Journal
PHYSICAL REVIEW D
Volume 99, Issue 9, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.99.094022
Keywords
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Funding
- Department of Atomic Energy (DAE), India via the project A Large Ion Collider Experiment (ALICE)/Saha Institute of Nuclear Physics (SINP)
- DAE/ALICE/SINP
- School of Physical Sciences (SPS), National Institute of Science Education and Research (NISER)
- DAE
- DAE via project TPAES
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We have computed the hard dilepton production rate from a weakly magnetized deconfined QCD medium within one-loop photon self-energy by considering one hard and one thermomagnetic resummed quark propagator in the loop. In the presence of the magnetic field, the resummed propagator leads to four quasiparticle modes. The production of a hard dilepton consists of rates when all four quasiquarks originating from the poles of the propagator individually annihilate with a hard quark coming from a bare propagator in the loop. Besides these, there are also contributions from a mixture of pole and Landau cut part. In weak field approximation, the magnetic field appears as a perturbative correction to the thermal contribution. Since the calculation is very involved, for a first effort as well as for simplicity, we obtained the rate up to first order in the magnetic field, i.e., O [(eB)], which causes a marginal improvement over that in the absence of magnetic field.
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