Jet substructure probe to freeze-in dark matter in alternative cosmological backgroundSaumyen Kundu, Sudipta Show, Partha Konar and Prasanta Kumar DasEur. Phys. J. Spec. Top., 233 11-12 (2024) 2129-2134DOI: https://doi.org/10.1140/epjs/s11734-024-01233-z