Searching for dark matter in the Sun using Hyper-Kamiokande

被引：12
|
作者：
Bell, Nicole F. [1 ]
Dolan, Matthew J. [1 ]
Robles, Sandra [1 ]
机构：
[1] Univ Melbourne, ARC Ctr Excellence Dark Matter Particle Phys, Sch Phys, Melbourne, Vic 3010, Australia
来源：
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS | 2021年 / 11期
基金：
澳大利亚研究理事会;
关键词：
dark matter theory; neutrino detectors; NEUTRINOS; CAPTURE;
D O I：
10.1088/1475-7516/2021/11/004
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We study the ability of the Hyper-Kamiokande (HyperK) experiment, currently under construction, to constrain a neutrino signal produced via the annihilation of dark matter captured in the Sun. We simulate upward stopping and upward through-going muon events at HyperK, using Super-Kamiokande (SuperK) atmospheric neutrino results for validation, together with fully and partially contained events. Considering the annihilation of dark matter to various standard model final states, we determined the HyperK sensitivity to the dark matter spin-dependent scattering cross-section. We find that HyperK will improve upon current SuperK limits by a factor of 2-3, with a further improvement in sensitivity possible if systematic errors can be decreased relative to SuperK.
引用
收藏
页数：21
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