7-10 February 2023
Blue Lily Beach Resort, Puri, Odisha
Asia/Kolkata timezone

The production rate of dilepton from magnetized hot hadronic matter

7 Feb 2023, 18:10
15m
Hall 1 (Sapphire)

Hall 1 (Sapphire)

Oral Presentation Strong interactions in electromagnetic fields Parallel Session IIB (Chair : Dr. Sourav Sarkar)

Speaker

Mr Rajkumar Mondal (VECC, Kolkata)

Description

The rate of dilepton production is calculated from a hot magnetized hadronic medium in the framework of real time formalism of finite temperature field theory. The principal component in dilepton production is the thermo-magnetic spectral function of $\rho^0$ obtained by solving the Dyson-Schwinger equation. This is followed by evaluating the one loop self-energy of $\rho^0$ containing thermo-magnetic propagators of charged pion in the loop. The study of analytic structure of thermo-magnetic spectral function shows that there is a non-trivial yield in dileption production in low invariant mass region due to the fact that charged pions occupy different Landau levels before and after scattering of $\rho^0$ in addition to the usual contribution coming from Unitary cut beyond two pions threshold. This is purely magnetic field effect.

Primary author

Mr Rajkumar Mondal (VECC, Kolkata)

Co-authors

Snigdha Ghosh (Government General Degree College Kharagpur-II) Nilanjan Chaudhuri (Variable Energy Cyclotron Centre) Prof. Sourav Sarkar (VECC, Kolkata) Prof. Pradip Roy (SINP, Kolkata)

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