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Karlsruhe 2011 – scientific programme

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T: Fachverband Teilchenphysik

T 21: Neutrinophysik / Astroteilchenphysik und Kosmologie (Theorie)

T 21.7: Talk

Tuesday, March 29, 2011, 18:15–18:30, 30.23: 3-1

Inverse see-saw from higher than d=5 effective operatos in SUSY, and its phenomenological implications at the LHC — •Martin Bernhard Krauss1, Toshihiko Ota2, Werner Porod1, and Walter Winter11Institut für Theoretische Physik und Astrophysik, Universität Würzburg, Am Hubland, 97074 Würzburg, Germany — 2Max-Planck-Institut für Physik (Werner-Heisenberg-Institut), Föhringer Ring 6, 80805 München, Germany

We discuss neutrino masses generated by higher than d=5 effective operators in a supersymmetric framework. We illustrate that at tree level, many possibilities lead to inverse see-saw scenarios with the lepton number violating term naturally suppressed by a heavy mediator mass. We show one example with heavy fermion doublets as additional mediators. This scenario may have LHC-observable phenomenology, since the added fermions lead to lepton number violating processes with displaced vertices.

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