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Directed flow of quarks from the RHIC Beam Energy Scan measured by STAR

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dc.contributor.authorWang, G.
dc.contributor.authorAdam, J.
dc.contributor.authorAdamczyk, L.
dc.contributor.authorAdams, J. R.
dc.contributor.authorAlekseev, I.
dc.contributor.authorBrandin, A. V.
dc.contributor.authorKochenda, L.
dc.contributor.authorKravtsov, P.
dc.contributor.authorNigmatkulov, G.
dc.contributor.authorOkorokov, V. A.
dc.contributor.authorStrikhanov, M.
dc.contributor.authorTaranenko, A.
dc.contributor.authorАлексеев, Игорь Геннадьевич
dc.contributor.authorБрандин, Андрей Владимирович
dc.contributor.authorНигматкулов, Григорий Александрович
dc.contributor.authorОкороков, Виталий Алексеевич
dc.contributor.authorСтриханов, Михаил Николаевич
dc.contributor.authorТараненко, Аркадий Владимирович
dc.date.accessioned2024-11-21T16:03:37Z
dc.date.available2024-11-21T16:03:37Z
dc.date.issued2019
dc.description.abstractDirected flow (v(1)) is a good probe of the early-stage dynamics of collision systems, and the v(1) slope at midrapidity (dv(1)/dy vertical bar(y=0)) is sensitive to the system's equation of state. STAR has published v(1)(y) measurements for ten particle species (pi(+/-), p, (p) over bar, Lambda, (Lambda) over bar, phi, K-+/- and K-S(0)) in Au+Au collisions at eight beam energies from, root s(NN) = 7.7 GeV to 200 GeV. In this study, we employ a simple coalescence idea to decompose v(1) of hadrons into v(1) of constituent quarks. The dv(1)/dy values of (p) over bar, K- and (Lambda) over bar are used to test the coalescence sum rule for produced quarks. Data involving produced quarks support the coalescence picture at root s(NN) = 11,5 GeV to 200 GeV, and a sharp deviation from this picture is observed at 7.7 GeV. The dv(1)/dy of transported quarks is studied via net particles (net p and net Lambda). In these proceedings, we further extract the v(1) slopes of produced and transported quarks, assuming that the coalescence sum rule is valid.
dc.format.extentС. 415-418
dc.identifier.citationDirected flow of quarks from the RHIC Beam Energy Scan measured by STAR / Wang, G [et al.] // NUCLEAR PHYSICS A. - 2019. - 982. - P. 415-418. - 10.1016/j.nuclphysa.2018.08.036
dc.identifier.doi10.1016/j.nuclphysa.2018.08.036
dc.identifier.urihttps://www.doi.org/10.1016/j.nuclphysa.2018.08.036
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000457515500089
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/19125
dc.relation.ispartofNUCLEAR PHYSICS A
dc.titleDirected flow of quarks from the RHIC Beam Energy Scan measured by STAR
dc.typeArticle; Proceedings Paper
dspace.entity.typePublication
oaire.citation.volume982
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