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The 20th Workshop of the LHC Higgs Working Group

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Description

The aim of the LHC Higgs Working Group (LHCHWG) is to collect and produce theoretical predictions relevant for Higgs physics in the Standard Model and beyond. Summaries of these activities have been made available in four CERN Reports: "Inclusive Observables" (CERN-2011-002), "Differential Distributions" (CERN-2012-002),  "Higgs Properties" (CERN-2013-004) and "Deciphering the nature of the Higgs Sector" (CERN-2017-002).

Contribution requests should be addressed to the individual WG Conveners and the Steering Committee. 

The meeting will be in-person at CERN, however a Zoom connection will be available for those who cannot travel to CERN.

If you will request financial assistance, you must register before October 1st and request it in the registration form. 

Zoom connection details will only be visible to registered participants.

Social events

  • The workshop dinner will be held on Tuesday at 7pm, at Luigia Academy in Meyrin.  The set menu (3 courses) costs 60 CHF.  More details are here.
  • There will be a joint drinks event with our LHC EFT colleagues on Wednesday at the end of the workshop (outside the Council Chamber).

Related events/meetings during the week

LHC Higgs WG Steering Committee
Registration
Registration to 20th LHC Higgs WG Workshop
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Participants
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  • Monday 13 November
    • Opening and Cross-Topic Plenary 503/1-001 - Council Chamber (CERN)

      503/1-001 - Council Chamber

      CERN

      162
      Show room on map
    • 10:30
      Coffee break
    • Cross-Topic Plenary 503/1-001 - Council Chamber (CERN)

      503/1-001 - Council Chamber

      CERN

      162
      Show room on map
      • 5
        Triple Higgs production: A window on SM and BSM physics (20'+10') (remote)
        Speakers: Benjamin Fuks, Tania Natalie Robens (Rudjer Boskovic Institute (HR))
        HHH_fuks_merged.pdf
      • 6
        Monte Carlo harmonisation (20'+10') (remote)
        Speaker: Xiaohu Sun (Peking University (CN))
        HH-XiaohuSUN-2023-11-13-LHCHXSWG-HHMC.pdf
      • 7
        Updates from PDF global fits and aN3LO benchmarking (20'+10') (remote)
        Speaker: Maria Ubiali
        WG1PDF_ubiali.pdf
    • 12:30
      Lunch break and ATLAS visits

      ATLAS visits

      (sign up: https://docs.google.com/forms/d/e/1FAIpQLSdkggfv20kwPeYVHNd4JSWZnCfPPMmQ5qmOEBS0CgjJT_zdxw/viewform?usp=sf_link)

    • Plenary (WG2) 503/1-001 - Council Chamber (CERN)

      503/1-001 - Council Chamber

      CERN

      162
      Show room on map
      • 8
        Recent couplings and cross-section measurements from ATLAS and CMS (15'+7', remote)
        Speaker: Kunlin Ran (Deutsches Elektronen-Synchrotron (DE))
        hCouplingXS20231113.pdf
      • 9
        Recent mass, width and CP results from ATLAS and CMS (15'+7', remote)
        Speaker: Filippo Errico (Sapienza Universita e INFN, Roma I (IT))
        FErrico_LHC_HWG.pdf
      • 10
        BSM interpretations of Higgs measurements (15'+7')
        Speaker: Thomas Biekoetter
        slides.pdf
      • 11
        Constraining ALPs with Higgs data via SMEFT (15'+7')
        Speaker: Anke Biekoetter (JGU Mainz)
        Higgs_WG_Biekoetter.pdf
    • 15:30
      Coffee break
    • Plenary (WG3) 503/1-001 - Council Chamber (CERN)

      503/1-001 - Council Chamber

      CERN

      162
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      • 12
        Extended Higgs Sector Summary
        Speaker: Tania Natalie Robens (Rudjer Boskovic Institute (HR))
        wg3_upd.pdf
      • 13
        MSSM Working Group Summary
        Speaker: Emanuele Angelo Bagnaschi (CERN/INFN Laboratori Nazionali di Frascati)
        HXSWG-MSSM-2023-Bagnaschi_v5.pdf
      • 14
        Exotic Higgs Decays Summary
        Speaker: Carlos Vazquez Sierra (Universidade de Santiago de Compostela (ES))
        CVS_WG3_ExoticHiggsDecays.pdf
      • 15
        NMSSM Working Group Summary
        Speaker: Daniel Winterbottom (Imperial College (GB))
        NMSSM_plenary_2023_v2.pdf
  • Tuesday 14 November
    • Plenary (WG1) 503/1-001 - Council Chamber (CERN)

