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Nuclear Theory

arXiv:1503.04040 (nucl-th)
[Submitted on 13 Mar 2015 (v1), last revised 22 Apr 2015 (this version, v2)]

Title:Bose-Einstein condensation of pions in heavy-ion collisions at the CERN Large Hadron Collider (LHC) energies

Authors:Viktor Begun, Wojciech Florkowski
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Abstract:We analyse in detail the possibility of Bose-Einstein condensation of pions produced in heavy-ion collisions at the beam energy $\sqrt{s_{\rm NN}}$ = 2.76 TeV. Our approach is based on the chemical non-equilibrium thermal model of hadron production which has been generalised 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 parameterises 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.
Comments: The comparison with the equilibrium model is added to the section where we discuss pion spectra
Subjects: Nuclear Theory (nucl-th); High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:1503.04040 [nucl-th]
  (or arXiv:1503.04040v2 [nucl-th] for this version)
  https://doi.org/10.48550/arXiv.1503.04040
Journal reference: Phys. Rev. C 91, 054909 (2015)
Related DOI: https://doi.org/10.1103/PhysRevC.91.054909

Submission history

From: Viktor Begun [view email]
[v1] Fri, 13 Mar 2015 12:44:06 UTC (584 KB)
[v2] Wed, 22 Apr 2015 15:59:26 UTC (638 KB)
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