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

Name: The 16th Workshop of the LHC Higgs Cross Section Working Group
Start: 2019-10-16T08:55:00+02:00
End: 2019-10-18T17:30:00+02:00
Location: CERN

16 Oct 2019, 08:55 → 18 Oct 2019, 17:30 Europe/Zurich

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.

Registration

Registration Form

Participants

124 View full list

Wednesday 16 October
- Plenary: WG1 503/1-001 - Council Chamber
  
  503/1-001 - Council Chamber
  
  CERN
  
  162
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  - 1
    
    Welcome and introduction
    
    WelcomeLHCXSWGAssembly.pdf
    
    WG1 Introduction_October2019.pdf
  - 2
    
    Gluon fusion
    
    Speaker: Andrea Massironi (CERN)
    
    Oct-16-Massironi_CMS_lhcxswg.pdf
  - 3
    
    VH
    
    Speaker: Carlo Enrico Pandini (CERN)
    
    VH_HXSWG_pandini_2019_10_16.pdf
  - 4
    
    Vector boson fusion
    
    Speaker: Dr Alexander Karlberg (Universitaet Zuerich (CH))
    
    161019LHCHXSWGMEETING.pdf
- 10:15
  
  Coffee break 503/1-001 - Council Chamber
  
  503/1-001 - Council Chamber
  
  CERN
  
  162
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- Plenary: WG1 503/1-001 - Council Chamber
  
  503/1-001 - Council Chamber
  
  CERN
  
  162
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  - 5
    
    Offshell: TH
    
    Speaker: Raoul Horst Rontsch
    
    HXSWG_20191016_roentsch.pdf
  - 6
    
    Offshell: EXP
    
    Speaker: Ulascan Sarica (Univ. of California Santa Barbara (US))
    
    20191016.pdf
  - 7
    
    ttH/tH: EXP
    
    Speakers: Joshuha Thomas-Wilsker (Institute Of High Energy Physics, Beijing), Dr Maria Moreno Llacer (Univ. of Valencia and CSIC (ES))
    
    2019-ttHExp-LHCHXSWG.pdf
  - 8
    
    ttH/tH: TH
    
    Speaker: Laura Reina (Florida State University (US))
    
    tth_theory_october_19.pdf
- 12:00
  
  Lunch 503/1-001 - Council Chamber
  
  503/1-001 - Council Chamber
  
  CERN
  
  162
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- Plenary: WG1+WG2: STXS 503/1-001 - Council Chamber
  
  503/1-001 - Council Chamber
  
  CERN
  
  162
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  - 9
    
    STXS overview and new binning
    
    Speaker: Michael Duehrssen-Debling (CERN)
    
    STXS_overview.pdf
  - 10
    
    VBF STXS uncertainties
    
    Speaker: Yacine Haddad (Northeastern University (US))
    
    STXS-uncertainties-VBF.pdf
  - 11
    
    VH STXS uncertainties
    
    Speaker: Chris Palmer (Princeton University (US))
    
    VH_STXStatus_LHXSWG_GA_Oct2019.pdf
  - 12
    
    ggF STXS uncertainties
    
    Speaker: Syed Haider Abidi (University of Toronto (CA))
    
    ggFSyst_LHCXSWG_ATLAS_CMS.pdf
- Plenary: WG2 503/1-001 - Council Chamber
  
  503/1-001 - Council Chamber
  
  CERN
  
  162
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  - 13
    
    Experimental summary
    
    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
    
    Higgs EFT parameterisation efforts
    
    Speaker: Chris Hays (University of Oxford (GB))
    
    LHCHXSWG_16102019.pdf
  - 15
    
    Higgs + top EFT interpretations
    
    Speaker: Ken Mimasu (Particle Physics-Rutherford Appleton Laboratory-STFC - Science &)
    
    Mimasu_HXSWG.pdf
  - 15:45
    
    Coffee break
  - 16
    
    Higgs + multi-boson EFT interpretations
    
    Speaker: Marc Riembau (Universite de Geneve (CH))
    
    CERNhxswg_oct19.pdf
  - 17
    
    Automated matching at 1-loop for EFTs
    
    Speakers: Adrian Carmona (CERN), Adrian Carmona Bermudez (Universidad de Granada (ES))
    
    MM.pdf
  - 18
    
    Motivation for differential observables
    
    Speakers: Frank Tackmann, Frank Tackmann (Deutsches Elektronen-Synchrotron (DE))
    
    2019-10-16_Higgs_diffXS_FT.pdf
Thursday 17 October
- Plenary: WG3 503/1-001 - Council Chamber
  
  503/1-001 - Council Chamber
  
  CERN
  
  162
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  - 19
    
    Introduction
    
    WG3_Introduction.pdf
  - 20
    
    Summary of "Extended Higgs Sector" group activities
    
    Speaker: Rui Santos (ISEL)
    
    WG3Oct2019_santos.pdf
  - 21
    
    Summary of "Exotic Higgs Decays" group activities
    
    Speaker: Cecile Sarah Caillol (University of Wisconsin Madison (US))
    
