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- Title
Probing dark matter using free leptons: PKMUON.
- Authors
Ruzi, Alim; Zhou, Chen; Sun, Xiaohu; Wang, Dayong; Wang, Siguang; Ban, Yong; Mao, Yajun; Li, Qite; Li, Qiang
- Abstract
We propose a new method to detect sub-GeV dark matter, through their scatterings from free leptons and the resulting kinematic shifts. Especially, such an experiment can detect dark matter interacting solely with muons. The experiment proposed here is for directly probing the muonphilic dark matter in a model-independent way. Its complementarity with the muon on the target proposal is similar to e.g. XENON/PandaX and ATLAS/CMS on the dark matter searches. Moreover, our proposal can work better for relatively heavy dark matter such as those in the sub-GeV region. We start with a small device of a size around 0.1–1 m, using atmospheric muons to set up a prototype. Within only one year of operation, the sensitivity on the cross-section of dark matter scattering with muons can already reach σ D ∼ 1 0 − 1 9 (− 2 0 , − 1 8) cm 2 for the dark matter mass M D = 1 0 0 (10, 1000) MeV. We can then interface the device with a high-intensity muon beam of 1 0 1 2 /bunch. Within one year, the sensitivity can reach σ D ∼ 1 0 − 2 7 (− 2 8 , − 2 6) cm 2 for M D = 1 0 0 (10, 1000) MeV.
- Subjects
DARK matter; WEAKLY interacting massive particles; PHOTOMULTIPLIERS; MUONS
- Publication
International Journal of Modern Physics A: Particles & Fields; Gravitation; Cosmology; Nuclear Physics, 2023, Vol 38, Issue 29/30, p1
- ISSN
0217-751X
- Publication type
Article
- DOI
10.1142/S0217751X23501543