Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011xau5.confe..46r&link_type=abstract
"The Second Ferrara Workshop on "X-ray Astrophysics up to 511 keV", held in Ferrara (Italy), September 14 - 16, 2011, article #4
Astronomy and Astrophysics
Astrophysics
Scientific paper
The study of the dark matter (DM) and baryonic mass distribution of galaxy clusters over a range of scales and across cosmic time can test the physical foundations of the currently favored Lambda-CDM scenario. I'll present an HST Treasury program, CLASH, in coordination with VLT and Chandra observations designed to measure the dark matter distribution of massive galaxy clusters with unprecedented accuracy using lensing, X-ray and dynamical methods. In addition, the measurement of the mass density profile in the densest inner cores can be used to set limits on the self-interaction cross section of the DM, complementing other limits from indirect searches of DM in the high-energy regime. I will also briefly discuss future prospects for future wide-area X-ray surveys.
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