List of levels for 86KR

ADOPTED LEVELS, GAMMAS for ⁸⁶Kr

Authors: Alexandru Negret, Balraj Singh | Citation: Nucl. Data Sheets 124, 1 (2015) | Cutoff date: 30-Nov-2014

Full ENSDF file | Adopted Levels (PDF version)

Q(β-)=-518.66 keV 20	S(n)= 9856.7 keV 20	S(p)= 11979 keV 3	Q(α)= -8096.7 keV 14
Reference: 2012WA38

References:
A	⁸⁶Br β^- decay (55.1 S)	B	⁸⁶Rb ε decay (18.642 d)
C	⁸⁷Br β^-n decay (55.65 S)	D	⁸²Se(⁷Li,p2nγ)
E	⁸⁴Kr(t,p)	F	⁸⁶Kr(γ,γ’)
G	⁸⁶Kr(n,n’γ)	H	⁸⁶Kr(p,p’)
I	⁸⁶Kr(d,d’)	J	Coulomb Excitation
K	⁸⁷Rb(d,³He)	L	⁸⁷Rb(t,α)
M	²⁰⁸Pb(¹⁸O,Fγ)

⁸⁶Kr isotope identified in mass spectroscopic studies by Aston, Nature 105, 8 (1920); also 1921As01.

Other reaction:

⁸⁶Kr(n,n) E|<1 MeV: 1989Jo01 analyzed σ(E) to deduce optical model parameter.

Mean square charge radius and isotopic shift: 2000Ga58, 1995Ke04, 1992Sc19, 1990Ca26.

Q-value: S(2n)=16968.96 1, S(2p)=21895.9 20, Q(2β^-)=1257.5 11 (2012Wa38)

