Table of Isotopes decay data

WWW Table of Radioactive Isotopes

140	Xe
54	Xe	86

Half life:

13.60 s 10

Jp:

0+

S_n (keV):

5418 64

S_p (keV):

11441 68

Prod. mode:

Fission product

ENSDF citation:

NDS 73,261 (1994)

Literature cut-off date:

1-Nov-1994

Author(s):

L.K. Peker

Update:

1-Jan-1997, R.B. Firestone

References since cut-off:

¹⁴⁰Xe decay from 1997-98 (NSR)


Decay properties:
Mode	Branching (%)	Q-value (keV)
b^-	100	4060 60

Most Recent ENSDF Data (12/2002)
Mode	Data set name	Display data
b^-	140XE B- DECAY
	Tables:
	ENSDF data:
	Java applets:

TORI Data (1999) Gammas from ¹⁴⁰Xe (13.60 s 10)
Eg (keV)	Ig (%)	Decay mode

9.4	<0.14	b^-
13.93 5	0.88 8	b^-
38.33 3	0.02 2	b^-
38.34 3	0.18 4	b^-
45.89 10	0.016 6	b^-
47.75	0.048 8	b^-
50.82 3	1.66 10	b^-
80.109 3	4.4 3	b^-
84.50 2	0.022 4	b^-
89.17 3	0.38 2	b^-
93.64 5	0.100 12	b^-
99.56 10	0.034 10	b^-
103.080 4	0.96 16	b^-
104.398 4	1.28 16	b^-
108.95 5	0.050 24	b^-
112.606 3	3.7 5	b^-
118.310 3	4.5 5	b^-
119.69 3	0.12 4	b^-
121.51 20	0.04 2	b^-
128.69 3	0.038 8	b^-
133.0 3	0.062 10	b^-
138.2 3	0.032 8	b^-
147.3 3	0.028 8	b^-
158.7 2	0.108 14	b^-
167.092 10	1.24 12	b^-
176.4 2	0.116 14	b^-
182.4 2	0.240 24	b^-
196.2 2	0.220 14	b^-
198.1 2	0.56 4	b^-
202.8 2	0.096 12	b^-
211.887 20	2.3 3	b^-
214.8 2	0.31 5	b^-
218.3 3	0.110 24	b^-
220.0 4	0.06 2	b^-
226.5 4	0.030 12	b^-
232.4 2	0.070 16	b^-
242.0 2	0.144 20	b^-
252.9 3	0.050 12	b^-
276.99 10	0.56 6	b^-
281.126 15	1.38 14	b^-
283.0 5	0.08 4	b^-
290.57 10	0.44 4	b^-
294.8 4	0.048 20	b^-
320.1 4	0.074 20	b^-
326.1 3	0.068 20	b^-
331.0 2	0.34 4	b^-
335.6 2	0.22 4	b^-
344.1 5	0.056 20	b^-
358.4 2	0.112 20	b^-
373.87 10	0.54 6	b^-
389.97 10	1.46 14	b^-
396.35 10	0.76 8	b^-
410.2 2	0.194 20	b^-
429.44 10	0.66 6	b^-
435.5 3	0.21 4	b^-
438.69 10	2.6 3	b^-
441.2 3	0.52 14	b^-
445.12 15	0.70 8	b^-
455.1 5	0.06 4	b^-
461.85 10	1.48 12	b^-
483.3 2	0.17 3	b^-
503.4 3	0.17 4	b^-
505.0 4	0.13 4	b^-
509.6 2	0.84 12	b^-
514.952 45	1.04 10	b^-
518.9 2	1.02 10	b^-
524.5 2	0.46 4	b^-
547.84 10	1.14 8	b^-
557.154 66	5.0 4	b^-
561.6 3	0.29 5	b^-
568.1 5	0.10 4	b^-
570.9 7	0.11 5	b^-
572.7 5	0.15 5	b^-
588.2 5	0.04 2	b^-
608.05 10	2.24 24	b^-
621.874 27	8.0 6	b^-
627.3 2	0.98 10	b^-
639.18 15	1.32 12	b^-
653.40 10	4.8	b^-
653.40 10	4.8	b^-
655.7 3	0.70 18	b^-
671.6 10	0.3 1	b^-
686.2 3	0.18 4	b^-
690.5 10	0.08 4	b^-
696.9 3	0.18 4	b^-
721.4 4	0.08 3	b^-
734.1 3	0.28 5	b^-
736.2 5	0.21 4	b^-
774.12 10	0.5 5	b^-
774.12 10	3.6 6	b^-
786.9 2	0.41 5	b^-
800.1 4	0.54 20	b^-
805.52 10	20	b^-
820.9 5	0.044 20	b^-
842.2 2	0.58 6	b^-
847.1 3	0.20 6	b^-
850.4 2	0.42 6	b^-
857.0 4	0.106 24	b^-
862.4 5	0.16 5	b^-
864.2 5	0.22 6	b^-
879.75 10	2.74 18	b^-
889.1 2	0.39 5	b^-
900.7 5	0.20 6	b^-
902.9 3	0.40 6	b^-
912.8 2	0.88 8	b^-
925.04 15	1.44 12	b^-
935.9 3	0.084 20	b^-
945.5 4	0.082 24	b^-
951.9 2	0.88 8	b^-
963.6 5	0.14 6	b^-
966.5 7	0.09 5	b^-
982.7 4	0.46 8	b^-
989.02 10	3.04 24	b^-
999.8 5	0.10 5	b^-
1018.5 2	0.29 5	b^-
1024.7 2	0.26 5	b^-
1077.6 10	0.16 8	b^-
1079.8 5	0.28 10	b^-
1086.7 5	0.26 10	b^-
1089.8 10	0.12 8	b^-
1122.8 5	0.16 8	b^-
1132.7 4	0.66 16	b^-
1137.09 10	2.14 20	b^-
1141.5 4	0.30 8	b^-
1154.5 3	0.30 4	b^-
1168.6 10	0.12 6	b^-
1171.2 10	0.10 6	b^-
1176.7 2	1.10 14	b^-
1180.2 5	0.14 6	b^-
1189.5 10	0.24 6	b^-
1192.8 10	0.16 6	b^-
1209.08 10	1.36 16	b^-
1215.4 3	0.28 6	b^-
1289.2 3	0.20 6	b^-
1309.08 10	6.4 6	b^-
1315.05 10	8.2 8	b^-
1347.5 2	0.14 4	b^-
1413.66 10	12.2 12	b^-
1427.56 10	1.14 12	b^-
1585.7 3	0.18 4	b^-
1661.2 3	0.24 6	b^-
1885.9 3	0.34 8	b^-
2074.0 3	0.22 6	b^-
2112.3 3	0.36 10	b^-
2211.9 5	0.10 4	b^-
2286.0 3	0.16 6	b^-

