MEASUREMENT OF THE B-MESON DIFFERENTIAL CROSS-SECTION D-SIGMA/DP(T) IN P(P)OVER-BAR COLLISIONS AT ROOT-S=1.8 TEV

被引:141
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, PADUA SEZ, 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 06511 USA
关键词
D O I
10.1103/PhysRevLett.75.1451
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
This paper presents the first direct measurement of the B meson differential cross section d sigma/d(pT) in <(pp)over bar> collisions at root s = 1.8 TeV using a sample of 19.3 +/- 0.7 pb(-1) accumulated by the Collider Detector at Fermilab. The cross section is measured in the central rapidity region \y\ < 1 for p(T)(B) > 6.0 GeV/c by fully reconstructing the B meson decays B+ --> J/psi K+ and B-0 --> J/psi K-*0(899), where J/psi --> mu(+)mu(-) and K-*0 --> K(+)pi(-). A comparison is made to the theoretical QCD prediction calculated at next-to-leading order.
引用
收藏
页码:1451 / 1455
页数:5
相关论文
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