Soft Scattering Evaporation of Dark Matter Subhalos by Inner Galactic Gases

The large gap between a galactic dark matter subhalo's velocity and its own gravitational binding velocity creates the situation that small subhalos can be evaporated before dark matter thermalize with baryons due to the low binding velocity. In case dark matter acquires an electromagnetic dipo...

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Veröffentlicht in:	arXiv.org 2023-11
Hauptverfasser:	Xiao-jun, Bi, Gao, Yu, Jin, Mingjie, Lin, Yugen, Qian-Fei Xiang
Format:	Artikel
Sprache:	eng
Schlagworte:	Baryons Binding Cosmic rays Dark matter Dipole moments Energy transfer Evaporation rate Kinetic energy Magnetic dipoles Physics - Cosmology and Nongalactic Astrophysics Physics - High Energy Physics - Phenomenology Scattering
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