Phys. Rev. Lett.
85,
525–529
(2000)
Measurement of Charge Asymmetries in Charmless Hadronic B Meson Decays
S. Chen et al. (CLEO Collaboration)
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S. Chen1, J. Fast1, J. W. Hinson1, J. Lee1, N. Menon1, D. H. Miller1, E. I. Shibata1, I. P. J. Shipsey1, V. Pavlunin1, D. Cronin-Hennessy2, Y. Kwon2,*, A. L. Lyon2, E. H. Thorndike2, C. P. Jessop3, H. Marsiske3, M. L. Perl3, V. Savinov3, D. Ugolini3, X. Zhou3, T. E. Coan4, V. Fadeyev4, Y. Maravin4, I. Narsky4, R. Stroynowski4, J. Ye4, T. Wlodek4, M. Artuso5, R. Ayad5, C. Boulahouache5, K. Bukin5, E. Dambasuren5, S. Karamnov5, S. Kopp5, G. Majumder5, G. C. Moneti5, R. Mountain5, S. Schuh5, T. Skwarnicki5, S. Stone5, G. Viehhauser5, J. C. Wang5, A. Wolf5, J. Wu5, S. E. Csorna6, I. Danko6, K. W. McLean6, Sz. Márka6, Z. Xu6, R. Godang7, K. Kinoshita7,†, I. C. Lai7, S. Schrenk7, G. Bonvicini8, D. Cinabro8, L. P. Perera8, G. J. Zhou8, G. Eigen9, E. Lipeles9, M. Schmidtler9, A. Shapiro9, W. M. Sun9, A. J. Weinstein9, F. Würthwein2,‡, D. E. Jaffe10, G. Masek10, H. P. Paar10, E. M. Potter10, S. Prell10, V. Sharma10, D. M. Asner11, A. Eppich11, J. Gronberg11, T. S. Hill11, D. J. Lange11, R. J. Morrison11, H. N. Nelson11, R. A. Briere12, B. H. Behrens13, W. T. Ford13, A. Gritsan13, J. Roy13, J. G. Smith13, J. P. Alexander14, R. Baker14, C. Bebek14, B. E. Berger14, K. Berkelman14, F. Blanc14, V. Boisvert14, D. G. Cassel14, M. Dickson14, P. S. Drell14, K. M. Ecklund14, R. Ehrlich14, A. D. Foland14, P. Gaidarev14, L. Gibbons14, B. Gittelman14, S. W. Gray14, D. L. Hartill14, B. K. Heltsley14, P. I. Hopman14, C. D. Jones14, D. L. Kreinick14, M. Lohner14, A. Magerkurth14, T. O. Meyer14, N. B. Mistry14, C. R. Ng14, E. Nordberg14, J. R. Patterson14, D. Peterson14, D. Riley14, J. G. Thayer14, P. G. Thies14, B. Valant-Spaight14, A. Warburton14, P. Avery15, C. Prescott15, A. I. Rubiera15, J. Yelton15, J. Zheng15, G. Brandenburg16, A. Ershov16, Y. S. Gao16, D. Y.-J. Kim16, R. Wilson16, T. E. Browder17, Y. Li17, J. L. Rodriguez17, H. Yamamoto17, T. Bergfeld18, B. I. Eisenstein18, J. Ernst18, G. E. Gladding18, G. D. Gollin18, R. M. Hans18, E. Johnson18, I. Karliner18, M. A. Marsh18, M. Palmer18, C. Plager18, C. Sedlack18, M. Selen18, J. J. Thaler18, J. Williams18, K. W. Edwards19, R. Janicek20, P. M. Patel20, A. J. Sadoff21, R. Ammar22, A. Bean22, D. Besson22, R. Davis22, I. Kravchenko22, N. Kwak22, X. Zhao22, S. Anderson23, V. V. Frolov23, Y. Kubota23, S. J. Lee23, R. Mahapatra23, J. J. O'Neill23, R. Poling23, T. Riehle23, A. Smith23, J. Urheim23, S. Ahmed24, M. S. Alam24, S. B. Athar24, L. Jian24, L. Ling24, A. H. Mahmood24,§, M. Saleem24, S. Timm24, F. Wappler24, A. Anastassov25, J. E. Duboscq25, K. K. Gan25, C. Gwon25, T. Hart25, K. Honscheid25, D. Hufnagel25, H. Kagan25, R. Kass25, J. Lorenc25, T. K. Pedlar25, H. Schwarthoff25, E. von Toerne25, M. M. Zoeller25, S. J. Richichi26, H. Severini26, P. Skubic26, and A. Undrus26 (CLEO Collaboration)
1Purdue University, West Lafayette, Indiana 47907
2University of Rochester, Rochester, New York 14627
3Stanford Linear Accelerator Center, Stanford University, Stanford, California 94309
4Southern Methodist University, Dallas, Texas 75275
5Syracuse University, Syracuse, New York 13244
6Vanderbilt University, Nashville, Tennessee 37235
7Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061
8Wayne State University, Detroit, Michigan 48202
9California Institute of Technology, Pasadena, California 91125
10University of California, San Diego, La Jolla, California 92093
11University of California, Santa Barbara, California 93106
12Carnegie Mellon University, Pittsburgh, Pennsylvania 15213
13University of Colorado, Boulder, Colorado 80309-0390
14Cornell University, Ithaca, New York 14853
15University of Florida, Gainesville, Florida 32611
16Harvard University, Cambridge, Massachusetts 02138
17University of Hawaii at Manoa, Honolulu, Hawaii 96822
18University of Illinois, Urbana-Champaign, Illinois 61801
19Carleton University, Ottawa, Ontario, Canada K1S 5B6 and the Institute of Particle Physics, Canada
20McGill University, Montréal, Québec, Canada H3A 2T8 and the Institute of Particle Physics, Canada
21Ithaca College, Ithaca, New York 14850
22University of Kansas, Lawrence, Kansas 66045
23University of Minnesota, Minneapolis, Minnesota 55455
24State University of New York at Albany, Albany, New York 12222
25Ohio State University, Columbus, Ohio 43210
26University of Oklahoma, Norman, Oklahoma 73019
Received 23 December 1999; published in the issue dated 17 July 2000
We search for CP-violating charge asymmetries ( ACP ) in the B meson decays to K±π∓, K±π0, KS0π±, K±η′, and ωπ±. Using 9.66 million ϒ(4S) decays collected with the CLEO detector, the statistical precision on ACP is in the range of ±0.12 to ±0.25 depending on decay mode. While CP-violating asymmetries of up to ±0.5 are possible within the standard model, the measured asymmetries are consistent with zero in all five decay modes studied.
© 2000 The American Physical Society
URL:
http://link.aps.org/doi/10.1103/PhysRevLett.85.525
DOI:
10.1103/PhysRevLett.85.525
PACS:
13.25.Hw, 11.30.Er, 14.40.Nd
*Permanent address: Yonsei University, Seoul 120-749, Korea. †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.
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