E(level) (keV)	XREF	J^π(level)	T_1/2(level)	E(γ) (keV)	I(γ)	M(γ)	Final Levels
0	A B C D E F G H I J K L M	0+	STABLE
1564.61 7	A D E F G H I J K L M	2+	0.286 ps +28-24	1564.67 9	100	E2	0	0+
2250.01 10	A D E G H I J K L M	4+	3.1 ns 6	685.35 7	100	E2	1564.61	2+
2349.47 7	A E F G H I K L	2+		784.96 8 2349.37 12	41 4 100		1564.61 0	2+ 0+
2726.4 4	E G H K L	0+		376.8 1162.0	70 6 100		2349.47 1564.61	2+ 2+
2850.72 9	A H I K L	(2,3)+		501.25 7 1286.08 9	22.2 20 100.0 19		2349.47 1564.61	2+ 2+
2916.83 11	A G	(3-)		666.77 7 1352.1	100 25 4		2250.01 1564.61	4+ 2+
2926.16 8	A G H K L	(2)+		576.72 8 1361.63 10 2925.93 20	4.8 4 100 21.3 25		2349.47 1564.61 0	2+ 2+ 0+
3009.43 11	A G H L	(1,2)+		660.02 10 3009.0 3	79 6 100		2349.47 0	2+ 0+
3098.85 9	A E G H I L	3-		1534.24 8	100		1564.61	2+
3328.1 5	G H L	(3+,4+)		1763.5	100		1564.61	2+
3541.3 4	E G H L	0+		1191.6 1976.9	100 50 8		2349.47 1564.61	2+ 2+
3583.4 5	G H	(0+:4+)		2018.8	100		1564.61	2+
3782.8 4	F H L	(LE 3)(+)		3782.7 4	100		0	0+
3816.32 19	D G H M	(5+)		1566.3 2	100		2250.01	4+
3832 10	E H	0+
3935.1 3	D G H M	(5)		1685.1 3	100		2250.01	4+
3959 10	E L	(3-,4+)
4038.6 3	F H L	(2,3)-		4038.5 3	100	[M2,E3]	0	0+
4064.12 19	D G M	(6+)		247.8 3 1814.1 2	38 100	D+Q E2	3816.32 2250.01	(5+) 4+
4072 10	E H	(5-)
E(level) (keV)	XREF	J^π(level)	T_1/2(level)	E(γ) (keV)	I(γ)	M(γ)	Final Levels
4111 10	E	2+
4175 20	H L	(4+)
4194 10	E L	2+
4277 10	H L	(7+)
4315.82 8	A E H	(2-)		1217.02 9 1306.57 25 1389.73 9 1398.48 22 1465.09 10 1966.27 11 2751.06 15 4316.5 6 ?	34.6 7 2.01 23 53.2 10 1.8 3 39.0 10 34.4 10 100 3 0.6 3	[M2]	3098.85 3009.43 2926.16 2916.83 2850.72 2349.47 1564.61 0	3- (1,2)+ (2)+ (3-) (2,3)+ 2+ 2+ 0+
4399 20	H	(4+)
4400.82 10	F	1		4400.7 1	100	D	0	0+
4430.50 25	D M	(6-)		495.3 4 614.2 3	42 100		3935.1 3816.32	(5) (5+)
4559 20	H	(4+)
4666 10	E H	(3-,4+)
4693.3 3	D M	(7)		262.8 3 629.3 4 758.2 4	100 76 ≈32		4430.50 4064.12 3935.1	(6-) (6+) (5)
4706 9	E H
4755.77 25	D M	(7+)		325.3 4 691.6 2	20 100		4430.50 4064.12	(6-) (6+)
4819 12	E H	(2+)
4867.5 6	F	(1-)		4867.4 6	100	(E1)	0	0+
4928 10	H	(4+)
4932.55 20	F			4932.4 2	100		0	0+
4948 10	E	(2+)
4991 10	E
E(level) (keV)	XREF	J^π(level)	T_1/2(level)	E(γ) (keV)	I(γ)	M(γ)	Final Levels
5127 20	H
5203 20	H
