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题名: Searching for dark matter signals in the left-right symmetric gauge model with CP symmetry
作者: Guo, Wan-Lei ;  Wu, Yue-Liang ;  Zhou, Yu-Feng
刊名: PHYSICAL REVIEW D
出版日期: 2010
卷号: 82, 期号:9, 页码:-
关键词: KS MASS DIFFERENCE ;  TRIPLET HIGGS ;  VIOLATION ;  CONSTRAINTS ;  PARITY ;  ABUNDANCES ;  ENERGIES ;  BOSONS ;  SCALAR
学科分类: Physics
通讯作者: Guo, WL , Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China
部门归属: [Guo, WL; Wu, YL; Zhou, YF] Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China
英文摘要: We investigate the singlet scalar dark matter (DM) candidate in a left-right symmetric gauge model with two Higgs bidoublets in which the stabilization of the DM particle is induced by the discrete symmetries P and CP. According to the observed DM abundance, we predict the DM direct and indirect detection cross sections for the DM mass range from 10 to 500 GeV. We show that the DM indirect detection cross section is not sensitive to the light Higgs mixing and Yukawa couplings except for the resonance regions. The predicted spin-independent DM-nucleon elastic scattering cross section is found to be significantly dependent on the above two factors. Our results show that the future DM direct search experiments can cover the most parts of the allowed parameter space. The PAMELA antiproton data can only exclude two very narrow regions in the two Higgs bidoublets model. It is very difficult to detect the DM direct or indirect signals in the resonance regions due to the Breit-Wigner resonance effect.
资助者: National Basic Research Program of China (973 Program)[2010CB833000]; National Nature Science Foundation of China (NSFC)[10975170, 10821504, 10905084]; Chinese Academy of Science
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000283925100004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5013
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Guo, Wan-Lei,Wu, Yue-Liang,Zhou, Yu-Feng. Searching for dark matter signals in the left-right symmetric gauge model with CP symmetry[J]. PHYSICAL REVIEW D,2010,82(9):-.
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