      503/1-001 - Council Chamber

      CERN

      162
      Show room on map
    • 10:30
      Coffee break
    • Plenary (WG4) 503/1-001 - Council Chamber (CERN)

      503/1-001 - Council Chamber

      CERN

      162
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      • 19
        CMS HH experimental overview
        Speaker: Bruno Alves (Centre National de la Recherche Scientifique (FR))
        HHsearchesCMS_LHCWG4.pdf
      • 20
        ATLAS HH experimental overview
        Speaker: Elisabeth Petit (CPPM, Aix-Marseille Université, CNRS/IN2P3 (FR))
        ATLASresults_LHCHWG2023_141123.pdf
      • 21
        Higgs boson pair production at NLO in the POWHEG approach and the top quark mass uncertainties
        Speaker: Emanuele Angelo Bagnaschi (CERN/INFN Laboratori Nazionali di Frascati)
        HXSWG-HH-BAGNASCHI_v5.pdf
      • 22
        Higgs boson production in association with bottom quarks at NLO matched to parton showers
        Speakers: Javier Mazzitelli, Javier Mazzitelli (Paul Scherrer Institut (CH))
        bbH_background_mazzitelli.pdf
      • 23
        NLO EW corrections for di-Higgs production
        Speaker: Kay Schönwald (University of Zuerich)
        HWG_2023.pdf
    • 12:30
      Lunch break
    • Plenary (WG1 + Future Colliders) 503/1-001 - Council Chamber (CERN)

      503/1-001 - Council Chamber

      CERN

      162
      Show room on map
    • 15:30
      Coffee break
    • Anniversary Plenary 503/1-001 - Council Chamber (CERN)

      503/1-001 - Council Chamber

      CERN

      162
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      Conveners: Chiara Mariotti (INFN Torino (IT)), Giampiero Passarino (Torino University), Gian Piero Passarino (Universita e INFN Torino (IT)), Reisaburo TANAKA, Reisaburo Tanaka (LAL), Reisaburo Tanaka (IJCLab, Université Paris-Saclay (FR)), Stefan Dittmaier (Albert Ludwigs Universitaet Freiburg (DE)), Stefan Dittmaier (MPI fuer Physik)
      • 27
        Starting the LHC HXS WG - theory perspective
        Speakers: Stefan Dittmaier (Albert Ludwigs Universitaet Freiburg (DE)), Stefan Dittmaier (MPI fuer Physik)
        LHCHXSWG23.pdf
      • 28
        Starting the LHC HXS WG - experimental perspective
        Speaker: Reisaburo Tanaka (IJCLab, Université Paris-Saclay (FR))
        LHC_HiggsWG2023_ReiTanaka.pdf
      • 29
        The good and bad of the Yellow Reports
        Speaker: Chiara Mariotti (INFN Torino (IT))
        YellowReport-2023.pdf
        YellowReport-2023.pptx
      • 30
        LHCHWG: the paradigm shift
        Speakers: Giampiero Passarino (Torino University), Gian Piero Passarino (Universita e INFN Torino (IT))
        HXS23.pdf
    • Workshop dinner
  • Wednesday 15 November
    • WG1 Higgs XS&BR parallel: Morning 1 4/3-006 - TH Conference Room (CERN)

      4/3-006 - TH Conference Room

      CERN

      110
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      • 31
        Signal-Background interferfence effects in diphoton production beyond NLO QCD (17'+5')
        Speaker: Federico Buccioni
        buccioni_HWG23.pdf
      • 32
        Non-factorizable corrections to Higgs production in Vector Boson Fusion (15'+5')
        Speaker: Dr Ming-Ming Long (KIT-TTP)
        mmlong_LHCHWG2023.pdf
      • 33
        Improving NLO QCD event generators with high-energy EW corrections: ttH production (17'+5')
        Speaker: Timea Vitos
        CERN_Higgs_2023.pdf
      • 34
        Light quark Yukawa couplings from off-shell Higgs production (17'+5') [remote]
        Speaker: Ramona Groeber (Università di Padova and INFN, Sezione di Padova)
        offshell_ramona.pdf
    • WG2 Higgs Properties Parallel: Morning 1 40/S2-A01 - Salle Anderson (CERN)

