- Talks
- Today's Events
- Conferences
Activities
Talks
Improving measurement on Higgs-gluon effective coupling
04/24
2019
- Title Improving measurement on Higgs-gluon effective coupling
- Speaker
- Date
- Venue
Abstract
|
CAS Key Laboratory of Theoretical Physics | |||
|
Institute of Theoretical Physics | |||
|
Chinese Academy of Sciences | |||
|
Seminar | |||
|
Title 题目 |
Improving measurement on Higgs-gluon effective coupling | ||
|
Speaker 报告人 |
| ||
|
Affiliation 所在单位 |
| ||
|
Date 日期 |
| ||
|
Venue 地点 |
ITP South (New) Building 6420 | ||
|
Abstract 摘要 |
In this talk we will introduce new jet substructure observables constructed with the jet energy profile and Convolutional Neural Networks to improve the precision measurement of Higgs boson-gluon effective coupling at lepton colliders. By using these methods the uncertainty of the effective coupling can be further reduced by about 30% compared to that using conventional method in the channel of a Z boson decaying to lepton pair in the MC simulation for the center-of-mass energy 250 GeV and integrated luminosity 5 ab^-1. We also searched the influence of different parton showers on jet substructure recognition. The difference between the expected uncertainty of the effective coupling using PYTHIA and HERWIG data is about 0.1%. | ||
|
Contact Person 所内联系人 |
Gang Yang | ||