INCLUSIVE J/OMEGA, OMEGA(2S), AND B-QUARK PRODUCTION IN (P)OVER-BAR-P COLLISIONS AT ROOT-S = 1.8 TEV

被引：275

作者：

ABE, F

AMIDEI, D

ANWAYWIESE, C

APOLLINARI, G

ATAC, M

AUCHINCLOSS, P

AZZI, P

BADEN, AR

BACCHETTA, N

BADGETT, W

BAILEY, MW

BAMBERGER, A

DEBARBARO, P

BARBAROGALTIERI, A

BARNES, VE

BARNETT, BA

BAUER, G

BAUMANN, T

BEDESCHI, F

BEHRENDS, S

BELFORTE, S

BELLETTINI, G

BELLINGER, J

BENJAMIN, D

BENLLOCH, J

BENSINGER, J

BERETVAS, A

BERGE, JP

BERTOLUCCI, S

BIERY, K

BHADRA, S

BINKLEY, M

BISELLO, D

BLAIR, R

BLOCKER, C

BODEK, A

BOLOGNESI, V

BOOTH, AW

BOSWELL, C

BRANDENBURG, G

BROWN, D

BUCKLEYGEER, E

BUDD, HS

BUSETTO, G

BYONWAGNER, A

BYRUM, KL

CAMPAGNARI, C

CAMPBELL, M

CANER, A

CAREY, R

机构：

[1] ARGONNE NATL LAB,ARGONNE,IL 60439

[2] BRANDEIS UNIV,WALTHAM,MA 02254

[3] UNIV CALIF LOS ANGELES,LOS ANGELES,CA 90024

[4] UNIV CHICAGO,CHICAGO,IL 60637

[5] DUKE UNIV,DURHAM,NC 27706

[6] FERMI NATL ACCELERATOR LAB,BATAVIA,IL 60510

[7] IST NAZL FIS NUCL,LAB NAZL FRASCATI,FRASCATI,ITALY

[8] HARVARD UNIV,CAMBRIDGE,MA 02138

[9] JOHNS HOPKINS UNIV,BALTIMORE,MD 21218

[10] UNIV CALIF BERKELEY,BERKELEY,CA 94720

[11] MIT,CAMBRIDGE,MA 02139

[12] UNIV MICHIGAN,ANN ARBOR,MI 48109

[13] UNIV PADUA,IST NAZL FIS NUCL,I-35131 PADUA,ITALY

[14] UNIV PENN,PHILADELPHIA,PA 19104

[15] UNIV PISA,IST NAZL FIS NUCL,I-56100 PISA,ITALY

[16] SCUOLA NORMALE SUPER PISA,I-56100 PISA,ITALY

[17] PURDUE UNIV,W LAFAYETTE,IN 47907

[18] UNIV ROCHESTER,ROCHESTER,NY 14627

[19] ROCKEFELLER UNIV,NEW YORK,NY 10021

[20] RUTGERS STATE UNIV,PISCATAWAY,NJ 08854

[21] TEXAS A&M UNIV SYST,COLL STN,TX 77843

[22] UNIV TSUKUBA,TSUKUBA,IBARAKI 305,JAPAN

[23] TUFTS UNIV,MEDFORD,MA 02155

[24] UNIV WISCONSIN,MADISON,WI 53706

[25] UNIV ILLINOIS,URBANA,IL 61801

来源：

PHYSICAL REVIEW LETTERS | 1992年 / 69卷 / 26期

关键词：

D O I：

10.1103/PhysRevLett.69.3704

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Inclusive J/psi and psi(2S) production has been studied in ppBAR collisions at square-root s = 1.8 TeV using 2.6+/-0.2 pb-1 of data taken with the Collider Detector at Fermilab. The products of production cross section times branching fraction were measured as functions of P(T) for J/psi --> mu+mu- and psi(2S) --> mu+mu-. In the kinematic range P(T)>6 GeV/c and Absolute value of eta less-than-or-equal-to 0.5 we get sigma(ppBAR --> J/psiX)B(J/psi --> mu+mu-) = 6.88+/-0.23(stat)-1.08(+0.93)(syst) nb, and sigma(ppBAR --> psi(2S)X)B(psi(2S) --> mu+mu-) = 0.232+/-0.251(stat)-0.032(+0.029)(syst) nb. From these values we calculate the inclusive b-quark production cross section.

引用

页码：3704 / 3708

页数：5

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