Higgs Pairs Workshop 2025

from Sunday 11 May 2025 (16:00) to Saturday 17 May 2025 (19:30)
Isola d'Elba

        : Sessions
    /     : Talks
        : Breaks
11 May 2025
12 May 2025
13 May 2025
14 May 2025
15 May 2025
16 May 2025
17 May 2025
AM
09:00
Plenary - Ramona Groeber (Università di Padova and INFN, Sezione di Padova) Stefano Manzoni (CERN) (until 12:30) (Sala Maria Luisa)
09:00 Welcome - Agnese Ciocci (Università di Siena / INFN) Alberto Annovi (INFN Sezione di Pisa)  
09:10 Welcome from the Programme Committee - Ramona Groeber (Università di Padova and INFN, Sezione di Padova)  
09:15 Theory status for non resonant HH - Joshua Davies (University of Liverpool)  
09:45 Overview of CMS HH non-resonant results - Agni Bethani (Universite Catholique de Louvain (UCL) (BE))  
10:10 Overview of ATLAS HH non-resonant results - Katharine Leney (Southern Methodist University (US))  
10:35 --- Coffee break ---
11:05 Theory status for resonant HH and Scalar+H - Tania Robens (Rudjer Boskovic Institute (HR))  
11:35 Overview of ATLAS HH and Scalar+H resonant searches - Minori Fujimoto (CPPM, Aix-Marseille Université, CNRS/IN2P3 (FR))  
12:00 Overview of CMS HH and Scalar+H resonant searches - Loukas Gouskos (Brown University (US))  
09:00
Plenary - Valentina Cairo (CERN) Fabio Monti (CERN) (until 12:30) (Sala Maria Luisa)
09:00 ATLAS and CMS non-resonant HH searches in the 4b final state - Yizhou Cai (Nanjing University (CN)) Marina Kolosova (University of Florida (US))  
09:30 ATLAS and CMS non-resonant HH searches in the 2b2γ final state - Adelina D'Onofrio (INFN Napoli (IT)) Irene Dutta (Fermi National Accelerator Lab. (US))  
10:00 ATLAS and CMS non-resonant HH searches in the 2b2τ final state - Carlo Schiavi (INFN e Universita Genova (IT)) Silvia Goy Lopez (CIEMAT - Centro de Investigaciones Energéticas Medioambientales y Tec. (ES))  
10:25 LOC Updates - Alberto Annovi (INFN Sezione di Pisa) Prof. Maria Agnese Ciocci (Universita di Siena & INFN Pisa (IT))  
10:30 --- Coffee break ---
11:00 News on precision computations of HH: EW corrections - Huai-Min Yu (Peking Univeristy)  
11:25 MC generators for HH in gluon fusion and VBF - Gudrun Heinrich (KIT)  
11:50 EFTs for HH - Christoph Englert  
09:00
Plenary - Paolo Francavilla (Universita & INFN Pisa (IT)) Alex Cerri (Università di Siena / INFN) (until 11:00) (Sala Maria Luisa)
09:00 Triple-Higgs searches in ATLAS - Alessandra Betti (Sapienza Università e INFN, Roma I (IT))  
09:20 Resonant BSM for HHH - Dr Andreas Papaefstathiou (Kennesaw State University, GA, USA)  
09:45 Triple Higgs boson production in EFTs from on-shell amplitude techniques - Michal Ryczkowski  
10:05 Connecting Multi-Higgs production and the Electroweak Phase Transition - Osama Karkout (Nikhef National institute for subatomic physics (NL))  
10:25 Search for HH in rare production modes (VHH, ttHH) at ATLAS and CMS - Jessy Daniel (Centre National de la Recherche Scientifique (FR))  
10:50 Conference Photos  
11:00 --- Excursions ---
09:00
Plenary - Giuseppe Bagliesi (Universita & INFN Pisa (IT)) Marco Valente (CERN) (until 12:30) (Sala Maria Luisa)
09:00 Overview of BSM models not yet excluded (REMOTE) - Georg Ralf Weiglein (Deutsches Elektronen-Synchrotron (DE))  
09:30 ATLAS and CMS HH/SH resonant searches in the 4b final state - Lidija Zivkovic (Institute of physics Belgrade (RS)) Santeri Laurila (CERN & Helsinki Institute of Physics (FI))  
