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The 16th Workshop of the LHC Higgs Cross Section Working Group

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503/1-001 - Council Chamber (CERN)

503/1-001 - Council Chamber

CERN

162
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Description

      The LHC Higgs cross-section working group (HXSWG) was created in January 2010. The aim of this group was to produce agreements on cross sections, branching ratios and pseudo-observables relevant to SM and MSSM Higgs boson(s). In spring 2012, the group was restructured and new subgroups were added with the goal of discussing Higgs property/measurement and BSM extensions. Four CERN Reports have been completed, "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).  This 16th general meeting will be an occasional to decide the future direction of the group. Similar to the previous workshop, this meeting will be half a day longer, in order to allocate a discussion session in the afternoon of October 17th. The discussion session is conceived to have some time to cover in more depth (technical) issues which, for lack of time, are usually either skipped or treated very quickly during our plenary meetings. Each WG will organise their own (parallel) discussion session. A summary of each discussion will be provided in the final session on Friday.

 

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Participants
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  • Wednesday 16 October
    • 09:00 → 10:15
      Plenary: WG1 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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    • 10:15 → 10:45
      Coffee break 30m 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
      Show room on map
    • 10:45 → 12:00
      Plenary: WG1 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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      • 10:45
        Offshell: TH 10m
        Speaker: Raoul Horst Rontsch
        HXSWG_20191016_roentsch.pdf
      • 10:55
        Offshell: EXP 10m
        Speaker: Ulascan Sarica (Univ. of California Santa Barbara (US))
        20191016.pdf
      • 11:15
        ttH/tH: EXP 15m
        Speakers: Joshuha Thomas-Wilsker (Institute Of High Energy Physics, Beijing), Dr Maria Moreno Llacer (Univ. of Valencia and CSIC (ES))
        2019-ttHExp-LHCHXSWG.pdf
      • 11:30
        ttH/tH: TH 15m
        Speaker: Laura Reina (Florida State University (US))
        tth_theory_october_19.pdf
    • 12:00 → 13:00
      Lunch 1h 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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    • 13:00 → 14:30
      Plenary: WG1+WG2: STXS 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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    • 14:30 → 18:00
      Plenary: WG2 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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      • 14:30
        Experimental summary 25m

        Experimental overview of recent fiducial, differential and STXS measurements by ATLAS and CMS, and their interpretations (kappa, EFT)

        Speaker: Hongtao Yang (Lawrence Berkeley National Lab. (US))
        20191016_lhc_higgs_xs_exp_summary.pdf
      • 14:55
        Higgs EFT parameterisation efforts 25m
        Speaker: Chris Hays (University of Oxford (GB))
        LHCHXSWG_16102019.pdf
      • 15:20
        Higgs + top EFT interpretations 25m
        Speaker: Ken Mimasu (Particle Physics-Rutherford Appleton Laboratory-STFC - Science &)
        Mimasu_HXSWG.pdf
      • 15:45
        Coffee break 30m
      • 16:15
        Higgs + multi-boson EFT interpretations 25m
        Speaker: Marc Riembau (Universite de Geneve (CH))
        CERNhxswg_oct19.pdf
      • 16:40
        Automated matching at 1-loop for EFTs 25m
        Speakers: Adrian Carmona (CERN), Adrian Carmona Bermudez (Universidad de Granada (ES))
        MM.pdf
      • 17:05
        Motivation for differential observables 25m
        Speakers: Frank Tackmann, Frank Tackmann (Deutsches Elektronen-Synchrotron (DE))
        2019-10-16_Higgs_diffXS_FT.pdf
  • Thursday 17 October
    • 09:00 → 13:00
      Plenary: WG3 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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      • 09:00
        Introduction 10m
        WG3_Introduction.pdf
      • 09:10
        Summary of "Extended Higgs Sector" group activities 30m
        Speaker: Rui Santos (ISEL)
        WG3Oct2019_santos.pdf
      • 09:40
        Summary of "Exotic Higgs Decays" group activities 30m
        Speaker: Cecile Sarah Caillol (University of Wisconsin Madison (US))
        WG3_LHCXSWG_17102019.pdf
      • 10:10
        Summary of "MSSM" group activities 30m
        Speaker: Andrew Gilbert (Northwestern University (US))
        LHCHXSWG-MSSMNeutral-Oct19.pdf
      • 10:40
        Higgs and Long-Lived Particles 30m
        Speaker: Matthew Daniel Citron (Univ. of California Santa Barbara (US))
        HXSWGLL_MCitron.pdf
      • 11:10
        Coffee Break 30m
      • 11:40
        Recommendations for the presentation of auxiliary information in BSM Higgs searches 20m
        Speaker: Sven Heinemeyer (CSIC (Madrid, ES))
        sven.pdf
      • 12:00
        Summary of "NMSSM" group activities [vidyo] 30m
        Speaker: Milada Muhlleitner (KIT - Karlsruhe Institute of Technology (DE))
        lhcwgnmssm_muhlleitner.pdf
      • 12:30
        Summary of the activities of the LHC DM WG [vidyo] 30m
        Speaker: Philip Coleman Harris (Massachusetts Inst. of Technology (US))
        PCH_Higgs_DMWG_17_10.pdf
    • 13:00 → 13:30
      Plenary: bbH 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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      Convener: Marius Wiesemann (Max-Planck-Institut fur Physik (DE))
    • 13:30 → 14:30
      Lunch 1h 503/1-001 - Council Chamber

