40 Ar
18 22
Half life: stable
Jp: 0+
Decay mode:
Sn (keV): 9869 5
Sp (keV): 12528.2 17
Abundance: 99.600 3 %
Prod. mode: Naturally occurring
Literature cut-off date: 1-Jun-1990
Author(s): P.M. Endt
Update: Unknown, J. Tuli
ENSDF citation: NP A521,1 (1990)