Table of Isotopes decay data

WWW Table of Radioactive Isotopes

234m	Pa
91	Pa	143

Half life:

1.17 m 3

E(level):

73.92+x keV

Jp:

(0-)

S_n (keV):

5219 5

S_p (keV):

5682 5

Prod. mode:

Naturally occurring

ENSDF citation:

NDS 71,181 (1994)

Literature cut-off date:

1-Aug-1993

Author(s):

Y.A. Akovali

References since cut-off:

²³⁴Pa decay from 1993-98 (NSR)


Decay properties:
Mode	Branching (%)	Q-value (keV)
b^-	99.84 4	2195 5
IT	0.16 4
SF	<1E-9

Most Recent ENSDF Data (12/2002)
Mode	Data set name	Display data
b^-	234PA B- DECAY (1.17 M)
	Tables:
	ENSDF data:
	Java applets:
IT	234PA IT DECAY (1.17 M)
	Tables:
	ENSDF data:
	Java applets:

TORI Data (1999) Gammas from ^234mPa (1.17 m 3)
Eg (keV)	Ig (%)	Decay mode

10		IT
41.82 11		b^-
43.498 1		b^-
62.70 1	0.0012 4	b^-
73.92 2	0.013	IT
99.853 3		b^-
135.32 8	0.0000043 5	b^-
137.23 5	0.000047 18	b^-
140.15 2	0.00128 15	b^-
166.5 1	0.00000024 7	b^-
184.7 5	0.00170 15	b^-
192.91 7	0.00015 3	b^-
192.91 7	0.00056 16	b^-
197.91 15	0.000027 7	b^-
199.95 5	0.00057 12	b^-
203.12 3	0.00102 20	b^-
209.9 4	0.00131 15	b^-
233.6 2		b^-
234.6 2		b^-
235.9 3	0.00008 4	b^-
243.5 8	0.00050 10	b^-
247.79 7	0.000244 19	b^-
258.23 7	0.0728 4	b^-
275.04 10	0.00031 6	b^-
299.1 2	0.00064 13	b^-
310.52 10	0.000087 10	b^-
316.7 1	0.00018 5	b^-
338.1 8	0.00112 23	b^-
340.2 1	0.00007 3	b^-
357.5 10	0.00079 17	b^-
362.8 10	0.00068 15	b^-
387.6 8	0.00095 16	b^-
387.94 6	0.000465 20	b^-
427.4 4	0.000020 5	b^-
445.91 10	0.000030 7	b^-
450.93 4	0.00300 16	b^-
453.58 10	0.00190 16	b^-
456.7 10	0.00071 15	b^-
468.1 5	0.00230 16	b^-
475.75 10	0.00229 15	b^-
485.44 7	0.0000190 19	b^-
507.5 10	0.00156 15	b^-
509.2 8	0.0021 3	b^-
516.60 6	0.000013 3	b^-
526.02 10	0.0000092 12	b^-
543.98 10	0.00359 17	b^-
557.24 6	0.0000086 20	b^-
557.3 10	0.00071 16	b^-
572.0 10	0.00087 17	b^-
581.19 10	0.000081 10	b^-
625.66 7	0.000142 15	b^-
647.7 8	0.00156 15	b^-
649.0 10	0.00102 23	b^-
649.12 10	0.000041 8	b^-
655.3 10	0.00138 15	b^-
670.8 10	0.00037 9	b^-
673.9 10	0.00064 13	b^-
683.4 10	0.00057 12	b^-
691.08 10	0.0078 7	b^-
695.5 10	0.00156 15	b^-
699.0 10	0.00079 16	b^-
701.6 3	0.00708 17	b^-
705.9 1	0.0040 5	b^-
708.3 2	<0.0007	b^-
719.01 7	0.000026 3	b^-
732.5 10	0.00129 15	b^-
739.95 10	0.0117 3	b^-
742.81 3	0.080 4	b^-
750.12 6	0.000018 4	b^-
760.3 10	0.00156 15	b^-
760.53 15	0.0000043 9	b^-
766.38 2	0.294 12	b^-
781.37 10	0.00778 18	b^-
783.4 1	0.000038 7	b^-
786.27 3	0.0485 19	b^-
791.94 5	0.000010 3	b^-
805.80 5	0.0043 5	b^-
808.20 10	0.0030 3	b^-
810.0 5		b^-
818.2 5	0.0010 3	b^-
825.6 5	0.0014 3	b^-
844.1 8	0.00108 23	b^-
851.70 10	0.0062 6	b^-
866.8 10	0.00106 22	b^-
880.9 5	0.0038 5	b^-
883.24 4	0.0017 5	b^-
883.24 4	0.0018 3	b^-
887.28 10	0.00708 13	b^-
921.70 10	0.01269 14	b^-
926.72 10	0.00123 13	b^-
936.3 10	0.0018 5	b^-
941.94 10	0.00249 11	b^-
946.00 3	0.0099 10	b^-
960.0 10	0.0009 3	b^-
996.1 20	0.0041 7	b^-
1001.03 3	0.837 10	b^-
1041.7 2	0.00120 10	b^-
1059.4 8	0.00109 22	b^-
1061.86 10	0.00229 12	b^-
1083.2 1	0.00089 19	b^-
1085.4 2	0.00048 9	b^-
1120.6 8	0.00170 15	b^-
1125.7 5	0.0035 6	b^-
1126.8 1	0.00053 13	b^-
1174.2 10	0.00190 19	b^-
1193.77 3	0.01347 13	b^-
1220.37 10	0.00090 10	b^-
1237.22 4	0.00529 10	b^-
1353.0 15	0.00062 13	b^-
1391.87 4	0.00344 20	b^-
1414.0 4	0.00229 10	b^-
1435.36 4	0.00968 13	b^-
1458.5 15	0.0018 5	b^-
1501 2	~0.0013	b^-
1510.5 5	0.01287 16	b^-
1527.21 4	0.00239 9	b^-
1550.0 10	0.00184 15	b^-
1554.1 5	0.00808 13	b^-
1558.31 4	0.00075 16	b^-
1570.68 4	0.00110 8	b^-
1593.88 10	0.00269 10	b^-
1601.80 4	0.00047 22	b^-
1667.6 10	0.00082 17	b^-
1694.1 10	0.00045 9	b^-
1720.5 15	0.00032 15	b^-
1732.2 15	0.0018 3	b^-
1737.73 10	0.0211 3	b^-
1759.81 10	0.0014 7	b^-
1765.44 10	0.00868 13	b^-
1796.2 10	0.00031 6	b^-
1809.04 10	0.00369 8	b^-
1819.69 10	0.00090 7	b^-
1831.5 5	0.0172 3	b^-
1863.09 15	0.00120 6	b^-
1867.68 10	0.00918 13	b^-
1875.5 5	0.00818 13	b^-
1893.50 10	0.00218 7	b^-
1911.17 10	0.00628 10	b^-
1926.5 10	0.00044 9	b^-
1937.01 10	0.00289 7	b^-
1970.0 15	0.00055 12	b^-

