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    Blois 2026: 37th Rencontres de Blois on "Particle Physics and Cosmology"

    → Europe/Paris
    Gaston d'Orléans

    Gaston d'Orléans
    Christophe Grojean (DESY (Hamburg) and Humboldt University (Berlin)), Jacques Dumarchez (Centre National de la Recherche Scientifique (FR))
    Description

    This will be the 37th meeting in this series of annual international multidisciplinary meetings, created in 1989 by Jean Trân Than Vân and which has in the past covered many topics in physics, astronomy and biology. All sessions take place in the Château of Blois, a beautiful renaissance castle which has housed many French kings, and notably François 1st. The 37th Rencontres de Blois on "Particle Physics and Cosmology" (Blois2026) will emphasize the increasing interplay between high energy accelerator based physics and cosmology. The conference will consist of plenary sessions for invited in-depth oral presentations (review talks) and contributed papers, in the form of relatively short oral papers. We will aim to achieve a balance between review talks, provocative talks given by recognized specialists, and shorter contributions. Special emphasis is being placed on active participation by younger researchers and post-docs. Parallel sessions are foreseen, and are being organised as the need arises.

    Support
    • Sunday 10 May
      • Registration Secretariat

        Secretariat
      • Reception Chateau's Courtyard

        Chateau's Courtyard
      • Dinner Dinning Room @ Chateau

        Dinning Room @ Chateau
    • Monday 11 May
      • Opening Gaston d'Orléans

        Gaston d'Orléans
        Convener: Christophe Grojean (DESY (Hamburg) and Humboldt University (Berlin))
        Blois2026_Grojean.pdf
      • Coffee Break Margueritte de Valois, Ground Floor

        Margueritte de Valois, Ground Floor
      • Highlights Gaston d'Orléans

        Gaston d'Orléans
        Convener: Jacques Dumarchez (Centre National de la Recherche Scientifique (FR))
      • Lunch Dinning Room @ Chateau

        Dinning Room @ Chateau
      • Collider Physics Gaston d'Orléans

        Gaston d'Orléans
        Convener: Christophe Grojean (DESY (Hamburg) and Humboldt University (Berlin))
      • Conference Photograph Gaston d'Orléans

        Gaston d'Orléans
      • Coffee Break Gaston d'Orléans

        Gaston d'Orléans
      • Physics Beyond the Standard Model Gaston d'Orléans

        Gaston d'Orléans
        Convener: Christophe Grojean (DESY (Hamburg) and Humboldt University (Berlin))
        • 9
          CP violation
          Speaker: Isabelle Ripp-Baudot (Centre National de la Recherche Scientifique (FR))
          Blois_ripp_2026.pdf
        • 10
          Where is the QCD axion?
          Speaker: Maria Ramos
          Blois.pdf
      • Visit of the Chateau
      • Dinner Dinning Room @ Chateau

        Dinning Room @ Chateau
    • Tuesday 12 May
      • Collider Gaston d'Orléans

        Gaston d'Orléans
        Convener: Christophe Grojean (DESY (Hamburg) and Humboldt University (Berlin))
      • Coffee Break Margueritte de Valois Ground Floor

        Margueritte de Valois Ground Floor
      • DM Gaston d'Orléans

        Gaston d'Orléans
        Convener: Maria Ramos
        • 14
          Dark Matter Experimental Searches
          Speaker: Chiara Salemi (Stanford University and SLAC)
          14_Salemi.pdf
        • 15
          Light Dark Matter
          Speaker: Ryan Plestid (CERN)
          Blois.pdf
        • 16
          Axion DM
          Speaker: Keir Rogers
          Rogers.pdf
      • Lunch Dinning Room @ Chateau

        Dinning Room @ Chateau
      • Dark Matter and Astroparticles Gaston d'Orléans

        Gaston d'Orléans
        Convener: Ryan Plestid (CERN)
      • Coffee Break Gaston d'Orléans

        Gaston d'Orléans
      • Parallel Session Tuesday - Astroparticles Rotonde

        Rotonde
        Convener: Eric Armengaud
      • Parallel Session Tuesday - Collider: Standard Model Gaston d'Orléans

