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Multiplicity fluctuations in heavy-ion collisions using canonical and grand-canonical ensemble

  • Regular Article - Theoretical Physics
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Abstract.

We report the higher-order cumulants and their ratios for baryon, charge and strangeness multiplicity in canonical and grand-canonical ensembles in ideal thermal model including all the resonances. When the number of conserved quanta is small, an explicit treatment of these conserved charges is required, which leads to a canonical description of the system and the fluctuations are significantly different from the grand-canonical ensemble. Cumulant ratios of total-charge and net-charge multiplicity as a function of collision energies are also compared in grand-canonical ensemble.

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Authors and Affiliations

  1. Discipline of Physics, School of Basic Science, Indian Institute of Technology Indore, Khandwa Road, 452020, Simrol, India

    P. Garg

  2. Nuclear Physics Division, Bhabha Atomic Research Center, 400085, Mumbai, India

    D. K. Mishra, P. K. Netrakanti & A. K. Mohanty

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  1. P. Garg
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  2. D. K. Mishra
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  3. P. K. Netrakanti
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  4. A. K. Mohanty
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Correspondence to P. Garg.

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Communicated by T.S. Bíró

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Garg, P., Mishra, D.K., Netrakanti, P.K. et al. Multiplicity fluctuations in heavy-ion collisions using canonical and grand-canonical ensemble. Eur. Phys. J. A 52, 27 (2016). https://doi.org/10.1140/epja/i2016-16027-0

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  • DOI: https://doi.org/10.1140/epja/i2016-16027-0

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