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Baryon spectra and antiparticle-to-particle ratios from the improved AMPT model

dc.contributor.authorHe, Yuncun
dc.contributor.authorLin, Zi-Wei
dc.date.accessioned2020-04-24T17:00:01Z
dc.date.available2020-04-24T17:00:01Z
dc.date.issued2018-02-02
dc.description.abstractThe current version of a multi-phase transport (AMPT) model with string melting can reasonably describe the dN/dy yields, pT spectra and anisotropic flows of pions and kaons at low pT in heavy ion collisions at RHIC and LHC energies, although it failed to reproduce the dN/dy and pT spectra of baryons. In this work, we improve the quark coalescence mechanism in AMPT by removing the forced separate number conservations of mesons, baryons and antibaryons in each event. We find that the improved AMPT model can better describe the yields at midrapidity, the pT spectra and elliptic flow of low-pT baryons in comparison with the experimental data. Antiparticle-to-particle ratios of strange baryons are also significantly improved.en_US
dc.identifier.doi10.1051/epjconf/201817114004
dc.identifier.urihttp://hdl.handle.net/10342/8382
dc.titleBaryon spectra and antiparticle-to-particle ratios from the improved AMPT modelen_US
dc.typeArticleen_US
ecu.journal.nameEPJ Web of Conferencesen_US
ecu.journal.volume171en_US

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