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

来源：

PHYSICAL REVIEW LETTERS | 1995年 / 75卷 / 08期

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

页码：1451 / 1455

页数：5

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