Name: HHH workshop
Start: 2025-09-29T08:00:00+02:00
End: 2025-10-01T18:00:00+02:00
Location: Dubrovnik

HHH workshop

from Monday, September 29, 2025 (8:00 AM) to Wednesday, October 1, 2025 (6:00 PM)

Monday, September 29, 2025

8:15 AM Welcome session - badges: Registration
Registration
8:15 AM - 9:00 AM
9:00 AM Opening session: experiment and theory overview
9:00 AM - 10:45 AM
Contributions

9:00 AM Welcome talk + logistics - Vuko Brigljevic (Rudjer Boskovic Institute (HR))

9:15 AM Theory overview - Tania Robens (Rudjer Boskovic Institute (HR))

10:00 AM Experimental overview: HHH and HH results since the 2023 HHH workshop - Tristan Arnoldus Du Pree (Nikhef National institute for subatomic physics (NL))
10:45 AM Coffee break

10:45 AM - 11:15 AM
11:15 AM Experiment session
11:15 AM - 12:45 PM
Contributions

11:15 AM CMS road to HH - Jacobo Konigsberg (University of Florida (US))

11:45 AM Recent ATLAS HH results - Brian Moser (University of Freiburg (DE))

12:15 PM CMS: small and large-radius jets tagging in searches for rare processes - Loukas Gouskos (Brown University (US))
12:45 PM Lunch

12:45 PM - 2:00 PM
2:00 PM Experiment session
2:00 PM - 4:00 PM
Contributions

2:00 PM ATLAS HHH6b - Osama Karkout (Nikhef National institute for subatomic physics (NL))

2:30 PM Recent CMS HHH results - Marko Stamenkovic (Brown University (US)) Xinyue Geng (Peking University (CN))

3:00 PM Ideas for HHH4b2tau - Gabriel Oliveira Correa (The Barcelona Institute of Science and Technology (BIST) (ES))

3:30 PM CMS tau-identification in the context of HHH4b2tau - Dennis Roy (Kansas State University (US))
4:00 PM Coffee break

4:00 PM - 4:30 PM
4:30 PM Theory session
4:30 PM - 6:30 PM
Contributions

4:30 PM An analytic result for the 0 → g g H H H 0→ggHHH amplitude - Giuseppe De Laurentis (University of Edinburgh)

5:00 PM Reinterpreting the ATLAS HHH search in CheckMATE and Rivet - Krzysztof Rolbiecki (Warsaw University)

5:30 PM Multi-Higgs production as probes of HEFT interactions - Anisha . (Karlsruhe Institute of Technology)

6:00 PM Electroweak Symmetry Restoration at High Energies - Tao Han
6:30 PM Welcome reception

6:30 PM - 8:00 PM
Tuesday, September 30, 2025
9:00 AM Experiment session
9:00 AM - 10:30 AM
Contributions

9:00 AM ATLAS Xbb tagging - Jurjan Bootsma (Nikhef National institute for subatomic physics (NL))

9:30 AM ATLAS b-jet trigger - Roshan Joshi (Ohio State University (US))

10:00 AM CMS: recent developments in heavy flavor tagging - Clara Ramon Alvarez (University of Virginia (US))
10:30 AM Experiment session: LHC Higgs WG - HHH - YR5 discussions
LHC Higgs WG - HHH - YR5 discussions
10:30 AM - 11:00 AM
Contributions

10:30 AM Open discussion for HHH YR5 contributions - Benjamin Fuks Greg Landsberg (Brown University (US)) William Balunas (University of Cambridge (GB))
11:00 AM Coffee break

11:00 AM - 11:30 AM
11:30 AM Theory session
11:30 AM - 12:00 PM
Contributions

11:30 AM A new probe of the quartic Higgs self-coupling - Giulia Zanderighi (Max Planck Society (DE))
12:00 PM Boat excursion: Boat excursion
Boat excursion
12:00 PM - 6:00 PM

Lunch: Lunch at UIC for people not interested in excursion
Lunch at UIC for people not interested in excursion
12:00 PM - 1:30 PM

8:00 PM Conference dinner

8:00 PM - 10:00 PM
Wednesday, October 1, 2025
9:00 AM Theory session
9:00 AM - 11:00 AM
Contributions

9:00 AM Connecting Multi-Higgs production and the Electroweak Phase Transition - Osama Karkout (Nikhef National institute for subatomic physics (NL))

9:30 AM Triple Higgs production in a 100 TeV collider - Gilberto Tetlalmatzi-Xolocotzi (Siegen University)

10:00 AM TRSM Light Scalars in the Spotlight of the LHC - Mohamed Ouchemhou

10:30 AM Deciphering the CP nature of the 95 GeV Higgs boson - Prasenjit Sanyal (Asia Pacific Center for Theoretical Physics) Prasenjit Sanyal (Asia Pacific Center for Theoretical Physics)
11:00 AM Coffee break

11:00 AM - 11:30 AM
11:30 AM Theory session
11:30 AM - 12:00 PM
Contributions

11:30 AM Detecting P-even CP violation at future colliders in the production of multiple Higgs bosons of extended Higgs sectors - Howard Haber (University of California,Santa Cruz (US))
12:00 PM Closing session: overview and vision for the future
12:00 PM - 1:00 PM
Contributions

12:00 PM HHH 2025 workshop: closing session and vision for the future - Todd Brian Huffman (University of Oxford (GB))
1:00 PM Lunch

1:00 PM - 2:00 PM

2:30 PM Dubrovnik guided tour (if interested)

2:30 PM - 4:00 PM

Trip to Lokrum Island (if interested)

2:30 PM - 6:00 PM

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