Non-identical particle correlations in STAR

被引:0
|
作者
Janik, M [1 ]
Kisiel, A [1 ]
Szarwas, P [1 ]
机构
[1] Warsaw Univ Technol, Fac Phys, PL-00662 Warsaw, Poland
关键词
correlations; non-identical dynamics; emission asymmetries;
D O I
暂无
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Non-identical particle correlations offer new methods of probing the dynamics of heavy-ion collision. In STAR we have performed a correlation analysis of pion-kaon and pion-proton systems for rootS(NN) = 130 AGeV Au+Au collisions. The results show that average emission space-time points of pions, kaons and protons are not the same. These results are studied with the help of heavy-ion collision models. The asymmetries appear as a consequence of space-momentum correlations produced by transverse radial expansion of the system. The effects of emission time differences, coming from the decay of resonances are also investigated, and found to explain only part of the asymmetry.
引用
收藏
页码:S77 / S80
页数:4
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