. Schwiening, A. K. Yarritu, R. Andreassen, R. Godang, M. A. Mazur, E. Baracchini, D. H. Wright, H. Marsiske, X. C. Lou, J. J. Walsh, A. M. Rahimi, L. Li Gioi, J. Va’vra, D. Lopes Pegna, C. Patrignani, Shu Li, M. Weaver, R. Baldini-Ferroli, D. Kirkby, G. Vasseur, T. J. West, J. P. Morris, D. S. Bailey, V. P. Druzhinin, C. Bozzi, C. K. Clarke, A. Roodman, D. N. Brown, S. H. Robertson, V. E. Blinov, B. C. Wray, H. L. Lynch, S. Pruvot, O. Hamon, G. M. Vitug, M. Simard, D. A. Roberts, E. Fioravanti, Roland Waldi, L. A. Corwin, D. Su, Y. Y. Gao, M. Piccolo, K. E. Alwyn, M. T. Allen, G. Batignani, Herbert Koch, M. Mandelkern, G. Grosdidier, A. C. Wren, S. Curry, C. J. Schilling, S. Ahmed, F. Ferroni, D. Gamba, Maria A. Nagel, K. Honscheid, A. Stocchi, J. R. Fry, J. M. Bauer, C. Dallapiccola, Ph. Leruste, D. J. Bard, D. M. Strom, G. Sciolla, K. S. Chaisanguanthum, J. Serrano, C. A. Chavez, I. Eschrich, T. Piatenko, G. D. Lafferty, A. M. Lutz, Abner Soffer, W. J. Wisniewski, Matteo Rama, H. R. Band, J. Chauveau, Paul Fraser Harrison, C. H. Cheng, Maurizio Martinelli, B. Stugu, Douglas Wright, P. M. Patel, W. S. Lockman, N. Soni, S. Sitt, E. Grauges, Stephen Robert Wagner, J. M. Tuggle, P. del Amo Sanchez, P. Sonnek, K. J. Knoepfel, Ch Yèche, S. Paramesvaran, R. J. Barlow, S. Passaggio, S. Prell, V. Ziegler, Yu I. Skovpen, V. B. Golubev, Mario Giorgi, R. de Sangro, G. Marchiori, M. Bondioli, D. W. G. S. Leith, S. L. Wu, S. Morganti, F. Forti, X. R. Chen, K. R. Schubert, M. R. Convery, B. Pan, A. Perez, M. Posocco, B. Lindquist, James H Cochran, V. Poireau, M. Morganti, I. M. Peruzzi, M. Munerato, Heiko Lacker, R. F. Schwitters, Sridhara Dasu, T. E. Latham, L. Gladney, F. Fang, D. B. MacFarlane, Marcello Rotondo, M. Sigamani, T. M. Karbach, Shawn Wesley Henderson, P. H. Fisher, W. H. Toki, R. Faccini, F. Ferrarotto, A. J. Lankford, F. Le Diberder, Maria Roberta Monge, J. J. Regensburger, F. Simonetto, R. H. Schindler, V. Sordini, N. Lopez-March, J. D. Richman, Bruce Schumm, T. W. Beck, S. I. Serednyakov, F. Bianchi, E. Feltresi, A. Petrella, Chunhui Chen, R. J. Wilson, A. Lusiani, I. M. Nugent, J. Garra Tico, E. Paoloni, A. M. Eisner, H. W. Wulsin, J. M. Roney, P. D. Jackson, G. Calderini, J. Firmino Da Costa, L. O. Winstrom, R. K. Yamamoto, G. Onorato, B. W. Drummond, A. E. Rubin, J. Prendki, Mario Pelliccioni, J. I. Yi, M. Fritsch, M. Zhao, L. M. Cremaldi, R. Bartoldus, M. Ebert, E. I. Rosenberg, J. P. Coleman, A. Palano, S. Schenk, A. D'Orazio, Luca Lista, G. Hamel de Monchenault, G. Lynch, F. Anulli, G. A. Cowan, M. Verderi, B. T. Meadows, M. Davier, R. Cenci, C. Campagnari, C. O. Vuosalo, V. Eyges, G. Raven, M. J. Charles, L. Bosisio, M. Battaglia, J. F. Benitez, I. Ofte, G. Rizzo, A. Hafner, Alessandro Gaz, P. Patteri, M. L. Kocian, J. Kroseberg, G. Cavoto, David Hutchcroft, Andrei Gritsan, R. Kroeger, M. D. Sokoloff, D. A. Milanes, M. V. Purohit, P. Kim, F. Renga, P. R. Burchat, T. M. Hong, E. Ben-Haim, M. Barrett, R. M. White, M. Franco Sevilla, A. M. Ruland, S. K. Swain, J. Albert, G. R. Bonneaud, J. Béquilleux, M. Lo Vetere, James