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

10 May 2026, 15:00 → 15 May 2026, 13:50 Europe/Paris

Gaston d'Orléans

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

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.

Sunday 10 May

16:00 → 19:00 Registration

19:00 → 20:00 Reception

20:00 → 22:00 Dinner

Monday 11 May

09:00 → 09:30 Opening

Convener: Christophe Grojean (DESY (Hamburg) and Humboldt University (Berlin))

Blois2026_Grojean.pdf

09:30 → 10:00 Coffee Break

10:00 → 12:30 Highlights

Convener: Jacques Dumarchez (Centre National de la Recherche Scientifique (FR))

10:00 JUNO: Review of the First Results

Speaker: Xuefeng Ding (Istitute of High Energy Physics, Chinese Academy of Sciences)

2026.05.08 [Professor][IHEP] Review of JUNO first result v4.pdf

10:30 DESI - 10 years after construction started

Speaker: Eric Armengaud (CEA Saclay)

desi_blois_2026.pdf

11:00 Faser: high energy neutrinos

Speaker: Davide Sgalaberna (ETH Zurich (CH))

FASER neutrino Blois.pdf

11:30 Future Colliders and ESPPU

Speaker: Monica Dunford (Heidelberg University (DE))

2026_05_11_Blois.pdf

12:00 AI for Particle Physics

Speaker: Lukas Alexander Heinrich (Technische Universitat Munchen (DE))

Heinrich.pdf

12:30 → 14:00 Lunch

14:00 → 15:30 Collider Physics

Convener: Christophe Grojean (DESY (Hamburg) and Humboldt University (Berlin))

14:00 Higgs and EFT

Speaker: Benjamin Stefanek (IFIC Valencia)

stefanek_blois_2026_animations.pdf

stefanek_blois_2026.pdf

14:30 LHC: Highlights on Higgs couplings and properties measurements

Speaker: Guglielmo Frattari (CERN)

20260511_Blois26.pdf

15:00 LHC: Highlights on QCD and top quark measurements

Speaker: Nicolas Pierre Chanon (Centre National de la Recherche Scientifique (FR))

NC_Blois_HighlightsTopQCD_2026_final.pdf

15:30 → 15:40 Conference Photograph

15:40 → 16:00 Coffee Break

16:00 → 17:00 Physics Beyond the Standard Model

Convener: Christophe Grojean (DESY (Hamburg) and Humboldt University (Berlin))

16:00 CP violation

Speaker: Isabelle Ripp-Baudot (Centre National de la Recherche Scientifique (FR))

Blois_ripp_2026.pdf

16:30 Where is the QCD axion?

Speaker: Maria Ramos

Blois.pdf

17:20 → 18:50 Visit of the Chateau

19:30 → 21:30 Dinner

Tuesday 12 May

09:00 → 10:30 Collider

Convener: Christophe Grojean (DESY (Hamburg) and Humboldt University (Berlin))

09:00 Next generation triggers

Speaker: Guilherme Guedes

Guedes_Blois.pdf

09:30 Precision Theory for high-energy colliders

Speaker: Rene Poncelet (IFJ PAN Krakow)

2026.05.12-Blois-poncelet.pdf

10:00 LHC: Highlights on Precision EW measurements at the LHC

Speaker: Federico Morodei (Sapienza Universita e INFN, Roma I (IT))

LHC_EW_measurements_Blois2026.pdf

10:30 → 11:00 Coffee Break

11:00 → 12:30 DM

Convener: Maria Ramos

11:00 Dark Matter Experimental Searches

Speaker: Chiara Salemi (Stanford University and SLAC)

14_Salemi.pdf

11:30 Light Dark Matter

Speaker: Ryan Plestid (CERN)

Blois.pdf

12:00 Axion DM

Speaker: Keir Rogers

Rogers.pdf

12:30 → 14:00 Lunch

14:00 → 15:30 Dark Matter and Astroparticles

Convener: Ryan Plestid (CERN)

14:00 Quantum sensors for fundamental physics

Speaker: Clara Murgui Galvez (CERN)

Blois26.pdf

14:30 Dark Matter Astrophysics Searches

Speaker: Silvia Manconi

manconi_Blois26_online.pdf

manconi_Blois26.pdf

15:00 Dark Matter Searches with CTAO

Speaker: Tomohiro Inada (Kyushu University (JP))

2026_Blois_CTAO.pdf

15:30 → 16:00 Coffee Break

16:15 → 18:35 Parallel Session Tuesday - Astroparticles

Convener: Eric Armengaud

16:15 Tackling transient sources with neutrino telescopes

Speaker: Gabriel Massoni Salla

Blois_2026_GMS.pdf

16:35 Recent results on hadronic interactions at ultra-high energies from the Pierre Auger Observatory

