Elsevier

Nuclear Physics A

Volume 274, Issues 1–2, 7–14 December 1976, Pages 45-52
Nuclear Physics A

Beta-delayed neutron emission following the decay of 17N

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Abstract

The delayed neutron spectrum following β decay of the 4.17 sec 17N has been measured with high-resolution 3He spectrometers. The intensities of the neutron branches from levels in 17O at 4549.3 ± 1.3, 5081 ± 21, 5387.1 ± 1.2 and 5949.9 ± 1.9 keV excitation energy result in 17N β transitions of (34.8 ± 2.6), (0.6 ± 0.4), (52.7 ± 3.5) and (7.0 ± 0.5)%, respectively. The neutron widths of these states were determined as 54.8 ± 0.4, 113 ± 55, 63.2±1.1 and 60.5 ± 3.2 keV, respectively, in disagreement with previously reported values. The results are compared with theoretical calculations and with the mirror decay of 17Ne.

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