R. Wilson, J. A. McKenna, A. Zallo, L.M. Zhang, U. Mallik, N. Gagliardi, M. Wittgen, A. T. Watson, X. Prudent, J. G. Smith, I. L. Osipenkov, A. G. Denig, S. Pacetti, Philippe Grenier, L. Esteve, J. E. Brau, K. T. Flood, William T. Ford, I. Narsky, M. T. Graham, M. Lu, A. Adametz, R. Messner, D. G. Hitlin, C. Cartaro, S. Saremi, Aidan Randle-Conde, Dmytro Kovalskyi, F. Liu, J. C. Dingfelder, E. M.T. Puccio, E. Salvati, R. Sacco, P. Roudeau, Y. Karyotakis, S. Stracka, Hung-wen Liu, C. Hearty, W. Kozanecki, A. Jawahery, Enrico Robutti, G. Cibinetto, J. E. Watson, J. Merkel, J. P. Lees, T. S. Miyashita, H. L. Snoek, V. Tisserand, Eleonora Luppi, W. Park, P. Taras, E. P. Solodov, E. C. Martin, A. J. Martinez, H. A. Neal, D. Monorchio, A. P. Onuchin, I. Bingham, C. A. Heusch, Nicola Neri, M. J. Lewczuk, K. Tackmann, G. Castelli, J. M. Thompson, Yu. G. Kolomensky, M. K. Sullivan, N. L. Blount, H. W. Zhao, V. Klose, A. J.S. Smith, P. D. Dauncey, T. Hartmann, D. J. Summers, B. G. Fulsom, T. Schalk, V. Santoro, M. Gaspero, M. A. Mazzoni, G. Wormser, C. Voci, H. Briand, Lianqi Wang, M. Tibbetts, P. Lund, Mirco Andreotti, M. Bomben, Crisostomo Sciacca, D. Aston, G. Eigen, A. R. Buzykaev, A. P. Wagner, Mauro Morandin, M. J. Kobel, A. Calcaterra, H. Atmacan, P. C. Bloom, R. J. Sobie, C. Voena, T. Schroeder, L. Vitale, F. Martinez-Vidal, Dominik Müller, F. Di Lodovico, Bernard Aubert, A. Lazzaro, W. Dunwoodie, A. Volk, E. O. Olaiya, M. A. Saeed, D. P. Stoker, M. Schram, F. Palombo, J. Kaminski, Vivek Sharma, P. Franchini, Matteo Negrini, James D. Olsen, K. Yu Todyshev, M. H. Schune, L. T. Kerth, S. M. Spanier, D. J. Payne, Q. K. Wong, R. Stroili, U. Nauenberg, Prafulla Kumar Behera, Silvano Tosi, K. Wacker, E. Latour, R. C. Field, Roberto Calabrese, J. F. Hirschauer, G. Finocchiaro, V. Luth, M. S. Alam, J. Ocariz, V. P. Lombardo, A. Snyder, F. F. Wilson, J. W. Gary, A. Cecchi, J. M. LoSecco, N. B. Sinev, M. Spitznagel, B. N. Ratcliff, F. U. Bernlochner, H. H. F. Choi, G. J. King, S. Emery, R. Schwierz, C. M. Hawkes, A. A. Salnikov, M. Zito, C. C. Young, W. T. Meyer, V. Azzolini, E. Prencipe, L. Dong, B. Spaan, S. Bettarini, J. Anderson, A. D. Bukin, G. P. Dubois-Felsmann, R. Ayad, A. Hauke, H. Schröder, S. Luitz, Z. Yasin, Kenji Hamano, L. Lanceri, R. Rahmat, R. Contri, V. Lepeltier, B. Echenard, G. Della Ricca, D. Bernard, Y. B. Pan, R. Kowalewski, S. Nelson, Denis Derkach, R. Cowan, M. Carpinelli, E. Torrence, Maurizio Biasini, B. Malaescu, Owen Rosser Long, A. Seiden, G. B. Mohanty, J. A. Ernst, H. Jasper, L. Sun, Alberto Cervelli, Olga Igonkina, A. M. Gabareen, Adrian John Bevan, Tim Adye, R. D. Kass, J. P. Burke, B. Franek, R. Frey, A. Oyanguren, M. H. Kelsey, J. Ilic, A. J. Edwards, W. F. Wang, Hyun-Chul Kim, K. Suzuki, C. Touramanis, K. Mishra, J. Marks, U. Uwer, H. Nicholson, Martino Margoni, T. S. Mattison, C. Hast, D. J. Lange, G. Piredda, M. Morii, T. J. Gershon, H. Kagan, D. Dujmic, Elisa Manoni, S. Playfer, C. P. O'Grady, Akram Khan, A. V. Telnov, D. A. Doll, A. Petzold, C. A. West, S. B. Zain, G. De Nardo, C. Lu, Giampiero Mancinelli, Sw. Banerjee, T. Tanabe, M. Pappagallo, H. B. Crawley, J. Strube, L. Piemontese, E. Gabathuler, W. R. Innes, W. Gradl, F. C. Porter, D. J. Asgeirsson, and Stephen Jacob Sekula
