Thermal photons to dileptons ratio at LHC
Jajati K. Nayak, Jan-e Alam, Sourav Sarkar, Bikash Sinha
TL;DR
This paper demonstrates that the ratio of thermal photon to dilepton transverse momentum distributions in heavy ion collisions forms a plateau above 1 GeV, which can be used to estimate the initial temperature of the system.
Contribution
It introduces the use of the photon-to-dilepton ratio plateau as a novel method to estimate the initial temperature in heavy ion collisions.
Findings
The ratio reaches a plateau above p_T=1 GeV.
The plateau value correlates with the initial temperature.
Provides a new observable for temperature estimation in heavy ion experiments.
Abstract
It is shown that the ratio of transverse momentum (p_T) distribution of thermal photons to dileptons produced in heavy ion collisions reaches a plateau above p_T=1 GeV. We argue that the value of the ratio in the plateau region can be used to estimate the initial temperature.
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Taxonomy
TopicsHigh-Energy Particle Collisions Research · Particle physics theoretical and experimental studies · Black Holes and Theoretical Physics