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COMETA workshop on EFT in HH and VBS

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Paris

Paris

LPNHE, Paris, France
Ilaria Brivio (University & INFN Bologna), Joany Manjarres (Laboratoire des 2 Infinis - Toulouse, CNRS / Univ. Paul Sabatier (FR)), Luca Cadamuro (IJCLab - CNRS/IN2P3 - Université Paris-Saclay (FR)), Reina Coromoto Camacho Toro (LPNHE-Paris CNRS/IN2P3), Thomas Strebler (CPPM, Aix-Marseille Université, CNRS/IN2P3 (FR))
Description

The workshop aims to bring together theorists and experimentalists interested in effective field theory (EFT) interpretations of di-Higgs (HH) and vector boson scattering (VBS) analyses for the LHC Run 3. Discussions will focus on the synergy between VBS and HH measurements, and how their combination can tighten constraints on EFT operators. The workshop will span three days, with two days of joint plenary theory-experiment sessions followed by a day of parallel internal experiment-theory discussions.

This year's conference is organised jointly by LPNHE, CPPM-Marseille, IJClab and L2IT-Toulouse and hosted by LPNHE on the Paris Sorbonne Campus, France. 

The workshop is co-organized by the COMETA COST Action CA22130

 

Program committee members:

  • Nicolas Berger (LAPP, CNRS)

  • Ilaria Brivio (Unibo)

  • Luca Cadamuro (IJCLab, CNRS)
  • Reina Camacho Toro (LPNHE, CNRS)

  • Alessandra Cappati (UCLouvain)

  • Pietro Govoni (INFN, University of Milano)

  • Ramona Groeber (Padua, INFN)
  • Robert Les (Michigan)
  • Joany Manjarres (L2IT, Université de Toulouse-CNRS)

  • Matteo Presilla (KIT, Karlsruhe, Dept. Phys.)

  • Thomas Strebler (CPPM, CNRS)

 

Big thanks to Carla Carvalhais, Isabelle Cossin and Aurélie Boian for their local support as well.

Registration
COMETA workshop on EFT in HH and VBS
Register
COMETA workshop on EFT in HH and VBS
Zoom Meeting ID
67562206886
Host
Reina Coromoto Camacho Toro
Passcode
78213445
Useful links
Join via phone
Zoom URL
  • Monday 17 March
    • 1
      Workshop introduction
    • EFT Review : theory and experimental landscape
      • 2
        VBS and HH theory review
        Speaker: Alejo Nahuel Rossia (University of Padua and INFN Sezione di Padova)
      • 3
        VBS experimental review
        Speakers: Despoina Sampsonidou (University of Oregon (US)), Giacomo Boldrini (Centre National de la Recherche Scientifique (FR))
      • 4
        HH experimental review
        Speakers: Angela Taliercio (Northwestern University (US)), Laura Pereira Sanchez (SLAC National Accelerator Laboratory (US))
    • 16:00
      Coffee break
    • EFT Review : theory and experimental landscape
      • 5
        Discussion
    • Early career scientists presentations
    • 19:00
      Welcome reception
  • Tuesday 18 March
    • 09:00
      Morning coffee
    • Modelling of EFT effects
      • 6
        Review of VBS EFT MC modelling in ATLAS and CMS
        Speakers: Costanza Carrivale (INFN - National Institute for Nuclear Physics), Costanza Carrivale (Universita e INFN, Perugia (IT)), Nicolas Morange (Université Paris-Saclay (FR))
      • 7
        Review of HH EFT MC modelling in ATLAS and CMS
        Speakers: Jona Motta (University of Zurich (CH)), Tom Ingebretsen Carlson (Stockholm University (SE))
      • 8
        ML for reweighting
      • 9
        Pheno and theory overview : HH and VBS interplay, available tools
        Speaker: Gudrun Heinrich (KIT)
      • 10
        Discussion
    • 12:30
      Lunch break
    • Publishing and exploiting the results
      • 11
        Publishing experimental results
        Speakers: Adinda de Wit (LLR / CNRS (FR)), Ken Mimasu
      • 12
        Discussion
    • 16:00
      Coffee break
    • Early career scientists presentations
  • Wednesday 19 March
    • ATLAS internal discussion
      ATLAS private discussion agenda
    • CMS internal discussion
    • Theory parallel discussion
      • 13
        RGE effects in SMEFT predictions for HH production
        Speaker: Stefano Di Noi (Università di Padova and INFN, Sezione di Padova)
      • 14
        The Art of Counting: where to cut-off SMEFT and HEFT in Higgs Pair Production
        Speaker: Konstantin Schmid (University and INFN Padova)
      • 15
        HHH and HH production as probes of the Higgs self-couplings
        Speaker: Panagiotis Stylianou
      • 16
        Triple and double VBF-Higgs production as probes of SMEFT/HEFT interactions
        Speaker: Anisha . (Karlsruhe Institute of Technology)
    • 12:30
      Lunch break
    • ATLAS internal discussion
      ATLAS private discussion agenda
    • CMS internal discussion
    • Theory parallel discussion
      • 17
        SMEFT effects and CP violation in diboson production via gluon-fusion
        Speaker: Marion Thomas
      • 18
        VBS constraints on Higgs interactions in HEFT [TBC]
        Speaker: Domenec Espriu Climent (University of Barcelona (ES))
      • 19
        TBC
      • 20
        Double Higgs production via VBF NLO in SMEFT

        The process of double Higgs boson production via vector boson fusion (VBF), although strongly suppressed compared to the gluon fusion channel, remains an important area of study. Not only can it provide valuable insights into the EW sector and the mechanism of EWSB, but it is also highly sensitive to BSM physics. In this talk, we explore the impact of dimension-6 and dimension-8 SMEFT operators on VBF double Higgs production. We estimate and present the maximal effects, taking into account available constraints on SMEFT Wilson coefficients from fits to experimental data, perturbative unitarity constraints and the validity of the EFT expansion.

        Speaker: Michal Ryczkowski (Università di Padova and INFN, Sezione di Padova)
    • 16:30
      Coffee break
    • Final discussion
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