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  3. <b>High Energy-Astrophysics</b><br><i>Are Radio Telescopes the Future of Dark Energy?</i>
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<b>High Energy-Astrophysics</b><br><i>Are Radio Telescopes the Future of Dark Energy?</i>

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Monday, December 14, 2009
5:00 AM
335 West Hall

Speaker: Judd Bowman (Caltech)

Mapping diffuse 21 cm emission from neutral hydrogen gas between redshifts 06). In this talk, I will describe the development of the 21 cm intensity mapping approach in the context of reionization science for the Murchson Widefield Array (MWA) in Western Australia. I will then outline how the technique can be applied to yield Stage-IV Dark Energy constraints based on an instrument concept dubbed the Cosmological Acceleration and Radio Pulsar Experiment (CARPE).

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