List of levels for 248CF

ADOPTED LEVELS, GAMMAS for ²⁴⁸Cf

Author: M. J. Martin | Citation: Nucl. Data Sheets 122, 377 (2014) | Cutoff date: 1-Sep-2014

Full ENSDF file | Adopted Levels (PDF version)

Q(β-)=-3061 keV SY	S(n)= 6935 keV 16	S(p)= 5540 keV 8	Q(α)= 6361 keV 5
Reference: 2012WA38

References:
A	²⁴⁹Cf(d,t)	B	²⁵²Fm α decay
C	²⁴⁸Bk β^- decay (23.7 H)	D	CF(¹⁸O,xnγ)

E(level) (keV)	XREF	J^π(level)	T_1/2(level)	E(γ) (keV)	M(γ)	Final Levels
0	A B C D	0+	333.5 d 28 % α = 99.9971 3 % SF = 0.0029 3
41.53 6	A B C D	2+		41.53 6	[E2]	0	0+
137.81 9	A B D	4+		96.28 6	[E2]	41.53	2+
287.4 1	A B D	6+		149.6 1	[E2]	137.81	4+
488.0 2	A D	8+		200.6 1	[E2]	287.4	6+
592.2 2	C	(2)-		550.7 1	E1	41.53	2+
630 1	A	3-
677 1	A	4-
735 1	A	5-
737.3 5	D	10+		249.3 5	[E2]	488.0	8+
779 2	A
806 1	A	6-
885 1	A	7-
979 2	A	8-
1021 2	A
1048 2	A
1079 2	A
1112 2	A
1179 2	A
1261 2	A	8-
1293 2	A
1319 2	A
1351 2	A	9-
1391 2	A
1432 2	A
1463 1	A	5-
1477 2	A	2-
1509 1	A	3-
E(level) (keV)	XREF	J^π(level)	T_1/2(level)	E(γ) (keV)	M(γ)	Final Levels
1530 1	A	6-
1557 1	A	4-
1577 1	A	7-
1605 1	A	7-
1621 1	A	5-
1640 1	A	4-
1663 1	A	8-
1686 3	A	6-
1698 2	A	5-
1731 2	A	8-
1766 2	A	6-
1781 3	A	9-
1839 3	A	(9-)
1852 1	A	7-
1927 1	A	5+
1946 3	A	8-
1968 1	A
1992 1	A	6+
2018 3	A
2072 1	A	4+
2105 1	A	(4-)
2131 1	A	5+
2161 2	A	(5-)
2184 2	A	6-
2207 1	A	6+
2241 1	A	7+
2262 1	A	(7-)
2281 2	A	2+
2314 2	A	3+
2368 2	A	(4+)
E(level) (keV)	XREF	J^π(level)	T_1/2(level)	E(γ) (keV)	M(γ)	Final Levels
2463 2	A
2492 2	A
2512 1	A	3+
2533 1	A
2557 1	A	4+
2580 1	A
2602 1	A	6+
2634 2	A	(5+)
2682 2	A	(7+)

E(level): Except where noted otherwise, the energies are from (d,t)

J^π(level): Except where noted otherwise, the Jπ assignments are from (d,t) based on band assignments which in turn are based on a comparison of experimental and calculated cross sections at 90, 120, and 135 degrees

E(level) (keV)	J^π(level)	T_1/2(level)	E(γ) (keV)	Multipolarity	Conversion Coefficient	Additional Data
41.53	2+		41.53 6	[E2]	1461	α=1461 23
137.81	4+		96.28 6	[E2]	26.5	α=26.5 4
287.4	6+		149.6 1	[E2]	3.70	α=3.70 6
488.0	8+		200.6 1	[E2]	1.129	α=1.129 16
592.2	(2)-		550.7 1	E1	0.0136	α=0.0136 2
737.3	10+		249.3 5	[E2]	0.507	α=0.507 8

