Half-life and magnetic moment of the first excited state in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mmultiscripts><mml:mi mathvariant="normal">I</mml:mi><mml:mprescripts /><mml:none /><mml:mrow><mml:mn>132</mml:mn></mml:mrow></mml:mmultiscripts></mml:math>

谷垣, 実, Izumi, S, Ouchi, H, Sasaki, A, Miyashita, Y, Sato, N, Hoshino, S, Shimada, K, Wakui, T, Shinozuka, T, Ohkubo, Y

doi:10.1103/physrevc.80.034304

Half-life and magnetic moment of the first excited state in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mmultiscripts><mml:mi mathvariant="normal">I</mml:mi><mml:mprescripts /><mml:none /><mml:mrow><mml:mn>132</mml:mn></mml:mrow></mml:mmultiscripts></mml:math>

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Half-life and magnetic moment of the first excited state in I132

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The half-life and the magnetic moment were measured for the first excited state in 132I, of which the inconsistent results on the half-life have been reported by several other groups. This time, measurements were performed on 132I obtained as a decay product of a 132Te radioactive beam from the ion guide at Tohoku University. The half-life of this level was determined to be T1/2=1.120±0.015 ns using a conventional coincidence technique with a pair of BaF2 detectors. The time-differential perturbed angular correlation technique was successfully applied to the first excited state in 132I implanted into nickel foils. The magnetic moment of this state was determined to be µ=+(2.06±0.18)µN. The present results are consistent with values reported by Gorodetzky et al. and Singh et al.