ITP OpenIR  > 理论物理所2011年知识产出
Light dark matter in NMSSM and implication on Higgs phenomenology
Cao, JJ; Hikasa, K; Wang, WY; Yang, JM; Yang, JM (reprint author), Acad Sinica, Inst Theoret Phys, Beijing 100190, Peoples R China.
2011
发表期刊PHYSICS LETTERS B
ISSN0370-2693
卷号703期号:3页码:292-297
摘要For the experimental search of neutralino dark matter, it is important to know its allowed mass and scattering cross section with the nucleon. In order to figure out how light a neutralino dark matter can be predicted in low energy supersymmetry, we scan over the parameter space of the NMSSM (next-to-minimal supersymmetric model), assuming all the relevant soft mass parameters to be below TeV scale. We find that in the parameter space allowed by current experiments the neutralino dark matter can be as light as a few GeV and its scattering rate off the nucleon can reach the sensitivity of XENON100 and CoGeNT. As a result, a sizable parameter space is excluded by the current XENON100 and CoGeNT data (the plausible CoGeNT dark matter signal can also be explained). The future 6000 kg-days exposure of XENON100 will further explore (but cannot completely cover) the remained parameter space. Moreover, we find that in such a light dark matter scenario a light CP-even or CP-odd Higgs boson must be present to satisfy the measured dark matter relic density. Consequently, the SM-like Higgs boson h(SM) may decay predominantly into a pair of light Higgs bosons or a pair of neutralinos so that the conventional decays like h(SM) -> gamma gamma is much suppressed. (C) 2011 Elsevier B.V. All rights reserved.
部门归属[Yang, Jin Min] Acad Sinica, Inst Theoret Phys, Beijing 100190, Peoples R China; [Cao, Junjie] Henan Normal Univ, Dept Phys, Xinxiang 453007, Peoples R China; [Hikasa, Ken-ichi] Tohoku Univ, Dept Phys, Sendai, Miyagi 9808578, Japan; [Wang, Wenyu] Beijing Univ Technol, Inst Theoret Phys, Coll Appl Sci, Beijing 100124, Peoples R China
关键词Supersymmetric Standard Model
学科领域Physics
资助者JSPS [S-11028]; NSFC [10821504, 10725526, 11075045, 11005006]; Doctor Foundation of BJUT from China [X0006015201102]; Grant-in-Aid for Scientific Research from Japan [14046201] ; JSPS [S-11028]; NSFC [10821504, 10725526, 11075045, 11005006]; Doctor Foundation of BJUT from China [X0006015201102]; Grant-in-Aid for Scientific Research from Japan [14046201] ; JSPS [S-11028]; NSFC [10821504, 10725526, 11075045, 11005006]; Doctor Foundation of BJUT from China [X0006015201102]; Grant-in-Aid for Scientific Research from Japan [14046201] ; JSPS [S-11028]; NSFC [10821504, 10725526, 11075045, 11005006]; Doctor Foundation of BJUT from China [X0006015201102]; Grant-in-Aid for Scientific Research from Japan [14046201]
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收录类别SCI
语种英语
资助者JSPS [S-11028]; NSFC [10821504, 10725526, 11075045, 11005006]; Doctor Foundation of BJUT from China [X0006015201102]; Grant-in-Aid for Scientific Research from Japan [14046201] ; JSPS [S-11028]; NSFC [10821504, 10725526, 11075045, 11005006]; Doctor Foundation of BJUT from China [X0006015201102]; Grant-in-Aid for Scientific Research from Japan [14046201] ; JSPS [S-11028]; NSFC [10821504, 10725526, 11075045, 11005006]; Doctor Foundation of BJUT from China [X0006015201102]; Grant-in-Aid for Scientific Research from Japan [14046201] ; JSPS [S-11028]; NSFC [10821504, 10725526, 11075045, 11005006]; Doctor Foundation of BJUT from China [X0006015201102]; Grant-in-Aid for Scientific Research from Japan [14046201]
WOS记录号WOS:000295198300012
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被引频次:40[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/311006/14272
专题理论物理所2011年知识产出
通讯作者Yang, JM (reprint author), Acad Sinica, Inst Theoret Phys, Beijing 100190, Peoples R China.
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Cao, JJ,Hikasa, K,Wang, WY,et al. Light dark matter in NMSSM and implication on Higgs phenomenology[J]. PHYSICS LETTERS B,2011,703(3):292-297.
APA Cao, JJ,Hikasa, K,Wang, WY,Yang, JM,&Yang, JM .(2011).Light dark matter in NMSSM and implication on Higgs phenomenology.PHYSICS LETTERS B,703(3),292-297.
MLA Cao, JJ,et al."Light dark matter in NMSSM and implication on Higgs phenomenology".PHYSICS LETTERS B 703.3(2011):292-297.
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