List of levels for 54CO

ADOPTED LEVELS, GAMMAS for ⁵⁴Co

Authors: Yang Dong, Huo Junde | Citation: Nucl. Data Sheets 121, 1 (2014) | Cutoff date: 20-Jun-2014

Full ENSDF file | Adopted Levels (PDF version)

Q(β-)=-8.79×10³ keV 5	S(n)= 13422.0 keV 17	S(p)= 4351.6 keV 16	Q(α)= -7807.0 keV 8
Reference: 2012WA38

References:
A	⁵⁴Ni ε decay	B	⁵⁵Cu εp decay:27 MS
C	⁹Be(⁵⁵Ni,xγ)	D	²⁸Si(²⁸Si,pnγ)
E	²⁸Si(³²S,APNG)	F	²⁸Si(³⁶Ar,2APNG)
G	⁵⁴Fe(p,n)	H	⁵⁴Fe(p,nγ)
I	⁵⁴Fe(³He,t)	J	⁵⁴Fe(⁶Li,⁶He)
K	⁵⁴Fe(¹²C,¹²B)

Levels: Band information for ⁵⁴Co, see ²⁸Si(³²S,αpnγ) and ²⁸Si(³⁶Ar,2αpnγ).

E(level) (keV)	XREF	J^π(level)	T_1/2(level)	E(γ) (keV)	I(γ)	M(γ)	Final Levels
0.0	A B C D E F G H I J	0+	193.28 ms 7 % ε = 100
197.1 4	D E F G H I J	7+	1.48 m 2 % ε = 100
936.90 15	A C E F G H I J K	1+		936.8 2	100	M1	0.0	0+
1445.66 15	C D E F G H I	2+		508.7 2 1445.7 2	100 2 10.4 3	M1(+E2) E2	936.90 0.0	1+ 0+
1614.09 17	E G H I K	1+		1614.1 2	100	M1	0.0	0+
1821.51 21	E F G H I	3+		375.8 2 884.6 4	100 3 2.2 3	M1(+E2) E2	1445.66 936.90	2+ 1+
1887.0 3	D E F G H I	5+		1689.9 2	100	E2	197.1	7+
2010	G	1+
2082.8 3	E G H I	(5+)		195.8 2 261.3 2	42 4 100 3		1887.0 1821.51	5+ 3+
2086	I	(5+)
2149.3 5	G H I J	5+		1952.2 3	100		197.1	7+
2173.66 18	E H	3+		559.6 2 728.0 3 1236.7 2	97 10 100 10 55 9	E2 M1(+E2) E2	1614.09 1445.66 936.90	1+ 2+ 1+
2277.6 6	D K	(3+)		831.9 5	100		1445.66	2+
2289.27 25	E G H I J	(3)		843.6 2	100	D(+Q)	1445.66	2+
2350	G	1+
2390	G
2424.6 3	A I	1+		2424.6	100		0.0	0+
2651.98 24	E F G H I K	4+		765.0 2 830.4 2 1206.4 3	57 2 100 3 <2	M1(+E2) M1(+E2) E2	1887.0 1821.51 1445.66	5+ 3+ 2+
2657.2 9	H			1043.1? 1211.6			1614.09 1445.66	1+ 2+
2758	I
E(level) (keV)	XREF	J^π(level)	T_1/2(level)	E(γ) (keV)	I(γ)	M(γ)	Final Levels
2839 4	I
2851.3 3	E H	4+		964.3 2 1029.8 2	51 3 100 3	M1+E2	1887.0 1821.51	5+ 3+
2911.6 4	F I	(6+)		259.6 3 1025 2	100 12 25 12		2651.98 1887.0	4+ 5+
2915.8 11	E H			833 1	100		2082.8	(5+)
2919.2 11	H J	(3)		1473.5	100		1445.66	2+
2979 5	E			2782 5	100		197.1	7+
3045	I
3085 4	I
3094.7 8	H			1649.0 2157.7			1445.66 936.90	2+ 1+
3109.2 8	H			1663.5 2172.2			1445.66 936.90	2+ 1+
3128 4	I
3142.6 7	H			490.4 1255.6 1321.2			2651.98 1887.0 1821.51	4+ 5+ 3+
3155.6 6	H I J			866.1 1072.9 1709.9			2289.27 2082.8 1445.66	(3) (5+) 2+
3166.5 11	H			1720.8	100		1445.66	2+
3170.5 18	E F	(9+)		2974 2	100	Q	197.1	7+
3266.2 10	E H I			977 1 1183 2	100 22 56 22		2289.27 2082.8	(3) (5+)
3306.8 11	H I			1224.0	100		2082.8	(5+)
