Higgs boson coupling sensitivity at the LHC using H->tau tau decays
Christopher Boddy, Sinead Farrington, Christopher Hays
TL;DR
This paper explores how to measure the Higgs boson's couplings at the LHC by analyzing specific production modes and decay channels, aiming to improve the precision of coupling ratio measurements for a 125 GeV Higgs.
Contribution
It introduces a method to enhance sensitivity to Higgs coupling ratios using WH, ZH, and ttbarH production modes with tau decay channels at 14 TeV LHC.
Findings
Potential to improve coupling ratio measurements
Sensitivity estimates with 100/fb data
Focus on low-mass Higgs boson around 125 GeV
Abstract
We investigate the potential for measuring the relative couplings of a low-mass Higgs boson at the Large Hadron Collider using WH, ZH, and ttbarH production, where the Higgs boson decays to tau-lepton pairs. With 100/fb of sqrt(s) = 14 TeV pp collision data we find that these modes can improve sensitivity to coupling-ratio measurements of a Higgs boson with a mass of about 125 GeV/c^2.
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