10:00 ATLAS and CMS HH/SH resonant searches in the 2b2γ final state - Grigorii Tolkachev (CPPM, Aix-Marseille Université, CNRS/IN2P3 (FR)) Elise Anne Marie Jourd'Huy (Centre National de la Recherche Scientifique (FR))  
10:30 --- Coffee break ---
11:00 Interference/NLO effects in resonant Higgs pair production - Johannes Alf Braathen (DESY)  
11:30 ATLAS and CMS HH/SH resonant searches in the 2b2τ final state - Allison Mccarn Deiana (Southern Methodist University (US)) Valeria D'Amante (Universita & INFN Pisa (IT))  
12:00 ATLAS and CMS HH/SH resonant searches in other final states - Mr Soumyananda Goswami (Oklahoma State University (US)) Devin Michael Aebi (Texas A & M University (US))  
09:00
Parallel - Alex Cerri (Università di Siena / INFN) Dario Buttazzo (INFN Pisa (IT)) (until 12:30) (Sala Maria Luisa)
09:00 A Future Higgs Factory - The Circular Electron Positron Collider (CEPC) - Mingshui Chen (Chinese Academy of Sciences (CN))  
09:30 The FCC project - Marina Cobal (Universita degli Studi di Udine (IT))  
10:00 A Linear Collider Facility for CERN - Jenny List (Deutsches Elektronen-Synchrotron (DE))  
10:30 --- Coffee break ---
11:00 Trilogy of event reconstruction at electron positron Higgs factory (REMOTE) - Manqi Ruan (Chinese Academy of Sciences (CN))  
11:20 Analysis improvements for the Higgs self-coupling measurement at ILD - Bryan Bliewert (Deutsches Elektronen-Synchrotron (DE))  
11:40 One Loop BSM Triple Higgs Couplings at future electron-positron colliders via double Higgs production - Francisco Arco (DESY)  
12:00 Looking for a SFOEWPT in the RxSM at the HL-LHC and LISA - Alain Verduras Schaeidt (DESY)  
09:00
Parallel - Alessandra Betti (Sapienza Università e INFN, Roma I (IT)) Giuseppe Bagliesi (Universita & INFN Pisa (IT)) (until 10:30) (Sala Bonaparte)
09:00 A calibratable jet-free HH(4b) search framework at the LHC - Congqiao Li (Peking University (CN))  
09:20 CMS Level-1 Trigger improvements for HH at the HL-LHC - Artur Lobanov (University of Hamburg (DE))  
09:40 ATLAS advanced identification techniques for Boosted $H \to \tau\tau$ - Gadi Ninio (Tel Aviv University (IL))  
10:00 Advances in Trigger Strategies for the Run 3 HH->bbtautau search in the ATLAS experiment - Davide Fiacco (Sapienza Universita e INFN, Roma I (IT))  
10:15 Calibration of the GN2 b-tagging algorithm with ttbar and Z+jets events using 140 fb^-1 of ATLAS proton-proton collsion data at sqrt(s)=13 TeV - Martino Tanasini (Stony Brook University (US))  
09:00
Parallel - Andrea Carlo Marini (Universita & INFN Pisa (IT)) Valentina Cairo (CERN) (until 12:30)
09:00 A novel implementation of the Matrix Element Method at next-to-leading-order (NLO) for the measurement of the Higgs tri-linear coupling in di-Higgs production at the LHC - Matthias Jean Tartarin (Laboratoire des 2 Infinis - Toulouse, CNRS / Univ. Paul Sabatier (FR))  
09:20 New results for HH→bbγγ with the ATLAS experiment - Spyridon Merianos (Aristotle University of Thessaloniki (GR))  
09:40 Search for Higgs Pair Production Decaying into 2 Photons and 2 b Quarks at the High-Luminosity LHC - Arthur Lafarge (Université Clermont Auvergne (FR))  
10:00 Top-Yukawa-induced corrections to Higgs pair production - Sauro Carlotti  
10:15 Light-Quark Electroweak Contributions to Double Higgs Production at Hadron Colliders - Mr Marco Bonetti (IAP Karlsruher Institut für Technologie)  
10:30 --- Coffee break ---
11:00 Boosted HH at CMS - Raghav Kansal (California Institute of Technology)  
11:20 Two-loop running effects in Higgs physics in Standard Model Effective Field Theory - Dr Stefano Di Noi (K.I.T.)  
