26 Na
11 15
Half life: 1.072 s 9
Jp: 3+
Decay mode: b-
Sn (keV): 5616 14
Sp (keV): 12133 47
Prod. mode: Fast neutron activation
Literature cut-off date: 1-Jun-1990
Author(s): P.M. Endt
ENSDF citation: NP A521,1 (1990)

Decay properties

Mode Branching (%) Q-value (keV)
b- 100 9312 14

Gammas from 26Na (1.072 s 9)

Eg (keV) Ig (%) Decay mode
815.2 0.042 15 b-
1002.4 1.4 2 b-
1129.67 10 5.3 3 b-
1365.5 0.26 4 b-
1393.8 0.17 4 b-
1411.6 2.0 2 b-
1774.6 0.27 4 b-
1775 1.5 2 b-
1808.65 7 99.0 4 b-
1895.8 2.2 2 b-
1961.8 0.03 2 b-
2132.0 0.77 8 b-
2184 0.17 4 b-
2509.6 0.54 14 b-
2523.4 1.4 2 b-
2541.2 2.5 2 b-
2777.0 0.13 2 b-
2938 0.59 7 b-
3025.4 0.11 3 b-
3091.4 0.31 10 b-
4331.8 0.13 4 b-
4833.8 0.30 6 b-

X-rays from 26Na (1.072 s 9)

E (keV) I (%) Assignment
1,254 1.50E-05 16 Mg Ka2
1,254 3.0E-05 3 Mg Ka1

Betas from 26Na (1.072 s 9)

>Eb endpoint (keV) Ib (%) Decay mode
3187 1.7 2 b-
3596,5 0.7 1 b-
4411,7 0.3 1 b-
4477,7 2.7 2 b-
4962 2.7 3 b-
4979,8 1.7 2 b-
4993,6 0.54 14 b-
5371,2 1.6 2 b-
6373,59 0.2 b-
7503,28 88.1 4 b-