Bose-Einstein condensation of pions in heavy-ion collisions at energies available at the CERN Large Hadron Collider

被引：54

作者：

Begun, Viktor ^{[1
,2
]}

Florkowski, Wojciech ^{[3
]}

机构：

[1] Jan Kochanowski Univ, Inst Phys, PL-25406 Kielce, Poland

[2] Bogolyubov Inst Theoret Phys, UA-03680 Kiev, Ukraine

[3] Polish Acad Sci, H Niewodniczanski Inst Nucl Phys, PL-31342 Krakow, Poland

来源：

PHYSICAL REVIEW C | 2015年 / 91卷 / 05期

关键词：

NUCLEUS-NUCLEUS COLLISIONS; PLUS PB COLLISIONS; EQUILIBRATION; THERMINATOR;

D O I：

10.1103/PhysRevC.91.054909

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 analyze in detail the possibility of Bose-Einstein condensation of pions produced in heavy-ion collisions at the beam energy root S-NN = 2.76 TeV. Our approach is based on the chemical nonequilibrium thermal model of hadron production which has been generalized to include separately the contribution from the local zero-momentum state. In order to study both the hadronic multiplicities and the transverse-momentum spectra, we use the Cracow freeze-out model which parameterizes the flow and space-time geometry of the system at freeze-out in a very economic way. Our analysis indicates that about 5% of all pions may form the Bose-Einstein condensate.

引用

页数：10

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