X-rays from ¹⁴⁰Xe (13.60 s 10)
E (keV)	I (%)	Assignment

3.795	0.080 16	Cs L_l
4.142	0.044 7	Cs L_h
4.272	0.22 4	Cs L_a2
4.286	2.0 4	Cs L_a1
4.620	1.50 23	Cs L_b1
4.649	0.58 16	Cs L_b4
4.717	1.0 3	Cs L_b3
4.781	0.016 3	Cs L_b6
4.934	0.40 7	Cs L_b2
5.281	0.21 3	Cs L_g1
5.542	0.16 4	Cs L_g2
5.553	0.23 6	Cs L_g3
30.270	0.00079 4	Cs K_a3
30.625	6.9 3	Cs K_a2
30.973	12.7 6	Cs K_a1
34.920	1.18 5	Cs K_b3
34.987	2.28 10	Cs K_b1
35.252	0.0241 14	Cs K_b5
35.818	0.71 3	Cs K_b2
35.907	0.146 8	Cs K_b4

Betas from ¹⁴⁰Xe (13.60 s 10)
Eb endpoint (keV)	Ib (%)	Decay mode

1735.55	1.1 2	b^-
1773.94	0.4 1	b^-
2070.57	0.8 2	b^-
2632.41	64 7	b^-
2770.82	3.3 5	b^-
2866.4	0.4 1	b^-
2900.29	0.4 1	b^-
2922.94	4.4 6	b^-
2978.43	0.8 1	b^-
3094.24	0.7 2	b^-
3259.81	0.4	b^-
3406.65	2.2 3	b^-
3545.05	1.1 2	b^-
3979.89	9.0 14	b^-

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