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17–24 Jul 2024
Prague
Europe/Prague timezone

Long-lived particles from exotic Higgs decays at the FCC-ee

19 Jul 2024, 19:00
2h
Foyer Floor 2

Foyer Floor 2

Poster 03. Beyond the Standard Model Poster Session 2

Speaker

Axel Gallen (Uppsala University (SE))

Description

The European Strategy for Particle Physics identifies an e+e- Higgs factory as its top priority and the first step towards an ultra-high energy future hadron collider. The Future Circular Collider (FCC) is being proposed at CERN to address these goals. The FCC includes an electron-positron collider (FCC-ee), which will be followed by an energy-frontier hadron collider (FCC-hh).

New long lived particles (LLPs) are connected to many new physics models and could be the key to new physics discoveries at FCC-ee.

This contribution presents ongoing sensitivity analysis for exotic Higgs boson decays to LLPs at FCC-ee within the FCCAnalyses framework.

The study targets the production of a Higgs boson in association with a Z boson in e+e- collisions at 240 GeV, with the Higgs boson decaying into two long-lived scalars. This builds upon previous work with improved statistics and a refined analysis strategy.

Alternate track 11. Accelerator: Physics, Performance, and R&D for Future Facilities
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Primary authors

Axel Gallen (Uppsala University (SE)) Giulia Ripellino (Uppsala University (SE)) Magdalena Vande Voorde (KTH Royal Institute of Technology (SE)) Rebeca Gonzalez Suarez (Uppsala University (SE))

Presentation materials