Fast hadron freeze-out generator

被引：69

作者：

Amelin, N. S. ^{[1
]}

Lednicky, R.

Pocheptsov, T. A.

Lokhtin, I. P.

Malinina, L. V.

Snigirev, A. M.

Karpenko, Iu. A.

Sinyukov, Yu. M.

机构：

[1] Joint Inst Nucl Res, RU-141980 Dubna, Moscow Region, Russia

[2] Moscow MV Lomonosov State Univ, DV Skobeltsyn Inst Nucl Phys, RU-119992 Moscow, Russia

[3] Bogolyubov Inst Theoret Phys, UA-03143 Kiev, Ukraine

[4] Samara State Aerosp Univ, Samara 443086, Russia

[5] ASCR, Inst Phys, CZ-18221 Prague, Czech Republic

来源：

PHYSICAL REVIEW C | 2006年 / 74卷 / 06期

关键词：

D O I：

10.1103/PhysRevC.74.064901

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：

We have developed a fast Monte Carlo procedure of hadron generation that allows one to study and analyze various observables for stable hadrons and hadron resonances produced in ultrarelativistic heavy ion collisions. Particle multiplicities are determined based on the concept of chemical freeze-out. Particles can be generated on the chemical or thermal freeze-out hypersurface represented by a parametrization or a numerical solution of relativistic hydrodynamics with given initial conditions and equation of state. Besides standard spacelike sectors associated with the volume decay, the hypersurface may also include nonspacelike sectors related to the emission from the surface of expanding system. For comparison with other models and experimental data, we demonstrate the results based on the standard parametrizations of the hadron freeze-out hypersurface and flow velocity profile under the assumption of a common chemical and thermal freeze-out. The C++ generator code is written under the ROOT framework and is available for public use at http://uhkm.jinr.ru/.

引用

页数：12

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