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hep-ph2024
Improved Treatment of Bosonic Dark Matter Dynamics in Neutron Stars: Consequences and Constraints
Koushik Dutta, Deep Ghosh, Biswarup Mukhopadhyaya
It is conceivable that a bosonic dark matter (DM) with non-gravitational interactions with SM particles will be accumulated at the center of a neutron star (NS) and can lead to bla…
hep-ph2024
Revisiting big bang nucleosynthesis with a new particle species : effect of co-annihilation with nucleons
Deep Ghosh
In big bang nucleosynthesis (BBN), the light matter abundance is dictated by the neutron-to-proton () ratio which is controlled by the standard weak processes in the early uni…
hep-ph2024
Cosmological implications of inflaton-mediated dark and visible matter scatterings after reheating
Deep Ghosh, Sourav Gope, Satyanarayan Mukhopadhyay
The initial density of dark matter (DM) particles, otherwise secluded from the standard model (SM), may be generated at reheating, with an initial temperature ratio for internal th…