E(level)	J^π(level)	T_1/2(level)	Comments
0	0+	333.5 d 28 % α = 99.9971 3 % SF = 0.0029 3	E(level): Kπ=0⁺ g.s. band.
41.53	2+		E(level): Kπ=0⁺ g.s. band.
137.81	4+		E(level): Kπ=0⁺ g.s. band.
287.4	6+		E(level): Kπ=0⁺ g.s. band.
488.0	8+		E(level): Kπ=0⁺ g.s. band.
592.2	(2)-		E(level): Kπ=2- 9/2-[734],5/2⁺[622]~#PHONON.
630	3-		E(level): Kπ=2- 9/2-[734],5/2⁺[622]~#PHONON.
677	4-		E(level): Kπ=2- 9/2-[734],5/2⁺[622]~#PHONON.
735	5-		E(level): Kπ=2- 9/2-[734],5/2⁺[622]~#PHONON.
737.3	10+		E(level): Kπ=0⁺ g.s. band.
806	6-		E(level): Kπ=2- 9/2-[734],5/2⁺[622]~#PHONON.
885	7-		E(level): Kπ=2- 9/2-[734],5/2⁺[622]~#PHONON.
979	8-		E(level): Kπ=2- 9/2-[734],5/2⁺[622]~#PHONON.
1261	8-		E(level): Kπ=8- 9/2-[734],7/2⁺[624].
1351	9-		E(level): Kπ=8- 9/2-[734],7/2⁺[624].
1463	5-		E(level): Kπ=5- 9/2-[734],1/2⁺[631].
1477	2-		E(level): Kπ=2- 9/2-[734],5/2⁺[622]~#PHONON.
1509	3-		E(level): Kπ=2- 9/2-[734],5/2⁺[622]~#PHONON.
1530	6-		E(level): Kπ=5- 9/2-[734],1/2⁺[631].
1557	4-		E(level): Kπ=2- 9/2-[734],5/2⁺[622]~#PHONON.
1577	7-		E(level): Kπ=7- 9/2-[734],5/2⁺[622].
1605	7-		E(level): Kπ=5- 9/2-[734],1/2⁺[631].
1621	5-		E(level): Kπ=2- 9/2-[734],5/2⁺[622]~#PHONON.
1640	4-		E(level): Kπ=4- 9/2-[734],1/2⁺[631].
1663	8-		E(level): Kπ=7- 9/2-[734],5/2⁺[622].
E(level)	J^π(level)	T_1/2(level)	Comments
1686	6-		E(level): Kπ=2- 9/2-[734],5/2⁺[622]~#PHONON.
1698	5-		E(level): Kπ=4- 9/2-[734],1/2⁺[631].
1731	8-		E(level): Kπ=5- 9/2-[734],1/2⁺[631].
1766	6-		E(level): Kπ=4- 9/2-[734],1/2⁺[631].
1781	9-		E(level): Kπ=7- 9/2-[734],5/2⁺[622].
1839	(9-)		E(level): Kπ=5- 9/2-[734],1/2⁺[631].
1852	7-		E(level): Kπ=4- 9/2-[734],1/2⁺[631].
1927	5+		E(level): Kπ=5⁺ 9/2-[734],1/2-[501].
1946	8-		E(level): Kπ=4- 9/2-[734],1/2⁺[631].
1992	6+		E(level): Kπ=5⁺ 9/2-[734],1/2-[501].
2072	4+		E(level): Kπ=4⁺ 9/2-[734],1/2-[501].
2105	(4-)		E(level): Kπ=3-? 9/2-[734],3/2⁺[631].
2131	5+		E(level): Kπ=4⁺ 9/2-[734],1/2-[501].
2161	(5-)		E(level): Kπ=3-? 9/2-[734],3/2⁺[631].
2184	6-		E(level): Kπ=6- 9/2-[734],3/2⁺[631].
2207	6+		E(level): Kπ=4⁺ 9/2-[734],1/2-[501].
2241	7+		E(level): Kπ=7⁺ 9/2-[734],5/2-[503].
2262	(7-)		E(level): Kπ=6- 9/2-[734],3/2⁺[631].
2281	2+		E(level): Kπ=2⁺ 9/2-[734],5/2-[503].
2314	3+		E(level): Kπ=2⁺ 9/2-[734],5/2-[503].
2368	(4+)		E(level): Kπ=2⁺ 9/2-[734],5/2-[503].
2512	3+		E(level): Kπ=3⁺ 9/2-[734],3/2-[501].
2557	4+		E(level): Kπ=3⁺ 9/2-[734],3/2-[501].
2602	6+		E(level): Kπ=6⁺ 9/2-[734],3/2-[501].
2634	(5+)		E(level): Kπ=3⁺ 9/2-[734],3/2-[501].
E(level)	J^π(level)	T_1/2(level)	Comments
2682	(7+)		E(level): Kπ=6⁺ 9/2-[734],3/2-[501].

E(level)	E(gamma)	Comments
41.53	41.53	E(γ): from α decay
137.81	96.28	E(γ): from α decay
287.4	149.6	E(γ): from (¹⁸O,xnγ)
488.0	200.6	E(γ): from (¹⁸O,xnγ)
737.3	249.3	E(γ): from (¹⁸O,xnγ)