Speaker: Jaroslaw Stasielak (IFJ PAN)

Hadronic-Interaction_Blois.pdf

16:55 Ultra-High-Energy Neutrino Searches at the Pierre Auger Observatory

Speaker: Cristina Galea

Blois_UHE_neutrinos_2026.pdf

17:15 Arrival-direction anisotropies of ultra-high-energy cosmic rays with the Pierre Auger Observatory

Speaker: Joao de Mello Neto

jtmn_Auger_BLOIS2026.pdf

17:35 Cosmic Ray Physics with the KM3NeT Telescope

Speaker: Venugopal Ellajosyula

Blois26_CosmicRays_KM3NeT_VenugopalEllajosyula.pdf

17:55 Probing Cosmic Ray Composition and Muon-philic Dark Matter using GeV Muon sources

Speaker: Leyun Gao (Peking University (CN))

Leyun_Gao-PKMu-20260512.pdf

18:15 Gravitational waves signals in electromagnetic cavities

Speaker: Jordan Gué (IFAE)

jg_blois_26.pdf

16:15 → 19:15 Parallel Session Tuesday - Collider: Standard Model

Convener: Nicolas Pierre Chanon (Centre National de la Recherche Scientifique (FR))

16:15 Higgs boson production and decay rate measurements with the ATLAS experiment

Speaker: Zirui Liu (Université Paris-Saclay (FR))

Blois2026-Zirui-Liu-HiggsProdDec-vFinal.pdf

16:35 Study of spin correlations in Higgs boson decays to four leptons at CMS

Speaker: Leyun Gao (Peking University (CN))

report.pdf

16:55 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

17:15 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

17:35 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

17:55 HH, HHH searches, Higgs potential in ATLAS

Speaker: Roshan Joshi (Ohio State University (US))

Blois_talk_Roshan.pdf

18:15 Recent measurements with single W bosons with the CMS experiment

Speaker: Ruben Forti (Universita & INFN Pisa (IT))

Single_W_in_CMS_RF.pdf

18:35 Multiboson measurements at ATLAS

Speaker: Rainer Stamen (Heidelberg University (DE))

2026_Blois_Stamen.pdf

18:55 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

16:15 → 18:55 Parallel Session Tuesday - Dark Matter

Convener: Keir Rogers

16:15 Illuminating the Dark Sector - One Scattered Photon at a Time

Speaker: Trinity Stenhouse

rencontres_de_blois_TRINITY_STENHOUSE.pdf

rencontres_de_blois_TRINITY_STENHOUSE.pptx

16:35 The search for light dark matter with Skipper CCDs in the DAMIC-M experiment

Speaker: Nicolás Avalos (LPNHE - IN2P3 - CNRS)

AVALOS_DAMIC-M_BLOIS2026.pdf

16:55 The SHiP/NA67 experiment: the flagship to probe hidden sectors

Speaker: Matei Climescu (Ghent University (BE))

Climescu_SHiP_Blois.pdf

17:15 Halo Abundance in Decaying Dark Matter Models

Speaker: Thomas Montandon (Laboratoire Univers et Particules de Montpellier)

Blois2026.pdf

17:35 Searching for Axion Dark Matter in the RADES Collaboration

Speaker: Cristian Cogollos Trivino (Max Planck Institute for Physics (DE))

Cogollos_RADES_Talk_Blois_2026.pdf

17:55 Searching the WIMP Dark Matter Parameter Space with the PICO Bubble Chambers

Speaker: Jeremy Savoie (Université de Montréal)

PICO Blois 2026.pdf

18:15 Recent Results from the LZ Experiment

Speaker: Cecilia Levy (University at Albany, SUNY)

Levy-Blois26.pdf

18:35 Probing Neutrino and Dark Matter Interactions with XENONnT

Speaker: Florian Joerg (CERN)

8_2026_blois_joerg_small.pdf

19:30 → 21:30 Dinner

Wednesday 13 May

08:00 → 12:00 Excursion to Clos Lucé (last home of Leonardo Da Vinci)

BusPlan.pdf

12:30 → 14:00 Lunch

14:30 → 15:30 Flavour

Convener: Benjamin Stefanek (IFIC Valencia)

14:30 Rare decays

Speaker: Yasmine Sara Amhis (IJCLab)

Blois-2026-Yasmine.pdf

15:00 Theoretical perspectives on Flavour

Speaker: Robert Fleischer (Vrije Universiteit Amsterdam)

