Talk:Isotopes of curium

Latest comment: 5 months ago by 129.104.241.214 in topic Possible β− decay of 247Cm

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Possible β− decay of 247Cm edit

Should it be noted that 247Cm is theorized to undergo β− decay? Of course, the decay energy is very small (around 43.8 keV, lower than possible electron capture of 123Te).

Comparison of the four odd-mass nuclides that are nearly beta-stable
Decay process Qβ (keV) Spin change Half-life (a)
113Cd → 113In 320.34 1/2+ → 9/2+JΔπ = 4+, 4 forbidden non-unique) 8.04×1015
115In → 115Sn 499.36 9/2+ → 1/2+JΔπ = 4+, 4 forbidden non-unique) 4.41×1014
123Te → 123Sb 52.22 1/2+ → 7/2+JΔπ = 3+, 2 forbidden unique) (4.2−7.2)×1019 (predicted)
247Cm → 247Bk 43.8 9/2 → 3/2JΔπ = 3+, 2 forbidden unique) ?

129.104.241.214 (talk) 19:00, 3 November 2023 (UTC)Reply