Talk:Isotopes of terbium

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Possible alpha decay of 155Tb and 157Tb
The alpha decay energy of 155Tb (N = 90) is only 0.98 MeV, so the expected alpha half-life is very long. The decay energy is lower than 1.96 MeV of its alpha product 151Eu, 1.60 MeV of its double alpha product 147Pm and 1.73 MeV of its triple alpha product 143Pr. 129.104.241.214 (talk) 01:04, 3 March 2024 (UTC) Cristiano Toàn (talk) 05:01, 27 May 2024 (UTC) The alpha decay energy of 157Tb is even lower only about 0.18 MeV thus the half-life would be very long