        Gaston d'Orléans
        Convener: Nicolas Pierre Chanon (Centre National de la Recherche Scientifique (FR))
        • 27
          Higgs boson production and decay rate measurements with the ATLAS experiment
          Speaker: Zirui Liu (Université Paris-Saclay (FR))
          Blois2026-Zirui-Liu-HiggsProdDec-vFinal.pdf
        • 28
          Study of spin correlations in Higgs boson decays to four leptons at CMS
          Speaker: Leyun Gao (Peking University (CN))
          report.pdf
        • 29
          Higgs properties (mass, width, CP) and EFT measurements from ATLAS
          Speaker: Yi Yu (University of Science and Technology of China (CN))
          20260512_Yi_Higgs_Properties_Interpretation.pdf
        • 30
          Search for the rare Higgs boson decay H → Zγ in proton-proton collisions at center-of-mass energies of 13 and 13.6 TeV
          Speaker: Anders Gytis Barzdukas (Univ. of California Santa Barbara (US))
          051226_CMS_HToZGamma_AndersBarzdukas.pdf
        • 31
          Prospects for single- and di-Higgs measurements at the HL-LHC with the ATLAS experiment
          Speaker: Weitao Wang (University of Oxford (GB))
          Weitao_Blois2026_ProspectsH.pdf
        • 32
          HH, HHH searches, Higgs potential in ATLAS
          Speaker: Roshan Joshi (Ohio State University (US))
          Blois_talk_Roshan.pdf
        • 33
          Recent measurements with single W bosons with the CMS experiment
          Speaker: Ruben Forti (Universita & INFN Pisa (IT))
          Single_W_in_CMS_RF.pdf
        • 34
          Multiboson measurements at ATLAS
          Speaker: Rainer Stamen (Heidelberg University (DE))
          2026_Blois_Stamen.pdf
        • 35
          Search for ZZ vector boson scattering in the llvv final state at 13 TeV
          Speaker: Hong Gao (Beihang University (CN))
          HongGao-ZZ2l2nu-VBS-Blois2026.pdf
      • Parallel Session Tuesday - Dark Matter Le Sueur

        Le Sueur
        Convener: Keir Rogers
      • Dinner Dinning Room @ Chateau

        Dinning Room @ Chateau
    • Wednesday 13 May
      • Excursion to Clos Lucé (last home of Leonardo Da Vinci)
        BusPlan.pdf
      • Lunch Dinning Room @ Chateau

        Dinning Room @ Chateau
      • Flavour Gaston d'Orléans

        Gaston d'Orléans
        Convener: Benjamin Stefanek (IFIC Valencia)
        • 44
          Rare decays
          Speaker: Yasmine Sara Amhis (IJCLab)
          Blois-2026-Yasmine.pdf
        • 45
          Theoretical perspectives on Flavour
          Speaker: Robert Fleischer (Vrije Universiteit Amsterdam)
          2_Fleischer.pdf
      • Coffee Break Marguerite de Valois Ground Floor

        Marguerite de Valois Ground Floor
      • Parallel Session Wednesday - Collider: BSM Salle Le Sueur

        Salle Le Sueur
        Convener: Guilherme Guedes
        • 46
          Beyond the Standard Model in the Higgs sector at ATLAS
          Speaker: Liron Barak (Tel Aviv University)
          ATLASSearchesHLB.pdf
        • 47
          Enhanced di-Higgs production from TeV-scale HNL at future lepton colliders
          Speaker: Emanuelle Pinsard
          Blois_Pinsard_diHiggs.pdf
        • 48
          Searches for strong production of supersymmetric particles at ATLAS
          Speaker: Francesco Giuseppe Gravili (INFN Lecce e Universita del Salento (IT))
          SUSYStrong_ATLAS.pdf
        • 49
          Searches for vector-like fermions and leptoquarks with the ATLAS detector
          Speaker: Hassane Hamdaoui (Uppsala University (SE))
          H.Hamdaoui_BLOIS2026.pdf
        • 50
          Searches for Exotic Heavy Resonances with the ATLAS detector
          Speaker: Laura Pintucci (Universita degli Studi di Udine (IT))
          SearchHeavyResonances_LauraPintucci_Blois26-v1.pdf
        • 51
          Searches for BSM physics using challenging and long-lived signatures with the ATLAS detector
          Speaker: Emily Rose Duden (Brandeis University (US))
          LLPSignaturesBlois2026.pdf
        • 52
          BSM Searches at FASER
          Speaker: Pawan Pawan (University of Liverpool (GB))
          BSMSearchesAtFASER_Blois_Pawan.pdf
        • 53
          Tailored PDFs for new physics searches
          Speaker: Elie Hammou (Nikhef National institute for subatomic physics (NL))
          Blois2026_Hammou.pdf
      • Parallel Session Wednesday - Flavour Rotonde

        Rotonde
        Convener: Robert Fleischer (Vrije Universiteit Amsterdam)
      • Parallel Session Wednesday - Neutrinos Gaston d'Orléans

