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Wang, Lei; Xu, Fuqiang; Yang, Jin Min; Wang, L , Yantai Univ, Dept Phys, Yantai 264005, Peoples R China
Higgs boson production in photon-photon collision at ILC: a comparative study in different little Higgs models
Source PublicationJOURNAL OF HIGH ENERGY PHYSICS
KeywordLinear Colliders T-parity Physics Decay
AbstractWe 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.
2010
ISSN1126-6708
Issue1Pages:-
Subject AreaPhysics
Indexed BySCI
Funding OrganizationFoundation of Yantai University[WL09B31]; National Natural Science Foundation of China (NNSFC)[10821504, 10725526, 10635030]; Chinese Academy of Sciences[KJCX2.YW.W10]; LHC Physics Focus Group; National Center for Theoretical Sciences, Taiwan, Republic of China ; Foundation of Yantai University[WL09B31]; National Natural Science Foundation of China (NNSFC)[10821504, 10725526, 10635030]; Chinese Academy of Sciences[KJCX2.YW.W10]; LHC Physics Focus Group; National Center for Theoretical Sciences, Taiwan, Republic of China ; Foundation of Yantai University[WL09B31]; National Natural Science Foundation of China (NNSFC)[10821504, 10725526, 10635030]; Chinese Academy of Sciences[KJCX2.YW.W10]; LHC Physics Focus Group; National Center for Theoretical Sciences, Taiwan, Republic of China ; Foundation of Yantai University[WL09B31]; National Natural Science Foundation of China (NNSFC)[10821504, 10725526, 10635030]; Chinese Academy of Sciences[KJCX2.YW.W10]; LHC Physics Focus Group; National Center for Theoretical Sciences, Taiwan, Republic of China
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Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5194
CollectionSCI期刊论文
Corresponding AuthorWang, L , Yantai Univ, Dept Phys, Yantai 264005, Peoples R China
Recommended Citation
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):-.
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