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Dark Matter from Late Invisible Decays to/of Gravitinos
Rouzbeh Allahverdi, Bhaskar Dutta, Farinaldo S. Queiroz +2
In this work, we sift a simple supersymmetric framework of late invisible decays to/of the gravitino. We investigate two cases where the gravitino is the lightest supersymmetric pa…
A Suzaku Search for Dark Matter Emission Lines in the X-ray Brightest Galaxy Clusters
O. Urban, N. Werner, S. W. Allen +3
We present the results of a search for unidentified emission lines in deep Suzaku X-ray spectra for the central regions of the four X-ray brightest galaxy clusters: Perseus, Coma,…
Solar neutrino physics with low-threshold dark matter detectors
J. Billard, L. Strigari, E. Figueroa-Feliciano
Dark matter detectors will soon be sensitive to Solar neutrinos via two distinct channels: coherent neutrino-nucleus scattering and neutrino electron elastic scattering. We establi…
Complementarity of dark matter detectors in light of the neutrino background
F. Ruppin, J. Billard, E. Figueroa-Feliciano +1
Direct detection dark matter experiments looking for WIMP-nucleus elastic scattering will soon be sensitive to an irreducible background from neutrinos which will drastically affec…
Cosmological Simulations of Decaying Dark Matter: Implications for Small-scale Structure of Dark Matter Halos
Mei-Yu Wang, Annika H. G. Peter, Louis E. Strigari +4
We present a set of N-body simulations of a class of models in which an unstable dark matter particle decays into a stable non-interacting dark matter particle, with decay lifetime…
Dynamical models for the Sculptor dwarf spheroidal in a Lambda CDM universe
Louis E. Strigari, Carlos S. Frenk, Simon D. M. White
The Sculptor dwarf spheroidal galaxy contains two distinct stellar populations: one metal-rich and the other metal-poor. Several authors have argued that in order for these two pop…