Antinuclei production in Pb+Pb collisions at 158 AGeV/c

被引:34
作者
Appelquist, G
Baglin, C
Beringer, J
Bohm, C
Borer, K
Bussiere, A
Dittus, F
Elsener, K
Frei, D
Gorodetzky, P
Guillaud, JP
Hugentobler, E
Klingenberg, R
Linden, T
Lohmann, KD
Moser, U
Pal, T
Pretzl, K
SChacher, J
Sellden, B
Stoffel, F
Tuominiemi, J
Zhang, QP
机构
[1] UNIV BERN, HIGH ENERGY PHYS LAB, CH-3012 BERN, SWITZERLAND
[2] CERN, DIV SL, CH-1211 GENEVA 23, SWITZERLAND
[3] LAB ANNECY LE VIEUX PHYS PARTICULES, CNRS, IN2P3, F-74941 ANNECY LE VIEUX, FRANCE
[4] UNIV HELSINKI, DEPT PHYS, SF-00014 HELSINKI, FINLAND
[5] CTR RECH NUCL, CNRS, IN2P3, F-67037 STRASBOURG, FRANCE
关键词
D O I
10.1016/0370-2693(96)00415-7
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We investigate antinuclei production in Ph + Pb interactions at 158 GeV/c per nucleon at zero degree production angle. We quote invariant differential production cross sections for antiprotons and antideuterons. The corresponding antideuteron to antiproton ratio at midrapidity is 4.2 . 10(-4). One antihelium-3 nucleus was observed. The results are discussed in the framework of a simple coalescence model.
引用
收藏
页码:245 / 250
页数:6
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