ITP OpenIR  > SCI期刊论文
Fornal, Bartosz; Sandick, Pearl; Shu, Jing1,2,3,4,5,6; Su, Meng7,8; Zhao, Yue
Boosted Dark Matter Interpretation of the XENON1T Excess
Source PublicationPHYSICAL REVIEW LETTERS
Language英语
AbstractWe propose boosted dark matter (BDM) as a possible explanation for the excess of keV electron recoil events observed by XENON1T. BDM particles have velocities much larger than those typical of virialized dark matter, and, as such, BDM-electron scattering can naturally produce keV electron recoils. We show that the required BDM-electron scattering cross sections can be easily realized in a simple model with a heavy vector mediator. Though these cross sections are too large for BDM to escape from the Sun, the BDM flux can originate from the Galactic Center or from halo dark matter annihilations. Furthermore, a daily modulation of the BDM signal will be present, which could not only be used to differentiate it from various backgrounds but would also provide important directional information for the BDM flux.
2020
ISSN0031-9007
Volume125Issue:16Pages:161804
Cooperation Status国际
Subject AreaPhysics
MOST Discipline CataloguePhysics, Multidisciplinary
DOI10.1103/PhysRevLett.125.161804
Indexed BySCIE
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/27167
CollectionSCI期刊论文
Affiliation1.Univ Utah, Dept Phys & Astron, Salt Lake City, UT 84112 USA
2.Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China
3.Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China
4.CAS Ctr Excellence Particle Phys, Beijing 100049, Peoples R China
5.Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China
6.Univ Chinese Acad Sci, Sch Fundamental Phys & Math Sci, Hangzhou Inst Adv Study, Hangzhou 310024, Peoples R China
7.Int Ctr Theoret Phys Asia Pacific, Beijing, Peoples R China
8.Univ Hong Kong, Dept Phys, Hong Kong 999077, Peoples R China
9.Univ Hong Kong, Lab Space Res, Hong Kong 999077, Peoples R China
Recommended Citation
GB/T 7714
Fornal, Bartosz,Sandick, Pearl,Shu, Jing,et al. Boosted Dark Matter Interpretation of the XENON1T Excess[J]. PHYSICAL REVIEW LETTERS,2020,125(16):161804.
APA Fornal, Bartosz,Sandick, Pearl,Shu, Jing,Su, Meng,&Zhao, Yue.(2020).Boosted Dark Matter Interpretation of the XENON1T Excess.PHYSICAL REVIEW LETTERS,125(16),161804.
MLA Fornal, Bartosz,et al."Boosted Dark Matter Interpretation of the XENON1T Excess".PHYSICAL REVIEW LETTERS 125.16(2020):161804.
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