      40/S2-A01 - Salle Anderson

      CERN

      100
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      • 35
        Update on common format & toolchain for SMEFT parametrisations, STXS & beyond (15'+7')
        Speaker: Eleonora Rossi (University of Oxford (GB))
        example_1511.json
        STXS param.pdf
      • 36
        STXS beyond 1.2 (CPV and other considerations), experimental view (15'+7')
        Speaker: Benedict Tobias Winter (Albert Ludwigs Universitaet Freiburg (DE))
        LHC-HiggsWG_2023.pdf
      • 37
        STXS in decays (15'+7')
        Speaker: Michael Duehrssen-Debling (CERN)
        note_STXS_Higgs_decay_definition.pdf
        STXS in decays.pdf
      • 38
        STXS beyond 1.2, BSM view (15'+7', remote)
        Speakers: Tilman Plehn, Tilman Plehn, Tilman Plehn (Heidelberg University)
        cern_higgs_23.pdf
    • WG3 BSM Higgs Parallel: Morning 1 31/3-004 - IT Amphitheatre (CERN)

      31/3-004 - IT Amphitheatre

      CERN

      105
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      • 39
        Charged Higgs Cross section Updates
        Speaker: Emanuele Angelo Bagnaschi (CERN/INFN Laboratori Nazionali di Frascati)
        HXSHWG-charged-2023-BAGNASCHI_v2.pdf
      • 40
        Recasts
        Speaker: Dr Louie Dartmoor Corpe (Laboratoire de Physique de Clermont (LPC))
        LCORPE_LHCHWG_Reinterpretations_15Nov2023.pdf
      • 41
        WG2+3 overview
        Speaker: Tania Natalie Robens (Rudjer Boskovic Institute (HR))
        wg2wg3.pdf
      • 42
        How to study n-Higgs doublet models
        Speaker: Markos Maniatis (Departamento de Ciencias Basicas, UBB, Chillan, Chile)
        maniatis.pdf
      • 43
        Search for X->Yh->VVtautau with the ATLAS detector [remote]
        Speaker: Babar Ali (Czech Technical University in Prague (CZ))
        bali_SHVVtautau_LHCHWG23.pdf
    • WG4 HH and multi-Higgs Parallel: Morning 1 503/1-001 - Council Chamber (CERN)

      503/1-001 - Council Chamber

      CERN

      162
      Show room on map
      • 44
        Overview of triple Higgs physics at the LHC
        Speaker: Marko Stamenkovic (Brown University (US))
        20231115_HHH_LHC_WG.pdf
      • 45
        2HDM Triple Higgs couplings at NLO at the HL-LHC
        Speaker: Kateryna Radchenko Serdula (DESY)
        LHCWG_20th-Radchenko.pdf
      • 46
        NLO QCD corrections in the 2HDM
        Speaker: Michael Spira (Paul Scherrer Institute (CH))
        spira_hh.pdf
      • 47
        Vector-boson polarization in VBF di-Higgs production
        Speaker: Anna Sophie Tegetmeier (Centre National de la Recherche Scientifique (FR))
        VectorBosonPolarizationVBFdiHiggs.pdf
    • 10:30
      Coffee break
    • WG1 Higgs XS&BR parallel: Morning 2 4/3-006 - TH Conference Room (CERN)

      4/3-006 - TH Conference Room

      CERN

      110
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      • 48
        CMS Hbb boosted produced via VBF or gluon-fusion (15') [remote]
        Speaker: Jennet Elizabeth Dickinson (Fermi National Accelerator Lab. (US))
        Dickinson_LHCHWG_CMSVBF_v1.pdf
      • 49
        ATLAS boosted Higgs results (15') [remote]
        Speaker: Zhi Zheng (SLAC National Accelerator Laboratory (US))
        Boosted_Higgs_1114.pdf
      • 50
        Discussion: CMS & ATLAS boosted Higgs results (15')
      • 51
        ATLAS off-shell results (15')
        Speaker: Michiel Jan Veen (University of Massachusetts (US))
        23_11_15_HWGWorkshop_offshell_mveen.pdf
      • 52
        CMS off-shell results (15') [remote]
        Speaker: Savvas Kyriacou (Johns Hopkins University (US))
        LHCWG_CMSOFF.pdf
      • 53
        Discussion: ATLAS & CMS offshell results
    • WG2 Higgs Properties Parallel: Morning 2 40/S2-A01 - Salle Anderson (CERN)

