div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: Radioactivation Analysis of Oxygen in Silicon by Irradiation with α-Particles in a Cyclotron src=https:reader031fdocumentorgreader031viewer2022020522575068191a28ab0f07ae9704html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divp© Nature Publishing Group1961pdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: Radioactivation Analysis of Oxygen in Silicon by Irradiation with α-Particles in a Cyclotron src=https:reader031fdocumentorgreader031viewer2022020522575068191a28ab0f07ae9704html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divp© Nature Publishing Group1961pdiv