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Physics ,Particle physics ,Meson ,010308 nuclear & particles physics ,Bar (music) ,Hadron ,Analytical chemistry ,General Physics and Astronomy ,Resonance ,01 natural sciences ,Particle identification ,Particle decay ,0103 physical sciences ,B meson ,010306 general physics ,Dimensionless quantity - Abstract
We present a measurement of the Cabibbo-Kobayashi-Maskawa matrix element vertical bar V-cb vertical bar and the form-factor slope rho(2) in (B) over bar -> Dl(-) (nu) over bar (l) decays based on 460 X 10(6) B (B) over bar events recorded at the Gamma(4S) resonance with the BABAR detector. (B) over bar -> Dl(-) (nu) over bar (l) decays are selected in events in which a hadronic decay of the second B meson is fully reconstructed. We measure B(B- -> D(0)l(-) (nu) over bar (l))/B(B- -> Xl(-) (nu) over bar (l)) = (0.255 +/- 0.009 +/- 0.009) and B((B) over bar (0) -> D(+)l(-) (nu) over bar (l))/B((B) over bar (0) -> Xl(-) (nu) over bar (l)) = (0.230 +/- 0.011 +/- 0.011), along with the differential decay distribution in (B) over bar -> Dl(-) (nu) over bar (l) decays. We then determine G(1)vertical bar V-cb vertical bar = 42.3 +/- 1.9 +/- 1.4) X 10(-3) and rho(2) = 1.20 +/- 0.09 +/- 0.04, where G(1) is the hadronic form factor at the point of zero recoil.
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- 2010
49. Observation of the decay B0bar -> LambdaC antiproton pi0
- Author
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Aubert, B., Karyotakis, Y., Lees, J.P., Poireau, V., Prencipe, E., Prudent, X., Tisserand, V., Garra Tico, J., Grauges, E., Martinelli, M., Palano, A., Pappagallo, M., Eigen, G., Stugu, B., Sun, Luyan, Battaglia, M., N. Brown, D., Hooberman, B., T. Kerth, L., G. Kolomensky, Yu., Lynch, G., L. Osipenkov, I., Tackmann, K., Tanabe, T., M. Hawkes, C., Soni, N., T. Watson, A., Koch, H., Schroeder, T., J. Asgeirsson, D., Hearty, C., S. Mattison, T., A. Mckenna, J., Barrett, M., Khan, A., Randle-Conde, A., E. Blinov, V., D. Bukin, A., R. Buzykaev, A., P. Druzhinin, V., B. Golubev, V., P. Onuchin, A., I. Serednyakov, S., I. Skovpen, Yu., P. Solodov, E., Yu. Todyshev, K., Bondioli, M., Curry, S., Eschrich, I., Kirkby, D., J. Lankford, A., Lund, P., Mandelkern, M., C. Martin, E., P. Stoker, D., Atmacan, H., W. Gary, J., Liu, Franklin, Long, O., M. Vitug, G., Yasin, Z., Sharma, V., Campagnari, C., M. Hong, T., Kovalskyi, D., A. Mazur, M., D. Richman, J., W. Beck, T., M. Eisner, A., Heusch, C.A., Kroseberg, J., S. Lockman, W., J. Martinez, A., Schalk, T., A. Schumm, B., Seiden, A., Wang, L., O. Winstrom, L., H. Cheng, C., Doll, D.A., Echenard, B., Fang, F., G. Hitlin, D., Narsky, I., Ongmongkolkul, P., Piatenko, T., C. Porter, F., Andreassen, R., Mancinelli, G., T. Meadows, B., Mishra, K., D. Sokoloff, M., C. Bloom, P., T. Ford, W., Gaz, A., F. Hirschauer, J., Nagel, M., Nauenberg, U., G. Smith, J., R. Wagner, S., Ayad, R., H. Toki, W., Feltresi, E., Hauke, A., Jasper, H., M. Karbach, T., Merkel, J., Petzold, A., Spaan, B., Wacker, K., J. Kobel, M., Nogowski, R., R. Schubert, K., Schwierz, R., Bernard , D., Latour, E., Verderi, M., J. Clark, P., Playfer, S., E. Watson, J., Andreotti, M., Bettonia, D., Bozzia, C., Calabrese, R., Cecchi, A., Cibinetto, G., Fioravanti, E., Franchini, P., Luppi, E., Munerato, M., Negrini, M., Petrella, A., Piemontesea, L., Santoro, V., Baldini-Ferroli, R., Calcaterra, A., De Sangro, R., Finocchiaro, G., Pacetti, S., Patteri, P., M. Peruzzi, I., M. Piccolo, ‡, Rama, M., Zallo, A., Contri, R., Guido, E., Lo Vetere, M., R. Monge, M., Passaggioa, S., Patrignani, C., Robuttia, E., Tosi, S., Morii, M., Adametz, A., Marks, J., Schenk, S., Uwer, U., U. Bernlochner, F., M. Lacker, H., Lueck, T., Volk, A., D. Dauncey, P., Tibbetts, M., K. Behera, P., J. Charles, M., Mallik, U., Cochran, J., B. Crawley, H., Dong, L., Eyges, V., T. Meyer, W., Prell, S., I. Rosenberg, E., E. Rubin, A., Gao, Y.Y., V. Gritsan, A., J. Guo, Z., Arnaud, N., D'Orazio, A., Davier, M., Derkach, D., Firmino Da Costa, J., Grosdidier, G., Le Diberder, F., Lepeltier, V., M. Lutz, A., Malaescu, B., Roudeau, P., H. Schune, M., Serrano, J., Sordini, V., Stocchi, A., Wormser, G., J. Lange, D., M. Wright, D., Bingham, I., P. Burke, J., Chavez, C.A., R. Fry, J., Gabathuler, E., Gamet, R., E. Hutchcroft, D., J. Payne, D., Touramanis, C., J. Bevan, A., K. Clarke, C., Di Lodovico, F., Sacco, R., Sigamani, M., Cowan, G., Paramesvaran, S., C. Wren, A., L. Davis, C., G. Denig, A., Fritsch, M., Gradl, W., Hafner, A., E. Alwyn, K., Bailey, D., J. Barlow, R., Jackson, G., D. Lafferty, G., J. West, T., I. Yi, J., Anderson, J., Chen, C., Jawahery, A., Roberts, D.A., Simi, G., M. Tuggle, J., Dallapiccola, C., Salvati, E., Cowan, R., Dujmic, D., H. Fisher, P., W. Henderson, S., Sciolla, G., Spitznagel, M., K. Yamamoto, R., Zhao, M., M. Patel, P., H. Robertson, S., Schram, M., Biassoni, P., Lazzaro, A., Lombardoa, V., Palombo, F., Stracka, S., Cremaldi, L., Godang, R., Kroeger, R., Sonnek, P., J. Summers, D., W. Zhao, H., Nguyen, X., Simard, M., Taras, P., Nicholson, H., De Nardo, G., Listaa, L., Monorchio, D., Onorato, G., Sciacca, C., Raven, G., L. Snoek, H., P. Jessop, C., J. Knoepfel, K., M. Losecco, J., F. Wang, W., Corwin, L.A., Honscheid, K., Kagan, H., Kass, R., P. Morris, J., M. Rahimi, A., J. Sekula, S., L. Blount, N., Brau, J., Frey, R., Igonkina, O., A. Kolb, J., Lu, M., Rahmat, R., B. Sinev, N., Strom, D., Strube, J., Torrence, E., Castelli, G., Gagliardi, N., Margoni, M., Morandina, M., Posoccoa, M., Rotondoa, M., Simonetto, F., Stroili, R., Voci, C., Del Amo Sanchez, P., Ben-Haim, E., R. Bonneaud, G., Briand, H., Chauveau, J., Hamon, O., Leruste, Ph., Marchiori, G., Ocariz, J., Perez, A., Prendki, J., Sitt, S., Gladney, L., Biasini, M., Manoni, E., Angelini, C., Batignani, G., Bettarini, S., Calderini, G., Carpinelli, M., Cervelli, A., Forti, F., A. Giorgi, M., Lusianiac, A., Morganti, M., Neri, N., Paoloni, E., Rizzo, G., Walsha, J.J., Lopes Pegna, D., Lu, C., Olsen, J., J. S. Smith, A., V. Telnov, A., Anullia, F., Baracchini, E., Cavotoa, G., Faccini, R., Ferrarottoa, F., Ferroni, F., Gaspero, M., D. Jacksona, P., Li