3326.0 11	E H			674 1	100		2651.98	4+
3346.0 11	H			1172.3			2173.66	3+
3363.5 18	E	8+		193 1 3165 3	12 12 100 12	D+Q	3170.5 197.1	(9+) 7+
E(level) (keV)	XREF	J^π(level)	T_1/2(level)	E(γ) (keV)	I(γ)	M(γ)	Final Levels
3376.1 10	A I	1+		3376.1 2	100		0.0	0+
3399.3 9	G H			742.1 1225.6			2657.2 2173.66	3+
3504.0 11	H I J			2058.3	100		1445.66	2+
3680 20	I
3794 5	E			3597 5	100		197.1	7+
3889.6 2	A G I	1+		3889.6 2	100		0.0	0+
4000	I
4078.3 11	H I			1426.3			2651.98	4+
4130	G	1+
4293.4 10	A I	1+		4293.4 10	100		0.0	0+
4323.0 7	A	1+		4323.0 7	100		0.0	0+
4420	I
4543.8 4	A G I	1+		4543.8 4	100		0.0	0+
4727.6 20	E F I	(11+)		1557 1	100	Q	3170.5	(9+)
4822.8 7	A G I	1+		4822.8 7	100		0.0	0+
5046.5 19	E F I	10+		1683 1 1876 1	43 14 100 9	D+Q	3363.5 3170.5	8+ (9+)
5115	I
5189	I
5202.4 5	A G I	1+		5202.4 5	100		0.0	0+
5294	G I	1+
5358.4 20	E	10+		1994 2 2188 1	21 11 100 8	D+Q	3363.5 3170.5	8+ (9+)
5470	G I	1+
5762	I
5857	I
5917	G I	1+
6092	I
6127	G I	1+
E(level) (keV)	XREF	J^π(level)	T_1/2(level)	E(γ) (keV)	I(γ)	M(γ)	Final Levels
6250	I
6372	I
6476	G I	1+
6541	I
6805	G I	1+
6897 4	E	(11+)		3726 3	100	(Q)	3170.5	(9+)
7149	G I	1+
7241.5 23	E F	(12+)		2195 2 2514 2	12 7 100 14	(D+Q)	5046.5 4727.6	10+ (11+)
7250 20	I
7404	I
7454 3	E	8+ to 10+		2407 2 ? 4091 4	100 50 100 50		5046.5 3363.5	10+ 8+
7466	G I	1+
7486	I
7560	I
7660	I
7730	G I	1+
7877	I
7963	G I	1+
8038	I
8089	I
8170	I
8290	G	1+
8332 3	E	(12+)		2973 3 ? 3285 3 3604 4	100 67 100 33 83 13	(D)	5358.4 5046.5 4727.6	10+ 10+ (11+)
8341	I
8417	I
8418 3	E	13+		3690 3	100	Q	4727.6	(11+)
E(level) (keV)	XREF	J^π(level)	T_1/2(level)	E(γ) (keV)	I(γ)	M(γ)	Final Levels
8713	I
8790	G	1+
8823 4	E			3465 3	100		5358.4	10+
8827	I
8877	I
8962	I
8991	I
9014	G I	1+
9074	I
9105	I
9154	I
9236	I
9271	I
9367	G I	1+
9440	I
9509	I
9680	G	1+
9689 5	E	(13+)		2446 2 ? 4961 4	68 26 100 21	(Q)	7241.5 4727.6	(12+) (11+)
9750	I
9810	I
9865	I
9930	I
9982	I
9994 5	E	(13+)		5266 4	100	(Q)	4727.6	(11+)
10067	G I	1+
10093	I
10146	I
10180	I
10209	G I	1+
E(level) (keV)	XREF	J^π(level)	T_1/2(level)	E(γ) (keV)	I(γ)	M(γ)	Final Levels
10252 6	E			5524 5	100		4727.6	(11+)
10305	I
10384	I
10465	I
10486 3	E	(14+)		2068 1 3245 3	71 13 100 21	(D+Q) (Q)	8418 7241.5	13+ (12+)
10507 8	E G			5779 7	100		4727.6	(11+)
10562	I
10644	I
10719	I
10971	I
11050	G
11108	I
11229	I
11280	I
11393	G I
11433	I
11498	I
11573	I
11660	I
11759	G I
11896	I
12210	G
13440	G

E(level): From least-squares fits to Eγ’s. Others from (³He,t), except as noted.

