Table of Isotopes decay data

WWW Table of Radioactive Isotopes

147	La
57	La	90

Half life:

4.015 s 8

Jp:

(5/2+)

S_n (keV):

6.10E3 11

S_p (keV):

9.42E3 11

Prod. mode:

Fission product

ENSDF citation:

NDS 66,705 (1992)

Literature cut-off date:

1-Apr-1992

Author(s):

E. derMateosian and L.K. Peker

Update:

1-Jan-1997, R.B. Firestone

References since cut-off:

¹⁴⁷La decay from 1997-98 (NSR)


Decay properties:
Mode	Branching (%)	Q-value (keV)	References
b^-	100	4945 55	88RoZN 87RoZW
b^-n	0.035 6

Most Recent ENSDF Data (12/2002)
Mode	Data set name	Display data
b^-	147LA B- DECAY
	Tables:
	ENSDF data:
	Java applets:

TORI Data (1999) Gammas from ¹⁴⁷La (4.015 s 8)
Eg (keV)	Ig (%)	Decay mode

58.7 3	0.11	b^-
69.15 6	0.46 6	b^-
97.4 3	0.6 3	b^-
117.718 6	12	b^-
118		b^-
141.84 2	0.14 4	b^-
152.1		b^-
152.1 3	0.19 10	b^-
155.86 2	<0.12	b^-
156.41 2	0.61 7	b^-
159.85 2	0.64 7	b^-
161.5		b^-
170.54 2	<0.12	b^-
175.1 3		b^-
186.320 7	6.48 12	b^-
207.48 2	0.02 6	b^-
211.9 3		b^-
215.37 2	2.76 24	b^-
215.52 2	0.53 10	b^-
215.52 2	3.48 24	b^-
217.89 2	0.38 4	b^-
225.32 2	0.408 12	b^-
235.93 2	2.472 12	b^-
246.45 2	0.37 6	b^-
254.3 3		b^-
272.76 2	0.060 12	b^-
274.16 2	2.3 5	b^-
280.13 2	0.47 10	b^-
283.400 16	2.76 24	b^-
290.54 2	0.264 12	b^-
293.20 2	0.264 12	b^-
308.67 2	0.34 4	b^-
318.76 2	0.47 6	b^-
320.57 2	0.55 11	b^-
333.25 2	0.58 8	b^-
334.83 2	0.36 5	b^-
344.2		b^-
353.61 2	1.80 12	b^-
359.2		b^-
377.83 2	0.276 12	b^-
382.62 2	0.216 24	b^-
388.25 2	0.576 24	b^-
393.6 3	0.37 18	b^-
399.64 2	2.436 12	b^-
402.73 2	1.4 6	b^-
410.5 3		b^-
411.15 2	0.68 6	b^-
416.79 2	0.072 12	b^-
433.24 2	0.14 4	b^-
437.48 2	0.32 16	b^-
438.30 2	5.04 24	b^-
469.40 2	<0.12	b^-
474.5 3		b^-
490.40 2	0.192 24	b^-
495.00 2	0.97 6	b^-
505.5 3	0.24 12	b^-
506.42 2	0.012 12	b^-
507.84 2	1.020 12	b^-
516.69 2	1.24 8	b^-
520.20 2	0.024 12	b^-
523.88 2	0.38 4	b^-
557.5	0.58 5	b^-
570.32 2	0.072 24	b^-
570.91 2	1.14 8	b^-
599.42 2	1.1	b^-
601.79 2		b^-
602.9 3		b^-
644.58 2	0.38 4	b^-
647.48 2	0.108 12	b^-
649.1 3		b^-
672.96 2	0.456 24	b^-
706.7 3		b^-
709.8 3	0.48 24	b^-

X-rays from ¹⁴⁷La (4.015 s 8)
E (keV)	I (%)	Assignment

4.289	0.031 4	Ce L_l
4.730	0.0137 14	Ce L_h
4.822	0.085 10	Ce L_a2
4.840	0.77 9	Ce L_a1
5.263	0.51 5	Ce L_b1
5.276	0.036 7	Ce L_b4
5.363	0.060 12	Ce L_b3
5.434	0.0065 7	Ce L_b6
5.613	0.161 18	Ce L_b2
6.054	0.078 8	Ce L_g1
6.326	0.0105 22	Ce L_g2
6.342	0.015 3	Ce L_g3
33.894	0.000577 25	Ce K_a3
34.279	3.58 13	Ce K_a2
34.720	6.55 24	Ce K_a1
39.170	0.625 23	Ce K_b3
39.258	1.21 5	Ce K_b1
39.551	0.0151 8	Ce K_b5
40.228	0.388 14	Ce K_b2
40.333	0.110 6	Ce K_b4

Betas from ¹⁴⁷La (4.015 s 8)
Eb endpoint (keV)	Ib (%)	Decay mode

3250	0.035	b^-
4026.24	0.072 25	b^-
4028.71	0.132 21	b^-
4042.53	0.132 17	b^-
4118.74	1.33 22	b^-
4163.76	2.42 23	b^-
4179.69	0.40 16	b^-
4239.7	1.8 3	b^-
4273.09	0.19 3	b^-
4276.65	0.52 5	b^-
4324.2	1.28 11	b^-
4341.38	0.50 9	b^-
4352.18	1.54 16	b^-
4391.76	0.53 5	b^-
4433.02	3.7 4	b^-
4444.37	1.74 23	b^-
4454.69	1.22 15	b^-
4511.88	4.4 5	b^-
4516.97	0.76 10	b^-
4547.62	1.8 7	b^-
4549.01	2.6 4	b^-
4596.57	3.6 4	b^-
4617.08	2.3 4	b^-
4676.09	2.6 6	b^-
4734.79	0.4 5	b^-
4763.49	5.5 6	b^-
4832.37	7.7 9	b^-
4950	51 5	b^-

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