Abstract:
The
\beta
-delayed
\gamma
decay properties of proton-rich nucleus
29S were studied with three double-sided silicon strip detectors surrounded by five high-purity germanium detectors on the HIRFL-RIBLL1 facility. The most precise half-life of
29S was obtained to be 183(4) ms in this experiment. The measurements of
\beta-delayed
\gamma rays of
29S were achieved for the first time and four
\beta-
\gamma rays were observed accurately. The
\beta-decay branching ratio for the low-lying excited states of
29P was determined and a partial decay scheme of
29S was established. Based on experimental data, the isospin symmetry breaking in the mirror decay process of the
29S→
29P/
29Al→
29Si was studied.
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