作者: Mitsuo Sakai , Hidetsugu Ikegami , Toshimitsu Yamazaki , Kazuo Saito
DOI: 10.1016/0029-5582(65)90263-4
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摘要: Abstract The decay of Tl 200 was investigated by the use sector-type double-focussing beta-ray spectrometers for measurements conversion spectrum and means gamma-gamma electron-gamma coincidence directional correlation measurements; 86 electron lines were observed 63 gamma rays identified as belonging to Hg . Eleven new levels proposed at 1028.6 (2 + ), 1254.6 1643.2, 1846, 1970 (1 2085 ) 2112, 2267, 2286, 2358, 2380 keV besides known 368.0 947.4 (4 1574.8 1595.0 1733.0 (3 1776 1885 levels. spin parity level uniquely determined 4 is probably 2 member two-phonon triplet. discovery this revealed a close analogy with scheme 198