Heidelberg 2007 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 309: Neutrino Theorie

T 309.1: Vortrag

Mittwoch, 7. März 2007, 16:45–17:05, KIP SR 2.404

Hints on the high-energy seesaw mechanism from the low-energy neutrino spectrum — •Alejandro Ibarra — DESY, Theory Group, Notkestrasse 85, D-22603 Hamburg, Germany

In the view of the observed large hierarchies in the quark and charged lepton masses, it is reasonable to assume that the high energy neutrino parameters that enter in the see-saw mechanism also present analogous large hierarchies. In this talk we discuss the constraints on the see-saw mechanism that follow from the observation of mild neutrino mass hierarchies at low energies.