====== Les Houches Higgs Working Group ======

===List of Participants (Access restricted to registered participants) ===
       *[[2019:participants:higgs_s1|Present in Les Houches in session 1]]
       *[[2019:participants:higgs_s2|Present in Les Houches in session 2]]
       *[[2019:participants:higgs_global|The Global List including all registered participants for the Higgs]] 





=== List of Topics ===
 **To be updated**


==== SM Issues (Session 1)====

        * 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

==== Working Group Pages (Session 1) ====

       * [[ 2019:groups:higgs:STXS | STXS Topics ]]
       * [[ 2019:groups:higgs:hheft | HH EFT Combination ]]
       * [[ 2019:groups:higgs:massuncert | HJ/HH/ZH/H* Mass Scheme Uncertainties ]]
       * [[ 2019:groups:higgs:hjpt | HJ PT Predictions (Fiducial) ]]
       * [[ 2019:groups:higgs:higgseft | H EFT ]]
       * [[ 2019:groups:higgs:ggzh | gg->ZH + 0/1 Jet ]]
       * [[ 2019:groups:higgs:ttV EW | ttV EW corrections ]]


==== Working Group Pages (Session 2) ====
       * [[ 2019:groups:higgs:seminvisible | Exotic Higgs decays (visible and semi-visible)]]
       * [[ 2019:groups:higgs:doublebeyond | Double Higgs production beyond the SMEFT]]
       * [[ 2019:groups:higgs:lightscalars | Light scalars]]
       * [[ 2019:groups:higgs:gildener | Gildener-Weinberg]]
       * [[ 2019:groups:higgs:stxsbsm | STXS BSM]]
       * [[ 2019:groups:higgs:hhmet | Double Higgs + MET]]
       * [[ 2019:groups:higgs:sigbackg | Signal and Background contamination by BSM]]
       * [[ 2019:groups:higgs:nonhiggs | Non-Higgs signals of Higgs couplings ]]
       * [[ 2019:groups:higgs:validity | EFT validity]]

====Higgs: new physics. Session 2 ====
    * Collider probes of H parameter
    * 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