X-rays from ^234mPa (1.17 m 3)
E (keV)	I (%)	Assignment

11.372	0.00129 18	Pa L_l
11.620	0.017 3	U L_l
13.127	0.00216 24	Pa L_a2
13.291	0.0194 21	Pa L_a1
13.442	0.028 4	U L_a2
13.618	0.25 4	U L_a1
14.953	2.0E-04 3	Pa L_h
15.350	0.00036 4	Pa L_b6
15.400	0.0054 9	U L_h
15.727	0.0046 7	U L_b6
16.007	0.0051 6	Pa L_b2
16.104	0.0057 10	Pa L_b4
16.410	0.065 10	U L_b2
16.577	0.0084 19	U L_b4
16.639	0.00104 11	Pa L_b5
16.708	0.0075 12	Pa L_b1
16.931	0.0053 9	Pa L_b3
17.068	0.0137 21	U L_b5
17.222	0.20 4	U L_b1
17.454	0.0076 18	U L_b3
19.571	0.0018 3	Pa L_g1
19.888	0.0023 4	Pa L_g2
20.101	0.0022 4	Pa L_g3
20.169	0.049 9	U L_g1
20.217	0.00038 6	Pa L_g6
20.487	0.0034 8	U L_g2
20.715	0.0033 8	U L_g3
20.844	0.0103 20	U L_g6
93.844	0.00050 6	U K_a3
94.654	0.143 16	U K_a2
98.434	0.23 3	U K_a1
110.421	0.028 3	U K_b3
111.298	0.054 6	U K_b1
111.964	0.00200 24	U K_b5
114.445	0.0209 24	U K_b2
114.844	0.0075 9	U K_b4

Betas from ^234mPa (1.17 m 3)
Eb endpoint (keV)	Ib (%)	Decay mode

299.02	0.0040 3	b^-
331.92	0.00586 19	b^-
357.75	0.0448 10	b^-
393.72	0.0254 4	b^-
405.78	0.0039 5	b^-
459.92	0.0166 7	b^-
472.22	0.0028 6	b^-
487.69	0.0356 21	b^-
575.12	0.0025 4	b^-
601.52	0.0056 6	b^-
667.12	0.0013 3	b^-
676.62	0.0267 8	b^-
698.23	0.0004 19	b^-
715.18	0.0324 8	b^-
768.92	0.0125 11	b^-
833.56	0.0096 5	b^-
1031.68	0.0150 8	b^-
1094.72	0.008 4	b^-
1142.24	0.005	b^-
1224.39	1.007 14	b^-
1417.22	0.010 9	b^-
1459.04	0.69 6	b^-
1482.63	0.032 5	b^-
2268.92	98.20 20	b^-

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