List of levels for 109MO

Authors: S. Kumar, J. Chen and F.G. Kondev | Citation: Nucl. Data Sheets 137, 1 (2016) | Cutoff date: 31-May-2016

E(level): From a least-squares fit to γ-ray energies.

J^π(level): From 2006Ur01 in ²⁴⁸Cm SF decay, based on deduced transition multipolarities, using α(exp) and γγ(θ), and the proposed band structures, unless otherwise stated.

M(γ): From 2006Ur01 in ²⁴⁸Cm SF decay based on α(exp) and γγ(θ).

E(level) (keV)	J^π(level)	T_1/2(level)	E(γ) (keV)	Multipolarity	Mixing Ratio	Conversion Coefficient	Additional Data
69.7	(1/2+)	0.194 µs +76-49	69.7 5	[E2]		4.42	B(E2)(W.u.)=11 +4-3, α=4.42 14, α(K)=3.35 10, α(L)=0.89 3, α(M)=0.162 6, α(N)=0.0223 8, α(O)=0.000453 13
222.19	(7/2-)		78.2 5	E1		0.257	α=0.257 6, α(K)=0.226 6, α(L)=0.0264 7, α(M)=0.00468 11, α(N)=0.000694 17, α(O)=3.37×10^-5 8
222.19	(7/2-)		222.2 3	E1		0.01262	α=0.01262, α(K)=0.01110 17, α(L)=0.001258 19, α(M)=0.000224 4, α(N)=3.37×10^-5 5, α(O)=1.81E-6 3
333.0	(9/2-)		110.8 3	M1+E2	0.55 20	0.34	α=0.34 9, α(K)=0.29 7, α(L)=0.044 14, α(M)=0.0079 25, α(N)=0.00115 34, α(O)=4.6×10^-5 9
472.0	(11/2-)		138.9 3	M1(+E2)		0.1016	α=0.1016 16, α(K)=0.0889 14, α(L)=0.01047 16, α(M)=0.00188 3, α(N)=0.000285 5, α(O)=1.581×10^-5 24
885.7	(15/2-)		413.7 3	E2		0.00846	α=0.00846, α(K)=0.00737 11, α(L)=0.000904 13, α(M)=0.0001617 23, α(N)=2.42×10^-5 4, α(O)=1.226E-6 18

Q(β-)=7608 keV 15	S(n)= 3981 keV 14	S(p)= 14415 keV 14	Q(α)= -7626 keV 16
Reference: 2012WA38

References:
A	²⁴⁸Cm SF decay	B	²⁵²Cf SF decay
C	BE(²³⁸U,Fγ)

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	(5/2+)	0.61 s +3-4 % β^- = 100 % β^-n = 1.3 6
69.7 5	C	(1/2+)	0.194 µs +76-49	69.7 5	100	[E2]	0.0	(5/2+)
144.01 25	A	(7/2+)		144.0 3	100		0.0	(5/2+)
222.19 25	A B	(7/2-)		78.2 5 222.2 3	23 2 100 5	E1 E1	144.01 0.0	(7/2+) (5/2+)
333.0 3	A B	(9/2-)		110.8 3 189.0 3	100 4 34 3	M1+E2	222.19 144.01	(7/2-) (7/2+)
336.4 6	A	(9/2+)		192.4 5	100		144.01	(7/2+)
472.0 4	A B	(11/2-)		138.9 3 250.0 5	100 4 28 3	M1(+E2)	333.0 222.19	(9/2-) (7/2-)
553.3 4	A	(11/2+)		216.8 5 ? 409.3 3	100		336.4 144.01	(9/2+) (7/2+)
730.3 5	A B	(13/2-)		258.3 5 397.3 5	100 9 57 9		472.0 333.0	(11/2-) (9/2-)
810.6 8	A	(13/2+)		474.2 5	100		336.4	(9/2+)
885.7 5	A B	(15/2-)		155.4 5 413.7 3	29 4 100 5	E2	730.3 472.0	(13/2-) (11/2-)
1095.4 7	A	(15/2+)		542.1 5	100		553.3	(11/2+)
1286.7 11	A	(17/2-)		401 1	100		885.7	(15/2-)
1442.7 6	A B	(19/2-)		557.0 3	100		885.7	(15/2-)
2137.7 12	A	(23/2-)		695 1	100		1442.7	(19/2-)

