报告题目：Cosmological collider physics: recent progress and challenges

报告人：鲜于中之 助理教授（清华大学）

报告时间：2022年5月19日（周四）下午15:30-16:30

报告地点：在线报告（腾讯会议ID：442 4477 5872）

报告摘要：

Heavy particles can be produced on shell during inflation and leave distinct signals in the correlations of density fluctuations. These so-called cosmological collider signals can be searched for in the future CMB/LSS/21cm observations. In this talk I will introduce the basics of the cosmological collider program. I will then talk about our current understanding of the signal structure and the underlying particle physics models. I’ll also talk about the theory challenges and recent efforts in computing inflation correlators.

报告人简介：

Zhong-Zhi Xianyu is an assistant professor at Department of Physics, Tsinghua University. He obtained his PhD in 2015 from Tsinghua and was a postdoc at Harvard from 2015 to 2020. He works mainly in theoretical particle physics and cosmology. His recent research interests include the cosmological collider physics, new physics in the early universe and in astrophysical systems, gravitational wave astronomy, etc.

报告链接：

Cosmological collider physics: recent progress and challenges_哔哩哔哩_bilibili