First spectroscopic study of ${}^{22}{Si}$

Publisher Website

1 August 1996

journal article
research article
Published by American Physical Society (APS) in Physical Review C

Vol. 54 (2) , 572-575
https://doi.org/10.1103/physrevc.54.572

Abstract

In an experiment at the LISE3 facility of GANIL, we produced the proton-rich isotope

{}^{22}{Si}

by the fragmentation of a

{}^{36}{Ar}

primary beam at 95 MeV/nucleon. After implantation in a detector telescope, we studied the decay of

{}^{22}{Si}

via a measurement of charged particles emitted during the decay. The most important β-delayed proton activity is observed at an energy of

E_{p}

= (1.99±0.05) MeV with a branching ratio of (20±2)%. The spectra allow us also to determine the half-life of

{}^{22}{Si}

to be

T_{1 / 2}

= (29±2) ms. These results are compared with theoretical estimates and model predictions. © 1996 The American Physical Society.

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