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Han, CC; Ji, XT; Wu, L; Wu, PW; Yang, JM; Han, CC (reprint author), Acad Sinica, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Higgs pair production with SUSY QCD correction: revisited under current experimental constraints
Source PublicationJOURNAL OF HIGH ENERGY PHYSICS
Language英语
KeywordSupersymmetric Standard Model Dark-matter Mssm Lhc Decay Mass Dimensions Discovery Nmssm
AbstractWe consider the current experimental constraints on the parameter space of the MSSM and NMSSM. Then in the allowed parameter space we examine the Higgs pair production at the 14TeV LHC via b (b) over bar -> hh (h is the 125GeV SM-like Higg boson) with one-loop SUSY QCD correction and compare it with the production via gg -> hh. We obtain the following observations: (i) For the MSSM the production rate of b (b) over bar -> hh can reach 50 fb and thus can be competitive with gg -> hh, while for the NMSSM b (b) over bar -> hh has a much smaller rate than gg. hh due to the suppression of the hb (b) over bar coupling; (ii) The SUSY-QCD correction to b (b) over bar -> hh is sizable, which can reach 45% for the MSSM and 15% for the NMSSM within the 1s region of the Higgs data; (iii) In the heavy SUSY limit (all soft mass parameters become heavy), the SUSY effects decouple rather slowly from the Higgs pair production (especially the gg -> hh process), which, for M S U S Y = 5TeV and m A < 1TeV, can enhance the production rate by a factor of 1.5 and 1.3 for the MSSM and NMSSM, respectively. So, the Higgs pair production may be helpful for unraveling the effects of heavy SUSY.
2014
ISSN1029-8479
Issue4Pages:3
Subject AreaPhysics
DOI10.1007/JHEP04(2014)003
Indexed BySCI
Funding OrganizationARC Centre of Excellence for Particle Physics at the Tera-scale; National Natural Science Foundation of China (NNSFC) [10775039, 11075045, 11275245, 10821504, 11135003]; Ri-Xin Foundation of BJUT from China; Startup Foundation for Doctors of Henan Normal University [11112] ; ARC Centre of Excellence for Particle Physics at the Tera-scale; National Natural Science Foundation of China (NNSFC) [10775039, 11075045, 11275245, 10821504, 11135003]; Ri-Xin Foundation of BJUT from China; Startup Foundation for Doctors of Henan Normal University [11112] ; ARC Centre of Excellence for Particle Physics at the Tera-scale; National Natural Science Foundation of China (NNSFC) [10775039, 11075045, 11275245, 10821504, 11135003]; Ri-Xin Foundation of BJUT from China; Startup Foundation for Doctors of Henan Normal University [11112] ; ARC Centre of Excellence for Particle Physics at the Tera-scale; National Natural Science Foundation of China (NNSFC) [10775039, 11075045, 11275245, 10821504, 11135003]; Ri-Xin Foundation of BJUT from China; Startup Foundation for Doctors of Henan Normal University [11112]
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Cited Times:48[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15798
Collection理论物理所科研产出_SCI论文
Corresponding AuthorHan, CC (reprint author), Acad Sinica, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Han, CC,Ji, XT,Wu, L,et al. Higgs pair production with SUSY QCD correction: revisited under current experimental constraints[J]. JOURNAL OF HIGH ENERGY PHYSICS,2014(4):3.
APA Han, CC,Ji, XT,Wu, L,Wu, PW,Yang, JM,&Han, CC .(2014).Higgs pair production with SUSY QCD correction: revisited under current experimental constraints.JOURNAL OF HIGH ENERGY PHYSICS(4),3.
MLA Han, CC,et al."Higgs pair production with SUSY QCD correction: revisited under current experimental constraints".JOURNAL OF HIGH ENERGY PHYSICS .4(2014):3.
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