Probing the Dark Matter Capture Rate in a Local Population of Brown Dwarfs with IceCube Gen 2

被引：0
作者：
Bhattacharjee, Pooja [1 ]
Calore, Francesca [2 ]
机构：
[1] Lab Annecy Le Vieux Phys Particules, F-74940 Annecy, France
[2] Lab Annecy Le Vieux Phys Theor, F-74940 Annecy Le Vieux, France
来源：
PARTICLES | 2024年 / 7卷 / 02期
关键词：
brown dwarf; dark matter; capture rate and self-annihilation; neutrino; IceCube Gen 2; SKY SURVEY; DISCOVERY; STARS; CONSTRAINTS; SIGNATURES; WIMPS; SUN;
D O I：
10.3390/particles7020028
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
This study explores the potential for dark matter annihilation within brown dwarfs, investigating an unconventional mechanism for neutrino production. Motivated by the efficient accumulation of dark matter particles in brown dwarfs through scattering interactions, we focus on a mass range above 10 GeV, considering dark matter annihilation channels chi chi ->nu nu<overline>nu nu<overline> through long-lived mediators. Using the projected sensitivity of IceCube Generation 2, we assess the detection capability of the local population of brown dwarfs within 20 pc and exclude dark matter-nucleon scattering with cross-sections as low as a few multiples of 10-36cm2.
引用
收藏
页码：489 / 501
页数：13
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