List of levels for 26NA

ADOPTED LEVELS, GAMMAS for ²⁶Na

Authors: M.S. Basunia and A.M. Hurst | Citation: Nucl. Data Sheets 134, 1 (2016) | Cutoff date: 1-Feb-2016

Full ENSDF file | Adopted Levels (PDF version)

Q(β-)=9354 keV 4	S(n)= 5574 keV 4	S(p)= 1.209×10⁴ keV 5	Q(α)= -12079 keV 13
Reference: 2012WA38

References:
A	²⁶Ne β^- decay	B	¹⁴C(¹⁴C,dγ)
C	²⁵Na(d,pγ)	D	²⁶Ne(d,2nγ)
E	Coulomb Excitation	F	²⁶Mg(n,p)
G	²⁶Mg(t,³He)	H	²⁶Mg(⁷Li,⁷Be)
I	²⁶Mg(¹¹B,¹¹C)

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 G H I	3+	1.07128 s 25 % β^- = 100
82.2 6	A C D E G	1+	9 µs 2 % IT = 100	84 3	100	E2	0	3+
232.7 6	A B C D E G H I	2+	0.9 ns +6-5	153 3 232 2	75.1 25 100 4	M1+E2 M1+E2	82.2 0	1+ 3+
406.7 5	A B C D E G H	2+	0.18 ns +17-13	174 323 404 3	2.8 4 14.6 6 100.0 19	M1+E2 M1+E2	232.7 82.2 0	2+ 1+ 3+
840 40	H
1408.0 10	B G			1408	100.0		0	3+
1509.0 11	A B C D G	(1+)		1102 1279 3	<10.00 ≈100.0	D	406.7 232.7	2+ 2+
1660.2 12	B			1578	100.0		82.2	1+
1808.0 6	C G	(3+)		1402 1577 1806	8.8 19 24 4 100 6		406.7 232.7 0	2+ 2+ 3+
1996.5 7	B C D G	(4+)		1590 1764 1996	≈54.8 ≈100.0 ≈100.0		406.7 232.7 0	2+ 2+ 3+
2045.2 7	B G I			1639 2044	100.0 100.0		406.7 0	2+ 3+
2118.2 8	C I	(5+)		2118	100.0		0	3+
2126.1 10	B			2126	100.0		0	3+
2182.3 8	B			1775 2101	100.0 18.6		406.7 82.2	2+ 1+
2192.9 8	C G	(2+)		1786 2193	<20.00 ≈100.0		406.7 0	2+ 3+
2225.5 9	A C D H	(4+)		418 2219 4	6.2 6 100 5		1808.0 0	(3+) 3+
E(level) (keV)	XREF	J^π(level)	T_1/2(level)	E(γ) (keV)	I(γ)	M(γ)	Final Levels
2230.4 8	B			1996 2232	70.5 100.0		232.7 0	2+ 3+
2284.1 10	B G	(5+)		2284	100.0		0	3+
2422.5 8	C	(2+)		2015 2423	1.0E2 4 9E1 3		406.7 0	2+ 3+
2452.7 8	B G			2044 2371	37.9 100.0		406.7 82.2	2+ 1+
2712.3 12	B G			2630	100.0		82.2	1+
2720 3	A B	(1+)		1212 3 2486 4	100.0 92.0		1509.0 232.7	(1+) 2+
2803.9 8	B G			350 2805	24.1 100.0		2452.7 0	3+
2853.1 7	C F	(2-)		2620 2771 2853	81 8 100 8 60 6		232.7 82.2 0	2+ 1+ 3+
2937.8 8	B G	(1+,2+)		2855 2938	76.2 100.0		82.2 0	1+ 3+
3134.0 8	C G	(3)-		2727 3134	51 6 100 7		406.7 0	2+ 3+
3222.8 10	B G	(2+)		1041 1177	100.0 42.6		2182.3 2045.2
3304.6 12	B G			1308	100.0		1996.5	(4+)
3417.4 12	B G			3335	100.0		82.2	1+
3509.3 8	C	(4)-		3509	100.0		0	3+
3603.4 12	B G			3521	100.0		82.2	1+
3814 15	G
3966 15	G
4090.1 12	C G	(2)-		2282	100.0	D	1808.0	(3+)
4188.1 15	B G			2679	100.0		1509.0	(1+)
4303.4 8	C	(5-)		794 2078 2185	100 7 70 6 43 4		3509.3 2225.5 2118.2	(4)- (4+) (5+)
E(level) (keV)	XREF	J^π(level)	T_1/2(level)	E(γ) (keV)	I(γ)	M(γ)	Final Levels
4440 15	G
4702 15	G I
4915.4 9	C H	(6-)		612 1406 2797	100 6 39 4 63 5	D	4303.4 3509.3 2118.2	(5-) (4)- (5+)
4970 40	G	(4+)
5013.2 12	C	(3-,4-)		3205	100.0		1808.0	(3+)
5080 60	G	(2+)
5480	F
7200	G
9000	G

E(level): From least-squares fit to Eγ data (by evaluators) yielding a reduced χ²=1.8 assuming Δ(Eγ)=1 keV for γ rays without uncertainty, except where noted.

