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3 papers
Scalar-induced gravitational wave interpretation of PTA data: the role of scalar fluctuation propagation speed
Shyam Balaji, Guillem Domènech, Gabriele Franciolini
Pulsar timing arrays gathered evidence of the presence of a gravitational wave background around nHz frequencies. If the gravitational wave background was induced by large and Gaus…
Multimessenger search for electrophilic feebly interacting particles from supernovae
Pedro De la Torre Luque, Shyam Balaji, Pierluca Carenza
We study MeV-scale electrophilic Feebly Interacting Particles (FIPs), that may be abundantly produced in Supernova (SN) explosions, escape the star and decay into electrons and pos…
Robust constraints on feebly interacting particles using XMM-Newton
Pedro De la Torre Luque, Shyam Balaji, Pierluca Carenza
During galactic Supernova (SN) explosions, a large amount of feebly interacting particles (FIPs) may be produced. In this work we analyze electrophilic FIPs with masses in the MeV-…