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hep-ph2025
Constraining Inflation via FIMP dark matter using the -function with collider implications
Sarif Khan, Sourov Roy, Ananya Tapadar
The present study connects inflation and freeze-in type dark matter (DM) within the same setup. Although the observables in these two phenomena lie at vastly different energy scale…
hep-ph2025★ 3 cited
Constraining eV-scale axion-like particle dark matter: insights from the M87 Galaxy
Arpan Kar, Sourov Roy, Pratick Sarkar
Axion-like particles (ALPs) can account for the observed dark matter (DM) of the Universe and if their masses are at the eV scale, they can decay into infrared, optical and ultravi…