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15-16 janvier 2015
Institut Henri Poincaré
Fuseau horaire Europe/Paris

Lepton flavour violating lepton decays in the inverse seesaw: SUSY and non-SUSY contributions

15 janv. 2015 à 14:50
14m
Chair: Emi Kou, Amphi Hermite (Institut Henri Poincaré)

Chair: Emi Kou, Amphi Hermite

Institut Henri Poincaré

11, rue Pierre et Marie Curie 75005 Paris

Orateur

Dr Cedric Weiland (IFT UAM/CSIC)

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 $\tau \rightarrow \mu \mu \mu$ are strongly enhanced in the supersymmetric inverse seesaw model. It has recently been pointed out (Phys.Rev.D90(2014)013008) that an error in the literature for the Z-penguins form factors would lead to a non-physical non-decoupling behaviour. This work (JHEP11(2014)048) 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.

Auteurs principaux

Dr Avelino Vicente (LPT Orsay) Dr Cedric Weiland (IFT UAM/CSIC) Dr Florian Staub (CERN) M. Manuel Krauss (University of Würzburg) Prof. Werner Porod (University of Würzburg) Dr asmaa Abada (LPT-Orsay-)

Documents de présentation

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