NAOC Open IR
Semi-annihilating Z(3) dark matter for XENON1T excess
Ko, P.1; Tang, Yong2,3,4,5
2021-04-10
Source PublicationPHYSICS LETTERS B
ISSN0370-2693
Volume815Pages:7
AbstractThe recently reported result from XENON1T experiment indicates that there is an excess with 3.5ssignificance in the electronic recoil events. Interpreted as new physics, new sources are needed to account for the electronic scattering. We show that a dark fermion psi with mass about O(10) MeV from semiannihilation of Z(3) dark matter X and subsequent decay of a dark gauge boson V-mu may be responsible for the excess. The relevant semi-annihilation process is X+ X -> (X) over bar+ V-mu(->psi+(psi) over bar), in which the final.has a box-shape energy spectrum. The fast-moving.can scatter with electron through an additional gauge boson that mixes with photon kinetically. The shape of the signals in this model can be consistent with the observed excess. The additional interaction with proton makes this model testable in future searches for nucleus recoil as well. Because of the lightness of invisible particle introduced, this scenario requires non-standard cosmology to accommodate the additional radiation component. (C) 2021 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP3.
Funding OrganizationKIAS Individual Grant at Korea Institute for Advanced Study ; KIAS Individual Grant at Korea Institute for Advanced Study ; National Research Foundation of Korea (NRF) - Korea government (MSIT) ; National Research Foundation of Korea (NRF) - Korea government (MSIT) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; KIAS Individual Grant at Korea Institute for Advanced Study ; KIAS Individual Grant at Korea Institute for Advanced Study ; National Research Foundation of Korea (NRF) - Korea government (MSIT) ; National Research Foundation of Korea (NRF) - Korea government (MSIT) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; KIAS Individual Grant at Korea Institute for Advanced Study ; KIAS Individual Grant at Korea Institute for Advanced Study ; National Research Foundation of Korea (NRF) - Korea government (MSIT) ; National Research Foundation of Korea (NRF) - Korea government (MSIT) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; KIAS Individual Grant at Korea Institute for Advanced Study ; KIAS Individual Grant at Korea Institute for Advanced Study ; National Research Foundation of Korea (NRF) - Korea government (MSIT) ; National Research Foundation of Korea (NRF) - Korea government (MSIT) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities
DOI10.1016/j.physletb.2021.136181
Language英语
Funding ProjectKIAS Individual Grant at Korea Institute for Advanced Study[PG021403] ; National Research Foundation of Korea (NRF) - Korea government (MSIT)[NRF-2019R1A2C3005009] ; National Natural Science Foundation of China (NSFC)[11851302] ; Fundamental Research Funds for the Central Universities
Funding OrganizationKIAS Individual Grant at Korea Institute for Advanced Study ; KIAS Individual Grant at Korea Institute for Advanced Study ; National Research Foundation of Korea (NRF) - Korea government (MSIT) ; National Research Foundation of Korea (NRF) - Korea government (MSIT) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; KIAS Individual Grant at Korea Institute for Advanced Study ; KIAS Individual Grant at Korea Institute for Advanced Study ; National Research Foundation of Korea (NRF) - Korea government (MSIT) ; National Research Foundation of Korea (NRF) - Korea government (MSIT) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; KIAS Individual Grant at Korea Institute for Advanced Study ; KIAS Individual Grant at Korea Institute for Advanced Study ; National Research Foundation of Korea (NRF) - Korea government (MSIT) ; National Research Foundation of Korea (NRF) - Korea government (MSIT) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; KIAS Individual Grant at Korea Institute for Advanced Study ; KIAS Individual Grant at Korea Institute for Advanced Study ; National Research Foundation of Korea (NRF) - Korea government (MSIT) ; National Research Foundation of Korea (NRF) - Korea government (MSIT) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities
WOS Research AreaAstronomy & Astrophysics ; Physics
WOS SubjectAstronomy & Astrophysics ; Physics, Nuclear ; Physics, Particles & Fields
WOS IDWOS:000632729200006
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/78373
Collection中国科学院国家天文台
Corresponding AuthorTang, Yong
Affiliation1.Korea Inst Adv Study, Seoul 02445, South Korea
2.Univ Chinese Acad Sci UCAS, Sch Astron & Space Sci, Beijing 100049, Peoples R China
3.UCAS, Hangzhou Inst Adv Study, Sch Fundamental Phys & Math Sci, Hangzhou 310024, Peoples R China
4.Int Ctr Theoret Phys Asia Pacific, Beijing, Peoples R China
5.Chinese Acad Sci, Natl Astron Observ, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Ko, P.,Tang, Yong. Semi-annihilating Z(3) dark matter for XENON1T excess[J]. PHYSICS LETTERS B,2021,815:7.
APA Ko, P.,&Tang, Yong.(2021).Semi-annihilating Z(3) dark matter for XENON1T excess.PHYSICS LETTERS B,815,7.
MLA Ko, P.,et al."Semi-annihilating Z(3) dark matter for XENON1T excess".PHYSICS LETTERS B 815(2021):7.
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