Bell, Nicole F. and Cirigliano, V. and Ramsey-Musolf, M. J. and Vogel, P. and Wise, Mark B. (2005) How Magnetic is the Dirac Neutrino? Physical Review Letters, 95 (15). Art. No. 151802. ISSN 0031-9007. https://resolver.caltech.edu/CaltechAUTHORS:BELprl05
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Abstract
We derive model-independent, "naturalness" upper bounds on the magnetic moments µnu of Dirac neutrinos generated by physics above the scale of electroweak symmetry breaking. In the absence of fine-tuning of effective operator coefficients, we find that current information on neutrino mass implies that |µnu|<~10-14 bohr magnetons. This bound is several orders of magnitude stronger than those obtained from analyses of solar and reactor neutrino data and astrophysical observations.
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| Additional Information: | © 2005 The American Physical Society (Received 26 April 2005; published 4 October 2005) This work was supported in part under U.S. DOE Contracts No. DE-FG02-05ER41361 and No. DE-FG03-92ER40701, and NSF Grant No. PHY-0071856. | ||||||||
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| Subject Keywords: | neutrino mass; neutrinos; neutrino magnetic moment; electroweak theories; spontaneous symmetry breaking; neutrino oscillations | ||||||||
| Issue or Number: | 15 | ||||||||
| Record Number: | CaltechAUTHORS:BELprl05 | ||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:BELprl05 | ||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||
| ID Code: | 1893 | ||||||||
| Collection: | CaltechAUTHORS | ||||||||
| Deposited By: | Archive Administrator | ||||||||
| Deposited On: | 22 Feb 2006 | ||||||||
| Last Modified: | 09 Mar 2020 13:18 |
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