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Higgs-pair production and decay in simplest little Higgs model
Han, Xiao-Fang; Wang, Lei; Yang, Jin Min; Wang, L , Yantai Univ, Dept Phys, Yantai 264005, Peoples R China
2010
发表期刊NUCLEAR PHYSICS B
ISSN0550-3213
卷号825期号:40910页码:222-230
摘要In 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.
部门归属[Wang, L] Yantai Univ, Dept Phys, Yantai 264005, Peoples R China; [Han, XF; Yang, JM] Acad Sinica, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China
关键词Gluon-gluon Collisions T-parity Quark Production Lhc
学科领域Physics
资助者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] ; 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] ; National Natural Science Foundation of China[10821504, 10725526, 10635030] ; National Natural Science Foundation of China[10821504, 10725526, 10635030]
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收录类别SCI
资助者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] ; 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] ; National Natural Science Foundation of China[10821504, 10725526, 10635030] ; National Natural Science Foundation of China[10821504, 10725526, 10635030]
WOS记录号WOS:000271852400009
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/5176
专题理论物理所SCI论文
通讯作者Wang, L , Yantai Univ, Dept Phys, Yantai 264005, Peoples R China
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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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