Limiting top quark-Higgs boson interaction and Higgs-boson width from multitop productions

被引：21

作者：

Cao, Qing-Hong ^{[1
,2
,3
,4
]}

Chen, Shao-Long ^{[4
,5
,6
]}

Liu, Yandong ^{[7
,8
]}

Zhang, Rui ^{[1
,2
]}

Zhang, Ya ^{[1
,2
]}

机构：

[1] Peking Univ, Dept Phys, Beijing 100871, Peoples R China

[2] Peking Univ, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China

[3] Collaborat Innovat Ctr Quantum Matter, Beijing 100871, Peoples R China

[4] Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China

[5] Cent China Normal Univ, Key Lab Quark & Lepton Phys MoE, Wuhan 430079, Hubei, Peoples R China

[6] Cent China Normal Univ, Inst Particle Phys, Wuhan 430079, Hubei, Peoples R China

[7] Beijing Normal Univ, Coll Nucl Sci & Technol, Minist Educ, Key Lab Beam Technol, Beijing 100875, Peoples R China

[8] Beijing Radiat Ctr, Beijing 100875, Peoples R China

来源：

PHYSICAL REVIEW D | 2019年 / 99卷 / 11期

基金：

美国国家科学基金会;

关键词：

LHC;

D O I：

10.1103/PhysRevD.99.113003

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We demonstrate that the multitop productions efficiently probe the CP property of a top quark-Higgs boson interaction and the Higgs boson width at the LHC. The four top-quark production alone can exclude a purely CP-odd top-quark Yukawa coupling at the 13 TeV LHC with an integrated luminosity of 680 fb(-1), regardless the size of the Yukawa coupling. Combining the single Higgs-boson production, the (tt) over barH associated production, and the four top-quark production, we show that the CP phase of the top-quark Yukawa coupling and the Higgs-boson width can be stringently bounded at the LHC with integrated luminosities of 300 fb(-1) and 3000 fb(-1).

引用

页数：7

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