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Conserved Charge Fluctuations from Lattice QCD and the Beam Energy Scan

Karsch, F. ; Bazavov, A. ; Ding, H.-T. ; Hegde, P. ; Kaczmarek, O. ; Laermann, E. ; Mukherjee, Swagato ; Ohno, H. ; Petreczky, P. ; Schmidt, C. ; Sharma, S. ; Soeldner, W. ; Steinbrecher, P. ; Wagner, M.



Abstract

We discuss the next-to-leading order Taylor expansion of ratios of cumulants of net-baryon number fluctuations. We focus on the relation between the skewness ratio, S-B sigma(B) = chi(B)(3)/chi(B)(1) and the kurtosis ratio, KBol = chi(B)(4)/chi(B)(4). We show that differences in these two cumulant ratios are small for small values of the baryon chemical potential. The next-to-leading order ...

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