Study of the Higgs Direct Reconstruction in ZH->qqH for ILC
Hiroaki Ono
TL;DR
This paper evaluates the precision of Higgs mass reconstruction and cross-section measurement in ZH->qqH events at the ILC, demonstrating high accuracy with specific detector and energy configurations.
Contribution
It presents a detailed simulation study of Higgs mass and cross-section measurements in ZH->qqH processes at the ILC, using the ILD detector model.
Findings
Reconstructed Higgs mass of 120.79 GeV with 0.089 GeV uncertainty.
5.3% measurement accuracy of the ZH->qqbb cross-section.
Achieved with 250 fb^{-1} data sample at 250 GeV.
Abstract
Precise measurement of the Higgs boson properties is an important issue of the International Linear Collider (ILC) experiment. We studied the accuracy of the Higgs mass reconstruction in the ZH->qqH multi-jet process with the Higgs mass of MH = 120 GeV at sqrt(s) = 250 GeV with the ILD detector model. In this study, we obtained the reconstructed Higgs mass of M_H = 120.79 +- 0.089 GeV and 5.3% measurement accuracy of the cross-section for ZH->qqbb with the integrated luminosity of L=250 fb^{-1} data samples.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Distributed and Parallel Computing Systems · High-Energy Particle Collisions Research