HHH whitepaper

Abouabid, Hamza; Arhrib, Abdesslam; Arnold, Hannah; Azevedo, Duarte; Brigljevic, Vuko; Chen, Maggie; Diaz, Daniel; Duarte, Javier; du Pree, Tristan; El Falaki, Jaouad; Ferencek, Dinko; Ferreira, Pedro. M.; Fuks, Benjamin; Ganguly, Sanmay; Karkout, Osama; Kolosova, Marina; Konigsberg, Jacobo; Landsberg, Greg; Liu, Bingxuan; Moser, Brian; Muehlleitner, Margarete; Papaefstathiou, Andreas; Pasechnik, Roman; Robens, Tania; Santos, Rui; Sheldon, Brian; Soyez, Gregory; Stamenkovic, Marko; Stylianou, Panagiotis; Susa, Tatjana; Tetlalmatzi-Xolocotzi, Gilberto; Weiglein, Georg; Zanderighi, Giulia; Zhang, Rui (2024) HHH whitepaper. European Physical Journal C: Particles and Fields, 84 (11). ISSN 1434-6052

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Abstract

We here report on the progress of the HHH Workshop, that took place in Dubrovnik in July 2023. After the discovery of a particle that complies with the properties of the Higgs boson of the Standard Model, all Standard Model (SM) parameters are in principle determined. However, in order to verify or falsify the model, the full form of the potential has to be determined. This includes the measurement of the triple and quartic scalar couplings. We here report on ongoing progress of measurements for multi-scalar final states, with an emphasis on three SM-like scalar bosons at 125 GeV, but also mentioning other options. We discuss both experimental progress and challenges as well as theoretical studies and models that can enhance such rates with respect to the SM predictions.

Item Type:	Article
Uncontrolled Keywords:	particle physics; Higgs; new physics scenarios
Subjects:	NATURAL SCIENCES NATURAL SCIENCES > Physics NATURAL SCIENCES > Physics > Physics of Elementary Particles and Fields
Divisions:	Theoretical Physics Division
Projects:	Project title Project leader Project code Project type Otkriće fizike izvan Standardnog modela i poboljšanje preciznosti Standardnog modela na LHC Run III Tania Robens IP-2022-10-2520 HRZZ
Depositing User:	Tania Natalie Robens
Date Deposited:	20 Jan 2026 09:52
URI:	http://fulir.irb.hr/id/eprint/10996
DOI:	10.1140/epjc/s10052-024-13376-3

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