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Thursday, 8 November 2012, 15:00 in P8445A
Dr. Alireza Hojjati (Institute for the Early Universe, Ewha W. U.)
Lyman-alpha forest as a cosmological probe
Absorption of the ultra violet light (the Lyman-alpha lines) offers a unique probe of the neutral Hydrogen along the line of sight of quasars, which in turn is a way to trace dark matter distribution at high redshifts. After an introduction to the basics, I discuss some of the theoretical assumptions and approximations applied in describing the phenomena and how they can impact the estimation of cosmological parameters.
Seminars in 2012:
2012-11-08 15:00 in P8445A - Alireza Hojjati (Institute for the Early Universe, Ewha W. U.): Lyman-alpha forest as a cosmological probe 2012-11-22 13:30 in P8445B - Alireza Hojjati (Institute for the Early Universe, Ewha W. U.): Strong lensing and time-delay measurements
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Modified by Andrei Frolov <frolov@sfu.ca> on 2023-11-01