J^π(level): From comparison of experimental with calculated angular distribution for assumed various coupled-reaction channels or with angular distribution for known Jπ, except as noted.

E(level) (keV)	J^π(level)	T_1/2(level)	E(γ)	I(γ)	M(γ)	Final Levels
Band 1 - GS band.
0.0	0+	193.28 ms 7 % ε = 100
936.90 15	1+
1445.66 15	2+		508.7 2 1445.7 2	100 2 10.4 3	M1(+E2) E2	936.90 0.0	1+ 0+
1821.51 21	3+		375.8 2 884.6 4	100 3 2.2 3	M1(+E2) E2	1445.66 936.90	2+ 1+
2651.98 24	4+		765.0 2 830.4 2 1206.4 3	57 2 100 3 <2	M1(+E2) M1(+E2) E2	1887.0 1821.51 1445.66	5+ 3+ 2+
5046.5 19	10+		1683 1 1876 1	43 14 100 9	D+Q	3363.5 3170.5	8+ (9+)
E(level) (keV)	J^π(level)	T_1/2(level)	E(γ)	I(γ)	M(γ)	Final Levels
Band 2 - Yrast sequence.
197.1 4	7+	1.48 m 2 % ε = 100
3170.5 18	(9+)
3363.5 18	8+		193 1 3165 3	12 12 100 12	D+Q	3170.5 197.1	(9+) 7+
4727.6 20	(11+)		1557 1	100	Q	3170.5	(9+)
7241.5 23	(12+)		2195 2 2514 2	12 7 100 14	(D+Q)	5046.5 4727.6	10+ (11+)
8418 3	13+		3690 3	100	Q	4727.6	(11+)
10486 3	(14+)		2068 1 3245 3	71 13 100 21	(D+Q) (Q)	8418 7241.5	13+ (12+)
E(level) (keV)	J^π(level)	T_1/2(level)	E(γ)	I(γ)	M(γ)	Final Levels
Band 3 - Yrare sequence.
9689 5	(13+)
9994 5	(13+)
10252 6			5524 5	100		4727.6	(11+)
10507 8			5779 7	100		4727.6	(11+)

E(level) (keV)	J^π(level)	T_1/2(level)	E(γ) (keV)	Multipolarity	Mixing Ratio
1445.66	2+		508.7 2	M1(+E2)	+0.02 3
1821.51	3+		375.8 2	M1(+E2)	-0.01 5
2173.66	3+		728.0 3	M1(+E2)	+0.01 5
2289.27	(3)		843.6 2	D(+Q)	-0.03 4
2651.98	4+		765.0 2	M1(+E2)	+0.04 6
2651.98	4+		830.4 2	M1(+E2)	+0.00 3
2851.3	4+		1029.8 2	M1+E2	+0.12 4

