Observation of B+→ωK+ and search for related B decays modes

被引:46
作者
Bergfeld, T [1 ]
Eisenstein, BI
Ernst, J
Gladding, GE
Gollin, GD
Hans, RM
Johnson, E
Karliner, I
Marsh, EA
Palmer, M
Selen, M
Thaler, JJ
Edwards, KW
Bellerive, A
Janicek, R
MacFarlane, DB
Patel, PM
Sadoff, AJ
Ammar, R
Baringer, P
Bean, A
Besson, D
Coppage, D
Darling, C
Davis, R
Kotov, S
Kravchenko, I
Kwak, N
Zhou, L
Anderson, S
Kubota, Y
Lee, SJ
O'Neill, JJ
Poling, R
Riehle, T
Smith, A
Alam, MS
Athar, SB
Ling, Z
Mahmood, AH
Timm, S
Wappler, F
Anastassov, A
Duboscq, JE
Fujino, D
Gan, KK
Hart, T
Honscheid, K
Kagan, H
Kass, R
机构
[1] Univ Illinois, Urbana, IL 61801 USA
[2] Carleton Univ, Ottawa, ON K1S 5B6, Canada
[3] McGill Univ, Montreal, PQ H3A 2T8, Canada
[4] Inst Particle Phys, Montreal, PQ H3A 2T8, Canada
[5] Ithaca Coll, Ithaca, NY 14850 USA
[6] Univ Kansas, Lawrence, KS 66045 USA
[7] Univ Minnesota, Minneapolis, MN 55455 USA
[8] SUNY Albany, Albany, NY 12222 USA
[9] Ohio State Univ, Columbus, OH 43210 USA
[10] Univ Oklahoma, Norman, OK 73019 USA
[11] Purdue Univ, W Lafayette, IN 47907 USA
[12] Univ Rochester, Rochester, NY 14627 USA
[13] Stanford Univ, Stanford Linear Accelerator Ctr, Stanford, CA 94309 USA
[14] So Methodist Univ, Dallas, TX 75275 USA
[15] Syracuse Univ, Syracuse, NY 13244 USA
[16] Vanderbilt Univ, Nashville, TN 37235 USA
[17] Virginia Polytech Inst & State Univ, Blacksburg, VA 24061 USA
[18] Wayne State Univ, Detroit, MI 48202 USA
[19] CALTECH, Pasadena, CA 91125 USA
[20] Univ Calif San Diego, La Jolla, CA 92093 USA
[21] Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA
[22] Univ Colorado, Boulder, CO 80309 USA
[23] Cornell Univ, Ithaca, NY 14853 USA
[24] Univ Florida, Gainesville, FL 32611 USA
[25] Harvard Univ, Cambridge, MA 02138 USA
[26] Univ Hawaii Manoa, Honolulu, HI 96822 USA
关键词
D O I
10.1103/PhysRevLett.81.272
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We have searched for two-body charmless decays of B mesons to purely hadronic exclusive final states including omega or phi mesons using data collected with the CLEO II detector. With this sample of 6.6 x 10(6) B mesons we observe a signal for the omega K+ final state, and measure a branching fraction of B(B+ --> omega K+) = (1.51(-0.6)(+0.7) +/- 0.2) X 10(-5). We also observe some evidence for the phi K* final state, and upper limits are given for 22 other decay modes. These results provide the opportunity for studies of theoretical models and physical parameters. [S0031-9007(98)06568-5].
引用
收藏
页码:272 / 276
页数:5
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