List of levels for 201AT

Author: F.G. Kondev | Citation: Nucl. Data Sheets 187, 355 (2023) | Cutoff date: 20-Sep-2022

E(level) (keV)	J^π(level)	T_1/2(level)	E(γ) (keV)	Multipolarity	Mixing Ratio	Conversion Coefficient	Additional Data
190.10	7/2-		190.1 1	M1+E2	0.65 8	1.55	α=1.55 7, α(K)=1.17 7, α(L)=0.289 4, α(M)=0.0710 12, α(N)=0.01838 32, α(O)=0.00383 6, α(P)=0.000488 8
459.20	1/2+	45 ms 3 % IT = 100	269.1 1	E3		1.231	B(E3)(W.u.)=0.0493 +35-31, α=1.231 17, α(K)=0.2270 32, α(L)=0.737 10, α(M)=0.2028 29, α(N)=0.0528 7, α(O)=0.01050 15, α(P)=0.001115 16
631.8	(3/2+)		172.6 4	(M1+E2)		1.7	α=1.7 9, α(K)=1.2 9, α(L)=0.42 5, α(M)=0.106 18, α(N)=0.027 5, α(O)=0.0056 7, α(P)=0.000663 14
635.17	(13/2-)		635.1 2	(E2)		0.01951	α=0.01951 27, α(K)=0.01424 20, α(L)=0.00397 6, α(M)=0.000985 14, α(N)=0.000255 4, α(O)=5.27×10^-5 7, α(P)=6.54E-6 9
749.36	(13/2+)	15.9 ns 14	58.5 2	[E1]		0.424	B(E1)(W.u.)=2.1E-6 +8-7, α=0.424 7, α(L)=0.322 5, α(M)=0.0775 13, α(N)=0.01963 33, α(O)=0.00389 7, α(P)=0.000436 7
	(13/2+)	15.9 ns 14	114.1 2	[E1]		0.332	B(E1)(W.u.)=6.1E-7 +11-9, α=0.332 5, α(K)=0.262 4, α(L)=0.0538 8, α(M)=0.01283 19, α(N)=0.00327 5, α(O)=0.000668 10, α(P)=8.08E-5 12
	(13/2+)	15.9 ns 14	749.3 2	(M2)		0.1204	B(M2)(W.u.)=0.183 +18-16, α=0.1204 17, α(K)=0.0949 13, α(L)=0.01935 27, α(M)=0.00467 7, α(N)=0.001215 17, α(O)=0.000260 4, α(P)=3.55×10^-5 5
1065.2	(7/2+)		433.3 4	(E2)		0.0478	α=0.0478 7, α(K)=0.0307 4, α(L)=0.01275 18, α(M)=0.00326 5, α(N)=0.000842 12, α(O)=0.0001713 25, α(P)=2.003×10^-5 29
1228.96	(17/2-)		593.8 2	(E2)		0.02262	α=0.02262 32, α(K)=0.01624 23, α(L)=0.00480 7, α(M)=0.001198 17, α(N)=0.000310 4, α(O)=6.39×10^-5 9, α(P)=7.85E-6 11
1288.6	(9/2+)		223.3 4	(M1)		1.245	α=1.245 19, α(K)=1.009 15, α(L)=0.1795 27, α(M)=0.0425 6, α(N)=0.01100 16, α(O)=0.002355 35, α(P)=0.000325 5
1288.6	(9/2+)		484.5 4	(E2)		0.0362	α=0.0362 5, α(K)=0.02440 34, α(L)=0.00888 13, α(M)=0.002248 32, α(N)=0.000581 8, α(O)=0.0001189 17, α(P)=1.415×10^-5 20
1494.85	(17/2+)		233.4 2	(M1)		1.101	α=1.101 16, α(K)=0.892 13, α(L)=0.1586 23, α(M)=0.0375 5, α(N)=0.00972 14, α(O)=0.002081 30, α(P)=0.000287 4
1494.85	(17/2+)		745.5 2	(E2)		0.01389	α=0.01389 19, α(K)=0.01048 15, α(L)=0.00258 4, α(M)=0.000633 9, α(N)=0.0001637 23, α(O)=3.41×10^-5 5, α(P)=4.32E-6 6
1613.3	(11/2+)		548.1 4	(E2)		0.0271	α=0.0271 4, α(K)=0.01902 27, α(L)=0.00607 9, α(M)=0.001525 22, α(N)=0.000394 6, α(O)=8.11×10^-5 11, α(P)=9.84E-6 14
