After the Discovery: Hunting for a Non-Standard Higgs Sector

Europe/Zurich
Centro de Ciencias de Benasque Pedro Pascual

Centro de Ciencias de Benasque Pedro Pascual

Av. Francia 17 Benasque 22440 Spain
Aurelio Juste Rozas (Universitat Autònoma de Barcelona (ES)) , Christophe Grojean (ICREA - Institucio catalana de recerca estudis avancats (ES)) , Filip Moortgat (CERN) , Ian Low (Northwestern University)
Description
The discovery of a Higgs particle by the LHC experiments has launched the exploration of electroweak symmetry breaking and potentially opened a window into beyond- Standard Model physics such as an extended Higgs sector, anomalous Higgs boson production mechanisms, or rare Higgs boson decay modes. Such discoveries would represent a smoking gun for an extended Higgs sector, and could have long-reaching implications on our understanding on how Nature works at its most fundamental level, including connections with dark matter and other cosmological problems. This represents an exciting and broad research program, complementary to precise measurements of Higgs boson couplings at the LHC and future e+/e- and/or pp colliders. The primary goal of this workshop is to bring together experts from the theoretical and experimental communities for a joint brainstorming on the status of this research, identify areas for improvements, as well as set new promising directions, ahead of the start of the LHC run at 13/14 TeV. The topics that will be covered include: - Higgs coupling measurements status/prospects (LHC and future e+/e- and/or pp colliders) and interplay with searches for a BSM Higgs sector - searches for anomalous Higgs production mechanisms (top partners, SUSY decay chains, di-Higgs, etc) - rare Higgs decays (invisible, SUSY particles, long-lived particles, etc) - direct searches for low mass (pseudo-)scalars (nMSSM, etc) - direct searches for heavy Higgs bosons (2HDM, doubly-charged, etc) - probing CP violation in the Higgs sector - role of precision physics in constraining a BSM Higgs sector (EW observables, heavy-flavor measurements, intensity frontier) - Effective Field Theory for a BSM Higgs sector - application of advanced experimental tools to BSM Higgs searches (jet substructure, jet charge, color flow, matrix-element method, etc) - connections of a BSM Higgs sector with dark matter and other cosmological problems The workshop will take place at the Centro de Ciencias de Benasque Pedro Pascual, located in Benasque (Spain), between April 6 and April 18, 2014. Benasque is a beautiful village with a famous ski resort, located in the heart of the Pyrenees, close to the Spanish border with France. In addition to the auditorium, the Center offers desk space, ubiquitous black boards and several meeting areas. To ensure a productive workshop, attendance will be limited to a maximum of 70 participants. In addition, the meeting agenda will be kept light, leaving plenty of time for discussion among participants, in the spirit of the Les Houches workshops.
Bulletins
    • 09:15 09:30
      Welcome and Introduction 15m
    • 09:30 11:00
      Overview talks
      • 09:30
        Higgs coupling measurements status/prospects and interplay with searches for BSM Higgs sector (experiment) 30m
        Speaker: Markus Klute (Massachusetts Inst. of Technology (US))
        Slides
      • 10:15
        Higgs coupling measurements status/prospects and interplay with searches for BSM Higgs sector (theory) 30m
        Speaker: Gero Von Gersdorff (ICTP-SAIFR)
        Slides
    • 11:00 11:30
      Coffee Break 30m
    • 11:30 13:00
      Discussion time
    • 13:00 15:00
      Lunch Break 2h
    • 15:00 16:30
      Overview talks
      • 15:00
        Effective Field Theory for BSM Higgs sector 30m
        Speaker: Alex Pomarol (Universidad de Barcelona)
        Slides
      • 15:45
        BSM Primary Effects 30m
        Speaker: Francesco Riva (EPFL)
        Slides
    • 16:30 17:00
      Coffee Break 30m
