Table of Isotopes decay data

WWW Table of Radioactive Isotopes

154	Pm
61	Pm	93

Half life:

1.73 m 10

Jp:

(0,1)

S_n (keV):

5804 74

S_p (keV):

8358 78

Prod. mode:

Fission product
Fast neutron activation

ENSDF citation:

NDS 69,507 (1993)

Literature cut-off date:

1-Mar-1993

Author(s):

R.G. Helmer

References since cut-off:

¹⁵⁴Pm decay from 1993-98 (NSR)


Decay properties:
Mode	Branching (%)	Q-value (keV)
b^-	100	4044 74

Most Recent ENSDF Data (12/2002)
Mode	Data set name	Display data
b^-	154PM B- DECAY (1.73 M)
	Tables:
	ENSDF data:
	Java applets:

TORI Data (1999) Gammas from ¹⁵⁴Pm (1.73 m 10)
Eg (keV)	Ig (%)	Decay mode

62.62 6	0.04	b^-
81.99 2	12.6	b^-
95.2 3	0.04	b^-
104.30 4	0.02	b^-
124.43 4	0.19	b^-
138.0 3	0.04	b^-
166.06 3	0.62	b^-
184.810 25	3.1	b^-
194.29 6	0.16	b^-
244.52 15	0.18	b^-
256.1 4	0.07	b^-
273.96 20	0.10	b^-
280.1 3	0.004	b^-
280.96 4	1.23	b^-
293.1 3	0.06	b^-
315.77 20	0.012	b^-
354.90 20	0.17	b^-
364.67 10	0.25	b^-
384.5 3	0.07	b^-
432.6 3	0.08	b^-
465.8 3	0.18	b^-
482.57 20	0.38	b^-
524.2 3	0.08	b^-
554.25 8	0.60	b^-
560.3 3	0.12	b^-
603.54 25	0.19	b^-
624.6 4	0.14	b^-
661.4 2	0.14	b^-
664.20 14	0.52	b^-
688.0 4	0.19	b^-
693.39 6	0.88	b^-
700.0 3	0.2	b^-
721.0 3	0.13	b^-
730.1 4	0.08	b^-
742.2 3	0.03	b^-
743.4 3	0.04	b^-
745.40 15	0.27	b^-
752.3 2	0.17	b^-
782.9 3	0.20	b^-
833.4 3	0.04	b^-
834.35 21	0.05	b^-
837.4	0.15	b^-
839.36 4	8.8	b^-
853.1 5	0.11	b^-
853.3	0.13	b^-
866.5 3	0.42	b^-
891.28 4	5.62	b^-
901.9 3	0.38	b^-
910.93 6	3.1	b^-
917.0 5	0.14	b^-
919.23 20	0.29	b^-
921.36 6	6.1	b^-
930.38 8	0.51	b^-
933.5 4	0.16	b^-
937.30 12	0.37	b^-
953.97 8	1.24	b^-
961.3 5	0.08	b^-
962.00 8	3.38	b^-
969.79 6	4.65	b^-
1002.8 10	0.08	b^-
1017.66 14	6.3	b^-
1019.5 1	0.25	b^-
1022.4 4	0.11	b^-
1024.3 3	0.11	b^-
1032.55 8	0.85	b^-
1040.7 5	0.13	b^-
1057.0 5	0.08	b^-
1076.5 5	0.07	b^-
1082.0 5	0.11	b^-
1095.84 6	4.4	b^-
1096.9 5	0.16	b^-
1120.41 8	0.95	b^-
1147.69 6	7.9	b^-
1173.5 3	0.02	b^-
1177.75 6	3.24 19	b^-
1191.1 3	0.22	b^-
1204.6 1	0.50	b^-
1210.2 3	0.18	b^-
1218.57 10	0.63	b^-
1231.5 3	0.19	b^-
1297.9 3	0.08	b^-
1341.2 3	0.09	b^-
1344.6 5	0.11	b^-
1358.05 5	0.28	b^-
1389.3 3	0.28	b^-
1393.9 1	14.4	b^-
1433.3 1	0.21	b^-
1440.0 3	0.28	b^-
1447.4 3	0.17	b^-
1475.4 3	0.07	b^-
1576.7 8	0.12	b^-
1660.6 4	0.10	b^-
1670.16 25	0.21	b^-
1681.6 5	0.09	b^-
1764.9 4	0.15	b^-
1764.9 4	0.16	b^-
1801.6 5	0.11	b^-
1808.9 3	1.55	b^-
1856.3 4	0.12	b^-
1863.9 5	0.24	b^-
1865.7 5	0.08	b^-
1873.6 8	0.07	b^-
1890.8 2	1.03	b^-
1891.8 3	0.39	b^-
1933.5 3	0.14	b^-
1973.59 20	0.48	b^-
1987.04 10	1.06	b^-
2015.5 4	0.10	b^-
2050.1 3	0.16	b^-
2057.76 6	17.1	b^-
2069.04 8	1.63	b^-
2130.4 3	0.21	b^-
2139.76 8	9.7	b^-
2287.0 3	0.13	b^-
2340.8 5	0.08	b^-
2346.48 10	1.70	b^-
2368.74 20	0.50	b^-
2421.4 4	0.07	b^-
2474.5 3	0.19	b^-
2509.27 15	1.10	b^-
2536.08 15	0.68	b^-
2556.6 3	0.14	b^-
2591.14 20	0.43	b^-
2617.92 20	0.52	b^-
2639.2 4	0.07	b^-
2697.4 3	0.09	b^-
2721.3 3	0.17	b^-
2761.1 5	0.07	b^-
2778.6 3	0.33	b^-
2800.9 9	0.08	b^-
2842.6 4	0.08	b^-
2968.9 4	0.13	b^-
3111.2 5	0.08	b^-
3346.9 15	0.033	b^-

X-rays from ¹⁵⁴Pm (1.73 m 10)
E (keV)	I (%)	Assignment

4.993	0.132 13	Sm L_l
5.589	0.060 4	Sm L_h
5.610	0.352 22	Sm L_a2
5.636	3.17 20	Sm L_a1
6.196	0.068 10	Sm L_b4
6.206	2.46 18	Sm L_b1
6.317	0.113 17	Sm L_b3
6.371	0.0295 19	Sm L_b6
6.587	0.67 5	Sm L_b2
7.183	0.41 3	Sm L_g1
7.471	0.021 3	Sm L_g2
7.489	0.030 5	Sm L_g3
39.097	0.00176 5	Sm K_a3
39.522	6.94 15	Sm K_a2
40.118	12.6 3	Sm K_a1
45.294	1.23 3	Sm K_b3
45.414	2.38 5	Sm K_b1
45.741	0.0352 14	Sm K_b5
46.578	0.785 17	Sm K_b2
46.705	0.297 12	Sm K_b4

Betas from ¹⁵⁴Pm (1.73 m 10)
Eb endpoint (keV)	Ib (%)	Decay mode

846.77	0.7	b^-
988.71	0.7	b^-
1197.2	0.14	b^-
1261.33	0.7	b^-
1318.72	0.2	b^-
1421.97	1.2	b^-
1448.68	1.9	b^-
1483.44	0.33	b^-
1611.53	1.7	b^-
1671.19	1.1	b^-
1900.2	34	b^-
1908.14	2.7	b^-
1970.91	21	b^-
2149.57	2.9	b^-
2425.18	0.8	b^-
2564.29	14	b^-
2837.62	0.8	b^-
3118.6	2.2	b^-
3958.02	5 9	b^-
4040	6 8	b^-

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