Search for the decay B→Ds1+(2536)X

被引：10

作者：

Bishai, M ^{[1
]}

Fast, J

Hinson, JW

Menon, N

Miller, DH

Shibata, EI

Shipsey, IPJ

Yurko, M

Glenn, S

Johnson, SD

Kwon, Y

Roberts, S

Thorndike, EH

Jessop, CP

Lingel, K

Marsiske, H

Perl, ML

Savinov, V

Ugolini, D

Wang, R

Zhou, X

Toan, TE

Fadeyev, V

Korolkov, I

Maravin, Y

Narsky, I

Shelkov, V

Staeck, J

Stroynowski, R

Volobouev, I

Ye, J

Artuso, M

Azfar, F

Efimov, A

Goldberg, M

He, D

Kopp, S

Moneti, GC

Mountain, R

Schuh, S

Skwarnicki, T

Stone, S

Viehhauser, G

Xing, X

Bartel, J

Csorna, SE

Jain, V

McLean, KW

Marka, S

Godang, R

机构：

[1] Purdue Univ, W Lafayette, IN 47907 USA

[2] Univ Rochester, Rochester, NY 14627 USA

[3] Stanford Univ, Stanford Linear Accelerator Ctr, Stanford, CA 94309 USA

[4] So Methodist Univ, Dallas, TX 75275 USA

[5] Syracuse Univ, Syracuse, NY 13244 USA

[6] Vanderbilt Univ, Nashville, TN 37235 USA

[7] Virginia Polytech Inst & State Univ, Blacksburg, VA 24061 USA

[8] Wayne State Univ, Detroit, MI 48202 USA

[9] CALTECH, Pasadena, CA 91125 USA

[10] Univ Calif San Diego, La Jolla, CA 92093 USA

[11] Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA

[12] Univ Colorado, Boulder, CO 80309 USA

[13] Cornell Univ, Ithaca, NY 14853 USA

[14] Univ Florida, Gainesville, FL 32611 USA

[15] Harvard Univ, Cambridge, MA 02138 USA

[16] Univ Hawaii Manoa, Honolulu, HI 96822 USA

[17] Yonsei Univ, Seoul 120749, South Korea

[18] Brookhaven Natl Lab, Upton, NY 11973 USA

[19] Univ Texas, Austin, TX 78712 USA

[20] Univ Calif Lawrence Livermore Natl Lab, Livermore, CA 94551 USA

[21] BINP, RU-630090 Novosibirsk, Russia

[22] Univ Illinois, Urbana, IL 61801 USA

[23] Carleton Univ, Ottawa, ON K1S 5B6, Canada

[24] Inst Particle Phys, Montreal, PQ, Canada

[25] McGill Univ, Montreal, PQ H3A 2T8, Canada

[26] Ithaca Coll, Ithaca, NY 14850 USA

[27] Univ Kansas, Lawrence, KS 66045 USA

[28] Univ Minnesota, Minneapolis, MN 55455 USA

[29] SUNY Albany, Albany, NY 12222 USA

[30] Ohio State Univ, Columbus, OH 43210 USA

[31] Univ Oklahoma, Norman, OK 73019 USA

来源：

PHYSICAL REVIEW D | 1998年 / 57卷 / 07期

关键词：

D O I：

10.1103/PhysRevD.57.3847

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We have searched for the decay B-->D-s1(+)(2536)X and measured an upper limit for the inclusive branching fraction of B(B-->(D) over bar(s1)(+)X)<0.96% at the 90% confidence level. This limit is small compared with the total expected B-->(D) over bar(*)D(*)KX rate. Assuming factorization, the D-s1(+) decay constant is constrained to be f(Dsl+)<114 MeV at the 90% confidence level, at least 2.5 times smaller than that of D-s(+). [S0556-2821(98)01809-8].

引用

页码：3847 / 3853

页数：7

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