1625.34	(17/2+)		130.3 2	(M1)		5.69	α=5.69 8, α(K)=4.61 7, α(L)=0.826 12, α(M)=0.1957 29, α(N)=0.0507 7, α(O)=0.01086 16, α(P)=0.001499 22
	(17/2+)		364.1 3	(M1)		0.325	α=0.325 5, α(K)=0.264 4, α(L)=0.0464 7, α(M)=0.01098 16, α(N)=0.00284 4, α(O)=0.000609 9, α(P)=8.41×10^-5 12
	(17/2+)		876.1 2	(E2)		0.01002	α=0.01002 14, α(K)=0.00775 11, α(L)=0.001720 24, α(M)=0.000418 6, α(N)=0.0001081 15, α(O)=2.264×10^-5 32, α(P)=2.93E-6 4
1705.03	(21/2-)		476.2 2	(E2)		0.0378	α=0.0378 5, α(K)=0.02528 35, α(L)=0.00938 13, α(M)=0.002378 33, α(N)=0.000615 9, α(O)=0.0001257 18, α(P)=1.491×10^-5 21
1856.0	(13/2+)		567.3 4	(E2)		0.02506	α=0.02506 35, α(K)=0.01776 25, α(L)=0.00548 8, α(M)=0.001373 19, α(N)=0.000355 5, α(O)=7.31×10^-5 10, α(P)=8.92E-6 13
1921.30	(21/2+)		216.3 3	[E1]		0.0696	α=0.0696 10, α(K)=0.0561 8, α(L)=0.01026 15, α(M)=0.002429 35, α(N)=0.000623 9, α(O)=0.0001295 19, α(P)=1.648×10^-5 24
	(21/2+)		295.9 2	(E2)		0.1374	α=0.1374 19, α(K)=0.0700 10, α(L)=0.0501 7, α(M)=0.01310 19, α(N)=0.00339 5, α(O)=0.000679 10, α(P)=7.48×10^-5 11
	(21/2+)		426.5 2	(E2)		0.0497	α=0.0497 7, α(K)=0.0318 4, α(L)=0.01345 19, α(M)=0.00344 5, α(N)=0.000889 13, α(O)=0.0001807 25, α(P)=2.107×10^-5 30
1980.6	(23/2-)		275.5 2	(M1)		0.695	α=0.695 10, α(K)=0.564 8, α(L)=0.1000 14, α(M)=0.02365 33, α(N)=0.00612 9, α(O)=0.001311 19, α(P)=0.0001811 26
2004.3	(23/2+)		83.0 4	[M1]		3.99	α=3.99 8, α(L)=3.04 6, α(M)=0.720 14, α(N)=0.187 4, α(O)=0.0400 8, α(P)=0.00552 11
2004.3	(23/2+)		299.3 2	[E1]		0.0325	α=0.0325 5, α(K)=0.0264 4, α(L)=0.00463 7, α(M)=0.001093 15, α(N)=0.000281 4, α(O)=5.88×10^-5 8, α(P)=7.63E-6 11
E(level) (keV)	J^π(level)	T_1/2(level)	E(γ) (keV)	Multipolarity	Mixing Ratio	Conversion Coefficient	Additional Data
2147.2	(21/2-)		442.6 4	(E2)		0.0453	α=0.0453 6, α(K)=0.0294 4, α(L)=0.01189 17, α(M)=0.00303 4, α(N)=0.000784 11, α(O)=0.0001596 23, α(P)=1.872×10^-5 27
2147.2	(21/2-)		917.8 4	(E2)		0.00914	α=0.00914 13, α(K)=0.00711 10, α(L)=0.001539 22, α(M)=0.000373 5, α(N)=9.64×10^-5 14, α(O)=2.023E-5 28, α(P)=2.63E-6 4
2232.1	(15/2+)		618.8 6	(E2)		0.02065	α=0.02065 29, α(K)=0.01498 21, α(L)=0.00427 6, α(M)=0.001062 15, α(N)=0.000275 4, α(O)=5.68×10^-5 8, α(P)=7.016E-6 99
2319.8	(29/2+)	3.39 µs 9 % IT = 100	269.0 2	E2		0.1842	B(E2)(W.u.)=1.27E-3 6, α=0.1842 26, α(K)=0.0865 12, α(L)=0.0726 10, α(M)=0.01907 27, α(N)=0.00493 7, α(O)=0.000985 14, α(P)=0.0001072 15
