Thermal photon to dilepton ratio in ultra-relativistic heavy ion collisions

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dc.creatorNayak, Jajati K.
dc.creatorAlam, Jane
dc.creatorSarkar, Sourav
dc.creatorSinha, Bikash
dc.date2007-05-11
dc.date2009-02-03
dc.date.accessioned2026-07-07T12:36:39Z
dc.date.available2026-07-07T12:36:39Z
dc.descriptionThe ratio of transverse momentum distribution of thermal photons to dilepton has been evaluated. It is observed that this ratio reaches a plateau beyond a certain value of transverse momentum. We argue that this ratio can be used to estimate the initial temperature of the system by selecting the transverse momentum and invariance mass windows judiciously. It is demonstrated that if the radial flow is large then the plateau disappear and hence a deviation from the plateau can be used as an indicator of large radial flow. The sensitivity of the results on various input parameters has been studied.
dc.description9 pages with 11 eps figures
dc.identifierhttps://arxiv.org/abs/0705.1591
dc.identifierhttp://arxiv.org/abs/0705.1591
dc.identifierPhys.Rev.C78:034903,2008
dc.identifierdoi:10.1103/PhysRevC.78.034903
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/218167
dc.subjectNuclear Theory
dc.titleThermal photon to dilepton ratio in ultra-relativistic heavy ion collisions
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