3 papers
hep-ph2026
Flavor specific chiral framework for explaining the ATOMKI anomaly
Aditya Batra, F. R. Joaquim, Hemant Prajapati +1
Recent anomalies in nuclear transitions observed by the ATOMKI Collaboration suggest the existence of a new boson with a mass of MeV. A theoretically consistent interpret…
hep-ph2024
The at CMB challenges light gauge boson scenarios
Dilip Kumar Ghosh, Purusottam Ghosh, Sk Jeesun +1
The relativistic degrees of freedom () is one of the crucial cosmological parameters. The precise measurement of at the time of cosmic microwave backgrou…
hep-ph2023
Hubble Tension and Cosmological Imprints of Gauge Symmetry: as a case study
Dilip Kumar Ghosh, Purusottam Ghosh, Sk Jeesun +1
The current upper limit on at the time of CMB by Planck 2018 can place stringent constraints in the parameter space of BSM paradigms where their additional interactio…