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Virtual effects of split-SUSY in Higgs productions at linear colliders
Wang, Fei; Wang, Wenyu; Xu, Fuqiang; Yang, Jin Min; Zhang, Huanjun; Wang, F , Tsing Hua Univ, Ctr High Energy Phys, Beijing 100084, Peoples R China
2007
发表期刊EUROPEAN PHYSICAL JOURNAL C
ISSN1434-6044
卷号51期号:3页码:713-719
摘要In split supersymmetry, gauginos and higgsinos are the only supersymmetric particles possibly accessible at foreseeable colliders like the CERN Large Hadron Collider (LHC) and the International Linear Collider (ILC). In order to account for the cosmic dark matter measured by WMAP, these gauginos and higgsinos are stringently constrained and could be explored at the colliders through their direct productions and/or virtual effects in some processes. The clean environment and high luminosity of the ILC render the virtual effects at percent level meaningful in unraveling the new physics effects. In this work we assume split supersymmetry and calculate the virtual effects of the WMAP-allowed gauginos and higgsinos in the Higgs productions e(+) e(-) -> Zh and e(+) e(-) ->nu(e)(nu) over bar (e)h through WW fusion at the ILC. We find that the production cross section of e+ e-. Zh can be altered by a few percent in some part of the WMAP-allowed parameter space, while the correction to the WW fusion process e(+) e(-) ->nu(e) (nu) over bar (e)h is below 1%. Such virtual effects are correlated with the cross sections of chargino pair productions and can offer complementary information in probing split supersymmetry at the colliders.
部门归属Tsing Hua Univ, Ctr High Energy Phys, Beijing 100084, Peoples R China; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China; CCAST, World Lab, Beijing 100080, Peoples R China; Henan Normal Univ, Dept Phys, Xining 453007, Peoples R China
关键词Top-quark Production Supersymmetric Standard Model Radiative-corrections Fermilab Tevatron Boson Production Masses Collisions Physics Decays Mssm
学科领域Physics
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收录类别SCI
WOS记录号WOS:000248390700019
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被引频次:3[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/311006/5690
专题理论物理所1978-2010年知识产出
通讯作者Wang, F , Tsing Hua Univ, Ctr High Energy Phys, Beijing 100084, Peoples R China
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Wang, Fei,Wang, Wenyu,Xu, Fuqiang,et al. Virtual effects of split-SUSY in Higgs productions at linear colliders[J]. EUROPEAN PHYSICAL JOURNAL C,2007,51(3):713-719.
APA Wang, Fei,Wang, Wenyu,Xu, Fuqiang,Yang, Jin Min,Zhang, Huanjun,&Wang, F , Tsing Hua Univ, Ctr High Energy Phys, Beijing 100084, Peoples R China.(2007).Virtual effects of split-SUSY in Higgs productions at linear colliders.EUROPEAN PHYSICAL JOURNAL C,51(3),713-719.
MLA Wang, Fei,et al."Virtual effects of split-SUSY in Higgs productions at linear colliders".EUROPEAN PHYSICAL JOURNAL C 51.3(2007):713-719.
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