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Phys. Rev. Lett. 93, 231802 (2004) [4 pages]

Neutrinoless Double Beta Decay and Lepton Flavor Violation

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V. Cirigliano1, A. Kurylov1, M. J. Ramsey-Musolf1,2,3, and P. Vogel1
1Kellogg Radiation Laboratory, California Institute of Technology, Pasadena, California 91125, USA
2Institute for Nuclear Theory, University of Washington, Seattle, Washington 98195, USA
3Department of Physics, University of Connecticut, Storrs, Connecticut 06269, USA

Received 21 June 2004; published 1 December 2004

We point out that extensions of the standard model with low scale (∼TeV) lepton number violation (LNV) generally lead to a pattern of lepton flavor violation (LFV) experimentally distinguishable from the one implied by models with grand unified theory scale LNV. As a consequence, muon LFV processes provide a powerful diagnostic tool to determine whether or not the effective neutrino mass can be deduced from the rate of neutrinoless double beta decay. We discuss the role of μeγ and μe conversion in nuclei, which will be studied with high sensitivity in forthcoming experiments.

© 2004 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.93.231802
DOI:
10.1103/PhysRevLett.93.231802
PACS:
14.60.Pq, 11.30.Hv, 23.40.Bw