https://doi.org/10.1140/epja/i2013-13079-6
Regular Article - Experimental Physics
High-statistics measurement of the
-delayed
spectrum of 20Na
19910
Department of Physics and Astronomy, Aarhus University, DK-8000, Aarhus C, Denmark
29910
Department of Physics, University of Jyväskylä, FIN-40351, Jyväskylä, Finland
39910
Instituto de Estructura de la Materia, CSIC, Serrano 113 bis, E-28006, Madrid, Spain
* e-mail: klj06@phys.au.dk
Received:
12
April
2013
Revised:
31
May
2013
Accepted:
8
June
2013
Published online:
27
June
2013
A measurement of the 20Na -delayed alpha spectrum with a high-granularity setup has allowed the decay scheme to be revised on several points. Three new transitions of low intensity are found at low
-particle energy. An R-matrix fit of the complete spectrum gives an improved description of the decay and indicates feeding to the broad 2+
-cluster state close to 9MeV.
© SIF, Springer-Verlag Berlin Heidelberg, 2013