    WG3_LHCXSWG_17102019.pdf
  - 22
    
    Summary of "MSSM" group activities
    
    Speaker: Andrew Gilbert (Northwestern University (US))
    
    LHCHXSWG-MSSMNeutral-Oct19.pdf
  - 23
    
    Higgs and Long-Lived Particles
    
    Speaker: Matthew Daniel Citron (Univ. of California Santa Barbara (US))
    
    HXSWGLL_MCitron.pdf
  - 11:10
    
    Coffee Break
  - 24
    
    Recommendations for the presentation of auxiliary information in BSM Higgs searches
    
    Speaker: Sven Heinemeyer (CSIC (Madrid, ES))
    
    sven.pdf
  - 25
    
    Summary of "NMSSM" group activities [vidyo]
    
    Speaker: Milada Muhlleitner (KIT - Karlsruhe Institute of Technology (DE))
    
    lhcwgnmssm_muhlleitner.pdf
  - 26
    
    Summary of the activities of the LHC DM WG [vidyo]
    
    Speaker: Philip Coleman Harris (Massachusetts Inst. of Technology (US))
    
    PCH_Higgs_DMWG_17_10.pdf
- 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))
  - 27
    
    bbH final status
    
    Speaker: Marius Wiesemann (Max-Planck-Institut fur Physik (DE))
    
    Wiesemann_16th_workshop_of_the_LHCHXSWG.pdf
- 13:30
  
  Lunch 503/1-001 - Council Chamber
  
  503/1-001 - Council Chamber
  
  CERN
  
  162
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- Parallel Sessions: WG-2 40/S2-B01 - Salle Bohr
  
  40/S2-B01 - Salle Bohr
  
  CERN
  
  100
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  - 28
    
    EFT parameterisation and Higgs total width in SMEFT
    
    Speaker: Ilaria Brivio (University of Heidelberg)
    
    slides_HXSWGmeeting.pdf
  - 29
    
    EFT parameterisation of STXS (CMS)
    
    Speaker: Jonathon Mark Langford (Imperial College (GB))
    
    lhchxswg_eft_param_191017.pdf
  - 30
    
    EFT parameterisation of STXS (ATLAS)
    
    Speaker: Ana Rosario Cueto Gomez (Centre National de la Recherche Scientifique (FR))
    
    MethodologyEF_STXS.pdf
  - 31
    
    Discussion
  - 32
    
    EFT parameterisation tools within ATLAS/CMS
    
    Speaker: Andrew Gilbert (Northwestern University (US))
    
    LHCHXSWG-EFTTools-Oct19.pdf
- Parallel Sessions: joint WG3 - HH 42/3-032
  
  42/3-032
  
  CERN
  
  20
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  - 33
    
    Overview of resonant HH searches at ATLAS and CMS
    
    Speaker: Daniel Guerrero (University of Florida (US))
    
    HXSWorkshop_DGuerrero.pdf
  - 34
    
    C2HDM Higgs pair production
    
    Speaker: Fontes Duarte
    
    Talk.pdf
  - 35
    
    Double Higgs final states in Singlet Extensions of the SM [vidyo]
    
    Speaker: Milada Margarete Mühlleitner
    
    santosmmm_WG3_HH_Oct2019.pdf
  - 36
    
    HH production for scalar Higgs sector extensions [vidyo]
    
    Speaker: Christoph Peter Englert (University of Glasgow (GB))
    
    2019_CERN.pdf
  - 37
    
    2HDM+S and the NMSSM: benchmark suggestions for HH production [vidyo]
    
    Speakers: Nausheen Shah (Wayne State University), Sebastian Baum (Stockholm University and Oskar Klein Centre)
    
    SHAH_LHC_HHWG_Oct_17_2019.pdf
- 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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  - 38
    
    A fragmentation-based study of heavy quark production
    
    Speaker: Marco Zaro (Nikhef)
    
    gbb_hxswg_nov19.pdf
  - 39
    
    ATLAS/CMS comparisons for the main ttH/tH backgrounds
    
    Speaker: Kirill Grevtsov (Deutsches Elektronen-Synchrotron (DE))
    
    GK_191710_ttH_bkg.pdf
  - 40
    
    Parton shower studies in WG1-VBF
    
    Speaker: Yacine Haddad (Northeastern University (US))
    
    PS-uncertainties-VBF.pdf
  - 41
    
    Summary of Les Houches studies
    
    Speaker: Carlo Enrico Pandini (CERN)
    
    LH_PS_pandini_2019_10_17.pdf
- Parallel Sessions: WG-3 42/3-032
  
  42/3-032
  
  CERN
  
  20
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  - 42
    
    Discussion on the use of HXS4BSM numbers (WG3 + VBF)
    
    Speaker: Dermot Anthony Moran (Centro de Investigaciones Energéti cas Medioambientales y Tecno)
    
    hxswg_dmoran.pdf
  - 43
    
    WG3 Discussion: Recommendations for the presentation of auxiliary information in the Run-2 legacy papers
- Parallel Sessions: joint WG2 - HH 40/S2-B01 - Salle Bohr
  
