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Colloquium by Will Percival (Univ. Portsmouth)

Cosmological Measurements from Galaxy Clustering

Abstract: 

In this talk I will review how galaxy surveys can provide cosmological information, looking towards answering the big question of “What is Dark Energy, the process driving cosmological acceleration?” I will introduce Baryon Acoustic Oscillations and Redshift-Space Distortions, two processes by which physics is encoded in the observed pattern of galaxies. I will then present recent measurements from the Baryon Oscillation Spectroscopic Survey (BOSS). I will then look ahead to future ongoing and future galaxy surveys including the extended Baryon Oscillation Spectroscopic Survey (eBOSS), Dark Energy Spectroscopic Instrument ( DESI ), and the European Space Agency Euclid satellite mission. 

Time: Apr. 12, 2016, 2:30 pm

Venue: Multi-Function Hall/多功能厅, NAOC