PSI'-PRODUCTION AND J/PSI-PRODUCTION IN P-W, P-U AND S-U INTERACTIONS AT 200-GEV/NUCLEON

被引:71
作者
BAGLIN, C
BUSSIERE, A
GUILLAUD, JP
KOSSAKOWSKI, R
LIAUD, P
RONCEUX, B
BARRIERE, C
CASTOR, J
CHAMBON, T
DEVAUX, A
ESPAGNON, B
FARGEIX, J
FORCE, P
LANDAUD, G
LUQUIN, L
SATURNINI, P
SONDEREGGER, P
ABREU, MC
BORDALO, P
FERREIRA, R
LOURENCO, C
PERALTA, L
RAMOS, S
SILVA, S
VARELA, J
GERSCHEL, C
JOUAN, D
TARRAGO, X
CHAURAND, B
KLUBERG, L
ROMANA, A
GORODETZKY, P
LAZIC, D
MAZINI, R
RACCA, C
BEDJIDIAN, M
CONTARDO, D
DESCROIX, E
DRAPIER, O
GROSSIORD, JY
GUICHARD, A
HAROUTUNIAN, R
OHLSSONMALEK, F
MANDRY, R
PIZZI, JR
机构
[1] IN2P3, LAB PHYS CORPUSCULAIRE CLERMONT FERRAND, CNRS, 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 LYON, IN2P3, CNRS, F-91406 ORSAY, FRANCE
[6] UNIV PARIS 11, F-91406 ORSAY, FRANCE
[7] ECOLE POLYTECH, IN2P3, PHYS NUCL & HAUTES ENERGIES LAB, CNRS, F-91128 PALAISEAU, FRANCE
[8] CTR RECH NUCL, IN2P3, CNRS, F-67037 STRASBOURG, FRANCE
[9] UNIV STRASBOURG 1, F-67037 STRASBOURG, FRANCE
[10] INST PHYS NUCL LYON, IN2P3, CNRS, F-69622 VILLEURBANNE, FRANCE
[11] UNIV LYON 1, F-69622 VILLEURBANNE, FRANCE
[12] UNIV TECN LISBOA, INST SUPER TECN, P-1096 LISBON, PORTUGAL
[13] UNIV LISBON, FCUL, P-1699 LISBON, PORTUGAL
关键词
D O I
10.1016/0370-2693(94)01614-I
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Psi' and J/Psi yields are compared in p-W, p-U and S-U interactions at 200 GeV/nucleon. Their ratio decreases from proton-to sulphur-induced reactions. it also decreases in sulphur-induced reactions from peripheral to central collisions. This result could indicate that the Psi' and J/Psi suppression mechanisms have different origins in p- and S-induced reactions.
引用
收藏
页码:617 / 621
页数:5
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