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Measurement of the circular polarization of resonance-scattered gamma rays following the electron capture of Se75

Boehm, F. and Gallagher, C. J., Jr. (1960) Measurement of the circular polarization of resonance-scattered gamma rays following the electron capture of Se75. Physical Review, 119 (1). pp. 258-262. ISSN 0031-899X. http://resolver.caltech.edu/CaltechAUTHORS:BOEpr60

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Abstract

The circular polarization of the 265-kev γ rays following the mixed Gamow-Teller and Fermi electron-capture decay of Se75 into As75 has been measured. The neutrino momentum was fixed with the help of a resonance scattering process. From the experimentally determined degree of right-hand circular polarization of -0.21±0.15 it was concluded that the sign of the Gamow-Teller to Fermi matrix-element ratio in this beta decay is negative.


Item Type:Article
Additional Information:©1960 The American Physical Society. Received 8 February 1960. We wish to thank Dr. H. Weidenmuller and Dr. L. Kruger for many helpful discussions.
Record Number:CaltechAUTHORS:BOEpr60
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:BOEpr60
Alternative URL:http://dx.doi.org/10.1103/PhysRev.119.258
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:2695
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:19 Apr 2006
Last Modified:26 Dec 2012 08:50

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