Results 101 to 110 of about 326,974 (218)

Searching accretion-enhanced dark matter annihilation signals in the Galactic Centre

open access: yesJournal of High Energy Physics
This study reanalyzes the detection prospects of dark matter (DM) annihilation signals in the Galactic Center, focusing on velocity-dependent dynamics within a spike density near the supermassive black hole (Sgr A⋆).
Meiwen Yang   +7 more
doaj   +1 more source

Regulating Sommerfeld resonances for multi-state systems and higher partial waves

open access: yesJournal of High Energy Physics
Long-range attractive interactions between dark matter particles can significantly enhance their annihilation, particularly at low velocities. This “Sommerfeld enhancement” is typically computed by evaluating the deformation of the two-particle ...
Aditya Parikh   +2 more
doaj   +1 more source

Investigation on defects of Sb doped SnO2thin films by positron annihilation

open access: gold, 2014
Wenfeng Mao   +5 more
openalex   +1 more source

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