5313.98 20	A H			2387.79 18 3064.38 19 ?	100 11 34 4		2926.16 2250.01	(2)+ 4+
5406.10 23	A H	(1,2)		2480.4 5 5405.80 25	7.1 11 100 6		2926.16 0	(2)+ 0+
5438 10	E
5517.42 18	A E F	1-		2418.24 23 5517.58 25	22 9 100 5	E1	3098.85 0	3- 0+
5571.2 12	F H	1		5571.0 12	100	D	0	0+
5637 10 ?	E
5660.3 3	D M	(8+)		904.4 4 967.0 4 1596.2 4	63 100 88		4755.77 4693.3 4064.12	(7+) (7) (6+)
5669.1 5	D M			1238.6 4	100		4430.50	(6-)
5707 10	E
5788.4 3	F	(1)		5788.2 3	100	(D)	0	0+
5799 9	E H
5814.5 4	D M	(9+)		154.2 3 1058.7 3	100 63		5660.3 4755.77	(8+) (7+)
5862 9	E H
5924.3 4	F H	1-		5924.1 4	100	E1	0	0+
5981 10	E
6085.1 5	D M			1391.8 4	100		4693.3	(7)
6089.1 5	A	(1,2)		6088.9 5	100		0	0+
6118 10	E
6160.34 20	A F	1-		6160.1 2	100	E1	0	0+
6211.8 3	A E F	1		6211.6 3	100	D	0	0+
6248.0 4	D M	(10)		433.5 2	100		5814.5	(9+)
6318 10	E
E(level) (keV)	XREF	J^π(level)	T_1/2(level)	E(γ) (keV)	I(γ)	M(γ)	Final Levels
6328.8 3	F	1-		6328.6 3	100	E1	0	0+
6397 10	E
6432.16 20	F	1-		6431.9 2	100	E1	0	0+
6463.2 3	F	1-		6462.9 3	100	E1	0	0+
6531.97 20	F	1-		6531.7 2	100	E1	0	0+
6678.9 5	F	1		6678.6 5	100	D	0	0+
6720.5 6	A	(1,2)		6720.2 6	100		0	0+
6768.30 22	A	(1,2)		3758.8 3 6768.0 3	100 12 14.8 16		3009.43 0	(1,2)+ 0+
6818.6 4	F	1-		6818.3 4	100	E1	0	0+
7028.4 4	F	1-		7028.1 4	100	E1	0	0+
7128.1 5	D	(10)		880.0 4 1313.7 4	≈100 ≈70		6248.0 5814.5	(10) (9+)
7234.6 4	F	(1)		7234.3 4	100	(D)	0	0+
7304.5 5	F	1-		7304.2 5	100	E1	0	0+
7314.6 3	F	1-		7314.3 3	100	E1	0	0+
7459.5 5	D	(11)		331.4 3 1211.5 4	100 ≈25		7128.1 6248.0	(10) (10)
7570.0 4	F	1-		7569.6 4	100	E1	0	0+
7675.7 4	F	1		7675.3 4	100	D	0	0+
7745.8 4	F	1		7745.4 4	100	D	0	0+
7797.9 4	F	1-		7797.5 4	100	E1	0	0+
7846.6 5	F	1-		7846.2 5	100	E1	0	0+
7874.2 7	F	1-		7873.8 7	100	E1	0	0+
7876.4 6	D	(12)		416.9 3	100		7459.5	(11)
7958.4 4	F	1-		7958.0 4	100	E1	0	0+
8428.6 4	F	1-		8428.2 4	100	E1	0	0+
8621.7 8	F	1-		8621.2 8	100	E1	0	0+
8651.3 3	F	1-		8650.8 3	100	E1	0	0+
8802.5 6	F	1		8802.0 6	100	D	0	0+
E(level) (keV)	XREF	J^π(level)	T_1/2(level)	E(γ) (keV)	I(γ)	M(γ)	Final Levels
8841.6 8	F	1-		8841.1 8	100	E1	0	0+
9014.4 6	F	1-		9013.9 6	100	E1	0	0+
9068.1 10	F	1		9067.6 10	100	D	0	0+
9086.1 8	F	1-		9085.6 8	100	E1	0	0+
9452.9 5	F	1		9452.3 5	100	D	0	0+
9478.0 18	F			9477.4 18	100		0	0+
10116.2 8	F	1		10115.6 8	100	D	0	0+