E(level)	J^π(level)	T_1/2(level)	Comments
0.0	0+	193.28 ms 7 % ε = 100	T=1 (2000Sc06) E(level): GS band. GS band. J^π(level): Configuration=((π f_7/2)^-1(ν f_7/2)^-1) in ⁵⁴Fe(³He,t) (1973Ru03).
197.1	7+	1.48 m 2 % ε = 100	T=0 (2000Sc06) E(level): Yrast sequence. J^π(level): Configuration=((π f_7/2)^-1(ν f_7/2)^-1) in ⁵⁴Fe(³He,t) (1973Ru03).
936.90	1+		T=0 (2000Sc06) E(level): GS band. J^π(level): Configuration=((π f_7/2)^-1(ν f_7/2)^-1) in ⁵⁴Fe(³He,t) (1973Ru03). L=0, G-T transitions identified by 1990An06 in (p,n).
1445.66	2+		T=1 (2000Sc06) E(level): GS band. J^π(level): Configuration=((π f_7/2)^-1(ν f_7/2)^-1) in ⁵⁴Fe(³He,t) (1973Ru03).
1614.09	1+		T=0 (2000Sc06) XREF: γ(1590)K(1610).
1821.51	3+		T=0 (2000Sc06,2004Vo04) XREF: γ(1800). E(level): GS band. J^π(level): Configuration=((π f_7/2)^-1(ν f_7/2)^-1) in ⁵⁴Fe(³He,t) (1973Ru03).
1887.0	5+		T=0 (2000Sc06,2004Vo04) XREF: γ(1870).
2010	1+		J^π(level): L=0, G-T transitions identified by 1990An06 in (p,n).
2082.8	(5+)		XREF: γ(2070)I(2070).
2149.3	5+		T=0 (2000Sc06) XREF: γ(2140)J(2154). J^π(level): Configuration=((π f_7/2)^-1(ν f_7/2)^-1) in ⁵⁴Fe(³He,t) (1973Ru03).
2289.27	(3)		T=0 (2000Sc06) XREF: γ(2285).
2350	1+		E(level): From (p,n). J^π(level): L=0, G-T transitions identified by 1990An06 in (p,n).
2390			E(level): From (p,n).
2424.6	1+		J^π(level): G-T transitions identified by 2012MoZW in ⁵⁴Ni ε decay.
2651.98	4+		T=1 (2004Vo04) XREF: γ(2645)I(2645)K(2645). E(level): GS band.
2911.6	(6+)		XREF: I(2900).
3170.5	(9+)		E(level): Yrast sequence.
3266.2			XREF: I(3200).
3306.8			XREF: I(3290).
3363.5	8+		E(level): Yrast sequence.
3376.1	1+		J^π(level): G-T transitions identified by 2012MoZW in ⁵⁴Ni ε decay.
3399.3			XREF: γ(3390).
3504.0			XREF: J(3512).
3889.6	1+		XREF: γ(3900). J^π(level): G-T transitions identified by 2012MoZW in ⁵⁴Ni ε decay.
4078.3			XREF: I(4093).
E(level)	J^π(level)	T_1/2(level)	Comments
4130	1+		E(level): From (p,n). J^π(level): L=0, G-T transitions identified by 1990An06 in (p,n).
4293.4	1+		XREF: I(4298). J^π(level): G-T transitions identified by 2012MoZW in ⁵⁴Ni ε decay.
4323.0	1+		J^π(level): G-T transitions identified by 2012MoZW in ⁵⁴Ni ε decay.
4543.8	1+		XREF: γ(4530). J^π(level): G-T transitions identified by 2012MoZW in ⁵⁴Ni ε decay.
4727.6	(11+)		E(level): Yrast sequence.
4822.8	1+		XREF: γ(4800). J^π(level): G-T transitions identified by 2012MoZW in ⁵⁴Ni ε decay.
5046.5	10+		XREF: I(5000). E(level): GS band.
5202.4	1+		XREF: γ(5200)I(5221). J^π(level): G-T transitions identified by 2012MoZW in ⁵⁴Ni ε decay.
5294	1+		XREF: γ(5320).
5470	1+		XREF: γ(5400). J^π(level): L=0, G-T transitions identified by 1990An06 in (p,n).
5917	1+		XREF: γ(5920). J^π(level): L=0, G-T transitions identified by 1990An06 in (p,n).
6127	1+		XREF: γ(6150). J^π(level): L=0, G-T transitions identified by 1990An06 in (p,n).
6476	1+		XREF: γ(6480). J^π(level): L=0, G-T transitions identified by 1990An06 in (p,n).
6805	1+		XREF: γ(6820). J^π(level): L=0, G-T transitions identified by 1990An06 in (p,n).
7149	1+		XREF: γ(7120). J^π(level): L=0, G-T transitions identified by 1990An06 in (p,n).
7241.5	(12+)		E(level): Yrast sequence.
7466	1+		XREF: γ(7460). J^π(level): L=0, G-T transitions identified by 1990An06 in (p,n).
7730	1+		J^π(level): L=0, G-T transitions identified by 1990An06 in (p,n).
7963	1+		XREF: γ(7990). J^π(level): L=0, G-T transitions identified by 1990An06 in (p,n).
8290	1+		E(level): From (p,n). J^π(level): L=0, G-T transitions identified by 1990An06 in (p,n).
8418	13+		E(level): Yrast sequence.
8823			E(level): From (p,n). J^π(level): L=0, G-T transitions identified by 1990An06 in (p,n).
9014	1+		T=(0) (2013Ad03) XREF: γ(9030). J^π(level): L=0, G-T transitions identified by 1990An06 in (p,n).
9367	1+		T=1 (2013Ad03) XREF: γ(9340). J^π(level): L=0, G-T transitions identified by 1990An06 in (p,n).
9680	1+		E(level): From (p,n). J^π(level): L=0, G-T transitions identified by 1990An06 in (p,n).
E(level)	J^π(level)	T_1/2(level)	Comments
9689	(13+)		E(level): Yrare sequence.
9994	(13+)		E(level): Yrare sequence.
10067	1+		T=(1) (2013Ad03) XREF: γ(10060).
10209	1+		T=(2) (2013Ad03) XREF: γ(10230). J^π(level): L=0, G-T transitions identified by 1990An06 in (p,n).
10252			E(level): Yrare sequence.
10486	(14+)		E(level): Yrast sequence.
10507			XREF: γ(10500). E(level): Yrare sequence.
11050			E(level): From (p,n).
11393			T=(0) (2013Ad03) XREF: γ(11400).
11759			T=2 (2013Ad03) XREF: γ(11750).
12210			E(level): From (p,n).
13440			E(level): From (p,n).

