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Comparing two-Boltzmann distribution and Tsallis statistics of particle transverse momentums in collisions at LHC energies

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Abstract

The transverse momentum distributions of final-state particles produced in collisions at energies available at the Large Hadron Collider (LHC) are studied by using the two-Boltzmann distribution and Tsallis statistics. Experimental distributions described by the two-Boltzmann distribution can be described by the Tsallis statistics. The two-temperature emission described by the two-Boltzmann distribution reflects temperature fluctuation of interacting system. The Tsallis statistics can describe the temperature fluctuation and the degree of non-equilibrium. The results calculated by the two-Boltzmann distribution and the Tsallis statistics are in agreement with the experimental data available at the LHC energies. In some cases, the two-Boltzmann distribution degenerates to (single) Boltzmann distribution.

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Authors and Affiliations

  1. Institute of Theoretical Physics, Shanxi University, Taiyuan, 030006, Shanxi, China

    Fu-Hu Liu, Ya-Qin Gao & Bao-Chun Li

Authors
  1. Fu-Hu Liu
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  2. Ya-Qin Gao
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  3. Bao-Chun Li
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Correspondence to Fu-Hu Liu.

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Communicated by Xin-Nian Wang

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Liu, FH., Gao, YQ. & Li, BC. Comparing two-Boltzmann distribution and Tsallis statistics of particle transverse momentums in collisions at LHC energies. Eur. Phys. J. A 50, 123 (2014). https://doi.org/10.1140/epja/i2014-14123-9

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  • DOI: https://doi.org/10.1140/epja/i2014-14123-9

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