  40/S2-B01 - Salle Bohr
  
  CERN
  
  100
  Show room on map
  - 44
    
    Experimental challenges in H and HH EFT fits
    
    Speaker: Francesco Micheli (Eidgenoessische Tech. Hochschule Zuerich (ETH))
    
    micheli_HH_2019_10_17.pdf
  - 45
    
    EFT fits and self-coupling extraction in H and HH: theory overview
    
    Speaker: Eleni Vryonidou (CERN)
    
    hh_discussion.pdf
- Parallel Sessions: WG2 40/S2-B01 - Salle Bohr
  
  40/S2-B01 - Salle Bohr
  
  CERN
  
  100
  Show room on map
  - 46
    
    Motivation for differential observables - follow-up
    
    Speakers: Frank Tackmann, Frank Tackmann (Deutsches Elektronen-Synchrotron (DE))
    
    2019-10-17_Higgs_diffXS_discussion.pdf
  - 47
    
    Extending STXS with final state information
    
    Speakers: Michael Duehrssen-Debling (CERN), Nicolas Berger (Centre National de la Recherche Scientifique (FR))
    
    STXS_and_decay_information.pdf
- 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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  - 48
    
    Overview of HH MC generators in ATLAS and CMS
    
    Speaker: Xiaohu Sun (University of Manchester (GB))
    
    HH-XiaohuSUN-2019-10-17-LHCHXSWG-HHMC.pdf
  - 49
    
    Discussion
- Workshop dinner
  
  DinnerLHCXSWGAssembly.pdf
Friday 18 October
- Plenary: HH 503/1-001 - Council Chamber
  
  503/1-001 - Council Chamber
  
  CERN
  
  162
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  - 50
    
    Introduction
    
    Speaker: Luca Cadamuro (University of Florida (US))
    
    HH_intro_HXSWG_workshop.pdf
  - 51
    
    Review of HH cross section computations and uncertainties
    
    Speaker: Javier Mazzitelli
    
    hh_xs_mazzitelli.pdf
  - 52
    
    Experimental overview of HH at the LHC
    
    Speaker: Arnaud Ferrari (Uppsala University (SE))
    
    LHCHXSWG-HH-experimental.pdf
  - 53
    
    Beyond SM HH
    
    Speakers: Milada Margarete Mühlleitner, Ramona Groeber (HU Berlin)
    
    HHBSM_MM_2.pdf
- 11:00
  
  Coffee 503/1-001 - Council Chamber
  
  503/1-001 - Council Chamber
  
  CERN
  
  162
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- Plenary: Summary 503/1-001 - Council Chamber
  
  503/1-001 - Council Chamber
  
  CERN
  
  162
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  - 54
    
    WG1 discussion summary
    
    WG1 parallel session summary.pdf
  - 55
    
    WG2 discussion summary
    
    2019-10-18_LHCHXSWG_WG2Summary.pdf
  - 56
    
    WG3 discussion summary
    
    WG3_summary.pdf
  - 57
    
    HH discussion summary
    
    HH_parallel_discussion_summary_HXSWG_workshop.pdf
- 13:30
  
  Lunch 503/1-001 - Council Chamber
  
  503/1-001 - Council Chamber
  
  CERN
  
  162
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- Plenary: Summary 503/1-001 - Council Chamber
  
  503/1-001 - Council Chamber
  
  CERN
  
  162
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  - 58
    
    Theory developments and uncertainty projections for future Higgs measurements
    
    Speaker: Dr Pier Monni (CERN)
    
    Higgs_WG_2019.pdf
  - 59
    
    EW/Higgs physics at Future Colliders: Studies for the Update of the European Strategy for Particle Physics
    
    Speaker: Jorge de Blas (Universita e INFN, Padova (IT))
    
    Summary_EW_Higgs_deBlas.pdf
  - 60
    
    BSM Higgs at HL-LHC and Future Colliders
    
    Speaker: Zhen Liu
    
    HiggsOpportunities_ZhenLiu_LHCHXSWG2019_new.pdf
  - 61
    
    Closing
    
    Closure.pdf

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

503/1-001 - Council Chamber

CERN

503/1-001 - Council Chamber

CERN

503/1-001 - Council Chamber

CERN

503/1-001 - Council Chamber

CERN

503/1-001 - Council Chamber

CERN

503/1-001 - Council Chamber

CERN

503/1-001 - Council Chamber

CERN

503/1-001 - Council Chamber

CERN

503/1-001 - Council Chamber

CERN

503/1-001 - Council Chamber

CERN

40/S2-B01 - Salle Bohr

CERN

42/3-032

CERN

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

CERN

42/3-032

CERN

40/S2-B01 - Salle Bohr

CERN

40/S2-B01 - Salle Bohr

CERN

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

CERN

503/1-001 - Council Chamber

CERN

503/1-001 - Council Chamber

CERN

503/1-001 - Council Chamber

CERN

503/1-001 - Council Chamber

CERN

503/1-001 - Council Chamber

CERN