2_Fleischer.pdf

15:30 → 16:00 Coffee Break

16:00 → 18:40 Parallel Session Wednesday - Collider: BSM

Convener: Guilherme Guedes

16:00 Beyond the Standard Model in the Higgs sector at ATLAS

Speaker: Liron Barak (Tel Aviv University)

ATLASSearchesHLB.pdf

16:20 Enhanced di-Higgs production from TeV-scale HNL at future lepton colliders

Speaker: Emanuelle Pinsard

Blois_Pinsard_diHiggs.pdf

16:40 Searches for strong production of supersymmetric particles at ATLAS

Speaker: Francesco Giuseppe Gravili (INFN Lecce e Universita del Salento (IT))

SUSYStrong_ATLAS.pdf

17:00 Searches for vector-like fermions and leptoquarks with the ATLAS detector

Speaker: Hassane Hamdaoui (Uppsala University (SE))

H.Hamdaoui_BLOIS2026.pdf

17:20 Searches for Exotic Heavy Resonances with the ATLAS detector

Speaker: Laura Pintucci (Universita degli Studi di Udine (IT))

SearchHeavyResonances_LauraPintucci_Blois26-v1.pdf

17:40 Searches for BSM physics using challenging and long-lived signatures with the ATLAS detector

Speaker: Emily Rose Duden (Brandeis University (US))

LLPSignaturesBlois2026.pdf

18:00 BSM Searches at FASER

Speaker: Pawan Pawan (University of Liverpool (GB))

BSMSearchesAtFASER_Blois_Pawan.pdf

18:20 Tailored PDFs for new physics searches

Speaker: Elie Hammou (Nikhef National institute for subatomic physics (NL))

Blois2026_Hammou.pdf

16:00 → 18:00 Parallel Session Wednesday - Flavour

Convener: Robert Fleischer (Vrije Universiteit Amsterdam)

16:00 Recent results on matter and antimatter asymmetries at LHCb

Speaker: Yasmine Sara Amhis (IJCLab)

Blois-Gamma-Parallèle-Yasmine.pdf

16:20 Dark sector and tau lepton studies at Belle II

Speaker: Luigi Corona

blois_2026_ds_belleII_lc.pdf

16:40 Measurements of Semileptonic and leptonic B decays at Belle and Belle II

Speaker: Tia Crane

Semileptonic_and_Leptonic_Measurements_Tia_Crane_Blois_1305.pdf

17:00 Results from the DsTau (NA65) experiment

Speaker: Radu Dobre (Institute of Space Science subsidiary of INFLPR (RO))

DsTau-results-Blois.pdf

17:20 Measurements of electroweak penguin B decays at Belle and Belle II

Speaker: Debjit Ghosh (INFN Trieste)

Ghosh.pdf

17:40 A new measurement of the K+ →pi+ nubar nu branching ratio at the NA62 experiment

Speaker: Michal Zamkovsky (Universite Catholique de Louvain (UCL) (BE))

Blois_2026.pdf

16:00 → 19:00 Parallel Session Wednesday - Neutrinos

Convener: Eligio Lisi

16:00 Muon track reconstruction in JUNO

Speaker: Thomas Raymond

20260513__RAYMOND_Thomas__Blois_2026.pdf

16:20 Latest results from the CUORE experiment

Speaker: Anastasiia Shaikina

Shaikina_Blois.pdf

16:40 The search for neutrinoless double beta decay with the LEGEND-200 experiment

Speaker: Rosanna Deckert (Technical University of Munich (TUM))

Blois26_ LEGEND-200.pdf

17:00 LEGEND-1000: Toward a tonne-scale 76Ge search for Neutrinoless Double-Beta Decay

Speaker: Francesco Borra

2026-05-13-Borra-Blois26-Blois.pdf

17:20 CUPID, the next-generation 0νββ bolometric experiment

Speaker: Léonard Imbert

CUPID_Blois_2026-1.pdf

17:40 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

18:00 Combined KM3NeT/ARCA and ANTARES search for compact neutrino sources

Speaker: Vladimir Kulikovskiy (INFN Genova)

Talk_Blois2026_VKulikovskiy_ANTARCA_v1.6.pdf

18:20 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

18:40 A bottom-up approach to a minimal EFT for leptogenesis, dark matter, and neutrino masses

Speaker: Peter Matak (Comenius University (SK))

Peter_Matak.pdf

19:30 → 21:30 Dinner

Thursday 14 May

09:00 → 10:30 Collider 2

Convener: Rene Poncelet (IFJ PAN Krakow)

09:00 Review of ALICE results

Speaker: Mattia Faggin (CERN)

