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Higgs Hunting 2024

→ Europe/Paris
200/0-Auditorium - Auditorium P. Lehmann (IJCLab)

200/0-Auditorium - Auditorium P. Lehmann

IJCLab

IJCLab Orsay (Monday) & APC Paris (Tuesday & Wednesday)
236
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Description

The origin of Electroweak symmetry breaking is one of the central topics of research in fundamental physics. The discovery of a Higgs boson at CERN on July 4th, 2012, following a hunt that spanned several decades and multiple colliders, changed the landscape of these investigations and provided key evidence for the Brout-Englert-Higgs mechanism of mass generation through the spontaneous breaking of Electroweak symmetry.

More than ten years later, the hunt goes on several fronts, in particular for:

  • New physics through precision studies of the properties of the Higgs boson : in particular its mass, spin and couplings to other Standard Model particles.
  • New production and decay modes, in particular in processes involving multiple Higgs bosons which provide key insight into the shape of the Higgs potential.
  • New Higgs-like states and signals for physics beyond the Standard Model.

The 14th workshop of the « Higgs Hunting » series organized on September 23-25 2024 will present an overview of these topics, focusing in particular on new developments in the LHC Run-2 analyses, detailed studies of Higgs boson properties and possible deviations from Standard Model predictions. Highlights will also include a first look at LHC Run-3 analyses, prospects from studies at future colliders, and recent theoretical developments.

The workshop will be held in person in Orsay, for the first day, and Paris, for the two following days, to continue the Higgs Hunting tradition of lively discussions during and after the sessions. Remote participation will also be made possible for those unable to attend in person. No registration fees are asked for remote participation.

Zoom link:  https://ijclab.zoom.us/j/94890955802 

Robert Aymar passed away on September 23 rd 2024. The Higgs Hunting Community would like to pay tribute to a visionary leader whose impact on high-energy physics has been profound. As CERN's Director-General from 2004 to 2008, he oversaw the final stages of the Large Hadron Collider (LHC) construction, a monumental project that paved the way for the discovery of the higgs boson in 2012. His dedication to advancing science, fostering international collaboration, and pushing the boundaries of human knoledge will continue to inspire generations of physicists.

We honor his memory and his contributions to our field and express our deepest condolences to his family.

Peter Higgs passed away on April 8th 2024. In the 1960s, Peter Higgs, and others, proposed that spontaneous symmetry breaking could provide masses for the mediators of the weak interactions, the W and Z bosons. One major prediction of this idea is the existence of a new particle, now called the Higgs boson, which was finally discovered at CERN in 2012. We now know that the Higgs field is most probably at the origin of the masses of all elementary particles. The three papers written by Peter Higgs between 1964 and 1966 are part of the foundations of the Standard Model and among the most influential ones in particle physics and beyond.

The Higgs Hunting workshop, which owes its name to Peter Higgs, expresses its deepest condolences to his family.

Ulrich EllwangerUlrich Ellwanger passed away on August 7th 2024. He was emeritus professor at Paris-Saclay , a frequent
participant to the Higgs Hunting workshop , and one of the best experts of extensions of the Higgs sector, 
in particular the NMSSM.

The Higgs Hunting workshop expresses its deepest condolences to his family.

Registration deadline: September 2nd, 2024

 

Gustave_Caillebotte_parapluies_HH2024_V8_4K.jpg
Zoom link
Valérie Brouillard, Emilie Bonnardel et Vincent Jourdain
Registration
Registration
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  • Mon, September 23
    • 9:00 AM → 9:55 AM
      Registration (with coffee and croissants) 55m 200/0-Auditorium - Auditorium P. Lehmann

      200/0-Auditorium - Auditorium P. Lehmann

      IJCLab

      IJCLab Orsay (Monday) & APC Paris (Tuesday & Wednesday)
      236
      Show room on map
    • 9:55 AM → 10:00 AM
      Prelude by the organizers 5m 200/0-Auditorium - Auditorium P. Lehmann

      200/0-Auditorium - Auditorium P. Lehmann

      IJCLab

      IJCLab Orsay (Monday) & APC Paris (Tuesday & Wednesday)
      236
      Show room on map
      Higgs Hunting 2024 Organisers intro.pdf
    • 10:00 AM → 10:45 AM
      Plenary: Theory overview 200/0-Auditorium - Auditorium P. Lehmann

      200/0-Auditorium - Auditorium P. Lehmann

      IJCLab

      IJCLab Orsay (Monday) & APC Paris (Tuesday & Wednesday)
      236
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      Convener: Giovanni Petrucciani (CERN)
    • 10:45 AM → 12:30 PM
      Plenary: General combinations (Mass, width, CP + couplings) 200/0-Auditorium - Auditorium P. Lehmann

      200/0-Auditorium - Auditorium P. Lehmann

      IJCLab

      236
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      Convener: Giovanni Petrucciani (CERN)
    • 12:30 PM → 2:00 PM
      Lunch 1h 30m Bures cafeteria (Orsay)

