期刊
EUROPEAN PHYSICAL JOURNAL A
卷 48, 期 11, 页码 -出版社
SPRINGER
DOI: 10.1140/epja/i2012-12171-9
关键词
-
资金
- BMBF [06FY9092]
- U.S. Department of Energy [DE-FG02-05ER41367]
In hybrid models, which combine hydrodynamical and transport approaches to describe different stages of heavy-ion collisions, conversion of fluid to individual particles, particlization, is a non-trivial technical problem. We describe in detail how to find the particlization hypersurface in a 3+1 dimensional model, and how to sample the particle distributions evaluated using the Cooper-Frye procedure to create an ensemble of particles as an initial state for the transport stage. We also discuss the role and magnitude of the negative contributions in the Cooper-Frye procedure.
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