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Measurements of directed and elliptic flow for D-0 and <(D-0)over bar> mesons using the STAR detector at RHIC

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dc.contributor.authorSingha, S.
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.accessioned2024-11-21T16:22:25Z
dc.date.available2024-11-21T16:22:25Z
dc.date.issued2019
dc.description.abstractWe report on the first evidence for a non-zero rapidity-odd directed flow (nu(1)) for D-0 and (D-0) over bar mesons in 10-80% centrality Au+Au collisions at root S-NN = 200 GeV measured with the STAR detector at RHIC. The slope of the v1 rapidity dependence (d nu(1)/dy) averaged over D-0 and (D-0) over bar mesons is -0.081 +/- 0.021 +/- 0.017, while that of charged kaons is -0.0030 +/- 0.0001 +/- 0.0002, suggesting significantly larger slope for the D-0 mesons. Models indicate that the large d nu(1)/dy of D-0 mesons is sensitive to the initially tilted source. We also present a new measurement of the D-0 meson elliptic flow (v(2)) as a function of transverse momentum (P-T) in Au+Au collisions at root S-NN = 200 GeV with an improved precision with respect to the previously published results. The D-0 nu(2) results are compared to those of light-flavor hadrons to test the number-of-constituent-quark (NCQ) scaling. Both the nu(1) and nu(2) results are compared to recent hydrodynamic and transport model calculations.
dc.format.extentС. 671-674
dc.identifier.citationMeasurements of directed and elliptic flow for D-0 and <(D-0)over bar> mesons using the STAR detector at RHIC / Singha, S [et al.] // NUCLEAR PHYSICS A. - 2019. - 982. - P. 671-674. - 10.1016/j.nuclphysa.2018.09.010
dc.identifier.doi10.1016/j.nuclphysa.2018.09.010
dc.identifier.urihttps://www.doi.org/10.1016/j.nuclphysa.2018.09.010
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000457515500153
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/19157
dc.relation.ispartofNUCLEAR PHYSICS A
dc.titleMeasurements of directed and elliptic flow for D-0 and <(D-0)over bar> mesons using the STAR detector at RHIC
dc.typeArticle; Proceedings Paper
dspace.entity.typePublication
oaire.citation.volume982
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