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Phys. Rev. D 62, 051301(R) (2000) [5 pages]

Seesaw model and its Lorentz group formulation

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T. K. Kuo*
Department of Physics, Purdue University, West Lafayette, Indiana 47907

Guo-Hong Wu†
Institute of Theoretical Science, University of Oregon, Eugene, Oregon 97403

Shao-Hsuan Chiu‡
Department of Physics, Purdue University, West Lafayette, Indiana 47907

Received 20 March 2000; published 4 August 2000

For two flavors, the seesaw matrix can be identified with a two dimensional representation of the Lorentz group. This analogy facilitates the computation of physical neutrino parameters, while giving an intuitive understanding of the results. It is found that the induced mixing angle exhibits resonance behavior. For maximal mixing, we derive a precise relation among the right-handed mixing angle, the Majorana mass ratio, and their phase.

© 2000 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevD.62.051301
DOI:
10.1103/PhysRevD.62.051301
PACS:
14.60.Pq, 11.30.Cp, 12.15.Ff, 14.60.St

*Email address: tkkuo@physics.purdue.edu

†Email address: wu@dirac.uoregon.edu

‡Email address: chiu@physics.purdue.edu

 
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