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Hamburg 2016 – wissenschaftliches Programm

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GR: Fachverband Gravitation und Relativitätstheorie

GR 7: Cosmology

GR 7.3: Vortrag

Mittwoch, 2. März 2016, 17:45–18:05, VMP6 HS A

Models of reionization and dark matter decay — •Isabel Oldengott, Daniel Boriero, and Dominik Schwarz — Universität Bielefeld

We investigate two different parametrizations of cosmic reionization and their impact on the CMB anisotropy spectrum. We furthermore include an additional source of reionization which we assume to be the decay of a dark matter species and which can in principle modify the ionization history of the universe already at relatively high redshifts. Given the uncertainties of cosmic reionization we want to understand how reliably we can constrain dark matter quantities like the decay rate.

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