      40/S2-A01 - Salle Anderson

      CERN

      100
      Show room on map
    • WG3 BSM Higgs Parallel: Morning 2 31/3-004 - IT Amphitheatre (CERN)

      31/3-004 - IT Amphitheatre

      CERN

      105
      Show room on map
      • 57
        Search for $h\rightarrow aa \rightarrow 2\mu 2b/2b2\tau$ with the CMS experiment
        Speaker: Pallabi Das (Princeton University (US))
        HiggsToAA_CMS_LHCHWG.pdf
      • 58
        Search for $h\rightarrow aa\rightarrow 4\gamma$ with the ATLAS experiment
        Speaker: Peter Kramer (Johannes Gutenberg Universitaet Mainz (DE))
        2023-11-15__LHC_Higgs_WG.pdf
      • 59
        Emerging jet probes of strongly interacting dark sectors
        Speaker: Dr José Francisco Zurita (IFIC - Univ. of Valencia and CSIC (ES))
        Zurita_EJ_recasting.pdf
      • 60
        SMEFT at NNLO+PS: $Vh$ production
        Speaker: Luc Schnell (Max Planck Institute for Physics)
        Vh Production.pdf
      • 61
        New Developments in MSSM Higgs Production and Decay
        Speaker: Michael Spira (Paul Scherrer Institute (CH))
        spira_mssm.pdf
      • 62
        2HDM scans
        Speaker: Matteo Bonanomi (Hamburg University)
        151123_2HDMComputations_MBonanom.pdf
    • WG4 HH and multi-Higgs Parallel: Morning 2 503/1-001 - Council Chamber (CERN)

      503/1-001 - Council Chamber

      CERN

      162
      Show room on map
      • 63
        Resonant di-Higgs production in the RxSM: Pure resonant vs. full cross sections
        Speaker: Alain Verduras
        LHC_WG4_A.Verduras.pdf
      • 64
        New trigger strategies targeting HH events at the CMS experiment in Run 3
        Speaker: Stephane Brunet Cooperstein (Univ. of California San Diego (US))
        cooperstein_CMSHHtriggers_nov152023.pdf
    • 12:30
      Lunch break
    • Plenary joint with LHC EFT WG 503/1-001 - Council Chamber (CERN)

      503/1-001 - Council Chamber

      CERN

      162
      Show room on map
      • 65
        SMEFT in the Higgs sector in CMS (15'+7')
        Speaker: Alessandro Calandri (Eidgenoessische Technische Hochschule Zuerich (CH))
        Calandri_HiggsEFT_15112023.pdf
      • 66
        SMEFT in ATLAS (15'+7')
        Speaker: Eleonora Rossi (University of Oxford (GB))
        ER_LHCWGmeeting_1511.pdf
      • 67
        Higgs-gluon coupling in SMEFT (and EFT H+HH plans) (15'+7')
        Speaker: Stefano Di Noi (Università di Padova and INFN, Sezione di Padova)
        HiggsEFT_DiNoi.pdf
      • 68
        Diboson production in the SMEFT from gluon fusion (15'+7')
        Speaker: Marion Thomas (University of Manchester)
        HWG_MarionThomas.pdf
    • 15:30
      Coffee break
    • Summary and Closeout Plenary 503/1-001 - Council Chamber (CERN)

      503/1-001 - Council Chamber

      CERN

      162
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      Conveners: Julie Malcles (IRFU-CEA, Université Paris-Saclay (FR)), Tim Cohen (CERN)
    • Joint drink with EFT friends 61/1-201 - Pas perdus - Not a meeting room - (CERN)

      61/1-201 - Pas perdus - Not a meeting room -

      CERN

      10
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