E(level): From least-squares fit to Eγ values for levels populated in γ-ray studies. Others are weighted averages of values observed in particle reaction studies

J^π(level): For high-spin (J>6), the assignments are based on γ(θ) data in (⁷Li,p2nγ), unless otherwise stated.

E(level) (keV)	J^π(level)	T_1/2(level)	E(γ) (keV)	Multipolarity	Additional Data
1564.61	2+	0.286 ps +28-24	1564.67 9	E2	B(E2)(W.u.)=9.4 8
2250.01	4+	3.1 ns 6	685.35 7	E2	B(E2)(W.u.)=0.054 11

E(level)	J^π(level)	T_1/2(level)	Comments
0	0+	STABLE	RMS charge radius <r²>^1/2=4.1835 fm 21 (2013An02).
2250.01	4+	3.1 ns 6	μ=+4.12 56 (2014Ku10) Configuration=πf_5/2^-1~#πp_3/2^-1.
3098.85	3-		B(E3)=0.036 12 (2002Ki06 evaluation based on β₃ from data in 1974Ar29 and 1978Ma11).
3935.1	(5)		XREF: H(3938).
3959	(3-,4+)		XREF: L(3930).
4064.12	(6+)		Configuration=πf_5/2^-3~#πp_3/2^-1~#πp_1/2⁺²₀₊~# νg_9/2^-1~#νd_5/2⁺¹.
4072	(5-)		XREF: H(4090).
4277	(7+)		E(level): Weighted average from ⁸⁶Br β^- and (⁷Li,p2nγ). J^π(level): From σ(θ) in (p,p’) and assumption of ν(d_5/2g_9/2^-1) excitation.
4315.82	(2-)		XREF: E(4298)H(4308).
4399	(4+)		E(level): Weighted average from ⁸⁶Br β^- and (⁷Li,p2nγ). J^π(level): From σ(θ) in (p,p’) and assumption of ν(d_5/2g_9/2^-1) excitation.
4400.82	1		J^π(level): From (γγ’) data, transition to 0⁺ g.s. is E1 or dipole.
4559	(4+)		E(level): Weighted average from ⁸⁶Br β^- and (⁷Li,p2nγ). J^π(level): From σ(θ) in (p,p’) and assumption of ν(d_5/2g_9/2^-1) excitation.
4867.5	(1-)		J^π(level): From (γγ’) data, transition to 0⁺ g.s. is E1 or dipole.
5517.42	1-		J^π(level): From (γγ’) data, transition to 0⁺ g.s. is E1 or dipole.
5571.2	1		J^π(level): From (γγ’) data, transition to 0⁺ g.s. is E1 or dipole.
5788.4	(1)		J^π(level): From (γγ’) data, transition to 0⁺ g.s. is E1 or dipole.
5924.3	1-		J^π(level): From (γγ’) data, transition to 0⁺ g.s. is E1 or dipole.
6160.34	1-		J^π(level): From (γγ’) data, transition to 0⁺ g.s. is E1 or dipole.
6211.8	1		J^π(level): From (γγ’) data, transition to 0⁺ g.s. is E1 or dipole.
6328.8	1-		J^π(level): From (γγ’) data, transition to 0⁺ g.s. is E1 or dipole.
6432.16	1-		J^π(level): From (γγ’) data, transition to 0⁺ g.s. is E1 or dipole.
6463.2	1-		J^π(level): From (γγ’) data, transition to 0⁺ g.s. is E1 or dipole.
6531.97	1-		J^π(level): From (γγ’) data, transition to 0⁺ g.s. is E1 or dipole.
6678.9	1		J^π(level): From (γγ’) data, transition to 0⁺ g.s. is E1 or dipole.
6818.6	1-		J^π(level): From (γγ’) data, transition to 0⁺ g.s. is E1 or dipole.
E(level)	J^π(level)	T_1/2(level)	Comments
7028.4	1-		J^π(level): From (γγ’) data, transition to 0⁺ g.s. is E1 or dipole.
7234.6	(1)		J^π(level): From (γγ’) data, transition to 0⁺ g.s. is E1 or dipole.
7304.5	1-		J^π(level): From (γγ’) data, transition to 0⁺ g.s. is E1 or dipole.
7314.6	1-		J^π(level): From (γγ’) data, transition to 0⁺ g.s. is E1 or dipole.
7570.0	1-		J^π(level): From (γγ’) data, transition to 0⁺ g.s. is E1 or dipole.
7675.7	1		J^π(level): From (γγ’) data, transition to 0⁺ g.s. is E1 or dipole.
7745.8	1		J^π(level): From (γγ’) data, transition to 0⁺ g.s. is E1 or dipole.
7797.9	1-		J^π(level): From (γγ’) data, transition to 0⁺ g.s. is E1 or dipole.
7846.6	1-		J^π(level): From (γγ’) data, transition to 0⁺ g.s. is E1 or dipole.
7874.2	1-		J^π(level): From (γγ’) data, transition to 0⁺ g.s. is E1 or dipole.
7958.4	1-		J^π(level): From (γγ’) data, transition to 0⁺ g.s. is E1 or dipole.
8428.6	1-		J^π(level): From (γγ’) data, transition to 0⁺ g.s. is E1 or dipole.
8621.7	1-		J^π(level): From (γγ’) data, transition to 0⁺ g.s. is E1 or dipole.
8651.3	1-		J^π(level): From (γγ’) data, transition to 0⁺ g.s. is E1 or dipole.
8802.5	1		J^π(level): From (γγ’) data, transition to 0⁺ g.s. is E1 or dipole.
8841.6	1-		J^π(level): From (γγ’) data, transition to 0⁺ g.s. is E1 or dipole.
9014.4	1-		J^π(level): From (γγ’) data, transition to 0⁺ g.s. is E1 or dipole.
9068.1	1		J^π(level): From (γγ’) data, transition to 0⁺ g.s. is E1 or dipole.
9086.1	1-		J^π(level): From (γγ’) data, transition to 0⁺ g.s. is E1 or dipole.
9452.9	1		J^π(level): From (γγ’) data, transition to 0⁺ g.s. is E1 or dipole.
10116.2	1		J^π(level): From (γγ’) data, transition to 0⁺ g.s. is E1 or dipole.

E(level)	E(gamma)	Comments
1564.61	1564.67	E(γ): Weighted average from ⁸⁶Br β^- and (⁷Li,p2nγ)
2349.47	784.96	I(γ): unweighted average from ⁸⁶Br β^- and (n,n’γ)
4064.12	247.8	E(γ): γ not reported in (n,n’γ)
5517.42	2418.24	E(γ): γ from ⁸⁶Br decay only