      503/1-001 - Council Chamber

      CERN

      162
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    • 14:30 → 15:50
      Parallel Sessions: WG-2 40/S2-B01 - Salle Bohr

      40/S2-B01 - Salle Bohr

      CERN

      100
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      • 14:30
        EFT parameterisation and Higgs total width in SMEFT 30m
        Speaker: Ilaria Brivio (University of Heidelberg)
        slides_HXSWGmeeting.pdf
      • 15:00
        EFT parameterisation of STXS (CMS) 10m
        Speaker: Jonathon Mark Langford (Imperial College (GB))
        lhchxswg_eft_param_191017.pdf
      • 15:10
        EFT parameterisation of STXS (ATLAS) 10m
        Speaker: Ana Rosario Cueto Gomez (Centre National de la Recherche Scientifique (FR))
        MethodologyEF_STXS.pdf
      • 15:20
        Discussion 10m
      • 15:30
        EFT parameterisation tools within ATLAS/CMS 20m
        Speaker: Andrew Gilbert (Northwestern University (US))
        LHCHXSWG-EFTTools-Oct19.pdf
    • 14:30 → 15:45
      Parallel Sessions: joint WG3 - HH 42/3-032

      42/3-032

      CERN

      20
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      • 14:30
        Overview of resonant HH searches at ATLAS and CMS 15m
        Speaker: Daniel Guerrero (University of Florida (US))
        HXSWorkshop_DGuerrero.pdf
      • 14:45
        C2HDM Higgs pair production 15m
        Speaker: Fontes Duarte
        Talk.pdf
      • 15:00
        Double Higgs final states in Singlet Extensions of the SM [vidyo] 15m
        Speaker: Milada Margarete Mühlleitner
        santosmmm_WG3_HH_Oct2019.pdf
      • 15:15
        HH production for scalar Higgs sector extensions [vidyo] 15m
        Speaker: Christoph Peter Englert (University of Glasgow (GB))
        2019_CERN.pdf
      • 15:30
        2HDM+S and the NMSSM: benchmark suggestions for HH production [vidyo] 15m
        Speakers: Nausheen Shah (Wayne State University), Sebastian Baum (Stockholm University and Oskar Klein Centre)
        SHAH_LHC_HHWG_Oct_17_2019.pdf
    • 15:00 → 16:50
      Parallel Sessions: WG-1 (parton shower) 60/6-015 - Room Georges Charpak (Room F)

      60/6-015 - Room Georges Charpak (Room F)

      CERN

      90
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      • 15:00
        A fragmentation-based study of heavy quark production 20m
        Speaker: Marco Zaro (Nikhef)
        gbb_hxswg_nov19.pdf
      • 15:25
        ATLAS/CMS comparisons for the main ttH/tH backgrounds 20m
        Speaker: Kirill Grevtsov (Deutsches Elektronen-Synchrotron (DE))
        GK_191710_ttH_bkg.pdf
      • 15:50
        Parton shower studies in WG1-VBF 15m
        Speaker: Yacine Haddad (Northeastern University (US))
        PS-uncertainties-VBF.pdf
      • 16:10
        Summary of Les Houches studies 15m
        Speaker: Carlo Enrico Pandini (CERN)
        LH_PS_pandini_2019_10_17.pdf
    • 16:00 → 19:00
      Parallel Sessions: WG-3 42/3-032

      42/3-032

      CERN

      20
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      • 16:00
        Discussion on the use of HXS4BSM numbers (WG3 + VBF) 1h
        Speaker: Dermot Anthony Moran (Centro de Investigaciones Energéti cas Medioambientales y Tecno)
        hxswg_dmoran.pdf
      • 17:15
        WG3 Discussion: Recommendations for the presentation of auxiliary information in the Run-2 legacy papers 1h 15m
    • 16:15 → 17:30
      Parallel Sessions: joint WG2 - HH 40/S2-B01 - Salle Bohr

      40/S2-B01 - Salle Bohr

      CERN

      100
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      • 16:15
        Experimental challenges in H and HH EFT fits 20m
        Speaker: Francesco Micheli (Eidgenoessische Tech. Hochschule Zuerich (ETH))
        micheli_HH_2019_10_17.pdf
      • 16:35
        EFT fits and self-coupling extraction in H and HH: theory overview 20m
        Speaker: Eleni Vryonidou (CERN)
        hh_discussion.pdf
    • 17:30 → 18:30
      Parallel Sessions: WG2 40/S2-B01 - Salle Bohr

      40/S2-B01 - Salle Bohr

      CERN

      100
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      • 17:30
        Motivation for differential observables - follow-up 20m
        Speakers: Frank Tackmann, Frank Tackmann (Deutsches Elektronen-Synchrotron (DE))
        2019-10-17_Higgs_diffXS_discussion.pdf
      • 17:50
        Extending STXS with final state information 40m
        Speakers: Michael Duehrssen-Debling (CERN), Nicolas Berger (Centre National de la Recherche Scientifique (FR))
        STXS_and_decay_information.pdf
    • 17:45 → 18:45
      Parallel Sessions: HH 60/6-015 - Room Georges Charpak (Room F)

      60/6-015 - Room Georges Charpak (Room F)

      CERN

      90
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    • 19:00 → 22:00
      Workshop dinner
      DinnerLHCXSWGAssembly.pdf
  • Friday 18 October
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