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题名: Dark matter and Higgs phenomenology predicted by left-right twin Higgs model in light of CDMS II results
作者: Wang, Lei ;  Yang, Jin Min
刊名: JOURNAL OF HIGH ENERGY PHYSICS
出版日期: 2010
期号: 5, 页码:-
关键词: ELECTROWEAK SYMMETRY-BREAKING ;  T-PARITY ;  CERN LHC ;  BOSON ;  DECAYS
学科分类: Physics
通讯作者: Wang, L , Yantai Univ, Dept Phys, Yantai 264005, Peoples R China
部门归属: [Wang, L] Yantai Univ, Dept Phys, Yantai 264005, Peoples R China; [Yang, JM] Acad Sinica, Key Lab Frontiers Theoret Phys, Inst Theoret Phys, Beijing 100190, Peoples R China
英文摘要: The left-right twin Higgs model predicts a light stable scalar (S) over cap, which is a candidate for WIMP dark matter. We study its scattering on nucleon and find that the cross section is below the CDMS II upper bound but can reach the SuperCDMS sensitivity. Then we study the Higgs phenomenology by paying special attention to the decay h -> (S) over cap(S) over cap which is strongly correlated with the dark matter scattering on nucleon. We find that such an invisible decay can be sizable, which can severely suppress the conventional decay modes like h -> VV(V = W, Z) and h -> b (b) over bar. On the other hand, compared to the SM prediction, the rates of Higgs boson productions at the LHC via gluon-gluon fusion, weak boson fusion or in association with top quark pairs are all reduced significantly, e. g., the gluon-gluon fusion channel can be suppressed by about 30%.
资助者: Foundation of Yantai University[WL09B31]; National Natural Science Foundation of China (NNSFC)[10821504, 10725526, 10635030]; Chinese Academy of Sciences[KJCX2.YW.W10]; Tohoku University (Global COE of Japan)
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000278251300024
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5120
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Wang, Lei,Yang, Jin Min. Dark matter and Higgs phenomenology predicted by left-right twin Higgs model in light of CDMS II results[J]. JOURNAL OF HIGH ENERGY PHYSICS,2010(5):-.
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