A study of the measurement precision of the Higgs boson decaying into tau pairs at the ILC |
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| Authors: | Shin-ichi Kawada Keisuke Fujii Taikan Suehara Tohru Takahashi Tomohiko Tanabe |
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| Institution: | 1.Advanced Sciences of Matter (AdSM),Hiroshima University,Higashi-Hiroshima,Japan;2.High Energy Accelerator Research Organization (KEK),Tsukuba,Japan;3.Graduate School of Science,Kyushu University,Fukuoka,Japan;4.International Center for Elementary Particle Physics (ICEPP),The University of Tokyo,Tokyo,Japan |
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| Abstract: | We evaluate the measurement precision of the production cross section times the branching ratio of the Higgs boson decaying into tau lepton pairs at the International Linear Collider (ILC). We analyze various final states associated with the main production mechanisms of the Higgs boson, the Higgs-strahlung and WW-fusion processes. The statistical precision of the production cross section times the branching ratio is estimated to be 2.6 and 6.9 % for the Higgs-strahlung and WW-fusion processes, respectively, with the nominal integrated luminosities assumed in the ILC Technical Design Report; the precision improves to 1.0 and 3.4 % with the running scenario including possible luminosity upgrades. The study provides a reference performance of the ILC for future phenomenological analyses. |
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