Publication: Recent Results and Methods on Higher Order and Off-diagonal Cumulants of Identified Net-particle Multiplicity Distributions in Au plus Au Collisions at STAR
Дата
2019
Авторы
Nonaka, T.
Adam, J.
Adamczyk, L.
Adams, J. R.
Alekseev, I.
Brandin, A. V.
Kochenda, L.
Kravtsov, P.
Nigmatkulov, G.
Okorokov, V. A.
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Аннотация
We present recent results on the cumulants of net-particle distributions in Au+Au collisions at the STAR experiment. Beam energy dependence of net-Lambda cumulants and off-diagonal cumulants are measured. These measurements provide additional constraints on the chemical freeze-out conditions. The sixth-order cumulant of net-charge and net-proton distributions is measured at root s(NN) = 200 GeV to search for the signal of the crossover phase transition. Finally, an unfolding technique is developed and applied to the net-proton distributions at 19.6 GeV to account for the non-binomial effects of the detector.
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Recent Results and Methods on Higher Order and Off-diagonal Cumulants of Identified Net-particle Multiplicity Distributions in Au plus Au Collisions at STAR / Nonaka, T [et al.] // NUCLEAR PHYSICS A. - 2019. - 982. - P. 863-866. - 10.1016/j.nuclphysa.2018.10.092