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(Seminar) Recent progress in cosmological collider physics
2021-05-12     Text Size:  A

CAS Key Laboratory of Theoretical Physics

Institute of Theoretical Physics

Chinese Academy of Sciences

 Seminar

Title

题目

Recent progress in cosmological collider physics

Speaker

报告人

鲜于中之 (助理教授)

Affiliation

所在单位

清华大学物理系

Date

日期

2021年5月12日(周三)15:00

Venue

地点

ITP South Building 6620

Contact Person

所内联系人

于江浩

Abstract

摘要

Heavy particles can be produced on shell during inflation and leave distinct signals in the correlations of density fluctuations. These signals can be searched for in the future CMB/LSS/21cm observations. In this talk I will introduce the basics of this cosmological collider program. I will then describe some recent works along this direction with fun physics and visibly large signals, including seeing heavy neutrinos, probing CP violations, missing energies, and a scenario of Cosmological Higgs Collider where the high-energy Higgs interactions can be measured from the primordial non-Gaussianity.
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