Higgs boson production in photon-photon collision at ILC: a comparative study in different little Higgs models

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	Higgs boson production in photon-photon collision at ILC: a comparative study in different little Higgs models
	Wang, Lei; Xu, Fuqiang; Yang, Jin Min; Wang, L , Yantai Univ, Dept Phys, Yantai 264005, Peoples R China
刊名	JOURNAL OF HIGH ENERGY PHYSICS
	2010
期号	1 页码:-
关键词	Linear Colliders T-parity Physics Decay
ISSN号	1126-6708
英文摘要	We study the process gamma gamma -> h -> b (b) over bar at ILC as a probe of different little Higgs models, including the simplest little Higgs model (SLH), the littlest Higgs model (LH), and two types of littlest Higgs models with T-parity (LHT-I, LHT-II). Compared with the Standard Model (SM) prediction, the production rate is found to be sizably altered in these little Higgs models and, more interestingly, different models give different predictions. We find that the production rate can be possibly enhanced only in the LHT-II for some part of the parameter space, while in all other cases the rate is suppressed. The suppression can be 10% in the LH and as much as 60% in both the SLH and the LHT-I/LHT-II. The severe suppression in the SLH happens for a large tan beta and a small m(h), in which the new decay mode h -> eta eta (eta is a light pseudo-scalar) is dominant; while for the LHT-I/LHT-II the large suppression occurs when integral and m(h) are both small so that the new decay mode h -> A(H)A(H) is dominant. Therefore, the precision measurement of such a production process at the ILC will allow for a test of these models and even distinguish between different scenarios.
学科主题	Physics
URL标识	查看原文
WOS记录号	WOS:000274334800001
公开日期	2012-08-02
内容类型	期刊论文
源URL	[http://ir.itp.ac.cn/handle/311006/5194]
专题	理论物理研究所_理论物理所1978-2010年知识产出
通讯作者	Wang, L , Yantai Univ, Dept Phys, Yantai 264005, Peoples R China
推荐引用方式 GB/T 7714	Wang, Lei,Xu, Fuqiang,Yang, Jin Min,et al. Higgs boson production in photon-photon collision at ILC: a comparative study in different little Higgs models[J]. JOURNAL OF HIGH ENERGY PHYSICS,2010(1):-.
APA	Wang, Lei,Xu, Fuqiang,Yang, Jin Min,&Wang, L , Yantai Univ, Dept Phys, Yantai 264005, Peoples R China.(2010).Higgs boson production in photon-photon collision at ILC: a comparative study in different little Higgs models.JOURNAL OF HIGH ENERGY PHYSICS(1),-.
MLA	Wang, Lei,et al."Higgs boson production in photon-photon collision at ILC: a comparative study in different little Higgs models".JOURNAL OF HIGH ENERGY PHYSICS .1(2010):-.