Measurement of the mass of the B-s(0) meson

被引：0
|
作者：
Abe, F
Albrow, MG
Amendolia, SR
Amidei, D
Antos, J
AnwayWiese, C
Apollinari, G
Areti, H
Atac, M
Auchincloss, P
Azfar, F
Azzi, P
Bacchetta, N
Badgett, W
Bailey, MW
Bao, J
deBarbaro, P
BarbaroGaltieri, A
Barnes, VE
Barnett, BA
Bartalini, P
Bauer, G
Baumann, T
Bedeschi, F
Behrends, S
Belforte, S
Bellettini, G
Bellinger, J
Benjamin, D
Benlloch, J
Bensinger, J
Benton, D
Beretvas, A
Berge, JP
Bertolucci, S
Bhatti, A
Biery, K
Binkley, M
Bird, F
Bisello, D
Blair, RE
Blocker, C
Bodek, A
Bokhari, W
Bolognesi, V
Bortoletto, D
Boswell, C
Boulos, T
Brandenburg, G
Bromberg, C
机构：
[1] ARGONNE NATL LAB, ARGONNE, IL 60439 USA
[2] UNIV BOLOGNA, IST NAZL FIS NUCL, I-40126 BOLOGNA, ITALY
[3] BRANDEIS UNIV, WALTHAM, MA 02254 USA
[4] UNIV CALIF LOS ANGELES, LOS ANGELES, CA 90024 USA
[5] UNIV CHICAGO, CHICAGO, IL 60637 USA
[6] DUKE UNIV, DURHAM, NC 27708 USA
[7] FERMILAB NATL ACCELERATOR LAB, BATAVIA, IL 60510 USA
[8] IST NAZL FIS NUCL, LAB NAZL FRASCATI, I-00044 FRASCATI, ITALY
[9] HARVARD UNIV, CAMBRIDGE, MA 02138 USA
[10] UNIV ILLINOIS, URBANA, IL 61801 USA
[11] MCGILL UNIV, INST PARTICLE PHYS, MONTREAL, PQ H3A 2T8, CANADA
[12] UNIV TORONTO, TORONTO, ON M5S 1A7, CANADA
[13] JOHNS HOPKINS UNIV, BALTIMORE, MD 21218 USA
[14] UNIV CALIF BERKELEY, LAWRENCE BERKELEY LAB, BERKELEY, CA 94720 USA
[15] MIT, CAMBRIDGE, MA 02139 USA
[16] UNIV MICHIGAN, ANN ARBOR, MI 48109 USA
[17] MICHIGAN STATE UNIV, E LANSING, MI 48824 USA
[18] UNIV NEW MEXICO, ALBUQUERQUE, NM 87131 USA
[19] OSAKA CITY UNIV, OSAKA 588, JAPAN
[20] UNIV PADUA, IST NAZL FIS NUCL, I-35131 PADUA, ITALY
[21] UNIV PENN, PHILADELPHIA, PA 19104 USA
[22] UNIV PITTSBURGH, PITTSBURGH, PA 15260 USA
[23] UNIV PISA, IST NAZL FIS NUCL, I-56100 PISA, ITALY
[24] SCUOLA NORMALE SUPER PISA, I-56100 PISA, ITALY
[25] PURDUE UNIV, W LAFAYETTE, IN 47907 USA
[26] UNIV ROCHESTER, ROCHESTER, NY 14627 USA
[27] ROCKEFELLER UNIV, NEW YORK, NY 10021 USA
[28] RUTGERS STATE UNIV, PISCATAWAY, NJ 08854 USA
[29] ACAD SINICA, TAIPEI 11529, TAIWAN
[30] SUPERCONDUCTING SUPER COLLIDER LAB, DALLAS, TX 75237 USA
[31] TEXAS A&M UNIV, COLLEGE STN, TX 77843 USA
[32] TEXAS TECH UNIV, LUBBOCK, TX 79409 USA
[33] UNIV TSUKUBA, TSUKUBA, IBARAKI 305, JAPAN
[34] TUFTS UNIV, MEDFORD, MA 02155 USA
[35] UNIV WISCONSIN, MADISON, WI 53706 USA
[36] YALE UNIV, NEW HAVEN, CT 06510 USA
来源：
PHYSICAL REVIEW D | 1996年 / 53卷 / 07期
关键词：
D O I：
10.1103/PhysRevD.53.3496
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We measure the mass of the B-s(0) meson by reconstructing the decay chain B-s(0)-->J/psi phi, J/psi-->mu(+)mu(-), and phi-->K+K-. The data are obtained from 19.3 pb(-1) of integrated luminosity of <(p) over bar p> collisions at root s=1.8 TeV using the Collider Detector at Fermilab. A sample of 80 000 inclusive J/psi-->mu(+)mu(-) events is used to study systematic biases in track reconstruction and to calibrate the momentum scale. We reconstruct the kinematically similar decays B+-->J/mu K+ and B-0-->J/psi K*(0) to study the mass measurement technique used for the B-s(0) meson. Based on the observation of 32 +/- 6 candidates, the mass of the B-s(0) meson is measured to be 5369.9 +/- 2.3 +/- 1.3 MeV/c(2) and the mass difference between B-s(0) and the average mass of B+ and B-0 is determined to be 89.7 +/- 2.7 +/- 1.2 MeV/c(2).
引用
收藏
页码：3496 / 3505
页数：10
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