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25 April 2024

» arxiv » 1503.8055

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Measuring BR($h o au ^+ au ^-$) at the ILC: a full simulation study
Shin-ichi Kawada ; Keisuke Fujii ; Taikan Suehara ; Tohru Takahashi ; Tomohiko Tanabe ; Harumichi Yokoyama ;
Date:	27 Mar 2015
Abstract:	We evaluate the expected measurement accuracy of the branching ratio of the Standard Model Higgs boson decaying into tau pairs at the ILC with a full simulation of the ILD detector concept. We assume a Higgs mass of 125 GeV, a branching ratio of BR($h o au ^+ au ^-$) = 6.32%, a beam polarization of electron (positron) of -0.8(+0.3), and an integrated luminosity of 250 fb$^{-1}$. The Higgs-strahlung process $e^+ e^- o Zh$ with $Z o qoverline{q}$ is analyzed. We estimate the measurement accuracy of the branching ratio $Delta (sigma imes mathrm{BR}) / (sigma imes mathrm{BR})$ to be 3.4% with using a multivariate analysis technique.
Source:	arXiv, 1503.8055
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