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T: Teilchenphysik

T 502: BSM II

T 502.4: Vortrag

Donnerstag, 30. März 2006, 17:20–17:40, P1-02-323

Constraints on SUSY Seesaw Parameters from Leptogenesis and Lepton Flavor Violation — •Frank Deppisch¹, Heinrich Päs², Andreas Redelbach³, and Reinhold Rückl⁴ — ¹Deutsches Elektronen-Synchrotron DESY, D-22603 Hamburg — ²Department of Physics & Astronomy, University of Hawaii at Manoa, 2505 Correa Road, Honolulu, HI 96822, USA — ³Gesellschaft für Schwerionenforschung, Planckstrasse 1, D-64291 Darmstadt — ⁴Institut für Theoretische Physik und Astrophysik, Universität Würzburg, D-97074 Würzburg

We study the constraints on a minimal supersymmetric seesaw model imposed by neutrino data, charged lepton flavor violation, thermal leptogenesis and perturbativity. We show that it is possible to constrain the three heavy Majorana neutrino masses as well as the complex Yukawa coupling matrix. Our results provide a first step towards a seesaw benchmark model for further phenomenological studies and model building.