Search for second-class currents: measurement of the beta - gamma directional correlation in the A=20 system
Dupuis-Rolin, N.;Deutsch, J.P.;Favart, Denis;Prieels, René
(1978) Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics — Vol. 79B, n° 4-5, p. 359-362 (1978)
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Authors
Dupuis-Rolin, N.
Author
Deutsch, J.P.
Author
Favart, DenisUCLouvain
Author
Prieels, RenéUCLouvain
Author
Abstract
Beta-gamma directional correlation measurements performed on the mirror beta -decays of /sup 20/Na and /sup 20/F are found compatible with the absence of second-class currents. The corresponding amplitude is at most 12% of that for weak magnetism. For the time part of the first-class axial amplitude, the experiment yields a value about two times that calculated on the basis of the impulse approximation.
Dupuis-Rolin, N., Deutsch, J. P., Favart, D., & Prieels, R. (1978). Search for second-class currents: measurement of the beta - gamma directional correlation in the A=20 system. Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics, 79B(4-5), 359-362. https://hdl.handle.net/2078.5/86860 (Original work published 1978)