Prospects for Light Dark Matter Searches at Large-Volume Neutrino Detectors

被引：3

作者：

Dutta, Bhaskar ^{[1
]}

Huang, Wei-Chih ^{[1
]}

Kim, Doojin ^{[1
,2
]}

Newstead, Jayden L. ^{[3
]}

Park, Jong-Chul ^{[4
,5
]}

Ali, Iman Shaukat ^{[3
]}

机构：

[1] Texas A&M Univ, Mitchell Inst Fundamental Phys & Astron, Dept Phys & Astron, College Stn, TX 77843 USA

[2] Univ South Dakota, Dept Phys, Vermillion, SD 57069 USA

[3] Univ Melbourne, ARC Ctr Excellence Dark Matter Particle Phys, Sch Phys, Parkville, Vic 3010, Australia

[4] Chungnam Natl Univ, Dept Phys, Daejeon 34134, South Korea

[5] Chungnam Natl Univ, Inst Quantum Syst IQS, Daejeon 34134, South Korea

来源：

PHYSICAL REVIEW LETTERS | 2024年 / 133卷 / 16期

基金：

澳大利亚研究理事会; 新加坡国家研究基金会;

关键词：

HIGH-RESOLUTION E; E'; OXYGEN ISOTOPES; M2; TRANSITIONS; ISOVECTOR M1; BOREXINO;

D O I：

10.1103/PhysRevLett.133.161801

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We propose a new approach to search for light dark matter (DM), with keV-GeV mass, via inelastic nucleus scattering at large-volume neutrino detectors such as Borexino, DUNE, Super-K, Hyper-K, and JUNO. The approach uses inelastic nuclear scattering of cosmic-ray boosted DM, enabling a lowbackground search for DM in these experiments. Large neutrino detectors, with higher thresholds than dark matter detectors, can be used, since the nuclear deexcitation lines are O(10) MeV. Using a hadrophilic dark-gauge-boson-portal model as a benchmark, we show that the nuclear inelastic channels generally provide better sensitivity than the elastic scattering for a large region of light DM parameter space.

引用

页数：8

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