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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
发表期刊JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
语种英语
关键词Models
摘要Light 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
期号1页码:21
学科领域Physics
收录类别SCI
项目资助者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] ; DOE [DE-FG03-95-Er-40917]; Natural Science Foundation of China [10821504, 11075194]
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被引频次:19[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15455
专题理论物理所科研产出_SCI论文
通讯作者Gao, X (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China.
推荐引用方式
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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