Antinuclei production in heavy ion collisions at CERN SPS

被引:0
|
作者
Arsenescu, R
Baglin, C
Beck, HP
Borer, K
Bussiere, A
Elsener, K
Gorodetzky, P
Guillaud, JP
Hess, P
Kabana, S
Klingenberg, R
Lehmann, G
Lindén, T
Lohmann, KD
Mommsen, R
Moser, U
Pretzl, K
Schacher, J
Spiwoks, R
Stoffel, F
Tuominiemi, J
Weber, M
机构
[1] Univ Bern, High Energy Phys Lab, CH-3012 Bern, Switzerland
[2] Lab Annecy Le Vieux Phys Particules, CNRS, IN2P3, F-74941 Annecy Le Vieux, France
[3] CERN, SL Div, CH-1211 Geneva 23, Switzerland
[4] Coll France, PCC, F-75005 Paris, France
[5] Univ Helsinki, Dept Phys, FIN-00014 Helsinki, Finland
关键词
D O I
10.1016/S0375-9474(99)00452-2
中图分类号
O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
Besides the dedicated search for strangelets NA52 measures light (anti)particle and (anti)nuclei production over a wide range of rapidity. Compared to previous runs the statistics has been increased in the 1998 run by more than one order of magnitude for negatively charged objects at different spectrometer rigidities. At a rigidity of -20 GeV/c we measured 10(6) (p) over bar 10(3) (d) over bar and one <(He-3)over bar> without any centrality requirements. These preliminary results together with previous measurements near central rapidity are discussed in the framework of a thermodynamical and a coalescence model.
引用
收藏
页码:177C / 184C
页数:8
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