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Phys Rev Lett
; 85(1): 22-5, 2000 Jul 03.
Artículo
en Inglés
| MEDLINE
| ID: mdl-10991149
RESUMEN
We study the emission of two protons from nuclei where this is the only decay channel. A three-body model is developed. We compare the "diproton" model with the three-body calculations. We present exploratory studies of the 19Mg and 48Ni ground states, which are good candidates for two-proton radioactivity. The two-proton width for the 17Ne 3/2(-) state is also estimated. Our calculations give substantially lower values for the width than predicted by the diproton model, but larger than from direct decay to the continuum.
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