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Lightest Higgs boson mass in split supersymmetry with the seesaw mechanism
Cao, JJ; Yang, JM; Cao, JJ , Henan Normal Univ, Dept Phys, Xinxiang 453002, Henan, Peoples R China.
2005
发表期刊PHYSICAL REVIEW D
ISSN1550-7998
卷号71期号:11页码:-
摘要In the minimal supersymmetric standard model extended by including right-handed neutrinos with seesaw mechanism, the neutrino Yukaka couplings can be as large as the top-quark Yukawa couplings and thus the neutrino/sneutrino may cause sizable effects in Higgs boson self-energy loops. Our explicit one-loop calculations show that the neutrino/sneutrino effects may have an opposite sign to top/stop effects and thus lighten the lightest Higgs boson. If the soft-breaking mass of the right-handed neutrino is very large (at the order of Majorana mass scale), such as in the split-supersymmetry (SUSY) scenario, the effects can lower the lightest Higgs boson mass by a few tens of GeV. So the Higgs mass bound of about 150 GeV in split-SUSY may be lowered significantly if right-handed neutrinos come into play with seesaw mechanism.
部门归属Henan Normal Univ, Dept Phys, Xinxiang 453002, Henan, Peoples R China; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China; CCAST, World Lab, Beijing 100080, Peoples R China
关键词Lepton-flavor Violation Standard Model Radiative-corrections Mssm Renormalization Neutrinos Spectrum
学科领域Physics
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收录类别SCI
WOS记录号WOS:000230276000006
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13814
专题理论物理所SCI论文
通讯作者Cao, JJ , Henan Normal Univ, Dept Phys, Xinxiang 453002, Henan, Peoples R China.
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Cao, JJ,Yang, JM,Cao, JJ , Henan Normal Univ, Dept Phys, Xinxiang 453002, Henan, Peoples R China.. Lightest Higgs boson mass in split supersymmetry with the seesaw mechanism[J]. PHYSICAL REVIEW D,2005,71(11):-.
APA Cao, JJ,Yang, JM,&Cao, JJ , Henan Normal Univ, Dept Phys, Xinxiang 453002, Henan, Peoples R China..(2005).Lightest Higgs boson mass in split supersymmetry with the seesaw mechanism.PHYSICAL REVIEW D,71(11),-.
MLA Cao, JJ,et al."Lightest Higgs boson mass in split supersymmetry with the seesaw mechanism".PHYSICAL REVIEW D 71.11(2005):-.
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