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Gao, X; Kang, ZF; Li, TJ; Gao, X (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China.
Origins of the isospin violation of dark matter interactions
Source PublicationJOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
Language英语
KeywordModels
AbstractLight dark matter (DM) with a large DM-nucleon spin-independent scattering cross section and moreover proper isospin violation (ISV) f(n)/f(p) approximate to -0.7 may provide a way to understand the confusing DM.)M direct detection results. Further using the stringent astrophysical and collider constraints, we systematically investigate the origin of ISV,T first via general operator analyses and further via specifying three types of mediators: a light Z ' from chiral U(1)(x), an approximate spectator Higgs doublet (It can explain the W + jj anomaly simultaneously) and color triplets. In addition, although Z' from an exotic U(1)(x) mixing with U(1)(Y) generates only f(n) = 0, we can combine it with the conventional to achieve the proper ISV. As a concrete example, we propose the U(1)(x) model where the U(1)(x) charged light sneutrino is an inelastic DM, which dominantly annihilates to light dark states such as Z' with sub-GeV mass. The model can consistently (with other DM direct detection results) and safely interpret the recent GoGeNT annual modulation result.
2013
ISSN1475-7516
Issue1Pages:21
Subject AreaPhysics
Indexed BySCI
Funding OrganizationDOE [DE-FG03-95-Er-40917]; Natural Science Foundation of China [10821504, 11075194] ; DOE [DE-FG03-95-Er-40917]; Natural Science Foundation of China [10821504, 11075194] ; DOE [DE-FG03-95-Er-40917]; Natural Science Foundation of China [10821504, 11075194] ; DOE [DE-FG03-95-Er-40917]; Natural Science Foundation of China [10821504, 11075194]
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Cited Times:20[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15455
Collection理论物理所科研产出_SCI论文
Corresponding AuthorGao, X (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Gao, X,Kang, ZF,Li, TJ,et al. Origins of the isospin violation of dark matter interactions[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2013(1):21.
APA Gao, X,Kang, ZF,Li, TJ,&Gao, X .(2013).Origins of the isospin violation of dark matter interactions.JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS(1),21.
MLA Gao, X,et al."Origins of the isospin violation of dark matter interactions".JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS .1(2013):21.
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