      Bures cafeteria

      Orsay
    • 2:00 PM → 3:00 PM
      Topical talks: Part 1 200/0-Auditorium - Auditorium P. Lehmann

      200/0-Auditorium - Auditorium P. Lehmann

      IJCLab

      IJCLab Orsay (Monday) & APC Paris (Tuesday & Wednesday)
      236
      Show room on map
      Convener: Valentina Cairo (CERN)
      • 2:00 PM
        Interference effects in gg → H → Zγ beyond leading order 15m
        Speaker: Federico Buccioni (Tech, Univ. Munich)
        buccioni_higgshunting.pdf
        Recording
      • 2:15 PM
        Higgs boson fiducial XS at √s=13.6 TeV with the CMS detector 12m
        Speaker: Nico Harringer (ETH Zürich)
        HH24.pdf
      • 2:27 PM
        Improvements in the measurement of VBF and ttH production with H->𝛕𝛕 in ATLAS 12m
        Speaker: Enrique Valiente Moreno (Univ. of Valencia and CSIC)
        Moreno_HiggsHunting2024.pdf
        Recording
      • 2:39 PM
        Higgs photoproduction 12m
        Speaker: Laboni Manna (Warsaw University of Technology)
        higgs_hunting_LM.pdf
        Recording
    • 3:00 PM → 4:25 PM
      Plenary: Higgs Self Coupling 200/0-Auditorium - Auditorium P. Lehmann

      200/0-Auditorium - Auditorium P. Lehmann

      IJCLab

      236
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      Convener: Valentina Cairo (CERN)
      • 3:00 PM
        Di-Higgs production and the Higgs self-coupling: Theory Introduction 20m
        Speaker: Ramona Groeber (Università and INFN Padova)
        HiggsHunting_ramona.pdf
        Recording
      • 3:20 PM
        Higgs Self Coupling - CMS 15m
        Speaker: Agni Bethani (Univ. Catholique de Louvain)
        HiggsHunting2024_Agni.pdf
        Recording
      • 3:35 PM
        Higgs Self Coupling - ATLAS 15m
        Speaker: Zhijun Liang (Chinese Academy of Sciences)
        ATLAS-Di-higgsv12.pdf
        Recording
      • 3:50 PM
        3 transparencies of comparison 5m
        Speaker: Valentina Cairo (CERN)
        Cairo.pdf
        Recording
      • 3:55 PM
        Discussion including prospects for ATLAS+CMS combinations 30m
    • 4:25 PM → 4:55 PM
      Coffee break 30m 200/0-Auditorium - Auditorium P. Lehmann

      200/0-Auditorium - Auditorium P. Lehmann

      IJCLab

      IJCLab Orsay (Monday) & APC Paris (Tuesday & Wednesday)
      236
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    • 4:55 PM → 5:25 PM
      Plenary: The Higgs Boson and Cosmology 200/0-Auditorium - Auditorium P. Lehmann

      200/0-Auditorium - Auditorium P. Lehmann

      IJCLab

      IJCLab Orsay (Monday) & APC Paris (Tuesday & Wednesday)
      236
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      Convener: Tatsuya Masubuchi (Osaka/Tokyo)
    • 5:25 PM → 6:05 PM
      Topical talks: Part 2 200/0-Auditorium - Auditorium P. Lehmann

      200/0-Auditorium - Auditorium P. Lehmann

      IJCLab

      IJCLab Orsay (Monday) & APC Paris (Tuesday & Wednesday)
      236
      Show room on map
      Convener: Tatsuya Masubuchi (Osaka/Tokyo)
    • 6:05 PM → 7:30 PM
      Historical talks 200/0-Auditorium - Auditorium P. Lehmann

      200/0-Auditorium - Auditorium P. Lehmann

      IJCLab

      IJCLab Orsay (Monday) & APC Paris (Tuesday & Wednesday)
      236
      Show room on map
      Convener: Tatsuya Masubuchi (Osaka/Tokyo)
    • 7:30 PM → 9:00 PM
      Welcome drink 1h 30m 200/0-Auditorium - Auditorium P. Lehmann

      200/0-Auditorium - Auditorium P. Lehmann

      IJCLab

      IJCLab Orsay (Monday) & APC Paris (Tuesday & Wednesday)
      236
      Show room on map
  • Tue, September 24
    • 9:20 AM → 9:55 AM
      Coffee 35m APC Paris

      APC Paris
    • 9:55 AM → 10:00 AM
      Prelude by the organizers 5m APC Paris

      APC Paris
    • 10:00 AM → 12:05 PM
      Plenary: BSM and rare H(125) decays APC Paris

      APC Paris
      Convener: Sven Heinemeyer (IFT/IFCA (CSIC))
    • 12:05 PM → 1:35 PM
      Lunch buffet 1h 30m APC Paris

