Study of B ->psi(2S) K and B ->psi(2S) K*(892) decays - art. no. 031103

Authors
Richichi, SJ Severini, H Skubic, P Undrus, A Chen, S Fast, J Hinson, JW Lee, J Miller, DH Shibata, EI Shipsey, IPJ Pavlunin, V Cronin-Hennessy, D Lyon, AL Thorndike, EH Jessop, CP Marsiske, H Perl, ML Savinov, V Zhou, X Coan, TE Fadeyev, V Maravin, Y Narsky, I Stroynowski, R Ye, J Wlodek, T Artuso, M Ayad, R Boulahouache, C Bukin, K Dambasuren, E Karamov, S Majumder, G Moneti, GC Mountain, R Schuh, S Skwarnicki, T Stone, S Viehhauser, G Wang, JC Wolf, A Wu, J Kopp, S Mahmood, AH Csorna, SE Danko, I McLean, KW Marka, S Xu, Z Godang, R Kinoshita, K Lai, IC Schrenk, S Bonvicini, G Cinabro, D McGee, S Perera, LP Zhou, GJ Lipeles, E Pappas, SP Schmidtler, M Shapiro, A Sun, WM Weinstein, AJ Wurthwein, F Jaffe, DE Masek, G Paar, HP Potter, ME Prell, S Sharma, V Asner, DM Eppich, A Hill, TS Morrison, RJ Nelson, HN Briere, RA Chen, GP Behrens, BH Ford, WT Gritsan, A Roy, J Smith, JG Alexander, JP Baker, R Bebek, C Berger, BE Berkelman, K Blanc, F Boisvert, V Cassel, DG Dickson, M Drell, PS Ecklund, KM Ehrlich, R Foland, AD Gaidarev, P Gibbons, L Gittelman, B Gray, SW Hartill, DL Heltsley, BK Hopman, PI Jones, CD Kandaswamy, J Kreinick, DL Lohner, M Magerkurth, A Meyer, TO Mistry, NB Nordberg, E Patterson, JR Peterson, D Riley, D Thayer, JG Urner, D Valant-Spaight, B Warburton, A Avery, P Prescott, C Rubiera, AI Yelton, J Zheng, J Brandenburg, G Ershov, A Gao, YS Kim, DYJ Wilson, R Browder, TE Li, Y Rodriguez, JL Yamamoto, H Bergfeld, T Eisenstein, BI Ernst, J Gladding, GE Gollin, GD Hans, RM Johnson, E Karliner, I Marsh, MA Palmer, M Plager, C Sedlack, C Selen, M Thaler, JJ Williams, J Edwards, KW Janicek, R Patel, PM Sadoff, AJ Ammar, R Bean, A Besson, D Davis, R Kwak, N Zhao, X Anderson, S Frolov, VV Kubota, Y Lee, SJ Mahapatra, R O'Neill, JJ Poling, R Riehle, T Smith, A Stepaniak, CJ Urheim, J Ahmed, S Alam, MS Athar, SB Jian, L Ling, L Saleem, M Timm, S Wappler, F Anastassov, A Duboscq, JE Eckhart, E Gan, KK Gwon, C Hart, T Honscheid, K Hufnagel, D Kagan, H Kass, R Pedlar, TK Schwarthoff, H Thayer, JB von Toerne, E Zoeller, MM
Citation
Sj. Richichi et al., Study of B ->psi(2S) K and B ->psi(2S) K*(892) decays - art. no. 031103, PHYS REV D, 6303(3), 2001, pp. 1103
Citations number
19
Language
INGLESE
art.tipo
Article
Categorie Soggetti
Physics
Journal title
PHYSICAL REVIEW D
ISSN journal
0556-2821 → ACNP
Volume
6303
Issue
3
Year of publication
2001
Database
ISI
SICI code
0556-2821(20010201)6303:3<1103:SOB-KA>2.0.ZU;2-K
Abstract
Color-suppressed decays of B mesons to final states with psi (2S) mesons ha ve been observed with the CLEO detector. The branching fractions for the de cays B+--> psi (2S)K+, B+--> psi (2S)K*(892)(+), B-0--> psi (2S)K-0, and B- 0--> psi (2S)K*(892)(0) are measured to be (7.8 +/- 0.7 +/- 0.9) x 10(-4), (9.2 +/- 1.9 +/- 1.2) x 10(-4), (5.0 +/- 1.1 +/- 0.6) x 10(-4), and (7.6 +/ - 1.1 +/- 1.0) x 10(-4), respectively, where the first uncertainty is stati stical and the second is systematic. The first measurement of the longitudi nal polarization fraction is extracted from the angular analysis of the B - -> psi (2S)K*(892) candidates: Gamma (L)/Gamma = 0.45 +/- 0.11 +/- 0.04. Ou r measurements of the decays B-0 --> psi (2s)K-0 and B+--> psi (2S)K*(892)( +) are first observations.