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Phys. Rev. D 69, 011301 (2004) [4 pages]

Neutrino mass and the SU(2)R breaking scale

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Ernest Ma
Physics Department, University of California, Riverside, California 92521, USA

Rapid Communication Received 8 September 2003; published 28 January 2004

The neutrino sector in a left-right extension of the standard model depends on how SU(2)R is broken. I list all possible scenarios, including the ones where the Majorana νR mass is naturally much smaller than the SU(2)R breaking scale, which is desirable for generating the proper baryon asymmetry of the Universe. The best such choice is identified and discussed.


©2004 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevD.69.011301
DOI: 10.1103/PhysRevD.69.011301
PACS: 14.60.Pq, 12.60.Cn, 98.80.Cq

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