2026May14_blois_faggin_v4.pdf

09:30 New avenues for precision hadronic measurements at the LHC

Speaker: Aditya Pathak (DESY)

AP_Blois_26.pdf

10:00 LHC: Highlights on BSM/exotic searches

Speaker: Eirini Tziaferi (Democritus University of Thrace (DUTH) (GR))

HighlightBSM_CMS_ATLAS_Tziaferi.pdf

10:30 → 11:00 Coffee Break

11:00 → 12:30 Neutrinos

Convener: Sotiris Loucatos (Université Paris-Saclay (FR) and APC)

11:00 Review of neutrino masses and mixings

Speaker: Eligio Lisi

Lisi_Blois_2026_reduced.pdf

11:30 UHE neutrino detection

Speaker: Kumiko Kotera

26_05_14_Blois_kotera_compressed.pdf

12:00 Status of Leptogenesis

Speaker: Pasquale Di Bari

PDB4BLOIS26.pdf

12:30 → 14:00 Lunch

14:00 → 15:30 Neutrino/AstroParticle

Convener: Bryce Cyr

14:00 Highlights: LHAASO TeV to PeV Gamma-Ray Measurements

Speaker: Gwenael Giacinti (NTNU Trondheim, Norway)

Giacinti.pdf

14:30 Highlights from extragalactic Neutrino sources

Speaker: Sara Buson

Buson.pdf

15:00 AUGER Highlight talk

Speaker: Martina Bohacova (Czech Academy of Sciences (CZ))

3_Bohacova_PAOhighlights_2026.pdf

15:30 → 16:00 Coffee Break

16:00 → 18:20 Parallel Session Thursday - Collider: SM & Theory

Convener: Massimiliano Grazzini (University of Zurich (CH))

16:00 ATLAS measurements of precision jet physics

Speaker: Ota Zaplatilek

Blois2026_Ota_Zaplatilek_v5.pdf

16:20 The Four-Jet Rate in Electron-Positron Annihilation at Order αs^4

Speaker: Elliot Joseph Fox (Durham University)

EF_Blois.pdf

16:40 Highlights on top quark physics with the ATLAS experiment at the LHC

Speaker: Andrea Knue (Technische Universitaet Dortmund (DE))

TopHighlights_Blois_AKnue.pdf

17:00 NNLO QCD corrections to top-quark pair production in association with a jet

Speaker: Matteo Becchetti

Blois_26_Becchetti.pdf

17:20 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

17:40 Towards NNLO QCD corrections to $t\bar{t}W$ production

Speaker: Dhimiter Canko (Università di Bologna)

ttW_Blois_2026.pdf

18:00 Toward NNLO-accurate ttH event generation with approximate two-loop contributions

Speaker: Chiara Signorile-Signorile

blois2026_signorile.pdf

16:00 → 17:00 Parallel Session Thursday - Neutrinos

Convener: Sotiris Loucatos (Université Paris-Saclay (FR) and APC)

16:00 Neutrino Physics at FASER

Speaker: Wissal Filali (Bonn (DE))

NeutrinoPhysicsAtFASER_RencontresDeBlois26 (2).pdf

16:20 SND@LHC: Recent Results and Physics Prospects

Speaker: Riddhi Biswas (Millennium Institute for Subatomic Physics at High Energy Frontier (CL))

RencontresDeBlois2026.pdf

16:40 T versus CP effects in DUNE and T2HK

Speaker: Sabya Sachi Chatterjee (IPhT CEA-Saclay)

Blois_conference2026_Sabya.pdf

19:30 → 22:30 Dinner: Cocktail and Conference Dinner

Friday 15 May

09:00 → 10:30 Cosmology

Convener: Subodh Patil

09:00 Spectral distortions

Speaker: Bryce Cyr

CMB-SD-Blois.pdf

09:30 Dark Energy beyond Lambda

Speaker: Rodrigo Calderon

RencontresBlois-2026.pdf

10:00 Tensions overview

Speaker: Elsa Teixeira (Laboratoire Univers et Particules de Montpellier, University of Montpellier)

Blois_Teixeira.pdf

10:30 → 11:00 Coffee Break

11:00 → 11:45 Summary Talk

Convener: Jean TRAN THANH VAN

11:00 Where We Are and Where We're Going: A Personal Perspective

Speaker: Jonathan Lee Feng (University of California Irvine (US))

260515blois.pdf

11:45 → 12:00 Concluding Remarks

Conveners: Jacques Dumarchez (Centre National de la Recherche Scientifique (FR)), Van TRAN THANH

12:00 → 13:30 Lunch