E(level) (keV)	J^π(level)	T_1/2(level)	E(γ)	I(γ)	M(γ)	Final Levels
Band 1 - ν5/2[402] band. The assignment is tentative
0.0	(5/2+)	0.61 s +3-4 % β^- = 100 % β^-n = 1.3 6
144.01 25	(7/2+)		144.0 3	100		0.0	(5/2+)
336.4 6	(9/2+)		192.4 5	100		144.01	(7/2+)
553.3 4	(11/2+)		216.8 5 ? 409.3 3	100		336.4 144.01	(9/2+) (7/2+)
810.6 8	(13/2+)		474.2 5	100		336.4	(9/2+)
1095.4 7	(15/2+)		542.1 5	100		553.3	(11/2+)
E(level) (keV)	J^π(level)	T_1/2(level)	E(γ)	I(γ)	M(γ)	Final Levels
Band 2 - ν7/2[523] band. The assignment is tentative
222.19 25	(7/2-)
333.0 3	(9/2-)		110.8 3 189.0 3	100 4 34 3	M1+E2	222.19 144.01	(7/2-) (7/2+)
472.0 4	(11/2-)		138.9 3 250.0 5	100 4 28 3	M1(+E2)	333.0 222.19	(9/2-) (7/2-)
730.3 5	(13/2-)		258.3 5 397.3 5	100 9 57 9		472.0 333.0	(11/2-) (9/2-)
885.7 5	(15/2-)		155.4 5 413.7 3	29 4 100 5	E2	730.3 472.0	(13/2-) (11/2-)
1286.7 11	(17/2-)		401 1	100		885.7	(15/2-)
1442.7 6	(19/2-)		557.0 3	100		885.7	(15/2-)
2137.7 12	(23/2-)		695 1	100		1442.7	(19/2-)

E(level)	J^π(level)	T_1/2(level)	Comments
0.0	(5/2+)	0.61 s +3-4 % β^- = 100 % β^-n = 1.3 6	E(level): ν5/2[402] band. The assignment is tentative.
144.01	(7/2+)		E(level): ν5/2[402] band. The assignment is tentative.
222.19	(7/2-)		E(level): ν7/2[523] band. The assignment is tentative.
333.0	(9/2-)		E(level): ν7/2[523] band. The assignment is tentative.
336.4	(9/2+)		E(level): ν5/2[402] band. The assignment is tentative.
472.0	(11/2-)		E(level): ν7/2[523] band. The assignment is tentative.
553.3	(11/2+)		E(level): ν5/2[402] band. The assignment is tentative.
730.3	(13/2-)		E(level): ν7/2[523] band. The assignment is tentative.
810.6	(13/2+)		E(level): ν5/2[402] band. The assignment is tentative.
885.7	(15/2-)		E(level): ν7/2[523] band. The assignment is tentative.
1095.4	(15/2+)		E(level): ν5/2[402] band. The assignment is tentative.
1286.7	(17/2-)		E(level): ν7/2[523] band. The assignment is tentative.
1442.7	(19/2-)		E(level): ν7/2[523] band. The assignment is tentative.
2137.7	(23/2-)		E(level): ν7/2[523] band. The assignment is tentative.

E(level)	E(gamma)	Comments
222.19	78.2	M(γ): from α(exp) in 2006Ur01 using intensity balance considerations
222.19	222.2	E(γ): Other: 222.5 keV in 1997Hw03 M(γ): from α(exp) in 2006Ur01 using intensity balance considerations; A₂/A₀=+0.11 2, A₄/A₀=-0.03 2 for (110.8γ)(222.2γ)(θ), gives ΔJ=1 for 222.2γ (2006Ur01)
333.0	110.8	E(γ): Other: 111.3 keV in 1997Hw03 M(γ): from α(exp)=0.34 8, deduced by the evaluators from the intensity balances and Iγ in 2006Ur01; A₂/A₀=+0.11 2, A₄/A₀=-0.03 2 for (110.8γ)(222.2γ)(θ), gives ΔJ=1 for 110.8γ, in-band transition (2006Ur01)
472.0	138.9	E(γ): Other: 139.3 keV in 1997Hw03 M(γ): A₂/A₀=+0.07 1, A₄/A₀=-0.0 2 for (110.8γ)(138.9γ)(θ), gives ΔJ=1 for 138.9γ. Also A₂/A₀=-0.09 2, A₄/A₀=-0.0 2 (138.9γ)(413.7γ)(θ), gives ΔJ=1 for 138.9γ; in-band transition (2006Ur01)
730.3	258.3	E(γ): Other: 258.6 keV in 1997Hw03
730.3	397.3	E(γ): Other: 397.9 keV in 1997Hw03
885.7	155.4	E(γ): Other: 155.5 keV in 1997Hw03
885.7	413.7	E(γ): Other: 413.2 keV in 1997Hw03 M(γ): A₂/A₀=-0.09 2, A₄/A₀=-0.0 2 (138.9γ)(413.7γ)(θ), gives ΔJ=2 for 413.7γ, in-band transition (2006Ur01)
1442.7	557.0	E(γ): Other: 557.4 keV in 1997Hw03