2319.8	(29/2+)	3.39 µs 9 % IT = 100	339.2 2	E3		0.464	B(E3)(W.u.)=22 6, α=0.464 7, α(K)=0.1364 19, α(L)=0.2413 34, α(M)=0.0656 9, α(N)=0.01707 24, α(O)=0.00341 5, α(P)=0.000371 5
2518.9	(25/2-)		371.7 4	(E2)		0.0715	α=0.0715 10, α(K)=0.0425 6, α(L)=0.02159 31, α(M)=0.00557 8, α(N)=0.001440 21, α(O)=0.000291 4, α(P)=3.32×10^-5 5
2637.6	(25/2+)		716.3 4	(E2)		0.01509	α=0.01509 21, α(K)=0.01130 16, α(L)=0.00286 4, α(M)=0.000705 10, α(N)=0.0001822 26, α(O)=3.79×10^-5 5, α(P)=4.78E-6 7
3135.2	(25/2-)		145.0 4	(M1)		4.20	α=4.20 7, α(K)=3.40 5, α(L)=0.609 10, α(M)=0.1441 23, α(N)=0.0373 6, α(O)=0.00799 13, α(P)=0.001104 18
3240.9	(33/2+)		921.1 4	(E2)		0.00908	α=0.00908 13, α(K)=0.00706 10, α(L)=0.001525 21, α(M)=0.000370 5, α(N)=9.56×10^-5 13, α(O)=2.005E-5 28, α(P)=2.61E-6 4
3245.4	(29/2+)		607.8 4	(E2)		0.02148	α=0.02148 30, α(K)=0.01551 22, α(L)=0.00449 6, α(M)=0.001119 16, α(N)=0.000289 4, α(O)=5.98×10^-5 8, α(P)=7.37E-6 10
3379.6	(27/2-)		244.4 4	(M1)		0.968	α=0.968 14, α(K)=0.785 12, α(L)=0.1395 21, α(M)=0.0330 5, α(N)=0.00855 13, α(O)=0.001830 27, α(P)=0.000253 4
3666.5	(29/2-)		286.9 4	(M1)		0.622	α=0.622 9, α(K)=0.505 7, α(L)=0.0894 13, α(M)=0.02113 31, α(N)=0.00547 8, α(O)=0.001172 17, α(P)=0.0001619 24
3983.8	(31/2-)		317.3 4	(M1)		0.472	α=0.472 7, α(K)=0.383 6, α(L)=0.0677 10, α(M)=0.01601 23, α(N)=0.00415 6, α(O)=0.000888 13, α(P)=0.0001226 18
4256.1	(33/2-)		272.3 4	(M1)		0.718	α=0.718 10, α(K)=0.583 8, α(L)=0.1033 15, α(M)=0.0244 4, α(N)=0.00633 9, α(O)=0.001355 20, α(P)=0.0001871 27
4454.0	(35/2-)		197.9 4	(M1)		1.745	α=1.745 26, α(K)=1.414 21, α(L)=0.252 4, α(M)=0.0596 9, α(N)=0.01545 23, α(O)=0.00331 5, α(P)=0.000457 7
4789.0	(37/2-)		335.0 4	(M1)		0.407	α=0.407 6, α(K)=0.331 5, α(L)=0.0583 8, α(M)=0.01379 20, α(N)=0.00357 5, α(O)=0.000765 11, α(P)=0.0001056 15

Q(β-)=-6682 keV 13	S(n)= 9873 keV 26	S(p)= 1137 keV 11	Q(α)= 6472.8 keV 16
Reference: 2021WA16

References:
A	²⁰⁵Fr α decay	B	¹⁹²Pt(¹⁴N,5nγ)
C	¹⁶⁵Ho(⁴⁰Ar,4nγ)

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	9/2-	87.6 s 13 % ε = 29 7 % α = 71 7
190.10 10	C	7/2-		190.1 1	100	M1+E2	0.0	9/2-
459.20 14	C	1/2+	45 ms 3 % IT = 100	269.1 1	100	E3	190.10	7/2-
631.8 4	C	(3/2+)		172.6 4	100	(M1+E2)	459.20	1/2+
635.17 16	B C	(13/2-)		635.1 2	100	(E2)	0.0	9/2-
690.98 16	C	(11/2-)		691.1 2	100		0.0	9/2-
749.36 14	B C	(13/2+)	15.9 ns 14	58.5 2 114.1 2 749.3 2	4.5 15 9.6 9 100 12	[E1] [E1] (M2)	690.98 635.17 0.0	(11/2-) (13/2-) 9/2-
804.2 6	C	(5/2+)		172.5 4	100		631.8	(3/2+)
