Table of Isotopes decay data

WWW Table of Radioactive Isotopes

139	I
53	I	86

Half life:

2.29 s 2

Jp:

(7/2+)

S_n (keV):

4616 85

S_p (keV):

1.020E4 sy

Prod. mode:

Fission product

ENSDF citation:

NDS 57,337 (1989)

Literature cut-off date:

17-Apr-1989

Author(s):

T.W. Burrows

References since cut-off:

¹³⁹I decay from 1989-98 (NSR)


Decay properties:
Mode	Branching (%)	Q-value (keV)	References
b^-	100	6806 23	85WaZQ 85Ro13 80KeZQ
b^-n	9.9 8		81Ho07 74Ru07

Most Recent ENSDF Data (12/2002)
Mode	Data set name	Display data
b^-	139I B- DECAY
	Tables:
	ENSDF data:
	Java applets:

TORI Data (1999) Gammas from ¹³⁹I (2.29 s 2)
Eg (keV)	Ig (%)	Decay mode

22.8 2	0.45*	b^-
31.7 2	8 1*	b^-
84.8 2	2*	b^-
87.4 2	1*	b^-
165.8 2	8*	b^-
249.5 2	1*	b^-
329.6 2	1*	b^-
384.0 2	1*	b^-
389.1 2	8*	b^-
427.2 2	1*	b^-
440.0 2	1*	b^-
448.9 2	1*	b^-
467.1 2	1*	b^-
473.0 2	3*	b^-
483.700 24	1.7	b^-n
513.0 2	4*	b^-
527.7 2	100 3*	b^-
536.6 2	67 2*	b^-
571.2 3	98 3*	b^-
588.825 18	6	b^-n
592.6 2	29 1*	b^-
601.5 2	24 1*	b^-
624.3 2	2*	b^-
634.0 2	2*	b^-
638.5 2	6*	b^-
647.1 2	16*	b^-
656.0 2	58 2*	b^-
670.4 2	3*	b^-
675.7 2	1*	b^-
719.1 2	3*	b^-
730.0 2	7*	b^-
752.9 2	2*	b^-
763.3 2	2*	b^-
769.8 2	13*	b^-
774.1 2	7*	b^-
781.9 2	2*	b^-
806.4 2	1*	b^-
822.8 2	4*	b^-
824.8 2	3*	b^-
837.4 2	1*	b^-
849.5 2	3*	b^-
854.4 2	50 2*	b^-
875.23 13	0.46	b^-n
899.4 2	1*	b^-
933.9 2	4*	b^-
976.4 2	50 2*	b^-
985.4 2	18 1*	b^-
1005.6 2	5*	b^-
1027.3 2	3*	b^-
1036.3 2	22 1*	b^-
1059.4 2	2*	b^-
1077.0 2	10*	b^-
1124.5 2	2*	b^-
1129.9 2	2*	b^-
1137.2 2	1*	b^-
1146.9 2	2*	b^-
1149.8 2	6*	b^-
1161.4 2	9*	b^-
1170.4 2	3*	b^-
1193.3 2	4*	b^-
1212.2 2	1*	b^-
1268.8 2	1*	b^-
1272.2 2	2*	b^-
1280.9 2	1*	b^-
1282.9 2	2*	b^-
1293.2 2	1*	b^-
1304.7 2	7*	b^-
1351.2 2	2*	b^-
1367.4 2	5*	b^-
1376.9 2	5*	b^-
1399.6 2	3*	b^-
1412.6 2	13*	b^-
1421.9 2	4*	b^-
1425.6 2	14*	b^-
1431.5 2	6*	b^-
1441.5 2	2*	b^-
1458.2 2	1*	b^-
1464.0 2	0.032	b^-n
1468.1 2	3*	b^-
1486.5 2	3*	b^-
1499.5 2	0*	b^-
1546.4 2	8*	b^-
1577.2 2	2*	b^-
1628.7 2	0*	b^-
1652.5 2	4*	b^-
1661.5 2	20 1*	b^-
1714.1 2	2*	b^-
1746.8 2	4*	b^-
1755.9 2	2*	b^-
1786.1 2	2*	b^-
1800.5 2	5*	b^-
1823.5 2	2*	b^-
1829.1 2	3*	b^-
1862.8 2	4*	b^-
1871.6 2	0*	b^-
1947.0 2	2*	b^-
2023.4 2	3*	b^-
2115.7 2	7*	b^-
2151.4 2	2*	b^-
2261.6 2	3*	b^-
2429.9 2	2*	b^-
2735.5 2	1*	b^-
2866.5 2	2*	b^-
2898.1 2	2*	b^-
3265.8 2	4*	b^-
* Relative intensity

Betas from ¹³⁹I (2.29 s 2)
Eb endpoint (keV)	Ib (%)	Decay mode

3306	10	b^-

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