Closed form expressions for certain improper integrals of mathematical physics B. Ananthanarayan, Tanay Pathak and Kartik Sharma Eur. Phys. J. Spec. Top., 233 11-12 (2024) 2057-2074 Published online: 08 February 2024 DOI: 10.1140/epjs/s11734-024-01103-8