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QGP phase transition and multiplicity fluctuations

  • Science in China (series A)
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Abstract

The scaled factorial moments in QGP phase transitions are studied analytically by the extended Ginzburg-Landau model. The dependence of lnF q on phase space interval is different for the first- and second-order QGP phase transitions. When lnF q, are fitted to polynomials ofX≡δ1/3, the relative sign between the fitted coefficients ofX andb q,1 calculated theoretically can be used to judge the order of phase transitions. Two sets of experimental data are reanalysed and the phase transitions are the first order for one set of data but the second order for another.

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Authors and Affiliations

  1. Institute of Particle Physics, Huazhong Normal University, 430079, Wuhan, China

    Chunbin Yang, Xiaorong Wang & Xu Cai

Authors
  1. Chunbin Yang
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  2. Xiaorong Wang
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  3. Xu Cai
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Project supported by the National Natural Science Foundation of China and Natural Science Foundation of Hubei Province.

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Yang, C., Wang, X. & Cai, X. QGP phase transition and multiplicity fluctuations. Sci. China Ser. A-Math. 40, 1065–1072 (1997). https://doi.org/10.1007/BF03182366

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  • DOI: https://doi.org/10.1007/BF03182366

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