Further investigation of the model-independent probe of heavy neutral Higgs bosons at LHC Run 2

Yu-Ping Kuang; Hong-Yu Ren; Ling-Hao Xia

doi:10.1088/1674-1137/40/2/023101

Chinese Physics C> 2016, Vol. 40> Issue(2) : 023101 DOI: 10.1088/1674-1137/40/2/023101

Further investigation of the model-independent probe of heavy neutral Higgs bosons at LHC Run 2

Yu-Ping Kuang ^1,2,, ,
Hong-Yu Ren ^1,, ,
Ling-Hao Xia ^1,,

1.
Department of Physics, Tsinghua University, Beijing 100084, China
2.
Center for High Energy Physics, Tsinghua University, Beijing 100084, China
3.
Department of Physics, Tsinghua University, Beijing 100084, China

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Abstract：
In one of our previous papers, we provided general, effective Higgs interactions for the lightest Higgs boson h (SM-like) and a heavier neutral Higgs boson H based on the effective Lagrangian formulation up to the dim-6 interactions, and then proposed two sensitive processes for probing H. We showed in several examples that the resonance peak of H and its dim-6 effective coupling constants (ECC) can be detected at LHC Run 2 with reasonable integrated luminosity. In this paper, we further perform a more thorough study of the most sensitive process, pp→VH*→VVV, providing information about the relations between the 1σ,3σ,5σ statistical significance and the corresponding ranges of the Higgs ECC for an integrated luminosity of 100 fb^-1. These results have two useful applications in LHC Run 2: (A) realizing the experimental determination of the ECC in the dim-6 interactions if H is found and, (B) obtaining the theoretical exclusion bounds if H is not found. Some alternative processes sensitive for certain ranges of the ECC are also analyzed.
- model-independent ,
- heavy neutral Higgs ,
- LHC Run 2

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Yu-Ping Kuang, Hong-Yu Ren and Ling-Hao Xia. Further investigation of the model-independent probe of heavy neutral Higgs bosons at LHC Run 2[J]. Chinese Physics C, 2016, 40(2): 023101. doi: 10.1088/1674-1137/40/2/023101

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Received: 2015-06-29

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Supported by National Natural Science Foundation of China (11135003 and 11275102)

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Further investigation of the model-independent probe of heavy neutral Higgs bosons at LHC Run 2

Corresponding author: Yu-Ping Kuang,

Corresponding author: Hong-Yu Ren,

Corresponding author: Ling-Hao Xia,

1. Department of Physics, Tsinghua University, Beijing 100084, China

2. Center for High Energy Physics, Tsinghua University, Beijing 100084, China

3. Department of Physics, Tsinghua University, Beijing 100084, China

Received Date: 2015-06-29

Available Online: 2016-02-20

Fund Project: Supported by National Natural Science Foundation of China (11135003 and 11275102)

Abstract: In one of our previous papers, we provided general, effective Higgs interactions for the lightest Higgs boson h (SM-like) and a heavier neutral Higgs boson H based on the effective Lagrangian formulation up to the dim-6 interactions, and then proposed two sensitive processes for probing H. We showed in several examples that the resonance peak of H and its dim-6 effective coupling constants (ECC) can be detected at LHC Run 2 with reasonable integrated luminosity. In this paper, we further perform a more thorough study of the most sensitive process, pp→VH*→VVV, providing information about the relations between the 1σ,3σ,5σ statistical significance and the corresponding ranges of the Higgs ECC for an integrated luminosity of 100 fb^-1. These results have two useful applications in LHC Run 2: (A) realizing the experimental determination of the ECC in the dim-6 interactions if H is found and, (B) obtaining the theoretical exclusion bounds if H is not found. Some alternative processes sensitive for certain ranges of the ECC are also analyzed.

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Further investigation of the model-independent probe of heavy neutral Higgs bosons at LHC Run 2

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