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Updated: Jun 17, 2025

Setting Limits on Supersymmetry Using Simplified Models
Published on: November 15, 2013
A comparative study of flavour-sensitive observables in hadronic Higgs decays
Benjamin Campillo Aveleira1,2, Aude Gehrmann-De Ridder1,3, Christian T Preuss1,4
1Institute for Theoretical Physics, ETH, 8093 Zurich, Switzerland.
Future lepton colliders will observe distinct jet production from Higgs boson decays compared to Z-boson or photon decays. This study analyzes flavored jets in Higgs decays, revealing unique phenomenological implications.
Area of Science:
- High Energy Physics
- Particle Physics
- Quantum Chromodynamics
Background:
- Higgs boson decays produce quark and gluon jets, differing from photon and Z-boson decays.
- Understanding jet production is crucial for future lepton collider physics programs.
Purpose of the Study:
- To compute and analyze observables for flavored jets in hadronic Higgs decays.
- To compare jet production in Higgs decays with other processes.
- To investigate the impact of different jet algorithms on observables.
Main Methods:
- Calculations performed at Born level with next-to-leading order QCD corrections.
- Utilized an effective theory where the Higgs boson couples directly to gluons and b-quarks.
- Employed infrared-safe flavored jet algorithms: flavor- komis and flavor-dressing.
Main Results:
- Computed observables including jet energy, angular separation, and invariant mass of b-pairs.
- Contrasted results from Higgs decays with other decay categories.
- Demonstrated differences in observables based on the chosen flavored jet algorithm.
Conclusions:
- Hadronic Higgs decays exhibit distinct jet signatures compared to other electroweak processes.
- The choice of flavored jet algorithm influences the observed phenomenological implications.
- Results provide crucial insights for experimental analyses at future lepton colliders.
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