Dissociation of heavy quarkonia in an anisotropic hot QCD medium in a quasiparticle model

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dc.contributor.author Jamal, M. Yousuf
dc.contributor.author Nilima, Indrani
dc.contributor.author Chandra, Vinod
dc.contributor.author Agotiya, Vineet Kumar
dc.date.accessioned 2018-06-13T12:51:58Z
dc.date.available 2018-06-13T12:51:58Z
dc.date.issued 2018-05
dc.identifier.citation Jamal, Mohammad Yousuf; Nilima, Indrani; Chandra, Vinod and Agotiya, Vineet Kumar, "Dissociation of heavy quarkonia in an anisotropic hot QCD medium in a quasiparticle model", Physical Review D, DOI: 10.1103/PhysRevD.97.094033, vol. 97, no. 9, May 2018. en_US
dc.identifier.isbn 2470-0029
dc.identifier.issn 2470-0010
dc.identifier.uri http://dx.doi.org/10.1103/PhysRevD.97.094033
dc.identifier.uri https://repository.iitgn.ac.in/handle/123456789/3731
dc.description.abstract The present article is the follow-up work of Phys. Rev. D 94, 094006 (2016), where we have extended the study of quarkonia dissociation in (momentum) anisotropic hot QCD medium. As evident by the experimentally observed collective flow at the RHIC and LHC, the momentum anisotropy is present at almost all the stages after the collision, and therefore, it is important to include its effects in the analysis. Employing the in-medium (corrected) potential while considering the anisotropy (both oblate and prolate cases) in the medium, the thermal widths and the binding energies of the heavy quarkonia states (s-wave charmonia and s-wave bottomonia specifically, for radial quantum numbers n=1and 2) have been determined. The hot QCD medium effects have been included by employing a quasiparticle description. The presence of anisotropy has modified the potential and then the thermal widths and binding energies of these states in a significant manner. The results show a quite visible shift in the values of dissociation temperatures as compared to the isotropic case. Further, the hot QCD medium interaction effects suppress the dissociation temperature as compared to the case where we consider the medium as a noninteracting ultrarelativistic gas of quarks (antiquarks) and gluons.
dc.description.statementofresponsibility by Mohammad Yousuf Jamal, Indrani Nilima, Vinod Chandra and Vineet Kumar Agotiya
dc.format.extent vol. 97, no. 9
dc.language.iso en en_US
dc.publisher American Physical Society en_US
dc.title Dissociation of heavy quarkonia in an anisotropic hot QCD medium in a quasiparticle model en_US
dc.type Article en_US
dc.relation.journal Physical Review D


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