44 Ar
18 26
Half life: 11.87 m 5
Jp: 0+
Decay mode: b-
Sn (keV): 8356 73
Sp (keV): 1.552E4 16
Prod. mode: Photon reaction
Literature cut-off date: 1-Jun-1990
Author(s): P.M. Endt
Update: 1-Dec-1993, T.W. Burrows
ENSDF citation: NP A521,1 (1990)

Decay properties

Mode Branching (%) Q-value (keV)
b- 100 3548 41

Gammas from 44Ar (11.87 m 5)

Eg (keV) Ig (%) Decay mode
137.1 0.13 b-
182.6 66 b-
382.9 0.5 b-
408.2 4.1 b-
426.5 2.6 b-
520.0 0.046 b-
531.3 0.13 b-
693.8 0.23 b-
809.3 1.9 b-
866.3 1.6 b-
884.9 7 0.033 b-
894.1 0.7 b-
911.1 2 0.15 b-
975.0 4 0.22 b-
1051.3 3.9 b-
1076.7 1.0 b-
1114.7 2.2 b-
1276.9 1.5 b-
1459.5 2.2 b-
1585.7 2 0.5 b-
1639.7 2 0.7 b-
1703.4 57 b-
1765.4 8 0.11 b-
1886.0 31 b-
2143.1 0.8 b-
2279.9 3 0.17 b-
2325.7 0.8 b-

Betas from 44Ar (11.87 m 5)

>Eb endpoint (keV) Ib (%) Decay mode
975,8 2.2 1 b-
1224,2 3.2 2 b-
1664 93.0 6 b-
2090,5 1.5 4 b-
3167,1 0.14 10 b-