11:35 VBF-HH at NLO QCD in non-linear Higgs Effective Field Theory - Marius Höfer (KIT)  
11:50 Double Higgs production and the Higgs self coupling in Global SMEFT fits - Alejo Nahuel Rossia (University of Padua and INFN Sezione di Padova)  
12:05 Impact of renormalisation group equation on Higgs production in the SMEFT - Giuseppe Ventura  
10:30 --- Coffee Break ---
11:00
Parallel - Giuseppe Bagliesi (Universita & INFN Pisa (IT)) Alessandra Betti (Sapienza Università e INFN, Roma I (IT)) (until 12:30) (Sala Bonaparte)
11:00 CMS ZH resonant searches - Andrea Malara (Universite Libre de Bruxelles (BE))  
11:20 CMS HH/SH resonant searches in bbVV channels - Amitav Mitra (Johns Hopkins University (US))  
11:40 CMS HH/SH resonant search with anomaly detection algorithm - Matej Roguljic (Johns Hopkins University (JHU))  
12:00 Resonant HH production: interference effects and higher order loop corrections - Kateryna Radchenko Serdula (DESY)  
06:55 --- Departures (Bus departures at 7:00) ---
PM
16:00 --- Registration ---
19:30 --- Welcome cocktail ---
12:30 --- Lunch break ---
15:30
Plenary - Andrea Carlo Marini (Universita & INFN Pisa (IT)) Marco Valente (CERN) (until 19:30) (Sala Maria Luisa)
15:30 Trigger performance for HH at ATLAS and CMS - Liaoshan Shi (UCL (GB)) Silvio Donato (Universita & INFN Pisa (IT))  
16:00 Jet and missing transverse momentum performance at ATLAS and CMS - Charles Lewis (University of Washington (US)) Fabio Iemmi (Chinese Academy of Sciences (CN))  
16:30 Performance in tracking and flavour tagging at ATLAS and CMS - Angela Maria Burger (Centre National de la Recherche Scientifique (FR)) Angela Zaza (Universita e INFN, Bari (IT))  
17:00 --- Coffee break ---
17:30 Tau performance at ATLAS and CMS - Sinead Farrington (University of Edinburgh) Konstantin Androsov (Texas A & M University (US))  
18:00 Photons and leptons performance at ATLAS and CMS - Rosy Nikolaidou (Université Paris-Saclay (FR)) Filippo Errico (Sapienza Universita e INFN, Roma I (IT))  
18:30 ATLAS object performance at HL-LHC - Lorenzo Santi (CERN)  
18:50 CMS object performance at HL-LHC - Nicola Amapane (Universita e INFN Torino (IT))  
12:30 --- Conference PHOTO + Lunch Break ---
15:30
Plenary - Nan Lu (University of Science and Technology of China (CN)) Alessandra Betti (Sapienza Università e INFN, Roma I (IT)) (until 18:30) (Sala Maria Luisa)
15:30 ATLAS and CMS non-resonant HH searches in the 2b2l/2b2V final states - Anyes Taffard (University of California Irvine (US)) Abhisek Datta (University of California Los Angeles (US))  
16:00 ATLAS and CMS non-resonant HH search in multi-leptons final states - Anamika Aggarwal (Johannes Gutenberg Universitaet Mainz (DE)) Ana Sculac (University of Split. Fac.of Elect. Eng., Mech. Eng. and Nav.Architect. (HR))  
16:30 Di-Higgs combination, single-Higgs constraint and EFT interpretation in ATLAS and CMS - Marco Delmastro (CNRS/IN2P3 LAPP)  
17:00 --- Conference PHOTO + Coffee break ---
17:30 CMS results with EFT and UV completion - Torben Lange (National Institute of Chemical Physics and Biophysics (EE))  
17:50 HL-LHC projections for di-Higgs non-resonant searches at ATLAS and CMS - Davide Zuolo (University of Colorado - Boulder (US))  
