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Han, Xiao-Fang; Wang, Lei; Yang, Jin Min; Wang, L , Yantai Univ, Dept Phys, Yantai 264005, Peoples R China
Higgs-pair production and decay in simplest little Higgs model
Source PublicationNUCLEAR PHYSICS B
KeywordGluon-gluon Collisions T-parity Quark Production Lhc
AbstractIn the framework of the simplest little Higgs model (SLHM), we study the production of a pair of neutral CP-even Higgs bosons at the LHC. First, we examine the production rate and find that it can be significantly larger than the SM prediction. Then we investigate the decays of the Higgs-pair and find that for a low Higgs mass their dominant decay mode is hh -> eta eta eta eta (eta is a CP-odd scalar) while hh -> b (b) over bar eta eta and hh -> eta eta WW may also have sizable ratios. Finally, we comparatively study the rates of pp -> hh -> b (b) over bar tau(+)tau(-), pp -> hh -> b (b) over bar gamma gamma, and pp -> hh -> WWWW in the SLHM and the littlest Higgs models (LHT). We find that for a light Higgs, compared with the SM predictions, all the three rates can be sizably enhanced in the LHT but severely suppressed in the SLHM; while for an intermediately heavy Higgs, both the LHT and SLHM can enhance sizably the SM predictions. (C) 2009 Elsevier B.V. All rights reserved.
2010
ISSN0550-3213
Volume825Issue:40910Pages:222-230
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China[10821504, 10725526, 10635030] ; National Natural Science Foundation of China[10821504, 10725526, 10635030] ; National Natural Science Foundation of China[10821504, 10725526, 10635030] ; National Natural Science Foundation of China[10821504, 10725526, 10635030]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5176
Collection理论物理所科研产出_SCI论文
Corresponding AuthorWang, L , Yantai Univ, Dept Phys, Yantai 264005, Peoples R China
Recommended Citation
GB/T 7714
Han, Xiao-Fang,Wang, Lei,Yang, Jin Min,et al. Higgs-pair production and decay in simplest little Higgs model[J]. NUCLEAR PHYSICS B,2010,825(40910):222-230.
APA Han, Xiao-Fang,Wang, Lei,Yang, Jin Min,&Wang, L , Yantai Univ, Dept Phys, Yantai 264005, Peoples R China.(2010).Higgs-pair production and decay in simplest little Higgs model.NUCLEAR PHYSICS B,825(40910),222-230.
MLA Han, Xiao-Fang,et al."Higgs-pair production and decay in simplest little Higgs model".NUCLEAR PHYSICS B 825.40910(2010):222-230.
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