“School of Particles And Accelerator”
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| Paper IPM / Particles And Accelerator / 14676 |
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| Abstract: | |||||
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We probe the dimension-six operators contributing to Higgs production in association with a Z boson at the future high luminosity electron-positron colliders.
Potential constraints on dimension-six operators in the Higgs sector are determined
by performing a shape analysis on the differential angular distribution of the Higgs and Z bosons decay products. The analysis
is performed at the center-of-mass energies of 350 GeV and 500 GeV including a realistic detector simulation and the main sources
of background processes.
The 68% and 95% confidence level upper limits are obtained on the contributing anomalous couplings
considering only the decay of Higgs boson into a pair of b-quarks and leptonic Z boson decay.
Our results show that angular observables provide a great sensitivity to the anomalous couplings, in particular at high luminosity regime.
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