BEAUTY PRODUCTION AT THE CERN PP-BAR COLLIDER

被引:117
作者
ALBAJAR, C
ALBROW, MG
ALLKOFER, OC
ANKOVIAK, K
APSIMON, R
AUBERT, B
BACCI, C
BARTHA, S
BAUER, G
BETTINI, A
BEZAGUET, A
BIDDULPH, P
BOHN, H
BOHRER, A
BONINO, R
BOS, K
BOTLO, M
BROCKHAUSEN, D
BUCHANAN, C
BUSCHBECK, B
BUSETTO, G
CANER, A
CASOLI, P
CASTILLAVALDEZ, H
CAVANNA, F
CENNINI, P
CENTRO, S
CERADINI, F
CIAPETTI, G
CITTOLIN, S
CLAYTON, E
CLINE, D
COLAS, J
CONTE, R
COUGHLAN, JA
DAU, D
DAUM, C
DELLANEGRA, M
DEMOULIN, M
DENEGRI, D
DIBON, H
DICIACCIO, A
HEDO, FJD
DOBRZYNSKI, L
DORENBOSCH, J
DOWELL, JD
DRIJARD, D
EGGERT, K
EISENHANDLER, E
ELLIS, N
机构
[1] UNIV KIEL,INST REINE & ANGEW KERNPHYS,W-2300 KIEL 1,GERMANY
[2] LAPP,F-74019 ANNECY LE VIEUX,FRANCE
[3] UNIV ROME LA SAPIENZA,DIPARTMENTO FIS,I-00185 ROME,ITALY
[4] RHEIN WESTFAL TH AACHEN,ZENTRUM PHYS,INST PHYS A3,W-5100 AACHEN,GERMANY
[5] UNIV LONDON QUEEN MARY COLL,DEPT PHYS,LONDON E1 4NS,ENGLAND
[6] IST NAZL FIS NUCL,PADUA,ITALY
[7] RUTHERFORD APPLETON LAB,DIDCOT OX11 0QX,OXON,ENGLAND
[8] UNIV CALIF LOS ANGELES,LOS ANGELES,CA 90024
[9] UNIV PADUA,DEPT PHYS,I-35131 PADUA,ITALY
[10] BOSTON UNIV,DEPT PHYS,BOSTON,MA 02215
[11] UNIV LONDON IMPERIAL COLL SCI & TECHNOL,LONDON SW7 2AZ,ENGLAND
[12] NIKHEF H,1009 DB AMSTERDAM,NETHERLANDS
[13] AUSTRIAN ACAD SCI,INST HOCHENERGIESPHYS,A-1050 VIENNA,AUSTRIA
[14] CENS,DPHPE,SECB,F-91190 GIF SUR YVETTE,FRANCE
[15] CIEMAT,E-28040 MADRID,SPAIN
[16] UNIV HELSINKI,DEPT PHYS,SF-00170 HELSINKI 17,FINLAND
[17] UNIV BIRMINGHAM,DEPT PHYS,BIRMINGHAM B15 2TT,W MIDLANDS,ENGLAND
[18] MIT,CAMBRIDGE,MA 02139
[19] COLL FRANCE,PHYS CORPUSCULAIRE LAB,F-75231 PARIS 05,FRANCE
关键词
D O I
10.1016/0370-2693(91)90228-I
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We report measurements of b-quark and B-hadron production in ppBAR collisions at square-root s = 630 GeV. We use muon data samples to extract beauty production cross-sections over a wide range of transverse momentum in the central rapidity range /y/ < 1.5. We compare our results to an O(alpha-s3) QCD prediction and find good agreement over the measured b-quark transverse momentum range 6 GeV/c to 54 GeV/c. Using the shape of the P(T) and y distributions predicted by QCD to extrapolate our data, we infer a total cross-section for b-quark production at square-root s = 630 GeV of sigma(ppBAR --> bbBAR + X) = 19.3 +/- 7 (exp.) +/- 9 (th.)mu-b.
引用
收藏
页码:121 / 128
页数:8
相关论文
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