Publication: Collision system and beam energy dependence of anisotropic flow fluctuations
Дата
2019
Авторы
Magdy, N.
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
New measurements of elliptic flow from two- and four-particle correlations are used to investigate flow fluctuations in collisions of U+U at root s(NN) = 193 GeV, Cu+Au at root s(NN) = 200 GeV and Au+Au at several beam energies. These measurements highlight the dependence of these fluctuations on the event shape, system size and beam energy and indicate a dominant role for initial-state-driven fluctuations. These measurements could provide further constraints for initial-state models, as well as for precision extraction of the temperature-dependent specific shear viscosity eta/s(T).
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Collision system and beam energy dependence of anisotropic flow fluctuations / Magdy, N [et al.] // NUCLEAR PHYSICS A. - 2019. - 982. - P. 255-258. - 10.1016/j.nuclphysa.2018.09.027