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<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>β</mml:mi></mml:math> decay and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>β</mml:mi></mml:math> -delayed neutron decay of the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>N</mml:mi><mml:mo>=</mml:mo><mml:mn>82</mml:mn></mml:mrow></mml:math> nucleus <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>In</mml:mi><mml:mn>82</mml:mn><mml:none /><mml:…
The half-lives of three $\ensuremath{\beta}$-decaying states of $_{49}^{131}\mathrm{In}_{82}$ have been measured with the GRIFFIN $\ensuremath{\gamma}$-ray spectrometer at the TRIUMF-ISAC facility to be ${T}_{1/2}(1/{2}^{\ensuremath{-}})=328(15)\phantom{\rule{0.16em}{0ex}}\mathrm{ms}$, ${T}_{1/2}(9/{2}^{+})=265(8)\phantom{\rule{0.16em}{0ex}}\mathrm{ms}$, and ${T}_{1/2}(21/{2}^{+})=323(55)\phantom{\rule{0.16em}{0ex}}\mathrm{ms}$, respectively. The first observation of $\ensuremath{\gamma}$ rays following the $\ensuremath{\beta}n$ decay of $^{131}\mathrm{In}$ into $^{130}\mathrm{Sn}$ is reported. The $\ensuremath{\beta}$-delayed neutron emission probability is determined …