37 K
19 18
Half life: 1.226 s 7
Jp: 3/2+
Decay mode: e+b+
Sn (keV): 15445 8
Sp (keV): 1857.77 9
Prod. mode: Charged particle reaction
Literature cut-off date: 1-Jun-1990
Author(s): P.M. Endt
Update: 1-Jan-1997, R.B. Firestone
ENSDF citation: NP A521,1 (1990)

Decay properties

Mode Branching (%) Q-value (keV)
e+b+ 100 6148.8 4

Gammas from 37K (1.226 s 7)

Eg (keV) Ig (%) Decay mode
2796.0 1.8 3 e+b+
3601.8 0.019 3 e+b+

X-rays from 37K (1.226 s 7)

E (keV) I (%) Assignment
0,251 1E-05 3 Ar Lb1
0,310 2.6E-06 9 Ar Lb4
0,310 4.1E-06 14 Ar Lb3
2,880 3.3E-10 4 Ar Ka3
2,955 0.0031 3 Ar Ka2
2,957 0.0062 6 Ar Ka1
3,190 0.00025 3 Ar Kb3
3,190 0.00049 5 Ar Kb1

Betas from 37K (1.226 s 7)

>Eb endpoint (keV) Ib (%) Decay mode
1524,8 0.018 3 b+
2330,7 1.8 3 b+
2546,8 0.00056 9 e
3352,7 0.015 3 e
5126,8 98.1 3 b+
6148,8 0.077 1 e