Higgs-pair production and decay in simplest little Higgs model

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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
ISSN	0550-3213
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
引用统计
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
推荐引用方式 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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