Abstract
The β–ν angular correlation in the β+ decay of 18Ne and 14O has been investigated using a new experimental technique. The technique is based on the precise measurement of the energy Doppler shift of a γ-quantum following the β± decay. The measurement with the 18Ne isotope gives the β–ν angular correlation coefficient α = +1.06 ±0.19 which corresponds to a constraint on the scalar interaction of √{|C_S|2+|C'_S|2} ≤ 0.29|C V|. An inter-atomic interaction between the 14O daughter atom (14N) and a CO complex has been studied in a measurement with the 14O isotope.
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Vorobel, V., Egorov, V., Brudanin, V. et al. Investigation of β–ν Angular Correlation in the β+ Decay of 18Ne and 14O. Czechoslovak Journal of Physics 52, 547–556 (2002). https://doi.org/10.1023/A:1015365511995
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DOI: https://doi.org/10.1023/A:1015365511995