Kinematic Shifts in the $β$ -Delayed Particle Decay of ${}^{20}{Na}$ , and the $β - ν$ Angular Correlation

Publisher Website

3 January 1983

journal article
research article
Published by American Physical Society (APS) in Physical Review Letters

Vol. 50 (1) , 23-26
https://doi.org/10.1103/physrevlett.50.23

Abstract

Kinematic shifts of

α

particles from the

β

-delayed particle decay of

{}^{20}{Na}

were measured in a coincidence experiment.

β - ν - α

triple correlation coefficients were determined. Limits on isospin mixing amplitudes were deduced for states in

{}^{20}{Ne}

. The vector weak-coupling constant was deduced from the superallowed

J^{π} = 2^{+} \to 2^{+}

β

decay of

{}^{20}{Na}

to be

{G_{V}}^{'} = (1.365 \pm 0.037) \times 10^{- 49}

erg

{cm}^{3}

.

Keywords

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