Cosmic Microwave Background-observations from the Atacama Desert (informal talk)

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 Time:  Tuesday, January 08, 2019, 02:00pm
 Title:  Cosmic Microwave Background-observations from the Atacama Desert (informal talk)
 Speaker:  Dr. Zhilei Xu (University of Pennsylvania)
 Location:

蒙民伟科技南楼S621


ABSTRACT

The Cosmic Microwave Background (CMB) is the most ancient radiation observed, carrying primeval information of the early universe. During the past decades, the CMB observations have revealed basic properties of the universe with remarkable precision (including the age, curvature, and contents of the universe etc.). Looking ahead, the CMB observations are expected to inform us much more, including the origin of the initial condition. In my talk, I will introduce the background of the CMB observations and present the design and scientific goals of several on-going CMB experiments I am involved in, including the Atacama Cosmology Telescope (ACT), the Cosmology Large Angular Scale Surveyor (CLASS), the Simons Observatory (SO), and CMB-S4.


Slides: 20190108-Xu.pdf