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American Physical Society, Physical Review C, 5(64), 2001

DOI: 10.1103/physrevc.64.054908

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Transverse momentum fluctuations due to temperature variation in high-energy nuclear collisions

Journal article published in 2001 by R. Korus, St. Mrówczynski, M. Rybczynski, Z. Wlodarczyk ORCID
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This paper is available in a repository.

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Abstract

The event-by-event p_T-fluctuations due to the temperature variation are considered. The so-called Phi-measure is computed and shown to be a linear function of the temperature variance. The fluctuations of temperature naturally explain the data on Phi(p_T) in proton-proton and central Pb-Pb collisions but independent measurements of the temperature fluctuations are needed to confirm the explanation. Feasibility of such an event-by-event measurement is discussed. Comment: 10 pages, 6 figures, minor improvements, to appear in Phys. Rev. C