    • 18:30 20:00
      Welcome reception 1h 30m
    • 09:30 11:00
      Overview talks
      • 09:30
        Searches for heavy Higgs bosons (theory) 30m
        Speaker: Nathaniel Craig (Rutgers University)
        Slides
      • 10:15
        Searches for heavy Higgs bosons (experiment) 30m
        Speaker: Adrian Perieanu (Rheinisch-Westfaelische Tech. Hoch. (DE))
        Slides
    • 11:00 11:30
      Coffee Break 30m
    • 11:30 13:00
      Discussion time
    • 13:00 15:00
      Lunch Break 2h
    • 15:00 16:30
      Overview talks
      • 15:00
        Searches for rare Higgs decays (theory) 30m
        Speaker: Tao LIU (Hong Kong University of Science and Technology)
        Slides
      • 15:45
        Searches for rare Higgs decays (experiment) 30m
        Speaker: Guillelmo Gomez Ceballos Retuerto (Massachusetts Inst. of Technology (US))
        Slides
    • 16:30 17:00
      Coffee Break 30m
    • 09:30 11:00
      Overview talks
      • 09:30
        Searches for anomalous Higgs production mechanisms (theory) 30m
        Speaker: Giuliano Panico (CERN)
        Slides
      • 10:15
        Searches for anomalous Higgs production mechanisms (experiment) 30m
        Speaker: Benjamin Henry Hooberman (Fermi National Accelerator Lab. (US))
        Slides
    • 11:00 11:30
      Coffee Break 30m
    • 11:30 13:00
      Discussion time
      • 11:30
        Higgs width measurement at the LHC 30m
        Speaker: Nicola De Filippis (Universita e INFN (IT))
        Extra material
        Slides
    • 13:00 15:00
      Lunch Break 2h
    • 15:00 16:30
      Overview talks
      • 15:00
        Application of advanced experimental tools to BSM Higgs searches (theory) 30m
        Speaker: Michael Spannowsky (Durham)
        Slides
      • 15:45
        Application of advanced experimental tools to BSM Higgs searches (experiment) 30m
        Speaker: Andrew Haas (New York University)
        Slides
    • 16:30 17:00
      Coffee Break 30m
    • 09:30 11:00
      Overview talks
      • 09:30
        Role of precision physics in constraining a BSM Higgs sector 30m
        Speaker: Stefania Gori (Perimeter Institute)
        Slides
      • 10:15
        Probing CP violation in the Higgs sector 30m
        Speaker: Cedric Delaunay (LAPTh, Annecy)
        Slides
    • 11:00 11:30
      Coffee Break 30m
    • 11:30 13:00
      Discussion time
    • 13:00 15:00
      Lunch Break 2h
    • 15:00 16:30
      Overview talks
      • 15:00
        Searches for low-mass (pseudo-)scalars (theory) 30m
        Speaker: Jack Gunion (University of California Davis (US))
        Slides
      • 15:45
        Searches for light CP-odd Higgs bosons and dark photons at Babar 30m
        Speaker: Bertrand Echenard (California Institute of Technology (US))
        Slides
    • 16:30 17:00
      Coffee Break 30m
    • 17:00 18:00
      Overview talks
      • 17:00
        Searches for low-mass (pseudo-)scalars at the LHC 30m
        Speaker: Susan Shotkin Gascon-Shotkin (Universite Claude Bernard-Lyon I (FR))
        Slides
    • 10:00 11:00
      Overview talks
      • 10:00
        The Case Against Higgs Inflation 20m
        Speaker: Jose Ramon Espinosa Sedano (ICREA/IFAE)
      • 10:30
        Higgs portal dark matter and the connection to the invisible width 20m
        Speaker: Adam Falkowski (Universite de Paris-Sud 11 (FR))
        Slides
    • 11:00 11:30
      Coffee Break 30m
    • 11:30 13:00
      Discussion time
    • 13:00 15:00
      Lunch Break 2h
    • 15:00 16:30
      Informal talks
      • 15:00
        Status and prospects for ttH searches at the LHC 20m
        Speaker: Aurelio Juste Rozas (Universitat Autònoma de Barcelona (ES))
        Slides
      • 15:30
        CMS searches for Higgs boson production in association with a single top quark 20m
        Speaker: Andrey Popov (Universite Catholique de Louvain (UCL) (BE))
        Slides
    • 16:30 17:00
      Coffee Break 30m
    • 09:30 11:00
      Discussion session

