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Light dark matter from the U(1)(X) sector in the NMSSM with gauge mediation
Kang, ZF; Li, TJ; Liu, T; Tong, CL; Yang, JM; Kang, ZF (reprint author), Acad Sinica, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Zhongguancun E Rd, Beijing 100190, Peoples R China.
2011
发表期刊JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
ISSN1475-7516
期号1页码:28
摘要Cosmic ray anomalies observed by PAMELA and Fermi-LAT experiments may be interpreted by heavy (TeV-scale) dark matter annihilation enhanced by Sommerfeld effects mediated by a very light (sub-GeV) U(1)(X) gauge boson, while the recent direct searches from CoGeNT and DAMA/LIBRA experiments may indicate a rather light (similar to 7GeV) dark matter with weak interaction. Motivated by these apparently different scales, we consider a gauge mediated next-to-the minimal supersymmetric standard model (NMSSM) entended with a light U(1)(X) sector plus a heavy sector ((H) over barh, Hh), which can provide both a light (similar to 7GeV) and a heavy (TeV-scale) dark matter without introducing any ad hoc new scale. Through the Yukawa coupling between Hh and the messager fields, the U(1)(X) gauge symmetry is broken around the GeV scale radiatively and a large negative m(S)(2) is generated for the NMSSM singlet S. Furthermore, the small kinetic mixing parameter between U(1)(X) and U(1)(Y) is predicted to be theta similar to 10(-5) - 10(-6) after integrating out the messengers. Such a light dark matter, which can have a normal relic density from the late decay of the right-handed sneutrino (assumed to be the ordinary next-to-the lightest supersymmetric particle and thermally produced in the early Universe), can serve a good candidate to explain the recent CoGeNT and DAMA/LIBRA results.
部门归属[Kang, Zhaofeng; Li, Tianjun; Liu, Tao; Tong, Chunli; Yang, Jin Min] Acad Sinica, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China; [Li, Tianjun] Texas A&M Univ, George P & Cynthia W Mitchell Inst Fundamental Ph, College Stn, TX 77843 USA
关键词Supersymmetric Standard Model Breaking
学科领域Physics
资助者National Natural Science Foundation of China [10821504, 10725526, 10635030]; DOE [DE-FG03-95-Er-40917]; Mitchell-Heep Chair in High Energy Physics ; National Natural Science Foundation of China [10821504, 10725526, 10635030]; DOE [DE-FG03-95-Er-40917]; Mitchell-Heep Chair in High Energy Physics ; National Natural Science Foundation of China [10821504, 10725526, 10635030]; DOE [DE-FG03-95-Er-40917]; Mitchell-Heep Chair in High Energy Physics ; National Natural Science Foundation of China [10821504, 10725526, 10635030]; DOE [DE-FG03-95-Er-40917]; Mitchell-Heep Chair in High Energy Physics ; National Natural Science Foundation of China [10821504, 10725526, 10635030]; DOE [DE-FG03-95-Er-40917]; Mitchell-Heep Chair in High Energy Physics ; National Natural Science Foundation of China [10821504, 10725526, 10635030]; DOE [DE-FG03-95-Er-40917]; Mitchell-Heep Chair in High Energy Physics ; National Natural Science Foundation of China [10821504, 10725526, 10635030]; DOE [DE-FG03-95-Er-40917]; Mitchell-Heep Chair in High Energy Physics ; National Natural Science Foundation of China [10821504, 10725526, 10635030]; DOE [DE-FG03-95-Er-40917]; Mitchell-Heep Chair in High Energy Physics
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收录类别SCI
语种英语
资助者National Natural Science Foundation of China [10821504, 10725526, 10635030]; DOE [DE-FG03-95-Er-40917]; Mitchell-Heep Chair in High Energy Physics ; National Natural Science Foundation of China [10821504, 10725526, 10635030]; DOE [DE-FG03-95-Er-40917]; Mitchell-Heep Chair in High Energy Physics ; National Natural Science Foundation of China [10821504, 10725526, 10635030]; DOE [DE-FG03-95-Er-40917]; Mitchell-Heep Chair in High Energy Physics ; National Natural Science Foundation of China [10821504, 10725526, 10635030]; DOE [DE-FG03-95-Er-40917]; Mitchell-Heep Chair in High Energy Physics ; National Natural Science Foundation of China [10821504, 10725526, 10635030]; DOE [DE-FG03-95-Er-40917]; Mitchell-Heep Chair in High Energy Physics ; National Natural Science Foundation of China [10821504, 10725526, 10635030]; DOE [DE-FG03-95-Er-40917]; Mitchell-Heep Chair in High Energy Physics ; National Natural Science Foundation of China [10821504, 10725526, 10635030]; DOE [DE-FG03-95-Er-40917]; Mitchell-Heep Chair in High Energy Physics ; National Natural Science Foundation of China [10821504, 10725526, 10635030]; DOE [DE-FG03-95-Er-40917]; Mitchell-Heep Chair in High Energy Physics
WOS记录号WOS:000286802900028
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/14449
专题理论物理所SCI论文
通讯作者Kang, ZF (reprint author), Acad Sinica, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Zhongguancun E Rd, Beijing 100190, Peoples R China.
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Kang, ZF,Li, TJ,Liu, T,et al. Light dark matter from the U(1)(X) sector in the NMSSM with gauge mediation[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2011(1):28.
APA Kang, ZF,Li, TJ,Liu, T,Tong, CL,Yang, JM,&Kang, ZF .(2011).Light dark matter from the U(1)(X) sector in the NMSSM with gauge mediation.JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS(1),28.
MLA Kang, ZF,et al."Light dark matter from the U(1)(X) sector in the NMSSM with gauge mediation".JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS .1(2011):28.
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