      APC Paris
    • 1:35 PM → 2:00 PM
      Plenary: CMS joker talk APC Paris

      APC Paris
      Convener: Djamel BOUMEDIENE (LPC CNRS/IN2P3)
      • 1:35 PM
        High-precision measurement of the W boson mass at CMS 25m
        Speaker: Andrew Gilbert (LLR / CNRS / École Polytechnique (FR))
        HH-WMass.pdf
        Recording
    • 2:00 PM → 3:00 PM
      Topical talks: Part 3 APC Paris

      APC Paris
      Convener: Djamel BOUMEDIENE (LPC CNRS/IN2P3)
      • 2:00 PM
        Search for a resonance decaying into a scalar particle and a Higgs boson in the final state with two bottom quarks and two photons in proton-proton at 13 TeV with the ATLAS detector 12m
        Speaker: Maxime Fernoux (CPPM, Aix-Marseille Université, CNRS/IN2P3)
        Recording
        X-SH-bbyy-Fernoux-Higgs-Hunting-2024.pdf
      • 2:12 PM
        Search for exotic decays of the Higgs Boson to a pair of pseudoscalars at CMS 12m
        Speaker: Lakshmi Pramod (DESY)
        Htoaa_HH2024.pdf
        Recording
      • 2:24 PM
        Boosted Higgs decays to b-quarks in ATLAS 12m
        Speaker: Marion Missio (Nikhef National institute for subatomic physics)
        Missio_BoostedVHbb_HiggsHunting24.pdf
        Recording
      • 2:36 PM
        Search for pseudoscalars and scalars decaying to top quark pairs with CMS Run 2 12m
        Speakers: Samuel Baxter (DESY), Samuel Baxter (Deutsches Elektronen-Synchrotron (DESY), CMS)
        Higgs_Hunting_Samuel_Baxter_v8.pdf
        Recording
    • 3:00 PM → 3:30 PM
      Plenary: Up and down the simulation chain with neural networks APC Paris

      APC Paris
      Convener: Djamel BOUMEDIENE (LPC CNRS/IN2P3)
      • 3:00 PM
        Up and down the simulation chain with neural networks 30m
        Speaker: Anja Butter (LPNHE Paris)
        Higgs_Hunting.pdf
        Recording
    • 3:30 PM → 3:55 PM
      Plenary: ATLAS joker talk APC Paris

      APC Paris
      Convener: Djamel BOUMEDIENE (LPC CNRS/IN2P3)
      • 3:30 PM
        Search for a light CP-odd Higgs boson decaying into a pair of leptonically decaying tau 25m
        Speakers: Manuel Gutsche (Technische Universität Dresden), Manuel Gutsche (TU Dresden)
        MGutsche_HiggsHunting2024.pdf
        Recording
    • 3:55 PM → 4:20 PM
      Coffee break 25m APC Paris

      APC Paris
    • 4:20 PM → 5:40 PM
      Plenary: Effective Field Theories APC Paris

      APC Paris
      Convener: Sandra Kortner (Max Planck Society (DE))
    • 5:40 PM → 6:07 PM
      Topical talks: Part 4 APC Paris

      APC Paris
      Convener: Sandra Kortner (Max Planck Society (DE))
    • 6:10 PM → 6:51 PM
      Plenary: Vision talk APC Paris

      APC Paris
      Convener: Sandra Kortner (Max Planck Society (DE))
    • 7:00 PM → 9:00 PM
      Dinner 2h

      La Dame de Canton, 5 Port de la Gare, 75013 Paris

  • Wed, September 25
    • 9:25 AM → 9:55 AM
      Coffee 30m APC Paris

      APC Paris
    • 9:55 AM → 10:00 AM
      Prelude by the organisers 5m APC Paris

      APC Paris
    • 10:00 AM → 1:10 PM
      Plenary: Higgs physics at HL-LHC APC Paris

      APC Paris
      Convener: Patricia McBride (Fermilab)
    • 1:10 PM → 2:30 PM
      Lunch buffet 1h 20m APC Paris

      APC Paris
    • 2:30 PM → 2:38 PM
      Prelude by the organisers 8m 200/0-Auditorium - Auditorium P. Lehmann

      200/0-Auditorium - Auditorium P. Lehmann

      IJCLab

      IJCLab Orsay (Monday) & APC Paris (Tuesday & Wednesday)
      236
      Show room on map
      HH 2024 In Memoriam Aymar.pdf
    • 2:38 PM → 3:20 PM
      Topical talks: Part 5 APC Paris

      APC Paris
      Convener: Rosy Nikolaidou (Université Paris-Saclay (FR))
    • 3:20 PM → 4:50 PM
      Plenary: Concluding talks APC Paris

      APC Paris
      Convener: Rosy Nikolaidou (Université Paris-Saclay (FR))
    • 4:50 PM → 5:50 PM
      Farewell coffee 1h APC Paris

      APC Paris
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