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[6.14]Cosmological Collider Phenomenology: the Standard Model and Beyond
文章来源:  |  发布时间:2018-06-12  |  浏览:
Title: Cosmological Collider Phenomenology: the Standard Model and Beyond
 
Speaker: Dr. Zhong-Zhi Xianyu (Harvard University)
 

Time: 3:00PM, June 14th, 2018 (Thur.)

Place: Theoretical Physics Division, 319

 

Abstract:
The n-point correlation functions (n>2) of primordial fluctuations, known as primordial non-Gaussianities, encode rich information about the physical degrees of freedom and their interactions at inflation scale, and can be viewed as signals from a cosmological collider with huge energy. In this talk we introduce recent theoretical attempts to extract new physics at the inflation scale from primordial non-Gaussianities, including possible discovery channels, the background signals from the standard model, and signals from new physics such as heavy neutrinos.
 
Speaker introduction:
Zhong-Zhi Xianyu is currently postdoctoral fellow at Harvard University. He received his Ph. D in physics from Center for High Energy Physics at Tsinghua University, in 2015. His research interest covers several aspects of theoretical particle physics, cosmology, and astrophysics, including inflation theory, primordial non-Gaussianities, gravitational waves, etc.
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