Measurement of B(D0→K-π+) using partial reconstruction of (B)over-bar→D*+Xl-(ν)over-bar

被引：12

作者：

Artuso, M ^{[1
]}

Azfar, F

Efimov, A

Goldberg, M

He, D

Kopp, S

Moneti, GC

Mountain, R

Schuh, S

Skwarnicki, T

Stone, S

Viehhauser, G

Xing, X

Bartelt, J

Csorna, SE

Jain, V

McLean, KW

Marka, S

Godang, R

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

机构：

[1] Syracuse Univ, Syracuse, NY 13244 USA

[2] Vanderbilt Univ, Nashville, TN 37235 USA

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

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

[5] CALTECH, Pasadena, CA 91125 USA

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

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

[8] Univ Colorado, Boulder, CO 80309 USA

[9] Cornell Univ, Ithaca, NY 14853 USA

[10] Univ Florida, Gainesville, FL 32611 USA

[11] Harvard Univ, Cambridge, MA 02138 USA

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

[13] Univ Illinois, Urbana, IL 61801 USA

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

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

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

[17] Ithaca Coll, Ithaca, NY 14850 USA

[18] Univ Kansas, Lawrence, KS 66045 USA

[19] Univ Minnesota, Minneapolis, MN 55455 USA

[20] SUNY Albany, Albany, NY 12222 USA

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

[22] Univ Oklahoma, Norman, OK 73019 USA

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

[24] Univ Rochester, Rochester, NY 14627 USA

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

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

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

[28] Univ Texas, Austin, TX 78712 USA

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

[30] BINP, RU-630090 Novosibirsk, Russia

[31] Yonsei Univ, Seoul 120749, South Korea

来源：

PHYSICAL REVIEW LETTERS | 1998年 / 80卷 / 15期

关键词：

D O I：

10.1103/PhysRevLett.80.3193

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present a measurement of the absolute branching fraction for D-0 --> K- pi(+) using the reconstruction of the decay chain (B)over-bar --> D(*+)Xl(-)(v)over-bar, D*+ --> D-0 pi(+) when only the lepton and the low-momentum pion from the D*+ are detected. With data collected by the CLEO II detector at the Cornell Electron Storage Ring, we have determined B(D-0 --> K(-)pi(+)) = [3.81 +/- 0.15(stat) +/- 0.16(syst)]%.

引用

页码：3193 / 3197

页数：5

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