E(level)	E(gamma)	Comments
1821.51	375.8	E(γ): from unweighted average of 376.0 (p,nγ) and 375.5 (³⁶Ar,2αpnγ).
2277.6	831.9	E(γ): From (²⁸Si,pnγ).
2424.6	2424.6	E(γ): ⁵⁴Ni ε decay. I(γ): ⁵⁴Ni ε decay.
2911.6	259.6	E(γ): From ²⁸Si(³⁶Ar,2αpnγ) I(γ): From ²⁸Si(³⁶Ar,2αpnγ)
2911.6	1025	E(γ): From ²⁸Si(³⁶Ar,2αpnγ) I(γ): From ²⁸Si(³⁶Ar,2αpnγ)
2915.8	833	E(γ): From ²⁸Si(³²S,αpnγ). I(γ): From ²⁸Si(³²S,αpnγ).
2979	2782	E(γ): From ²⁸Si(³²S,αpnγ). I(γ): From ²⁸Si(³²S,αpnγ).
3170.5	2974	E(γ): From ²⁸Si(³²S,αpnγ). I(γ): From ²⁸Si(³²S,αpnγ). M(γ): From ²⁸Si(³²S,αpnγ).
3266.2	977	E(γ): From ²⁸Si(³²S,αpnγ). I(γ): From ²⁸Si(³²S,αpnγ).
3266.2	1183	E(γ): From ²⁸Si(³²S,αpnγ). I(γ): From ²⁸Si(³²S,αpnγ).
3326.0	674	E(γ): From ²⁸Si(³²S,αpnγ). I(γ): From ²⁸Si(³²S,αpnγ).
3363.5	193	E(γ): From ²⁸Si(³²S,αpnγ). I(γ): From ²⁸Si(³²S,αpnγ).
3363.5	3165	E(γ): From ²⁸Si(³²S,αpnγ). I(γ): From ²⁸Si(³²S,αpnγ). M(γ): From ²⁸Si(³²S,αpnγ).
3376.1	3376.1	E(γ): ⁵⁴Ni ε decay. I(γ): ⁵⁴Ni ε decay.
3794	3597	E(γ): From ²⁸Si(³²S,αpnγ). I(γ): From ²⁸Si(³²S,αpnγ).
3889.6	3889.6	E(γ): ⁵⁴Ni ε decay. I(γ): ⁵⁴Ni ε decay.
4293.4	4293.4	E(γ): ⁵⁴Ni ε decay. I(γ): ⁵⁴Ni ε decay.
4323.0	4323.0	E(γ): ⁵⁴Ni ε decay. I(γ): ⁵⁴Ni ε decay.
4543.8	4543.8	E(γ): ⁵⁴Ni ε decay. I(γ): ⁵⁴Ni ε decay.
4727.6	1557	E(γ): From ²⁸Si(³²S,αpnγ). I(γ): From ²⁸Si(³²S,αpnγ). M(γ): From ²⁸Si(³²S,αpnγ).
4822.8	4822.8	E(γ): ⁵⁴Ni ε decay. I(γ): ⁵⁴Ni ε decay.
5046.5	1683	E(γ): From ²⁸Si(³²S,αpnγ). I(γ): From ²⁸Si(³²S,αpnγ).
5046.5	1876	E(γ): From ²⁸Si(³²S,αpnγ). I(γ): From ²⁸Si(³²S,αpnγ). M(γ): From ²⁸Si(³²S,αpnγ).
