Heavy Charged Leptons in 6-dimensional Randall-Sundrum Model
Erin De Pree, Dietrich Kiesewetter
TL;DR
This paper explores how adding a fourth generation of leptons in a 6D Randall-Sundrum model with warped and flat extra dimensions affects KK Z boson towers, significantly enhancing production cross-sections and suggesting distinctive decay signatures.
Contribution
It introduces a novel 6D model with mixed extra dimensions and analyzes the impact of KK Z modes on fourth-generation lepton phenomenology.
Findings
Higher KK-Z modes from the flat dimension dominate contributions.
Enhanced cross-section for fourth-generation charged leptons.
Potential signature: heavy lepton decaying to heavy neutrino and W boson.
Abstract
We consider the effects of adding a fourth generation to a model with two compactified extra dimensions -- one warped and the other flat. The extra dimensions lead to towers of Kaluza-Klein (KK) Z bosons. Interestingly, the higher KK-Z modes depending on the flat dimension contribute more than the warped dimension. These KK-Z modes enhance the cross-section of fourth generation charged leptons . The most promising signature is the heavy charged lepton decaying to a heavy neutrino and W boson.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Cosmology and Gravitation Theories · Computational Physics and Python Applications