Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2010-12-21
JCAP 1103:051,2011
Physics
High Energy Physics
High Energy Physics - Phenomenology
57 pages with many figures and tables. v2: several discussions and references added, some figures improved, matches version pu
Scientific paper
10.1088/1475-7516/2011/03/051
We provide ingredients and recipes for computing signals of TeV-scale Dark Matter annihilations and decays in the Galaxy and beyond. For each DM channel, we present the energy spectra of electrons and positrons, antiprotons, antideuterons, gamma rays, neutrinos and antineutrinos e, mu, tau at production, computed by high-statistics simulations. We estimate the Monte Carlo uncertainty by comparing the results yielded by the Pythia and Herwig event generators. We then provide the propagation functions for charged particles in the Galaxy, for several DM distribution profiles and sets of propagation parameters. Propagation of electrons and positrons is performed with an improved semi-analytic method that takes into account position-dependent energy losses in the Milky Way. Using such propagation functions, we compute the energy spectra of electrons and positrons, antiprotons and antideuterons at the location of the Earth. We then present the gamma ray fluxes, both from prompt emission and from Inverse Compton scattering in the galactic halo. Finally, we provide the spectra of extragalactic gamma rays. All results are available in numerical form and ready to be consumed.
Cirelli Marco
Corcella Gennaro
Hektor Andi
Hütsi Gert
Kadastik Mario
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