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Offset of the dark matter cusp and the interpretation of the 130 GeV line as a dark matter signal

par Gorbunov, Dmitry S.;Tiniakov, Petr
Référence Physical review. D, Particles, fields, gravitation, and cosmology, 87, 8, 081302
Publication Publié, 2013-04

Article révisé par les pairs

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Résumé :

We show that the cusp in the dark matter distribution required to explain the recently found excess in the gamma-ray spectrum at energies ∼130 GeV in terms of the dark matter annihilations cannot survive the tidal forces if it is offset by ∼1.5 from the Galactic center as suggested by observations. © 2013 American Physical Society.