HZ Recoil Mass and Cross Section Analysis in ILD
H. Li, R. P\"oschl, F. Richard (for the ILD Concept group)
TL;DR
This paper presents a simulation study of Higgs boson production in the ILD detector, achieving precise measurements of the cross section and mass, with optimized background reduction and sensitivity to accelerator configurations.
Contribution
It introduces an optimized analysis method for Higgs-strahlung process measurement using ILD simulation, improving precision and background suppression.
Findings
Cross section measured with 2-3% precision
Higgs mass determined with ~30 MeV accuracy
Analysis sensitive to accelerator configuration
Abstract
This note describes the details of a simulation study of the Higgs boson production for processes in which the Higgs is produced together with a well measurable di-lepton system using the proposal of the ILD detector for its Letter of Intent. The analysis is optimised for the measurement of the Higgs-strahlung process, i.e. e+e- -> HZ. The cross section can be determined with a precision of 2-3% and by combining the decay channels a precision of ~30 MeV is obtained for the mass of the Higgs boson. The background can be largely reduced and the analysis exhibits a sensitivity to the configuration of the accelerator.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Particle Detector Development and Performance · Particle Accelerators and Free-Electron Lasers