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Les Houches Higgs Working Group

To be updated

Parton shower and underlying event related systematics in Higgs measurements for signal and background (together with Loops,Multilegs,Jets)
Prospect of quark/gluon jet tagging for VBF (synergy with Jets session)
Predictions+uncertainty models for backgrounds to ttH production: tt+HF, ggH+HF, tt+V
Background function choice for H→gamgam and H→mumu: how to evaluate the functional choice systematics
STXS:
- Brainstorming on “STXS for Higgs decays” or something similar for decay propery measurements
- Updates on STXS for production
Probing Higgs Width and Top Quark Yukawa Coupling from ttH and tttt
Higgs pair production and self-coupling observables, top quark mass-scheme uncertainties
EFT description of Higgs production

Ultimate automated one loop matching
Higgs couplings vs VV scattering as a probe of new physics
Higgs CP violating couplings to lighter fermions
Standardization of sharing BSM predictions for observables
LFV Higgs to 4 leptons
STXS: usefulness of different binning from BSM models point of view
Higgs Precision vs Direct Detection of new physics
Higgs pairs: lambda_HHH from single & double;
Natural Higgs alignment, low upper limits on new Higgs masses, and non-SM multi-H couplings in the Gildener-Weinberg scheme.
VBF Higgs pairs: C2v, Cv relation
Rare decays: benchmark for H→aa→gamgamgamgam
Rare and exotic Higgs decays: further channels not searched for? motivation in specific BSM scenarios?
CP violation and Higgs: (HL-)LHC sensitivity, complementarity with other probes (e.g. EDMs)
Lighter than 125 GeV scalars: how well are they covered by LHC and LEP?
Interpretation of SM coupling/STXS constraints in BSM benchmarks
MSSM: how to close the gap in the high mA (>= 500 GeV), intermediate tan(beta) range?
Precision measurements to sharpen interpretation of Higgs results (W mass, TGCs, W/Z coupling to quarks, CKM …)
New physics at the high-energy tail of Higgs distributions

Les Houches