Observation of internal-conversion electrons emitted from <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Th</mml:mi><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>229</mml:mn><mml:mi mathvariant="normal">m</mml:mi></mml:mrow></mml:mmultiscripts></mml:math> produced by β decay of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Ac</mml:mi><mml:mprescripts/><mml:none/><mml:mn>229</mml:mn></mml:mmultiscripts></mml:math>Yudai Shigekawa, Akira Shinohara, Eisuke Watanabe et al.|Physical Review C|2019Cited by 7