From 11 to 17 May 2025, the island of Elba will host the international workshop Higgs Pairs 2025, bringing together approximately 150 researchers from across the globe. The event will focus on the study of double Higgs boson production—a key process for probing one of the most intriguing and fundamental properties of the Higgs boson, discovered at CERN’s LHC in July 2012.
The workshop is organized by the INFN Pisa, the Universities of Pisa and Siena, and is supported by the European Physical Society (EPS), the Italian Physical Society (SIF), and the cultural associations Frontier Detectors for Frontier Physics and Fundamental Research in Physics. It will serve as a platform to discuss recent theoretical advances and cutting-edge analysis techniques related to the Higgs boson and its interactions.
Double Higgs production in proton-proton collisions at the LHC is a key prediction of the Standard Model, yet it remains unobserved with current datasets. An excess in the rate of such rare events could signal new physics—unknown particles, novel interactions, or even hints toward the origin of the matter-antimatter asymmetry in the universe.
The timing of the workshop is especially significant as the LHC prepares for its high-luminosity upgrade (HL-LHC), which will deliver ten times more data than currently available. This opens a unique opportunity to explore rare processes like double Higgs production with unprecedented precision in the ATLAS and CMS experiments.
The dual objective of Higgs Pairs 2025 is to consolidate current results and to develop new analysis strategies for the HL-LHC era and future high-energy colliders that may redefine our understanding of fundamental physics.
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