Observation of exclusive two-body B decays to kaons and pions

被引：74
|
作者：
Godang, R [1 ]
Kinoshita, K
Lai, IC
Pomianowski, P
Schrenk, S
Bonvicini, G
Cinabro, D
Greene, R
Perera, LP
Zhou, GJ
Chadha, M
Chan, S
Eigen, G
Miller, JS
O'Grady, C
Schmidtler, M
Urheim, J
Weinstein, AJ
Wurthwein, F
Bliss, DW
Masek, G
Paar, HP
Prell, S
Sharma, V
Asner, DM
Gronberg, J
Hill, TS
Lange, DJ
Morrison, RJ
Nelson, HN
Nelson, TK
Roberts, D
Ryd, A
Balest, R
Behrens, BH
Ford, WT
Gritsan, A
Park, H
Roy, J
Smith, JG
Alexander, JP
Baker, R
Bebek, C
Berger, BE
Berkelman, K
Bloom, K
Boisvert, V
Cassel, DG
Crowcroft, DS
Dickson, M
机构：
[1] Virginia Polytech Inst & State Univ, Blacksburg, VA 24061 USA
[2] Wayne State Univ, Detroit, MI 48202 USA
[3] CALTECH, Pasadena, CA 91125 USA
[4] Univ Calif San Diego, La Jolla, CA 92093 USA
[5] Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA
[6] Univ Colorado, Boulder, CO 80309 USA
[7] Cornell Univ, Ithaca, NY 14853 USA
[8] Univ Florida, Gainesville, FL 32611 USA
[9] Harvard Univ, Cambridge, MA 02138 USA
[10] Univ Hawaii Manoa, Honolulu, HI 96822 USA
[11] Univ Illinois, Urbana, IL 61801 USA
[12] Carleton Univ, Ottawa, ON K1S 5B6, Canada
[13] Inst Particle Phys, Montreal, PQ, Canada
[14] McGill Univ, Montreal, PQ, Canada
[15] Ithaca Coll, Ithaca, NY 14850 USA
[16] Univ Kansas, Lawrence, KS 66045 USA
[17] Univ Minnesota, Minneapolis, MN 55455 USA
[18] SUNY Albany, Albany, NY 12222 USA
[19] Ohio State Univ, Columbus, OH 43210 USA
[20] Univ Oklahoma, Norman, OK 73019 USA
[21] Purdue Univ, W Lafayette, IN 47907 USA
[22] Univ Rochester, Rochester, NY 14627 USA
[23] Stanford Univ, Stanford Linear Accelerator Ctr, Stanford, CA 94309 USA
[24] So Methodist Univ, Dallas, TX 75275 USA
[25] Syracuse Univ, Syracuse, NY 13244 USA
[26] Vanderbilt Univ, Nashville, TN 37235 USA
[27] Univ Texas, Austin, TX 78712 USA
[28] Univ Calif Lawrence Livermore Natl Lab, Livermore, CA 94551 USA
[29] BINP, RU-630090 Novosibirsk, Russia
[30] Yonsei Univ, Seoul 120749, South Korea
[31] Brookhaven Natl Lab, Upton, NY 11973 USA
来源：
PHYSICAL REVIEW LETTERS | 1998年 / 80卷 / 16期
关键词：
D O I：
10.1103/PhysRevLett.80.3456
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We have studied two-body charmless hadronic decays of B mesons into the final states pi pi, K pi and KK. Using 3.3 x 10(6) B (B) over bar pairs collected with the CLEO-II detector, we have made the first observation of the decay B-0 --> K(+)pi(-), the sum of B+ --> pi(+)pi(0) and B+ --> K(+)pi(0) decays, and see strong evidence for the decay B+ --> K-0 pi(+) (an average over charge-conjugate states is always implied). We place upper limits on branching fractions for the remaining decay modes.
引用
收藏
页码：3456 / 3460
页数：5
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