| Autor: |
Kumar, Yogesh, Jain, Poonam, Bangotra, Pargin, Singh, D. V., Kumar, Vinod, Rajouria, S. K. |
| Zdroj: |
Brazilian Journal of Physics; Feb2024, Vol. 54 Issue 1, p1-9, 9p |
| Abstrakt: |
In this study, the production of diphotons in a hot and dense medium of Quark-Gluon Plasma (QGP) is investigated. The emission of photon pairs is one of the essential electromagnetic probes in the sector of QGP and hadron gas. Experimentalists are striving to confirm this unique signature at the Relativistic Heavy-Ion Collider (RHIC) and Large Hadron Collider (LHC). This study is an extension of Kumar et al. [Phys. Scr. 96 (2021) 124060], in which finite quark mass has been incorporated, neglecting the value of chemical potential. Since experiments confirmed the appreciable amount of chemical potential in heavy nucleus-nucleus collisions, it provides us the chance to explore various features of quark-gluon plasma. To see the behaviour of diphoton mass spectra in the QGP phase and the hadronic phase, on account of using a finite chemical potential since these values cannot be neglected at the time of QGP creation. We employ a simple quasi-particle model in a hot and dense system of quarks and gluons and show some intriguing results of diphoton production rate with a finite value of chemical potential in the region of QGP and hadronic phase. The production rate shows a significant enhancement by considering a non-vanishing chemical potential. We compare the results that we obtained with those of the previous theoretical studies. These results contribute to the further understanding of diphotons, which helps in probing the properties of quark-gluon plasma and heavy-ion collision studies at LHC and RHIC. [ABSTRACT FROM AUTHOR] |
| Databáze: |
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