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SUMMARY:State-of-the-Art Tests of Lepton Number Violation and Seesaw Mecha
 nisms - Richard Ruiz (Pittsburgh)
DTSTART:20140919T150000Z
DTEND:20140919T160000Z
UID:TALK53715@talks.cam.ac.uk
CONTACT:Damien George
DESCRIPTION:The discoveries of nonzero neutrino masses and a SM-like Higgs
  force us to\ncontemplate that Yukawa couplings may span at least 12 order
  of magnitude.\nHowever\, permitting that lepton number is not a fundament
 al symmetry of\nnature at low energies\, Seesaw mechanisms can alleviate t
 his problem.This\ntalk will focus on recent developments of two tests that
  directly probe the\nlarge class of Seesaw models that feature a heavy neu
 trino (Dirac\,\nPseudo-Dirac\, or Majorana)\, in particular: heavy neutrin
 o production via a\nresonant\, s-channel W' (with arbitrary chiral couplin
 gs) and through\nW-photon fusion. The robustness and discovery potential o
 f these tests at\ncurrent and future hadron colliders will be discussed in
  detail. Recent LHC\nresults will also be addressed.\n
LOCATION:MR19 (Potter Room\, Pavilion B)\, CMS
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