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Astronomy Tea Talks at Caltech

Mondays, Robinson 106
Tea:  4.00pm
Talk: 4.15pm

Organised by:

2007 - 2008 season:
21 April 2008 Judd Bowman (Caltech)

" 'First Light' from New 21 cm Probes of the Dark Ages and Reionization"


The application of the 21 cm hyperfine transition line of neutral hydrogen in the high-redshift intergalactic medium (IGM)
to probe cosmological reionization and the early universe is transitioning rapidly from the realm of theory to practice.
The Murchison Widefield Array (MWA) and the Experiment to the Detect the Global EOR Signature (EDGES), among other
projects, have recently passed important milestones. Assuming instrumental challenges and astrophysical foregrounds can
be overcome, these experiments will soon provide rich new insights into the Dark Ages and reionization, while pathing the
way to unique views of inflationary physics, large-scale structure, and even Dark Energy.
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Last modified on 20th Jul 2011 by Johan Richard.  

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