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hep-ph2023★ 1 cited
Challenges in Interpreting the NANOGrav 15-Year Data Set as Early Universe Gravitational Waves Produced by ALP Induced Instability
Michael Geller, Subhajit Ghosh, Sida Lu +1
In this paper, we study a possible early universe source for the recent observation of a stochastic gravitational wave background at the NANOGrav pulsar timing array. The source is…
hep-ph2022
Signatures of generalized ALP interactions in SM decays of mesons
Subhajit Ghosh, Triparno Bandyopadhyay, Tuhin S. Roy
In addition to giving rise to spectacular new physics signals in the final states of meson decays, Axion-like-particles also induce modifications in the standard model decays of me…