E(γ): From ²⁵Na(d,pγ), except otherwise noted.

I(γ): Relative photon branching from each level.

E(level) (keV)	J^π(level)	T_1/2(level)	E(γ) (keV)	Multipolarity	Mixing Ratio	Additional Data
82.2	1+	9 µs 2 % IT = 100	84 3	E2		B(E2)(W.u.)=3.6 9
232.7	2+	0.9 ns +6-5	153 3	M1+E2	+0.16 7	B(E2)(W.u.)=19 +20-18, B(M1)(W.u.)=0.0030 +17-20
232.7	2+	0.9 ns +6-5	232 2	M1+E2	-0.32 14	B(E2)(W.u.)=11 10, B(M1)(W.u.)=0.0010 +6-7
406.7	2+	0.18 ns +17-13	323	M1+E2	+0.14 9	B(E2)(W.u.)=0.5 +7-4, B(M1)(W.u.)=0.0004 +2-3
406.7	2+	0.18 ns +17-13	404 3	M1+E2	-0.25 12	B(E2)(W.u.)=3 +4-2, B(M1)(W.u.)=0.0015 +11-14

E(level)	J^π(level)	T_1/2(level)	Comments
0	3+	1.07128 s 25 % β^- = 100	Q=-0.0053 2, μ=+2.851 2 Matter radius <r²>^1/2=2.92 fm 3 and 2.93 fm 4 (1998Su07). E(level): Matter radius <r²>^1/2=2.92 fm 3 and 2.93 fm 4 (1998Su07).
82.2	1+	9 µs 2 % IT = 100	J^π(level): Based on observation of allowed β^- decay from 0⁺ g.s. in ²⁶Ne.
232.7	2+	0.9 ns +6-5	XREF: H(210).
406.7	2+	0.18 ns +17-13	XREF: γ(420).
1509.0	(1+)		XREF: B(1514). J^π(level): Based on observation of allowed β^- decay from 0⁺ g.s. in ²⁶Ne.
1808.0	(3+)		XREF: γ(1860). J^π(level): Deduced by excitation energy, angular momentum transfer, spectroscopic factor, comparison with shell-model calculations, and measured γ-ray branching ratios from ²⁵Na(d,pγ) in 2015Ca03 and 2012WiZW.
1996.5	(4+)		J^π(level): Deduced by excitation energy, angular momentum transfer, spectroscopic factor, comparison with shell-model calculations, and measured γ-ray branching ratios from ²⁵Na(d,pγ) in 2015Ca03 and 2012WiZW.
2118.2	(5+)		J^π(level): Deduced by excitation energy, angular momentum transfer, spectroscopic factor, comparison with shell-model calculations, and measured γ-ray branching ratios from ²⁵Na(d,pγ) in 2015Ca03 and 2012WiZW.
2192.9	(2+)		J^π(level): Deduced by excitation energy, angular momentum transfer, spectroscopic factor, comparison with shell-model calculations, and measured γ-ray branching ratios from ²⁵Na(d,pγ) in 2015Ca03 and 2012WiZW.
2225.5	(4+)		XREF: d(2230). J^π(level): Deduced by excitation energy, angular momentum transfer, spectroscopic factor, comparison with shell-model calculations, and measured γ-ray branching ratios from ²⁵Na(d,pγ) in 2015Ca03 and 2012WiZW.
2422.5	(2+)		J^π(level): Deduced by excitation energy, angular momentum transfer, spectroscopic factor, comparison with shell-model calculations, and measured γ-ray branching ratios from ²⁵Na(d,pγ) in 2015Ca03 and 2012WiZW.
2712.3			XREF: γ(2697).
2720	(1+)		XREF: α(2721). J^π(level): Based on observation of allowed β^- decay from 0⁺ g.s. in ²⁶Ne.
2803.9			XREF: γ(2815).
2853.1	(2-)		XREF: F(2860). J^π(level): Deduced by excitation energy, angular momentum transfer, spectroscopic factor, comparison with shell-model calculations, and measured γ-ray branching ratios from ²⁵Na(d,pγ) in 2015Ca03 and 2012WiZW.
2937.8	(1+,2+)		XREF: γ(2933). J^π(level): Based on differential cross section measurements compared to DWBA calculations from charge-exchange (t,³He) reaction and shell-model analysis (1987Pe06).
3134.0	(3)-		XREF: γ(3123). J^π(level): Deduced by excitation energy, angular momentum transfer, spectroscopic factor, comparison with shell-model calculations, and measured γ-ray branching ratios from ²⁵Na(d,pγ) in 2015Ca03 and 2012WiZW.
3222.8	(2+)		XREF: γ(3232).
3304.6			XREF: γ(3310).
3417.4			XREF: γ(3400).
3509.3	(4)-		J^π(level): Deduced by excitation energy, angular momentum transfer, spectroscopic factor, comparison with shell-model calculations, and measured γ-ray branching ratios from ²⁵Na(d,pγ) in 2015Ca03 and 2012WiZW.
3603.4			XREF: γ(3618).
4188.1			XREF: γ(4190).
4303.4	(5-)		J^π(level): Deduced by excitation energy, angular momentum transfer, spectroscopic factor, comparison with shell-model calculations, and measured γ-ray branching ratios from ²⁵Na(d,pγ) in 2015Ca03 and 2012WiZW.
4915.4	(6-)		XREF: H(4910). J^π(level): Deduced by excitation energy, angular momentum transfer, spectroscopic factor, comparison with shell-model calculations, and measured γ-ray branching ratios from ²⁵Na(d,pγ) in 2015Ca03 and 2012WiZW.
E(level)	J^π(level)	T_1/2(level)	Comments
4970	(4+)		J^π(level): Based on differential cross section measurements compared to DWBA calculations from charge-exchange (t,³He) reaction and shell-model analysis (1987Pe06).
5013.2	(3-,4-)		J^π(level): Deduced by excitation energy, angular momentum transfer, spectroscopic factor, comparison with shell-model calculations, and measured γ-ray branching ratios from ²⁵Na(d,pγ) in 2015Ca03 and 2012WiZW.
5480			J^π(level): Based on differential cross section measurements compared to DWBA calculations from charge-exchange (t,³He) reaction and shell-model analysis (1987Pe06).

