| Measurement of H→μ~+μ~- production in association with a Z boson at the CEPC |
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| 引用本文： | 崔震崴,李强,李刚,阮曼奇,王磊,杨大能. Measurement of H→μ~+μ~- production in association with a Z boson at the CEPC[J]. 中国物理C(英文版), 2018, 42(5): 053001-053001. DOI: 10.1088/1674-1137/42/5/053001 |
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| 作者姓名： | 崔震崴 李强 李刚 阮曼奇 王磊 杨大能 |
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| 摘 要： | The Circular Electron-Positron Collider(CEPC) is a future Higgs factory proposed by the Chinese high energy physics community. It is planned to operate at a center-of-mass energy of 240–250 Ge V and is expected to accumulate an integrated luminosity of 5 ab~(-1) over ten years of operation. At the CEPC, Higgs bosons will be dominantly produced from the ZH associated process. The vast number of Higgs events collected will enable precise studies of its properties, including Yukawa couplings to massive particles. With GEANT4-based simulation of detector effects, we study the feasibility of measuring the Higgs boson decaying into a pair of muons at the CEPC.The results with and without information from the Z boson decay products are provided, showing that a signal significance of over 10 standard deviations can be achieved and the H-μ-μ coupling can be measured within 10%accuracy.
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| 收稿时间： | 2018-05-05 |
Measurement of H→μ+ μ- production in association with a Z boson at the CEPC |
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| Zhen-Wei Cui,Qiang Li,Gang Li,Man-Qi Ruan,Lei Wang,Da-Neng Yang. Measurement of H→μ+ μ- production in association with a Z boson at the CEPC[J]. Chinese Physics C, 2018, 42(5): 053001-053001. DOI: 10.1088/1674-1137/42/5/053001 |
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| Authors: | Zhen-Wei Cui Qiang Li Gang Li Man-Qi Ruan Lei Wang Da-Neng Yang |
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| Affiliation: | 1. Department of Physics and State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China2. Department of Physics and State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China3. CAS Center for Excellence in Particle Physics, Beijing 100049, China4. CAS Center for Excellence in Particle Physics, Beijing 100049, China5. Institute of High Energy Physics, Beijing 100049, China |
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| Abstract: | The Circular Electron-Positron Collider (CEPC) is a future Higgs factory proposed by the Chinese high energy physics community. It is planned to operate at a center-of-mass energy of 240-250 GeV and is expected to accumulate an integrated luminosity of 5 ab-1 over ten years of operation. At the CEPC, Higgs bosons will be dominantly produced from the ZH associated process. The vast number of Higgs events collected will enable precise studies of its properties, including Yukawa couplings to massive particles. With GEANT4-based simulation of detector effects, we study the feasibility of measuring the Higgs boson decaying into a pair of muons at the CEPC. The results with and without information from the Z boson decay products are provided, showing that a signal significance of over 10 standard deviations can be achieved and the H-μ-μ coupling can be measured within 10% accuracy. |
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| Keywords: | Higgs CEPC Yukawa coupling |
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