Gioia, L., A. Mazzonia, M., Morgantia, S., Pireddaa, G., Renga, F., Voenaa, C., Ebert, M., Hartmann, T., Schr¨oder, H., Waldi, R., Adye, T., Franek, B., O. Olaiya, E., F. Wilson, F., Emery, S., Esteve, L., Hamel De Monchenault, G., Kozanecki, W., Vasseur, G., Yèche, Ch., Zito, M., T. Allen, M., Aston, D., J. Bard, D., Bartoldus, R., F. Benitez, J., Cenci, R., P. Coleman, J., R. Convery, M., C. Dingfelder, J., Dorfan, J., P. Dubois-Felsmann, G., Dunwoodie, W., C. Field, R., Franco Sevilla, M., G. Fulsom, B., M. Gareen, A., T. Graham, M., Grenier, P., Hast, C., R. Innes, W., Kaminski, J., H. Kelsey, M., Kim, H., Kim, P., L. Kocian, M., W. G. S. Leith, D., Li, S., Lindquist, B., Luitz, S., Luth, V., L. Lynch, H., B. Macfarlane, D., Marsiske, H., Messner, R., D. R. Muller,, Neal, H., Nelson, S., P. O'Grady, C., Ofte, I., Perl, M., N. Ratcliff, B., Roodman, A., A. Salnikov, A., H. Schindler, R., Schwiening, J., Snyder, A., Su, D., K. Sullivan, M., Suzuki, K., K. Swain, S., M. Thompson, J., Va'Vra, J., P. Wagner, A., Weaver, M., West, C.A., J. Wisniewski, W., Wittgen, M., H. Wright, D., W. Wulsin, H., K. Yarritu, A., C. Young, C., Ziegler, V., R. Chen, X., Liu, Hong, Park, W., V. Purohit, M., M. White, R., R. Wilson, J., Bellis, M., R. Burchat, P., J. Edwards, A., S. Miyashita, T., Ahmed, Mohamed-Salem, S. Alam, M., A. Ernst, J., Pan, B., A. Saeed, M., B. Zain, S., Soffer, A., M. Spanier, S., J. Wogsland, B., Eckmann, R., L. Ritchie, J., M. Ruland, A., J. Schilling, C., F. Schwitters, R., C. Wray, B., W. Drummond, B., M. Izen, J., C. Lou, X., Bianchi, F., Gamba, D., Pelliccioni, M., Bomben, M., Bosisio, L., Cartaro, C., Della Ricca, G., Lanceri, L., Vitale, L., Azzolini, V., Lopez-March, N., Martinez-Vidal, F., Milanes, D.A., Oyanguren, A., Albert, J., Banerjee, Sw., Bhuyan, B., H. F. Choi, H., Hamano, K., J. King, G., Kowalewski, R., J. Lewczuk, M., M. Nugent, I., M. Roney, J., J. Sobie, R., J. Gershon, T., F. Harrison, P., Ilic, J., E. Latham, T., B. Mohanty, G., M. T. Puccio, E., R. Band, H., Chen, X., Dasu, S., T. Flood, K., Pan, Y., Prepost, R., O. Vuosalo, C., L. Wu, S., Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Laboratoire Leprince-Ringuet (LLR), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), 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 Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Pierre et Marie Curie - Paris 6 (UPMC)
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13.25.Hw, 13.60.Rj ,[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex] ,High Energy Physics - Experiment - Abstract
In a sample of 467 million $B\overline B$ pairs collected with the BABAR detector at the PEP-II collider at SLAC we have observed the decay $\overline{B}^0\rightarrow\Lambda_c^+{\overline p} \pi^0$ and measured the branching fraction to be $(1.94\pm0.17 \pm 0.14 \pm 0.50)\times 10^{-4}$, where the uncertainties are statistical, systematic, and the uncertainty on the $\Lambda_c^+\rightarrow p {K^-} \pi^+$ branching fraction, respectively. We determine an upper limit of $1.5\times 10^{-6}$ at $90\%$ C.L. for the product branching fraction ${\cal B} (\overline{B}^0\rightarrow \Sigma_c^+(2455)\overline p)\times{\cal B} (\Lambda_c^+\rightarrow p K^- \pi^+)$. Furthermore, we observe an enhancement at the threshold of the invariant mass of the baryon-antibaryon pair., Comment: 7 pages, 5 postscript figures, submitted to PRD RC
