2-9 July 2014
Valencia, Spain
Europe/Madrid timezone

Flavour violating lepton decays in supersymmetric low-scale seesaws

4 Jul 2014, 11:30
20m
Sala 2 ()

Sala 2

Oral presentation Lepton Flavour Violation Lepton Flavour Violation

Speaker

Dr. Cedric Weiland (Universidad Autonoma de Madrid)

Description

In previous works (JHEP03(2012)100, JHEP09(2012)015), we have highlighted that the Higgs and Z-mediated penguin diagrams contributing to lepton flavour violating (LFV) observables like tau->3mu are strongly enhanced in the supersymmetric inverse seesaw model. It has recently been pointed out that an error in the literature for the Z-penguins form factors would lead to a non-physical non-decoupling behaviour (1312.5318). This work is devoted to the study of LFV lepton decays and mu-e conversion in the supersymmetric inverse seesaw, taking all contributions into account with the corrected form factors. We explicitly distinguish various regimes depending on the dominant contribution and give predictions for various observables, some of them already within reach of the current experiments.

Primary author

Dr. Cedric Weiland (Universidad Autonoma de Madrid)

Co-authors

Prof. Asmaa Abada (Universite Paris Sud 11) Dr. Avelino Vicente (Université de Liège) Dr. Florian Staub (Universitat Bonn) Mr. Manuel Krauss (Universitat Wurzburg) Prof. Werner Porod (Universitat Wurzburg)

Presentation Materials

Paper

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