Table of Isotopes decay data

WWW Table of Radioactive Isotopes

230	Fr
87	Fr	143

Half life:

19.1 s 5

S_n (keV):

4.3E3 sy

ENSDF citation:

NDS 69,155 (1993)

Literature cut-off date:

31-Jan-1993

Author(s):

Y.A. Akovali

References since cut-off:

²³⁰Fr decay from 1993-98 (NSR)


Decay properties:
Mode	Branching (%)	Q-value (keV)	References
b^-	100	5.1E3 sy	87Ku04

Most Recent ENSDF Data (12/2002)
Mode	Data set name	Display data
b^-	230FR B- DECAY
	Tables:
	ENSDF data:
	Java applets:

TORI Data (1999) Gammas from ²³⁰Fr (19.1 s 5)
Eg (keV)	Ig (%)	Decay mode

57.1 1	0.020 7	b^-
57.4 1	0.65 7	b^-
129.1 1	11.0 8	b^-
192.5 1	1.87 19	b^-
264.5 2	0.40 4	b^-
266.5 2	0.25 3	b^-
323.1 2	0.39 3	b^-
333.1 2	0.30 3	b^-
336.2 2	0.231 22	b^-
338.9 3	0.110 22	b^-
375.8 2	0.64 7	b^-
385.5 3	0.176 22	b^-
500.8	<0.13	b^-
548.0 3	0.33 3	b^-
553.2 2	0.48 4	b^-
581.9 1	1.83 13	b^-
587.0 2	0.86 9	b^-
599.3 1	1.90 13	b^-
619.8 3	0.41 4	b^-
633.3 2	0.57 6	b^-
653.4 1	2.53 18	b^-
663.2 1	3.27 23	b^-
677.4 1	6.7 4	b^-
693.3	2.55 18	b^-
699.1 2	0.72 6	b^-
706.5 1	1.79 12	b^-
711.0 1	2.6 7	b^-
711.0 1	13.6 13	b^-
728.4 1	7.3 4	b^-
734.9 1	5.9 4	b^-
745.4 3	1.63 24	b^-
754.0 3	0.48 12	b^-
765.5 3	0.45 6	b^-
792.4 2	2.02 14	b^-
801.9 3	0.19 3	b^-
811.9 3	0.75 8	b^-
832.4 3	0.41 4	b^-
835.5 3	1.30 13	b^-
840.4 5	0.31 4	b^-
847.2 3	0.65 8	b^-
863.5 3	0.30 3	b^-
886.0 2	0.53 6	b^-
898.7 2	0.89 9	b^-
958.0 2	0.72 8	b^-
965.8 2	0.54 6	b^-
971.8 2	1.65 17	b^-
976.3 3	0.90 9	b^-
986.5 3	0.176 22	b^-
1002.2 3	1.49 15	b^-
1004.3 3	1.23 12	b^-
1018.8 3	0.50 6	b^-
1025.4 2	0.80 8	b^-
1033.8 5	0.33 6	b^-
1049.2 3	1.10 8	b^-
1086.9 5	0.33 6	b^-
1094.8 3	1.98 20	b^-
1101.2 2	1.55 12	b^-
1106.5 3	0.47 6	b^-
1111.8 3	0.73 8	b^-
1128.8 2	2.36 17	b^-
1154.6 2	1.69 12	b^-
1162.6 2	2.71 19	b^-
1191.6 5	0.45 6	b^-
1219.0 5	0.52 6	b^-
1223.4 3	1.55 15	b^-
1230.8 5	0.31 3	b^-
1236.6 3	1.18 12	b^-
1259.1 5	0.18 3	b^-
1270.2 2	1.19 12	b^-
1274.6 3	0.53 8	b^-
1294.0 2	1.38 14	b^-
1326.1 3	0.25 4	b^-
1330.2 5	0.20 6	b^-
1349.6 5	0.22 4	b^-
1365.1 5	0.26 6	b^-
1465.0 5	0.13 3	b^-
1473.7 5	0.20 7	b^-
1495.3 5	0.51 8	b^-
1519.9 5	0.23 4	b^-
1545.4 5	0.76 8	b^-
1562.4 5	0.53 8	b^-
1601.3 5	0.25 4	b^-
1605.1 5	0.37 6	b^-
1610.0 5	0.39 6	b^-
1615.8 5	0.44 7	b^-
1662.6 5	0.46 7	b^-
1702.0 3	0.90 9	b^-
1710.2 2	1.72 18	b^-
1737.5 5	0.52 6	b^-
1744.4 5	0.46 4	b^-
1750.5 5	0.26 4	b^-
1793.7 5	0.29 4	b^-
1839.3 5	0.35 6	b^-
1857.8 3	0.89 9	b^-
1869.4 3	2.6 3	b^-
1880.1 3	1.06 11	b^-
1883.9 5	0.25 6	b^-
1887.9 5	0.42 7	b^-
1908.3 5	0.21 3	b^-
1927.4 5	0.51 6	b^-
1947.7 3	1.60 17	b^-
1987.4 5	0.78 8	b^-
2013.7 5	0.75 8	b^-
2041.5 5	0.34 3	b^-
2093.1 5	0.85 9	b^-
2232.6 5	0.33 3	b^-
2376.5 5	0.45 4	b^-

Betas from ²³⁰Fr (19.1 s 5)
Eb endpoint (keV)	Ib (%)	Decay mode

3056.6	2.3 3	b^-
3095	5.9 7	b^-
3202.9	9.4 10	b^-
3577.5	1.75 25	b^-
3633.2	0.86 13	b^-
3758.9	1.69 21	b^-
3819	3.5	b^-
3888.3	1.21 15	b^-
3911.3	1.24 22	b^-
3941.6	3.2 4	b^-
3955.7	1.7 3	b^-
4066.2	2.3 3	b^-
4167.9	2.2 4	b^-
4207	1.9 3	b^-
4250.2	5.2 6	b^-
4314.2	8.1 10	b^-
4331.6	12.8 19	b^-
4365.2	9.3 12	b^-
4913.5	19 4	b^-
5042.6	3	b^-

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