E(level)	E(gamma)	Comments
82.2	84	E(γ): From ²⁶Ne β^- decay M(γ): Deduced from differential cross sections and angular distributions in ²⁵Na(d,pγ) 2015Ca03.
232.7	153	E(γ): From ²⁶Ne β^- decay I(γ): Other: 81 3 (Coulomb Excitation)
232.7	232	E(γ): From ²⁶Ne β^- decay M(γ): M1 in ²⁵Na(d,pγ) 2015Ca03.
406.7	404	E(γ): From ²⁶Ne β^- decay M(γ): M1 in ²⁵Na(d,pγ) 2015Ca03.
1509.0	1279	E(γ): Other: 1274 in (d,pγ) 2015Ca03.. From ²⁶Ne β^- decay
1660.2	1578	E(γ): From ¹⁴C(¹⁴C,dγ)
1996.5	1590	E(γ): From ¹⁴C(¹⁴C,dγ)
	1764	E(γ): From ¹⁴C(¹⁴C,dγ)
	1996	E(γ): From ¹⁴C(¹⁴C,dγ)
2045.2	1639	E(γ): From ¹⁴C(¹⁴C,dγ)
2045.2	2044	E(γ): Multiply placed with undivided intensity. From ¹⁴C(¹⁴C,dγ) I(γ): Multiply placed with undivided intensity
2126.1	2126	E(γ): From ¹⁴C(¹⁴C,dγ)
2182.3	1775	E(γ): From ¹⁴C(¹⁴C,dγ)
2182.3	2101	E(γ): From ¹⁴C(¹⁴C,dγ)
2225.5	2219	E(γ): Other: 2225 ²⁵Na(d,pγ) 2015Ca03.. From ²⁶Ne β^- decay
2230.4	1996	E(γ): Multiply placed with undivided intensity. From ¹⁴C(¹⁴C,dγ) I(γ): Multiply placed with undivided intensity
2230.4	2232	E(γ): From ¹⁴C(¹⁴C,dγ)
2452.7	2044	E(γ): 2045 in Figure 4 of 2006Le17. Multiply placed with undivided intensity. From ¹⁴C(¹⁴C,dγ) I(γ): Multiply placed with undivided intensity
2452.7	2371	E(γ): From ¹⁴C(¹⁴C,dγ)
2712.3	2630	E(γ): From ¹⁴C(¹⁴C,dγ)
2720	1212	E(γ): From ²⁶Ne β^- decay
2720	2486	E(γ): Other: 2493 (¹⁴C,dγ). From ²⁶Ne β^- decay
2803.9	350	E(γ): 351 in Figure 4 of 2006Le17. From ¹⁴C(¹⁴C,dγ)
2803.9	2805	E(γ): From ¹⁴C(¹⁴C,dγ)
3222.8	1041	E(γ): From ¹⁴C(¹⁴C,dγ)
3222.8	1177	E(γ): From ¹⁴C(¹⁴C,dγ)
E(level)	E(gamma)	Comments
3304.6	1308	E(γ): From ¹⁴C(¹⁴C,dγ)
3417.4	3335	E(γ): From ¹⁴C(¹⁴C,dγ)
3603.4	3521	E(γ): From ¹⁴C(¹⁴C,dγ)
4090.1	2282	M(γ): based on systematics in mass region 2015Ca03.. Deduced from differential cross sections and angular distributions in ²⁵Na(d,pγ) 2015Ca03.
4188.1	2679	E(γ): From ¹⁴C(¹⁴C,dγ)
4915.4	612	M(γ): Deduced from differential cross sections and angular distributions in ²⁵Na(d,pγ) 2015Ca03.