%0 Journal Article
%T Remnants of Galactic Subhalos and Their Impact on Indirect Dark-Matter Searches
%+ Laboratoire Univers et Particules de Montpellier (LUPM)
%+ Instituto de Física Teórica UAM/CSIC (IFT)
%A Stref, Martin
%A Lacroix, Thomas
%A Lavalle, Julien
%Z J.L. and M.S. are partly supported by the Agence Nationale pour la Recherche (ANR)Project No. ANR-18-CE31-0006, the Origines, Constituants, et EVolution de l’Univers (OCEVU) Labex(No. ANR-11-LABX-0060), the CNRS IN2P3-Theory/INSU-PNHE-PNCG project “Galactic Dark Matter,” andthe European Union’s Horizon 2020 Research and Innovation Program under Marie Skłodowska-Curie GrantAgreements No. 690575 and No. 674896, in addition to recurrent funding by the Centre National de la RechercheScientifique (CNRS) and the University of Montpellier. T.L. is supported by the European Union’s Horizon 2020Research and Innovation Program under the Marie Skłodowska-Curie grant agreement No. 713366. The work ofTL was also supported by the Spanish Agencia Estatal de Investigación through grants PGC2018-095161-B-I00,IFT Centro de Excelencia Severo Ochoa SEV-2016-0597, and Red Consolider MultiDark FPA2017-90566-REDC
%Z 17 pages, 13 figures, invited contribution submitted to Galaxies, Special Issue "The Role of Halo Substructure in Gamma-Ray Dark Matter Searches"
%< avec comité de lecture
%Z LUPM:19-050
%@ 2075-4434
%J Galaxies
%I MDPI
%V 7
%N 2
%P 65
%8 2019
%D 2019
%Z 1905.02008
%R 10.3390/galaxies7020065
%K Particle dark matter
%K Subhalos
%K Indirect searches
%Z Physics [physics]/High Energy Physics - Phenomenology [hep-ph]
%Z Sciences of the Universe [physics]/Astrophysics [astro-ph]/Galactic Astrophysics [astro-ph.GA]Journal articles
%X Dark matter subhalos, predicted in large numbers in the cold dark matter scenario, should have an impact on particle dark matter searches. Recent results show that tidal disruption of these objects in computer simulations is over-efficient due to numerical artifacts and resolution effects. Accounting for these results, we re-estimate the subhalo abundance in the Milky Way using semi-analytical techniques. In particular, we show that the boost factor for gamma rays and cosmic-ray antiprotons is increased by roughly a factor of two.
%G English
%2 https://hal.science/hal-02123884/document
%2 https://hal.science/hal-02123884/file/galaxies-07-00065-v3.pdf
%L hal-02123884
%U https://hal.science/hal-02123884
%~ IN2P3
%~ CNRS
%~ OPENAIRE
%~ LUPM
%~ UNIV-MONTPELLIER
%~ LUPM_IFAC
%~ ANR
%~ UM-2015-2021