18:20 Reminder: social event at 21:30 - Sandra Leone (Universita & INFN Pisa (IT))  
18:20
Poster (until 19:20) (Open Court / Sala Elena )
21:30 --- Social Event ---
12:30 --- Lunch break ---
14:00
Parallel - Fabio Monti (CERN) Greg Landsberg (Brown University (US)) (until 14:45) (Sala Maria Luisa)
14:00 Discussion - Greg Landsberg (Brown University (US))  
14:59
Plenary - Dario Buttazzo Paolo Azzurri (Universita & INFN Pisa (IT)) (until 17:30) (Sala Maria Luisa)
14:59 News - Maria Agnese Ciocci (Universita di Siena & INFN Pisa (IT)) Alberto Annovi (INFN Sezione di Pisa)  
15:00 Combination of HH and Scalar+H resonant searches at ATLAS and CMS - Alexandra Carvalho Antunes De Oliveira (Peking University (CN))  
15:25 Theory interplay between HH and diboson resonances - Andrea Tesi (INFN)  
15:50 BSM Composite Higgs Models - Stefania De Curtis (Universita e INFN, Firenze (IT))  
16:15 Summary of statistical excesses in di-Higgs and multi-boson searches - Robert Les (Michigan State University (US))  
16:35 General CP-violating 2HDM in light of the excesses in di-photon searches at the LHC - Guglielmo Coloretti (University of Zurich (UZH) / Paul Scherrer Institute (PSI))  
17:00 --- Coffee break ---
17:30
Plenary - Fabio Monti (CERN) Dr Andreas Papaefstathiou (Kennesaw State University, GA, USA) (until 19:00) (Sala Maria Luisa)
17:30 The LHCHWG YR5 - Liza Brost (Brookhaven National Laboratory (US))  
17:45 Higgs pair production with higher power dependencies of the self-couplings - Prof. Jian Wang (Shandong University)  
18:05 top quark mass renormalisation scheme uncertainty - Sebastian Jaskiewicz  
18:35 Taming a leading theoretical uncertainty in HH measurements via accurate simulation for bbH production - Elena Mazzeo (Università degli Studi e INFN Milano (IT))  
20:00 --- Gala Dinner ---
12:30 --- Lunch break ---
15:00
Plenary - Paolo Azzurri (Universita & INFN Pisa (IT)) Ramona Groeber (Università di Padova and INFN, Sezione di Padova) (until 19:00) (Sala Maria Luisa)
15:00 the Higgs potential and gravitational waves (REMOTE) - Chiara Caprini (CERN)  
15:30 Higgs self-couplings at FCCee and CEPC - Jia Liu (Peking University) Abraham Tishelman-Charny (Brookhaven National Laboratory (US))  
16:00 Higgs self-couplings at ILC and CLIC - Jenny List (Deutsches Elektronen-Synchrotron (DE))  
16:30 Higgs self-couplings at a future muon collider - Xing Wang  
17:00 --- Coffee break ---
17:30 Higgs self-couplings at FCC-hh - Angela Taliercio (Northwestern University (US))  
18:00 Theory challenges for Higgs self coupling measurements at future lepton colliders (REMOTE) - Christophe Grojean (DESY (Hamburg) and Humboldt University (Berlin))  
18:30 Theory challenges for Higgs self coupling measurements at future hadron colliders - Michael Spira (Paul Scherrer Institute (CH))  
19:00
Plenary - Ramona Groeber (Università di Padova and INFN, Sezione di Padova) Paolo Azzurri (Universita & INFN Pisa (IT)) (until 19:30)
19:00 EPS poster prize - Jacobo Konigsberg (University of Florida (US)) Gudrun Heinrich (KIT) Marina Cobal (Universita degli Studi di Udine (IT)) Xinchou LOU (IHEP,CAS)  
19:15 Workshop conclusion - Stefano Manzoni (CERN)