Beam-energy dependence of the directed flow of deuterons in Au+Au collisions

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dc.citation.articleNumber044906en_US
dc.citation.issueNumber4en_US
dc.citation.journalTitlePhysical Review Cen_US
dc.citation.volumeNumber102en_US
dc.contributor.authorSTAR Collaborationen_US
dc.date.accessioned2020-11-10T21:22:24Zen_US
dc.date.available2020-11-10T21:22:24Zen_US
dc.date.issued2020en_US
dc.description.abstractWe present a measurement of the first-order azimuthal anisotropy v1 of deuterons from Au+Au collisions at √sNN=7.7, 11.5, 14.5, 19.6, 27, and 39 GeV recorded with the STAR experiment at the Relativistic Heavy Ion Collider (RHIC). The energy dependence of the v1(y) slope, dv1/dy|y=0, for deuterons, where y is the rapidity, is extracted for semicentral collisions (10%–40% centrality) and compared with that of protons. While the v1(y) slopes of protons are generally negative for √sNN>10GeV, those for deuterons are consistent with zero, a strong enhancement of the v1(y) slope of deuterons is seen at the lowest collision energy (the largest baryon density) at √sNN=7.7GeV. In addition, we report the transverse momentum dependence of v1 for protons and deuterons. The experimental results are compared with transport and coalescence models.en_US
dc.identifier.citationSTAR Collaboration. "Beam-energy dependence of the directed flow of deuterons in Au+Au collisions." <i>Physical Review C,</i> 102, no. 4 (2020) American Physical Society: https://doi.org/10.1103/PhysRevC.102.044906.en_US
dc.identifier.doihttps://doi.org/10.1103/PhysRevC.102.044906en_US
dc.identifier.urihttps://hdl.handle.net/1911/109544en_US
dc.language.isoengen_US
dc.publisherAmerican Physical Societyen_US
dc.rightsArticle is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.en_US
dc.titleBeam-energy dependence of the directed flow of deuterons in Au+Au collisionsen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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