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- 2010
50. Observation of inclusive $D^{*\pm}$ production in the decay of $\Upsilon(1S)$
- Author
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Aubert, B., Karyotakis, Y., Lees, J.P., Poireau, V., Prencipe, E., Prudent, X., Tisserand, V., Garra Tico, J., Grauges, E., Martinelli, M., Palano, A., Pappagallo, M., Eigen, G., Stugu, B., Sun, Luyan, Battaglia, M., N. Brown, D., Hooberman, B., T. Kerth, L., G. Kolomensky, Yu., Lynch, G., L. Osipenkov, I., Tackmann, K., Tanabe, T., M. Hawkes, C., Soni, N., T. Watson, A., Koch, H., Schroeder, T., J. Asgeirsson, D., Hearty, C., S. Mattison, T., A. Mckenna, J., Barrett, M., Khan, A., Randle-Conde, A., E. Blinov, V., D. Bukin, A., R. Buzykaev, A., P. Druzhinin, V., B. Golubev, V., P. Onuchin, A., I. Serednyakov, S., I. Skovpen, Yu., P. Solodov, E., Yu. Todyshev, K., Bondioli, M., Curry, S., Eschrich, I., Kirkby, D., J. Lankford, A., Lund, P., Mandelkern, M., C. Martin, E., P. Stoker, D., Atmacan, H., W. Gary, J., Liu, Franklin, Long, O., M. Vitug, G., Yasin, Z., Sharma, V., Campagnari, C., M. Hong, T., Kovalskyi, D., A. Mazur, M., D. Richman, J., W. Beck, T., M. 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Wu, S., Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Laboratoire Leprince-Ringuet (LLR), Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), 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), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Pierre et Marie Curie - Paris 6 (UPMC), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, BABAR, Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), 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 Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)
- Subjects
[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex] ,13.25.Gv, 13.87.Fh, 14.65.Dw ,High Energy Physics - Experiment - Abstract
We present a study of the inclusive $D^{*\pm}$ production in the decay of $\Upsilon(1S)$ using $(98.6 \pm 0.9)\times 10^6$ $\Upsilon(2S)$ mesons collected with the BaBar detector at the $\Upsilon(2S)$ resonance. Using the decay chain $\Upsilon(2S)\to \pi^+ \pi^- \Upsilon(1S), \Upsilon(1S) \to D^{*\pm} X$, where X is unobserved, we measure the branching fraction $\BR[\Upsilon(1S)\to D^{*\pm} X] = (2.52 \pm 0.13({\rm stat}) \pm 0.15({\rm syst}))%$ and the $D^{*\pm}$ momentum distribution in the rest frame of the $\Upsilon(1S)$. We find evidence for an excess of $D^{*\pm}$ production over the expected rate from the virtual photon annihilation process $\Upsilon(1S)\to\gamma^*\to c\bar c\to D^{*\pm} X$., Comment: 8 pages, 4 postscript figures, published in PRD-RC
- Published
- 2010
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