Effect of magnetic screening mass on the diffusion of heavy quarks

Jan-e Alam; Mahfuzur Rahaman; Sabyasachi Ghosh; Santosh K. Das

Effect of magnetic screening mass on the diffusion of heavy quarks

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arxiv 2001.07071 v1 pith:4OY7HRXL submitted 2020-01-20 nucl-th hep-ph

Mahfuzur Rahaman , Santosh K. Das , Jan-e Alam , Sabyasachi Ghosh This is my paper · ORCID

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keywords diffusionheavymagneticscreeningcoefficientsquarksbeendrag

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The drag and diffusion coefficients of heavy quarks propagating through quark gluon plasma (QGP) have been estimated by shielding both the electric and magnetic type infra-red divergences. The electric type screening in perturbative quantum chromodynamics (pQCD) has been widely studied and used in evaluating the diffusion coefficient of heavy quarks (HQs). To our knowledge the impact of magnetic screening in diffusion coefficients of HQs is not studied before. It is found that the effect of magnetic screening mass on the drag and diffusion coefficients of HQs is quite significant and its contribution should not be ignored for explaining the experimental data of heavy quark observables.

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