Table of Isotopes decay data

WWW Table of Radioactive Isotopes

229	Ac
89	Ac	140

Half life:

62.7 m 5

Jp:

(3/2+)

S_n (keV):

6287 48

S_p (keV):

5550 48

ENSDF citation:

NDS 58,555 (1989)

Literature cut-off date:

1-Feb-1989

Author(s):

Y.A. Akovali

References since cut-off:

²²⁹Ac decay from 1989-98 (NSR)


Decay properties:
Mode	Branching (%)	Q-value (keV)
b^-	100	1095 47

Most Recent ENSDF Data (12/2002)
Mode	Data set name	Display data
b^-	229AC B- DECAY
	Tables:
	ENSDF data:
	Java applets:

TORI Data (1999) Gammas from ²²⁹Ac (62.7 m 5)
Eg (keV)	Ig (%)	Decay mode

29.192 1	2.0 10*	b^-
32.4 2	1.6 4*	b^-
42.44 2	*	b^-
71.819 2	2.6 13*	b^-
74.57 5	6.1 18*	b^-
100.03 5	0.15 4*	b^-
103.6 2	0.16 4*	b^-
117.159 2	17 3*	b^-
135.36 3	34 5*	b^-
146.345 2	35 5*	b^-
152.6	*	b^-
156.14 16	0.09 3*	b^-
164.522 2	100 10*	b^-
169.01 5	0.18 4*	b^-
170.84 5	0.38 8*	b^-
172.36 12	0.055 13*	b^-
174.19 5	0.36 10*	b^-
223.3 2	0.052 12*	b^-
239.3 2	4.1 12*	b^-
245.345 2	7.8 14*	b^-
248.7	6.8 16*	b^-
248.726 6	2.5 6*	b^-
252.2 2	24 3*	b^-
261.92 5	39 5*	b^-
274.728 10	1.7 8*	b^-
278.111 8	2.8 10*	b^-
285.0 2	4.3 10*	b^-
288.033 5	2.9 6*	b^-
288.3 2	5.9 15*	b^-
291.354 4	9.3 16*	b^-
317.16 1	23 3*	b^-
320.541 5	6.5 12*	b^-
322.9 2	3.5 8*	b^-
332.1 2	2.0 6*	b^-
365.7 2	2.7 6*	b^-
404.7 2	8.7 17*	b^-
406.5 2	5.9 14*	b^-
422.9 2	6.8 12*	b^-
435.9 2	6.3 12*	b^-
449.3 2	15.9 24*	b^-
478.5 2	17 3*	b^-
508.6 2	3.0 10*	b^-
526.8 2	6.3 12*	b^-
539.9 2	20 3*	b^-
562.4 2	6.4 12*	b^-
569.1 2	91 12*	b^-
575.6 2	5.2 10*	b^-
605.2 2	23 3*	b^-
* Relative intensity

Main page | Radiation search | Nuclide search