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	Optimizing higgs factories by modifying the recoil mass**jg is supported by an international postdoctoral exchange fellowship program between the office of the national administrative committee of postdoctoral researchers of china (onacpr) and desy. yyl is supported by hong kong phd fellowship (hkpfs) and the collaborative research fund (crf) (hukst4/crf/13g)
	Gu,Jiayin1,2; Li,Ying-Ying3
刊名	Chinese physics c
	2018-02-01
卷号	42期号:3
关键词	Cepc Ilc Higgs 13.66.fg
ISSN号	1674-1137
DOI	10.1088/1674-1137/42/3/033102
英文摘要	Abstract it is difficult to measure the ww-fusion higgs production process ( e + e ? → ν ν ˉ h ) at a lepton collider with a center of mass energy of 240-250 gev due to its small rate and the large background from the higgsstrahlung process with an invisible z ( e + e ? → hz , z → ν ν ˉ ) . we construct a modified recoil mass variable, m recoil p , defined using only the 3-momentum of the reconstructed higgs particle, and show that it can separate the ww-fusion and higgsstrahlung events better than the original recoil mass variable mrecoil. consequently, the m recoil p variable can be used to improve the overall precisions of the extracted higgs couplings, in both the conventional framework and the effective-field-theory framework. we also explore the application of the m recoil p variable in the inclusive cross section measurements of the higgsstrahlung process, while a quantitive analysis is left for future studies.
语种	英语
出版者	Chinese Physical Society and the Institute of High Energy Physics of the Chinese Academy of Sciences and the Institute of Modern Physics of the Chinese Academy of Sciences and IOP Publishing Ltd
WOS记录号	IOP:1674-1137-42-3-033102
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2175757
专题	高能物理研究所
作者单位	1.DESY, Notkestra?e 85, D-22607 Hamburg, Germany 2.Center for Future High Energy Physics, Institute of High Energy Physics, 19B YuquanLu, Chinese Academy of Sciences, Beijing 100049, China 3.Department of Physics, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong S.A.R., China
推荐引用方式 GB/T 7714	Gu,Jiayin,Li,Ying-Ying. Optimizing higgs factories by modifying the recoil mass**jg is supported by an international postdoctoral exchange fellowship program between the office of the national administrative committee of postdoctoral researchers of china (onacpr) and desy. yyl is supported by hong kong phd fellowship (hkpfs) and the collaborative research fund (crf) (hukst4/crf/13g)[J]. Chinese physics c,2018,42(3).
APA	Gu,Jiayin,&Li,Ying-Ying.(2018).Optimizing higgs factories by modifying the recoil mass**jg is supported by an international postdoctoral exchange fellowship program between the office of the national administrative committee of postdoctoral researchers of china (onacpr) and desy. yyl is supported by hong kong phd fellowship (hkpfs) and the collaborative research fund (crf) (hukst4/crf/13g).Chinese physics c,42(3).
MLA	Gu,Jiayin,et al."Optimizing higgs factories by modifying the recoil mass**jg is supported by an international postdoctoral exchange fellowship program between the office of the national administrative committee of postdoctoral researchers of china (onacpr) and desy. yyl is supported by hong kong phd fellowship (hkpfs) and the collaborative research fund (crf) (hukst4/crf/13g)".Chinese physics c 42.3(2018).

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