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Laura Lopez Honorez, Universite Libre de Bruxelles [HET Seminar], Non-cold dark matter imprint on 21cm
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US/Eastern
CFNS Library, 2nd Floor (https://bnl.zoomgov.com/j/1605506805?pwd=AA9rwL4hM5AwG2b0zEwDdXjzhvJjSz.1)
CFNS Library, 2nd Floor
https://bnl.zoomgov.com/j/1605506805?pwd=AA9rwL4hM5AwG2b0zEwDdXjzhvJjSz.1
Description
The redshifted 21cm signal from Cosmic Dawn promises to open a new window into the early history of our universe and enable the probing of an unprecedented comoving survey volume. In my talk, I will revisit the imprint of warm dark matter as a benchmark for Non cold dark matter (NCDM) on the 21cm signal power spectrum, discuss the degeneracies with astrophysics and emphasize the important role played by the threshold mass for star-forming galaxies, Mturn, in determining the sensitivity of near future radio telescopes to probe NCDM.
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