      Informal discussion among participants

    • 15:00 17:00
      Discussion session

      Informal discussion among participants

    • 09:30 11:00
      Discussion session

      Informal discussion among participants

    • 15:00 17:00
      Discussion session

      Informal discussion among participants

    • 10:00 11:00
      Informal talks
      • 10:00
        Prospects for precision Higgs physics at CLIC 30m
        Speaker: Dr. Philipp Roloff (CERN)
        Slides
      • 10:40
        Have we really discovered a SM-like Higgs boson? 20m
        Speaker: Seung Lee (KAIST)
        Slides
    • 11:00 11:30
      Coffee Break 30m
    • 13:00 15:00
      Lunch Break 2h
    • 15:00 17:00
      Informal talks
      • 15:00
        The Higgs->Zll spectrum at low dilepton invariant mass: SM vs. light new physics 20m
        Speaker: Martin Gonzalez-Alonso (Universidad de Valencia)
        Slides
      • 15:30
        Probing the CP Nature of the Higgs Couplings to Photons in the Golden Channel at the LHC 20m
        Speaker: Roberto Vega-Morales (Northwestern University)
        Slides
      • 16:00
        The role of interference effects in unraveling anomalous HZZ couplings 20m
        Speaker: Predrag Milenovic (University of Florida (US))
    • 17:00 17:30
      Coffee Break 30m
    • 10:00 11:00
      Informal talks
      • 10:00
        Disentangling a dynamical Higgs 20m
        Speaker: Luca Merlo (UA Madrid)
        Slides
      • 10:30
        Exotic Higgs decay to monophoton+MET 20m
        Speaker: Christoffer Petersson (Brussels)
        Slides
    • 11:00 11:30
      Coffee Break 30m
    • 13:00 15:00
      Lunch Break 2h
    • 15:00 17:00
      Informal talks
      • 15:00
        Global analysis of Higgs signal strength data 20m
        Speaker: Pyungwon Ko (KIAS)
        Slides
      • 15:30
        Vector-like fermions: Higgs observables and LHC signatures 20m
        Speaker: Shrihari Gopalakrishna (IMSc, Chennai))
        Slides
      • 16:00
        On the presentation of LHC results 20m
        Speaker: Jose Santiago (Granada University)
        Slides
    • 17:00 17:30
      Coffee Break 30m
    • 10:00 11:00
      Informal talks
      • 10:00
        Observables in Higgsed Theories 20m
        Speaker: Axel Maas (University of Jena)
        Slides
      • 10:30
        Boosted di-Higgs from heavy top squarks 20m
        Speaker: Diptimoy Ghosh (INFN Rome)
        Slides
    • 11:00 11:30
      Coffee Break 30m
    • 13:00 15:00
      Lunch Break 2h
    • 15:00 17:00
      Informal talks
      • 15:00
        Update on Higgs singlet extension 20m
        Speaker: Tania Robens (TU Dresden)
        Slides
      • 15:30
        Update on Higgs in the pMSSM 20m
        Speaker: Thomas Rizzo (SLAC)
        Slides
      • 16:00
        Charge and color breaking minima in MSSM 20m
        Speaker: Debtosh Chowdhury (INFN Rome)
        Slides
    • 17:00 17:30
      Coffee Break 30m
    • 10:00 11:00
      Informal talks
      • 10:00
        Probing Higgs couplings with high pT Higgs production 20m
        Speaker: Aleksandr Azatov (CERN)
        Slides
      • 10:30
        Heavy Vector Triplets: Bridging Theory and Data 20m
        Speaker: Andrea Thamm (Ecole Polytechnique Federale de Lausanne (CH))
        Slides
    • 11:00 11:30
      Coffee Break 30m
    • 13:00 15:00
      Lunch Break 2h
    • 15:00 17:00
      Informal talks
      • 15:00
        Universal sum rules for effective field theories 20m
        Speaker: Riccardo Torre (Padova)
        Slides
      • 15:30
        Effective theory approach to Higgs analyses 20m
        Speaker: Veronica Sanz (University of Sussex)
        Slides
      • 16:00
        News on HVV and/or Htt 20m
        Speaker: Rohini Godbole (Centre for Theoretical Studies (CTS))
        Slides
    • 17:00 17:30
      Coffee Break 30m
    • 18:00 19:00
      Farewell drink 1h
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