MASS DEPENDENCE OF ANTIPROTON PRODUCTION IN NUCLEUS-NUCLEUS COLLISIONS AT 3.65 GEV/NUCLEON

被引：1
作者：
BALDIN, AA
FILIPPOV, SN
GAVRILOV, YK
GOLUBEVA, MB
KARAVICHEVA, TL
KUREPIN, AB
NIKITSKI, AY
PANTUEV, VS
RAZIN, VI
RESHETIN, AI
CHIAVASSA, E
DELLACASA, G
DEMARCO, N
GALLIO, M
GUAITA, P
MUSSO, A
PICCOTTI, A
SCOMPARIN, E
VERCELLIN, E
机构：
[1] UNIV TURIN, DIPARTIMENTO FIS SPERIMENTALE, I-10125 TURIN, ITALY
[2] INFN, I-10125 TURIN, ITALY
来源：
NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA A-NUCLEI PARTICLES AND FIELDS | 1995年 / 108卷 / 02期
关键词：
D O I：
10.1007/BF02816734
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
Antiproton production cross-sections have been measured for p + C, C + C, C + Cu and C + Pb collisions at 3.65 GeV/nucleon.pBAR laboratory momentum and angle are 0.8 GeV/c and 24-degrees. The target mass dependence parameter is found to be 0.43 +/- 0.1. A strong increase in antiproton yield is observed from p + C, d + C to C + C collisions. Projectile mass parameter is 1.2 +/- 0.2 for d + C to C + C. The construction and calibration of APAKI, an annihilation detector for pBAR identification, are also described.
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页码：139 / 146
页数：8
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