Beta-neutrino angular correlation in the decay of Ne-18
- Egorov, V.
- Briançon, C.
- Brudanin, V.
- Dionisio, J
- Deutsch, Jules
- Gorozhankin, V
- Gurov, Y
- Prieels, René
- Sandukovsky, V
- Severijns, N.
- Simoes, M
- Shitov, Y
- Vieu, C
- Vorobel, V.
- Vylov, T.
- Yutlandov, I.
- Zaparov, S
DOIAbstract
The presence of a scalar interaction in nuclear beta-decay was studied by measuring the beta-neutrino correlation coefficient alpha in the superallowed pure Fermi beta-transition Ne-18(O+) --> F-18(O+, 1040 keV) (T-1/2 = 1.67 s). The resulting value, i.e. alpha = + 1.06 +/- 0.19 (error quoted at 2 sigma), corresponds to the limit root/C-s/(2) + C-s'(2) less than or equal to 0.29C-v (95%) CL for the scalar coupling constant. (C) 1997 Elsevier Science B.V
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