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题名: Higgs-pair production and decay in simplest little Higgs model
作者: Han, Xiao-Fang ;  Wang, Lei ;  Yang, Jin Min
刊名: NUCLEAR PHYSICS B
出版日期: 2010
卷号: 825, 期号:40910, 页码:222-230
关键词: GLUON-GLUON COLLISIONS ;  T-PARITY ;  QUARK PRODUCTION ;  LHC
学科分类: Physics
通讯作者: Wang, L , Yantai Univ, Dept Phys, Yantai 264005, Peoples R China
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
英文摘要: 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.
资助者: National Natural Science Foundation of China[10821504, 10725526, 10635030]
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000271852400009
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5176
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Han, Xiao-Fang,Wang, Lei,Yang, Jin Min. Higgs-pair production and decay in simplest little Higgs model[J]. NUCLEAR PHYSICS B,2010,825(40910):222-230.
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