31 Si
14 17
Half life: 157.3 m 3
Jp: 3/2+
Decay mode: b-
Sn (keV): 6587.40 5
Sp (keV): 14366 14
Prod. mode: Fast neutron activation
Thermal 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 1492.03 19

Gammas from 31Si (157.3 m 3)

Eg (keV) Ig (%) Decay mode
1266.12 11 0.07 b-

X-rays from 31Si (157.3 m 3)

E (keV) I (%) Assignment
2,009 2.5E-08 3 P Ka2
2,010 5.1E-08 5 P Ka1
2,136 1.53E-09 16 P Kb1
2,136 7.7E-10 8 P Kb3

Betas from 31Si (157.3 m 3)

>Eb endpoint (keV) Ib (%) Decay mode
225,88 0.07 b-
1492,03 100 b-