Event calendar file
13-16 September 2023
University of Warsaw, Faculty of Physics
Europe/Warsaw timezone
Higgs-R2 inflation and cosmological collider physics
Presented by Yohei EMA
on
16 Sep 2023
from
15:00
to
15:30
Session:
Plenary Session 12
Content
Higgs-R2 inflation is a well-motivated model of inflation as it solves the unitarity issue of Higgs inflation, is consistent with the current CMB observation, and is within the scope of the near future B-mode observation. In this talk, I will first review these basic properties of Higgs-R2 inflation. I then show that the isocurvature mode, which is a mixture of the Higgs boson and the scalaron, can potentially leave an enhanced cosmological collider signature. Although this happens only in a rather limited parameter region, this serves as an explicit realization of the idea of quasi-single field inflation.
Place
Location: University of Warsaw, Faculty of Physics
Address: Pasteura 5 Street, 02-093 Warsaw, Poland
Room: 0.06
