15-16 January 2015
Institut Henri Poincaré
Europe/Paris timezone

Testing the SU(5) Nature of supersymmetry at LHC

Not scheduled
15m
Amphi Hermite (Institut Henri Poincaré)

Amphi Hermite

Institut Henri Poincaré

11, rue Pierre et Marie Curie 75005 Paris

Speaker

Mr yannick stoll (LAPTh)

Description

We investigate the consequences at low energies of a MSSM-SU(5) induced symmetry relation in the up-squark sector. We show that this relation is not too much spoiled by the RGE running down to the electroweak scale and is kept relatively model independent. Therefore, it could bring us information on the possibility that a SU(5) symmetry holds at high energies assuming that the LHC will detect squarks and access, at least partially, to their flavour decomposition. In that purpose, we set up a statistical test based on a Bayesian approach and consider several cases, depending on the amount of flavour information the LHC will be able to collect on the up-squarks. This test relies on a Markov Chain Monte Carlo simulation whose results will be presented and which allows to test, given an observed low energy spectra, with which significance the spectra points toward a high scale SU(5) dynamic. The relevant low energies flavour constraints will also be included in the study in order to restrict our parameter space to a realistic case. The talk will be (partially) based on arXiv:1403.3397

Primary authors

Björn Herrmann (LAPTh / Université de Savoie) Mr sylvain fichet (LPSC) Mr yannick stoll (LAPTh)

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