Bell, Nicole F. and Cirigliano, V. and Ramsey-Musolf, M. J. and Vogel, P. and Wise, Mark B. (2006) Magnetic Moments of Dirac Neutrinos. In: International Conference on Particles and Nuclei (17th : 2005 : Santa Fe, NM, 23-30 October 2005. AIP Conference Proceedings. No.842. American Institute of Physics , Melville, NY, pp. 874-876. ISBN 0-7354-0338-4. http://resolver.caltech.edu/CaltechAUTHORS:BELaipcp06b
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Abstract
The existence of a neutrino magnetic moment implies contributions to the neutrino mass via radiative corrections. We derive model-independent "naturalness" upper bounds on the magnetic moments of Dirac neutrinos, generated by physics above the electroweak scale. The neutrino mass receives a contribution from higher order operators, which are renormalized by operators responsible for the neutrino magnetic moment. This contribution can be calculated in a model independent way. In the absence of fine-tuning, we find that current neutrino mass limits imply that µv < 10^–14 Bohr magnetons. This bound is several orders of magnitude stronger than those obtained from solar and reactor neutrino data and astrophysical observations.
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| Additional Information: | © 2006 American Institute of Physics. This work was supported in part under U.S. DOE contracts DE-FG02-05ER41361 and DE-FG03-92ER40701, and NSF grant PHY-0071856. | ||||||||
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| Subject Keywords: | lepton magnetic moment; neutrino mass | ||||||||
| Record Number: | CaltechAUTHORS:BELaipcp06b | ||||||||
| Persistent URL: | http://resolver.caltech.edu/CaltechAUTHORS:BELaipcp06b | ||||||||
| Alternative URL: | http://dx.doi.org/10.1063/1.2220408 | ||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||
| ID Code: | 8665 | ||||||||
| Collection: | CaltechAUTHORS | ||||||||
| Deposited By: | Archive Administrator | ||||||||
| Deposited On: | 03 Sep 2007 | ||||||||
| Last Modified: | 20 Apr 2016 20:47 |
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