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Revisiting Universal Extra-Dimension Model with Gravity Mediated Decays

Kirtiman Ghosh · CERN

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About

We explore the collider phenomenology of the fat-brane realization of the Minimal Universal Extra Dimension (mUED) model, where Standard Model (SM) fields propagate in a small extra dimension while gravity accesses additional large extra dimensions. This configuration allows for gravity-mediated decay (GMD) of Kaluza-Klein (KK) particles, resulting in unique final states with hard photons, jets, massive SM bosons, and large missing transverse energy due to invisible KK gravitons. We derive updated constraints on the model's parameter space by recasting ATLAS mono-photon, di-photon, and multi-jet search results using 139 inverse femtobern of integrated luminosity data.

The talk

  1. Revisiting Universal Extra-Dimension Model with Gravity Mediated Decays 2025-02-28 · 19 min · CERN's player

Credits and licence

Institution
CERN
Department
Workshops
Speaker
Kirtiman Ghosh
Year
2025
Language
English
Subjects
Physics
Source
CERN
Licence
CERN, as CERN states it. CERN's terms
Attribution
© CERN. CERN provides its audiovisual media free of charge for educational and informational use, credited to CERN; this lecture is shown in CERN's own player.
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