Table of Isotopes decay data

WWW Table of Radioactive Isotopes

142	Ba
56	Ba	86

Half life:

10.6 m 2

Jp:

0+

S_n (keV):

6169 10

S_p (keV):

10638 12

Prod. mode:

Fission product

ENSDF citation:

NDS 63,647 (1991)

Literature cut-off date:

31-Jul-1989

Author(s):

L.K. Peker

Update:

1-Mar-1997, R.B. Firestone

References since cut-off:

¹⁴²Ba decay from 1997-98 (NSR)


Decay properties:
Mode	Branching (%)	Q-value (keV)
b^-	100	2211 5

Most Recent ENSDF Data (12/2002)
Mode	Data set name	Display data
b^-	142BA B- DECAY
	Tables:
	ENSDF data:
	Java applets:

TORI Data (1999) Gammas from ¹⁴²Ba (10.6 m 2)
Eg (keV)	Ig (%)	Decay mode

8.7		b^-
63.6 1	0.090 12	b^-
68.3 1	0.078 10	b^-
68.3 1	0.082 18	b^-
69.7 1	0.262 12	b^-
77.594 3	9.5 3	b^-
79.8 5	0.037 12	b^-
84.0 5	0.031 10	b^-
123.0 1	0.92 3	b^-
130.0 5	0.061 16	b^-
147.5 5	0.074 12	b^-
153.1 1	0.086 20	b^-
154.6 1	0.48 3	b^-
162.3 1	0.113 8	b^-
172.6 3	0.037 14	b^-
177.0 1	1.72 4	b^-
215.7 2	0.10 4	b^-
216.6 1	0.21 4	b^-
220.2 2	0.066 12	b^-
222.8 1	0.322 10	b^-
231.611 10	12.12 25	b^-
242.9 2	0.18 4	b^-
253.7 1	0.53 4	b^-
255.300 12	20.5 5	b^-
257.5 1	0.14 3	b^-
269.5 1	0.92 8	b^-
283.5 2	0.29 8	b^-
286.3 1	1.11 8	b^-
309.2 1	2.58 8	b^-
335.0 1	1.466 12	b^-
337.7 2	0.310 23	b^-
340.5 7	0.025 20	b^-
346.8 2	0.133 12	b^-
354.7 5	0.049 16	b^-
356.8 5	0.082 25	b^-
363.96 3	4.71 14	b^-
379.4 1	0.576 12	b^-
380.0 5	0.066 23	b^-
412.7 5	0.06 3	b^-
417.8 2	0.37 4	b^-
425.036 31	5.72 10	b^-
432.3 1	1.02 8	b^-
434.4 1	0.45 6	b^-
448.3 1	0.248 14	b^-
457.1 1	0.373 14	b^-
473.4 1	0.416 14	b^-
488.3 2	0.092 14	b^-
537.2 2	0.070 12	b^-
557.7 1	0.246 10	b^-
577.7 2	0.068 10	b^-
588.4 2	0.090 14	b^-
590.7 1	0.310 14	b^-
599.8 1	1.841 20	b^-
604.3 2	0.418 20	b^-
620.3 3	0.049 12	b^-
622.8 2	0.066 12	b^-
649.3 2	0.070 12	b^-
654.6 2	0.088 12	b^-
660.9 1	0.225 12	b^-
674.4 6	0.07 3	b^-
674.7 7	0.07 3	b^-
714.4 4	0.041 14	b^-
769.4 1	0.752 18	b^-
771.9 2	0.094 14	b^-
786.6 2	0.189 14	b^-
791.6 2	0.084 14	b^-
823.4 3	0.29 10	b^-
840.4 1	3.61 12	b^-
853	0.031 16	b^-
895.2 1	13.9 4	b^-
907.2 4	0.041 14	b^-
931.6 4	0.08 6	b^-
932.6 9	0.08 6	b^-
934	0.031 16	b^-
949.1 1	10.6 3	b^-
984.5 3	0.074 14	b^-
1001.2 1	9.72 25	b^-
1033.0 1	0.342 14	b^-
1040	0.08 3	b^-
1078.7 1	11.5 3	b^-
1094.1 1	2.81 12	b^-
1114.4 4	0.10 4	b^-
1122.9 1	0.392 16	b^-
1126.8 1	1.50 12	b^-
1148.7 1	0.498 18	b^-
1202.4 1	5.54 21	b^-
1204.3 1	14.23 23	b^-
1230.2 2	0.084 8	b^-
1283.6 3	0.066 12	b^-
1380.2 1	3.40 16	b^-

X-rays from ¹⁴²Ba (10.6 m 2)
E (keV)	I (%)	Assignment

4.121	0.10 5	La L_l
4.529	0.050 23	La L_h
4.634	0.27 13	La L_a2
4.651	2.5 11	La L_a1
5.042	1.8 8	La L_b1
5.062	0.5 4	La L_b4
5.143	0.8 6	La L_b3
5.212	0.021 10	La L_b6
5.384	0.51 24	La L_b2
5.483	0.0052 24	La L_b5
5.792	0.27 12	La L_g1
5.891	0.0029 13	La L_g6
6.061	0.13 11	La L_g2
6.075	0.19 16	La L_g3
32.658	0.00100 10	La K_a3
33.034	7.0 7	La K_a2
33.442	12.8 13	La K_a1
37.720	1.21 12	La K_b3
37.801	2.33 24	La K_b1
38.084	0.028 3	La K_b5
38.726	0.76 8	La K_b2
38.826	0.182 19	La K_b4

Betas from ¹⁴²Ba (10.6 m 2)
Eb endpoint (keV)	Ib (%)	Decay mode

671.7	0.28 5	b^-
753.1	15.4 6	b^-
1006.65	46 2	b^-
1132.29	22 1	b^-
1778.7	4.3 2	b^-
1786.01	5.4 2	b^-
1875.98	0.3 1	b^-
1955.7	3.5 7	b^-

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