Phys. Rev. Lett. 85, 2881 - 2885 (2000)
Study of Charmless Hadronic B Meson Decays to Pseudoscalar-Vector Final States
C. P. Jessop et al. (CLEO Collaboration)
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C. P. Jessop1, H. Marsiske1, M. L. Perl1, V. Savinov1, D. Ugolini1, X. Zhou1, T. E. Coan2, V. Fadeyev2, Y. Maravin2, I. Narsky2, R. Stroynowski2, J. Ye2, T. Wlodek2, M. Artuso3, R. Ayad3, C. Boulahouache3, K. Bukin3, E. Dambasuren3, S. Karamov3, G. Majumder3, G. C. Moneti3, R. Mountain3, S. Schuh3, T. Skwarnicki3, S. Stone3, G. Viehhauser3, J. C. Wang3, A. Wolf3, J. Wu3, S. Kopp4, S. E. Csorna5, I. Danko5, K. W. McLean5, Sz. Márka5, Z. Xu5, R. Godang6, K. Kinoshita6 *, I. C. Lai6, S. Schrenk6, G. Bonvicini7, D. Cinabro7, S. McGee7, L. P. Perera7, G. J. Zhou7, E. Lipeles8, M. Schmidtler8, A. Shapiro8, W. M. Sun8, A. J. Weinstein8, F. Würthwein8 †, D. E. Jaffe9, G. Masek9, H. P. Paar9, E. M. Potter9, S. Prell9, V. Sharma9, D. M. Asner10, A. Eppich10, T. S. Hill10, R. J. Morrison10, H. N. Nelson10, R. A. Briere11, B. H. Behrens12, W. T. Ford12, A. Gritsan12, J. Roy12, J. G. Smith12, J. P. Alexander13, R. Baker13, C. Bebek13, B. E. Berger13, K. Berkelman13, F. Blanc13, V. Boisvert13, D. G. Cassel13, M. Dickson13, P. S. Drell13, K. M. Ecklund13, R. Ehrlich13, A. D. Foland13, P. Gaidarev13, L. Gibbons13, B. Gittelman13, S. W. Gray13, D. L. Hartill13, B. K. Heltsley13, P. I. Hopman13, C. D. Jones13, D. L. Kreinick13, M. Lohner13, A. Magerkurth13, T. O. Meyer13, N. B. Mistry13, E. Nordberg13, J. R. Patterson13, D. Peterson13, D. Riley13, J. G. Thayer13, P. G. Thies13, B. Valant-Spaight13, A. Warburton13, P. Avery14, C. Prescott14, A. I. Rubiera14, J. Yelton14, J. Zheng14, G. Brandenburg15, A. Ershov15, Y. S. Gao15, D. Y.-J. Kim15, R. Wilson15, T. E. Browder16, Y. Li16, J. L. Rodriguez16, H. Yamamoto16, T. Bergfeld17, B. I. Eisenstein17, J. Ernst17, G. E. Gladding17, G. D. Gollin17, R. M. Hans17, E. Johnson17, I. Karliner17, M. A. Marsh17, M. Palmer17, C. Plager17, C. Sedlack17, M. Selen17, J. J. Thaler17, J. Williams17, K. W. Edwards18,18b, R. Janicek19,19b, P. M. Patel19,19b, A. J. Sadoff20, R. Ammar21, A. Bean21, D. Besson21, R. Davis21, N. Kwak21, X. Zhao21, S. Anderson22, V. V. Frolov22, Y. Kubota22, S. J. Lee22, R. Mahapatra22, J. J. O'Neill22, R. Poling22, T. Riehle22, A. Smith22, J. Urheim22, S. Ahmed23, M. S. Alam23, S. B. Athar23, L. Jian23, L. Ling23, A. H. Mahmood23 ‡, M. Saleem23, S. Timm23, F. Wappler23, A. Anastassov24, J. E. Duboscq24, K. K. Gan24, C. Gwon24, T. Hart24, K. Honscheid24, D. Hufnagel24, H. Kagan24, R. Kass24, T. K. Pedlar24, H. Schwarthoff24, J. B. Thayer24, E. von Toerne24, M. M. Zoeller24, S. J. Richichi25, H. Severini25, P. Skubic25, A. Undrus25, S. Chen26, J. Fast26, J. W. Hinson26, J. Lee26, N. Menon26, D. H. Miller26, E. I. Shibata26, I. P. J. Shipsey26, V. Pavlunin26, D. Cronin-Hennessy27, Y. Kwon27 §, A. L. Lyon27, and E. H. Thorndike27 (CLEO Collaboration)
1Stanford Linear Accelerator Center, Stanford University, Stanford, California 94309
2Southern Methodist University, Dallas, Texas 75275
3Syracuse University, Syracuse, New York 13244
4University of Texas, Austin, Texas 78712
5Vanderbilt University, Nashville, Tennessee 37235
6Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061
7Wayne State University, Detroit, Michigan 48202
8California Institute of Technology, Pasadena, California 91125
9University of California, San Diego, La Jolla, California 92093
10University of California, Santa Barbara, California 93106
11Carnegie Mellon University, Pittsburgh, Pennsylvania 15213
12University of Colorado, Boulder, Colorado 80309-0390
13Cornell University, Ithaca, New York 14853
14University of Florida, Gainesville, Florida 32611
15Harvard University, Cambridge, Massachusetts 02138
16University of Hawaii at Manoa, Honolulu, Hawaii 96822
17University of Illinois, Urbana-Champaign, Illinois 61801
18aCarleton University, Ottawa, Ontario, Canada K1S 5B6
18band the Institute of Particle Physics, Canada
19aMcGill University, Montréal, Québec, Canada H3A 2T8
19band the Institute of Particle Physics, Canada
20Ithaca College, Ithaca, New York 14850
21University of Kansas, Lawrence, Kansas 66045
22University of Minnesota, Minneapolis, Minnesota 55455
23State University of New York at Albany, Albany, New York 12222
24Ohio State University, Columbus, Ohio 43210
25University of Oklahoma, Norman, Oklahoma 73019
26Purdue University, West Lafayette, Indiana 47907
27University of Rochester, Rochester, New York 14627
Received 30 May 2000
We report results of searches for charmless hadronic B meson decays to pseudoscalar( π±, K±, π0, or KS0)-vector( ρ, K*, or ω) final states. By using 9.7×106 BB̅ pairs collected with the CLEO detector, we report the first observation of B-→π-ρ0, B̅ 0→π±ρ∓, and B-→π-ω, which are expected to be dominated by hadronic b→u transitions. The measured branching fractions are (10.4-3.4+3.3±2.1)×10-6, (27.6-7.4+8.4±4.2)×10-6, and (11.3-2.9+3.3±1.4)×10-6, respectively. Branching fraction upper limits are set for all of the other decay modes investigated.
©2000 The American Physical Society
URL: http://link.aps.org/doi/10.1103/PhysRevLett.85.2881
DOI: 10.1103/PhysRevLett.85.2881
PACS: 13.25.Hw
* Permanent address: University of Cincinnati, Cincinnati, OH 45221.
† Permanent address: Massachusetts Institute of Technology, Cambridge, MA 02139.
‡ Permanent address: University of Texas-Pan American, Edinburg, TX 78539.
§ Permanent address: Yonsei University, Seoul 120-749, Korea.
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