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Niu, JS; Li, TJ; Zong, WK; Xue, HF; Wang, Y4
Probing the dark matter-electron interactions via hydrogen-atmosphere pulsating white dwarfs
Source PublicationPHYSICAL REVIEW D
Language英语
KeywordEVOLUTIONARY STARS EVAPORATION PULSARS
AbstractIn this work, we propose a novel scenario to probe the interactions between dark matter (DM) particles and electrons via hydrogen-atmosphere pulsating white dwarfs (DAVs) in globular clusters. In this special configuration, the DM particles, which are predominantly captured by multiple scattering with the electrons in a DAV, would annihilate by pairs and provide extra energy source to the DAV. This mechanism slows down the natural cooling evolution which can be presented by the period variation rates of pulsation modes. The differences between the secular rates predicted by the precise asteroseismology and the secular rates obtained from observation can reveal the DM-electron interactions. An important observable has been proposed and corresponding estimations have been made. According to the estimations, if this scenario could be implemented in the near future, the potential sensitivity on m(chi) (DM particle's mass) and sigma(chi,e) (elastic scattering cross section between DM and electron) could be hopefully extended to a region 5 GeV less than or similar to m(chi) less than or similar to 10(4) GeV and sigma(chi,e) greater than or similar to 10(-40) cm(2). Combining with indirect DM detection results, this could give us a cross check on the existence of such leptonphilic DM particles to some extent.
2018
ISSN2470-0010
Volume98Issue:10Pages:103023
Subject AreaAstronomy & Astrophysics ; Physics
MOST Discipline CatalogueAstronomy & Astrophysics ; Physics, Particles & Fields
DOI10.1103/PhysRevD.98.103023
Indexed BySCIE
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/22776
Collection理论物理所科研产出_SCI论文
Affiliation1.Shanxi Univ, Inst Theoret Phys, Taiyuan 030006, Peoples R China
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, 19A Yuquan Rd, Beijing 100049, Peoples R China
4.Beijing Normal Univ, Dept Astron, Beijing 100875, Peoples R China
5.Shanxi Univ, Sch Math Sci, Taiyuan 030006, Peoples R China
Recommended Citation
GB/T 7714
Niu, JS,Li, TJ,Zong, WK,et al. Probing the dark matter-electron interactions via hydrogen-atmosphere pulsating white dwarfs[J]. PHYSICAL REVIEW D,2018,98(10):103023.
APA Niu, JS,Li, TJ,Zong, WK,Xue, HF,&Wang, Y.(2018).Probing the dark matter-electron interactions via hydrogen-atmosphere pulsating white dwarfs.PHYSICAL REVIEW D,98(10),103023.
MLA Niu, JS,et al."Probing the dark matter-electron interactions via hydrogen-atmosphere pulsating white dwarfs".PHYSICAL REVIEW D 98.10(2018):103023.
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