J/PSI AND MUON-PAIR CROSS-SECTIONS IN PROTON NUCLEUS AND NUCLEUS NUCLEUS COLLISIONS AT 200-GEV PER NUCLEON

被引:66
|
作者
BAGLIN, C
BALDISSERI, A
BUSSIERE, A
GUILLAUD, JP
KOSSAKOWSKI, R
LIAUD, P
STALEY, F
BALDIT, A
CASTOR, J
CHAMBON, T
DEVAUX, A
FARGEIX, J
FELGEYROLLES, X
FORCE, P
FREDJ, L
LANDAUD, G
VAZEILLE, F
SONDEREGGER, P
ABREU, MC
BORDALO, P
FERREIRA, R
GAGO, JM
LOURENCO, C
PERALTA, L
RAMOS, S
SILVA, S
VARELA, J
GERSCHEL, C
JOUAN, D
PAPILLON, S
TARRAGO, X
BUSSON, P
CHARLOT, C
CHAURAND, B
KLUBERG, L
ROMANA, A
SALMERON, RA
GORODETZKY, P
GROSDIDIER, B
RACCA, C
CASES, R
ALIMI, M
BEDJIDIAN, M
CONTARDO, D
DESCROIX, E
DRAPIER, O
GROSSIORD, JY
GUICHARD, A
HAROUTUNIAN, R
PIZZI, JR
机构
[1] LAB PHYS CORPUSCULAIRE CLERMONT FERRAND, CNRS, IN2P3, F-63177 CLERMONT FERRAND, FRANCE
[2] UNIV CLERMONT FERRAND, F-63177 CLERMONT FERRAND, FRANCE
[3] CERN, CH-1211 GENEVA 23, SWITZERLAND
[4] LIP, P-1000 LISBON, PORTUGAL
[5] INST PHYS NUCL, CNRS, IN2P3, F-91406 ORSAY, FRANCE
[6] UNIV PARIS 11, F-91405 ORSAY, FRANCE
[7] ECOLE POLYTECH, PHYS NUCL HAUTES ENERGIES, CNRS, IN2P3, F-91128 PALAISEAU, FRANCE
[8] UNIV LOUIS PASTEUR, F-67037 STRASBOURG, FRANCE
[9] CTR RECH NUCL, CNRS, IN2P3, F-67037 STRASBOURG, FRANCE
[10] UNIV VALENCIA, CSIC, IFIC, CTR MIXTO, E-46100 BURJASSOT, SPAIN
[11] INST PHYS NUCL, CNRS, IN2P3, F-69622 VILLEURBANNE, FRANCE
[12] UNIV LYON 1, F-69622 VILLEURBANNE, FRANCE
[13] UNIV LISBON, FAC CIENCIAS, P-1700 LISBON, PORTUGAL
[14] UNIV TECN LISBOA, INST SUPER TECN, LISBON, PORTUGAL
关键词
D O I
10.1016/0370-2693(91)91546-8
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Muon-pair production has been measured in p-Cu, p-U, O-Cu, O-U and S-U collisions at 200 GeV per nucleon. The cross sections are compatible with the atomic number dependence (A(proj.)A(targ.))alpha where alpha = 0.91 +/- 0.04 for the J/psi-resonance and alpha = 1.01 +/- 0.04 for muon pairs produced in the mass continuum between 1.7 and 2.7 GeV/c2.
引用
收藏
页码:105 / 110
页数:6
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