PPC 2022: XV International Conference on Interconnections between Particle Physics and Cosmology

Cosmological collider signatures of massive gauge bosons

7 Jun 2022, 17:00

15m

Parallel

Speaker

Moinul Rahat

Description

The inflationary universe could be an interesting testbed of beyond the Standard Model theories at energies far above the reach of terrestrial colliders. In this talk, I will discuss the production of massive $U(1)$ gauge bosons during inflation and show that it leaves characteristic signatures in CMB spectrum and creates gravitational waves detectable at LIGO/LISA interferometers. I will also talk about the prospect of detecting nongaussianity and parity violation in these signals.

Presentation materials

PPC2022_Rahat.pdf