        Gaston d'Orléans
        Convener: Eligio Lisi
        • 60
          Muon track reconstruction in JUNO
          Speaker: Thomas Raymond
          20260513__RAYMOND_Thomas__Blois_2026.pdf
        • 61
          Latest results from the CUORE experiment
          Speaker: Anastasiia Shaikina
          Shaikina_Blois.pdf
        • 62
          The search for neutrinoless double beta decay with the LEGEND-200 experiment
          Speaker: Rosanna Deckert (Technical University of Munich (TUM))
          Blois26_ LEGEND-200.pdf
        • 63
          LEGEND-1000: Toward a tonne-scale 76Ge search for Neutrinoless Double-Beta Decay
          Speaker: Francesco Borra
          2026-05-13-Borra-Blois26-Blois.pdf
        • 64
          CUPID, the next-generation 0νββ bolometric experiment
          Speaker: Léonard Imbert
          CUPID_Blois_2026-1.pdf
        • 65
          The KM3NeT neutrino telescope: status and latest results
          Speaker: Massimo Mastrodicasa (Università degli Studi di Roma "La Sapienza" and INFN-Roma1)
          Talk_Blois2026_KM3NeT_Mastrodicasa.pdf
        • 66
          Combined KM3NeT/ARCA and ANTARES search for compact neutrino sources
          Speaker: Vladimir Kulikovskiy (INFN Genova)
          Talk_Blois2026_VKulikovskiy_ANTARCA_v1.6.pdf
        • 67
          Event Reconstruction in the WaterCherenkov Test Experiment using Graph Neural Networks from the CAVERNS Framework
          Speaker: Quoc Viet Nguyen (Laboratoire Leprince-Ringuet (LLR), CNRS, Ecole Polytechnique, France)
          Viet_Blois_2026_v5.pdf
        • 68
          A bottom-up approach to a minimal EFT for leptogenesis, dark matter, and neutrino masses
          Speaker: Peter Matak (Comenius University (SK))
          Peter_Matak.pdf
      • Dinner Dinning Room @ Chateau

        Dinning Room @ Chateau
    • Thursday 14 May
      • Collider 2 Gaston d'Orléans

        Gaston d'Orléans
        Convener: Rene Poncelet (IFJ PAN Krakow)
      • Coffee Break Gaston d'Orléans

        Gaston d'Orléans
      • Neutrinos Gaston d'Orléans

        Gaston d'Orléans
        Convener: Sotiris Loucatos (Université Paris-Saclay (FR) and APC)
      • Lunch Dinning Room @ Chateau

        Dinning Room @ Chateau
      • Neutrino/AstroParticle Gaston d'Orléans

        Gaston d'Orléans
        Convener: Bryce Cyr
        • 75
          Highlights: LHAASO TeV to PeV Gamma-Ray Measurements
          Speaker: Gwenael Giacinti (NTNU Trondheim, Norway)
          Giacinti.pdf
        • 76
          Highlights from extragalactic Neutrino sources
          Speaker: Sara Buson
          Buson.pdf
        • 77
          AUGER Highlight talk
          Speaker: Martina Bohacova (Czech Academy of Sciences (CZ))
          3_Bohacova_PAOhighlights_2026.pdf
      • Coffee Break Marguerite de Valois Ground Floor

        Marguerite de Valois Ground Floor
      • Parallel Session Thursday - Collider: SM & Theory Le Sueur

        Le Sueur
        Convener: Massimiliano Grazzini (University of Zurich (CH))
        • 78
          ATLAS measurements of precision jet physics
          Speaker: Ota Zaplatilek
          Blois2026_Ota_Zaplatilek_v5.pdf
        • 79
          The Four-Jet Rate in Electron-Positron Annihilation at Order αs^4
          Speaker: Elliot Joseph Fox (Durham University)
          EF_Blois.pdf
        • 80
          Highlights on top quark physics with the ATLAS experiment at the LHC
          Speaker: Andrea Knue (Technische Universitaet Dortmund (DE))
          TopHighlights_Blois_AKnue.pdf
        • 81
          NNLO QCD corrections to top-quark pair production in association with a jet
          Speaker: Matteo Becchetti
          Blois_26_Becchetti.pdf
        • 82
          Recent results on top quark production at threshold and other properties by ATLAS
          Speaker: Roman Lysak (Czech Academy of Sciences (CZ))
          Lysak_TopXsecThreshold_Blois2026.pdf
        • 83
          Towards NNLO QCD corrections to $t\bar{t}W$ production
          Speaker: Dhimiter Canko (Università di Bologna)
          ttW_Blois_2026.pdf
        • 84
          Toward NNLO-accurate ttH event generation with approximate two-loop contributions
          Speaker: Chiara Signorile-Signorile
          blois2026_signorile.pdf
      • Parallel Session Thursday - Neutrinos Gaston d'Orléans

        Gaston d'Orléans
        Convener: Sotiris Loucatos (Université Paris-Saclay (FR) and APC)
      • Dinner: Cocktail and Conference Dinner Dinning Room @ Chateau

        Dinning Room @ Chateau
    • Friday 15 May
      • Cosmology Gaston d'Orléans

        Gaston d'Orléans
        Convener: Subodh Patil
      • Coffee Break Gaston d'Orléans

        Gaston d'Orléans
      • Summary Talk Gaston d'Orléans

        Gaston d'Orléans
        Convener: Jean TRAN THANH VAN
        • 91
          Where We Are and Where We're Going: A Personal Perspective
          Speaker: Jonathan Lee Feng (University of California Irvine (US))
          260515blois.pdf
      • Concluding Remarks Gaston d'Orléans

        Gaston d'Orléans
        Conveners: Jacques Dumarchez (Centre National de la Recherche Scientifique (FR)), Van TRAN THANH
      • Lunch Dinning Room @ Chateau

        Dinning Room @ Chateau