5202.4	5202.4	E(γ): ⁵⁴Ni ε decay. I(γ): ⁵⁴Ni ε decay.
5358.4	1994	E(γ): From ²⁸Si(³²S,αpnγ). I(γ): From ²⁸Si(³²S,αpnγ).
5358.4	2188	E(γ): From ²⁸Si(³²S,αpnγ). I(γ): From ²⁸Si(³²S,αpnγ). M(γ): From ²⁸Si(³²S,αpnγ).
E(level)	E(gamma)	Comments
6897	3726	E(γ): From ²⁸Si(³²S,αpnγ). I(γ): From ²⁸Si(³²S,αpnγ). M(γ): From ²⁸Si(³²S,αpnγ).
7241.5	2195	E(γ): From ²⁸Si(³²S,αpnγ). I(γ): From ²⁸Si(³²S,αpnγ).
7241.5	2514	E(γ): From ²⁸Si(³²S,αpnγ). I(γ): From ²⁸Si(³²S,αpnγ). M(γ): From ²⁸Si(³²S,αpnγ).
7454	2407	E(γ): From ²⁸Si(³²S,αpnγ). I(γ): From ²⁸Si(³²S,αpnγ).
7454	4091	E(γ): From ²⁸Si(³²S,αpnγ). I(γ): From ²⁸Si(³²S,αpnγ).
8332	2973	E(γ): From ²⁸Si(³²S,αpnγ). I(γ): From ²⁸Si(³²S,αpnγ).
	3285	E(γ): From ²⁸Si(³²S,αpnγ). I(γ): From ²⁸Si(³²S,αpnγ).
	3604	E(γ): From ²⁸Si(³²S,αpnγ). I(γ): From ²⁸Si(³²S,αpnγ). M(γ): From ²⁸Si(³²S,αpnγ).
8418	3690	E(γ): From ²⁸Si(³²S,αpnγ). I(γ): From ²⁸Si(³²S,αpnγ). M(γ): From ²⁸Si(³²S,αpnγ).
8823	3465	E(γ): From ²⁸Si(³²S,αpnγ). I(γ): From ²⁸Si(³²S,αpnγ).
9689	2446	E(γ): From ²⁸Si(³²S,αpnγ). I(γ): From ²⁸Si(³²S,αpnγ).
9689	4961	E(γ): From ²⁸Si(³²S,αpnγ). I(γ): From ²⁸Si(³²S,αpnγ). M(γ): From ²⁸Si(³²S,αpnγ).
9994	5266	E(γ): From ²⁸Si(³²S,αpnγ). I(γ): From ²⁸Si(³²S,αpnγ). M(γ): From ²⁸Si(³²S,αpnγ).
10252	5524	E(γ): From ²⁸Si(³²S,αpnγ). I(γ): From ²⁸Si(³²S,αpnγ).
10486	2068	E(γ): From ²⁸Si(³²S,αpnγ). I(γ): From ²⁸Si(³²S,αpnγ). M(γ): From ²⁸Si(³²S,αpnγ).
10486	3245	E(γ): From ²⁸Si(³²S,αpnγ). I(γ): From ²⁸Si(³²S,αpnγ). M(γ): From ²⁸Si(³²S,αpnγ).
10507	5779	E(γ): From ²⁸Si(³²S,αpnγ). I(γ): From ²⁸Si(³²S,αpnγ).