1065.2 6	C	(7/2+)		433.3 4	100	(E2)	631.8	(3/2+)
1228.96 22	B C	(17/2-)		593.8 2	100	(E2)	635.17	(13/2-)
1261.29 20	C	(15/2+)		511.8 2	100	D	749.36	(13/2+)
1288.6 6	C	(9/2+)		223.3 4 484.5 4	41.5 24 100 7	(M1) (E2)	1065.2 804.2	(7/2+) (5/2+)
1494.85 19	B C	(17/2+)		233.4 2 745.5 2	19.6 5 100 3	(M1) (E2)	1261.29 749.36	(15/2+) (13/2+)
1613.3 7	C	(11/2+)		548.1 4	100	(E2)	1065.2	(7/2+)
1625.34 19	C	(17/2+)		130.3 2 364.1 3 876.1 2	20.1 21 33.5 16 100 3	(M1) (M1) (E2)	1494.85 1261.29 749.36	(17/2+) (15/2+) (13/2+)
1705.03 24	B C	(21/2-)		476.2 2	100	(E2)	1228.96	(17/2-)
1790.3 4	B			295.5 3	100		1494.85	(17/2+)
1856.0 7	C	(13/2+)		242.8 7 567.3 4	15.4 14 100 5	(E2)	1613.3 1288.6	(11/2+) (9/2+)
1921.30 21	B C	(21/2+)		216.3 3 295.9 2 426.5 2	2.3 6 100 5 98 5	[E1] (E2) (E2)	1705.03 1625.34 1494.85	(21/2-) (17/2+) (17/2+)
E(level) (keV)	XREF	J^π(level)	T_1/2(level)	E(γ) (keV)	I(γ)	M(γ)	Final Levels
1980.6 3	C	(23/2-)		275.5 2	100	(M1)	1705.03	(21/2-)
2004.3 3	C	(23/2+)		83.0 4 299.3 2	100 33 20 3	[M1] [E1]	1921.30 1705.03	(21/2+) (21/2-)
2050.8 3	C	(25/2+)	< 20 ns	46.5 2	100		2004.3	(23/2+)
2076.9 5	B	(23/2-)		371.9 4	100	D	1705.03	(21/2-)
2147.2 4	C	(21/2-)		442.6 4 917.8 4	86 3 100 6	(E2) (E2)	1705.03 1228.96	(21/2-) (17/2-)
2232.1 9	C	(15/2+)		618.8 6	100	(E2)	1613.3	(11/2+)
2319.8 3	C	(29/2+)	3.39 µs 9 % IT = 100	269.0 2 339.2 2	100 9 10 3	E2 E3	2050.8 1980.6	(25/2+) (23/2-)
2518.9 5	C	(25/2-)		371.7 4	100	(E2)	2147.2	(21/2-)
2637.6 5	C	(25/2+)		716.3 4	100	(E2)	1921.30	(21/2+)
2990.2 5	C	(23/2-)		1068.9 4 ?	100	D	1921.30	(21/2+)
3135.2 6	C	(25/2-)		145.0 4	100	(M1)	2990.2	(23/2-)
3219.2 6	C			581.6 4	100	D	2637.6	(25/2+)
3240.9 5	C	(33/2+)		921.1 4	100	(E2)	2319.8	(29/2+)
3245.4 6	C	(29/2+)		607.8 4	100	(E2)	2637.6	(25/2+)
3369.6 5	C			1049.9 4 ?	100	D	2319.8	(29/2+)
3379.6 7	C	(27/2-)		244.4 4	100	(M1)	3135.2	(25/2-)
3504.4 4	C			135.0 4 ? 263.6 4 1184.5 4	29.4 24 71 12 100 12	D D,Q	3369.6 3240.9 2319.8	(33/2+) (29/2+)
3621.8 7	C			402.6 4	100	D	3219.2
3666.5 8	C	(29/2-)		286.9 4	100	(M1)	3379.6	(27/2-)
3693.9 7	C			448.5 4	100	D	3245.4	(29/2+)
3699.7 6	C			1379.9 5 ?	100		2319.8	(29/2+)
3779.1 6	C			538.2 4	100		3240.9	(33/2+)
3785.9 8	C			540.5 5	100		3245.4	(29/2+)
3853.3 7	C			153.6 4 ?	100		3699.7
3952.8 6	C			448.4 4	100	D	3504.4
E(level) (keV)	XREF	J^π(level)	T_1/2(level)	E(γ) (keV)	I(γ)	M(γ)	Final Levels
3983.8 9	C	(31/2-)		317.3 4	100	(M1)	3666.5	(29/2-)
4111.4 6	C			870.5 4 ?	100		3240.9	(33/2+)
4159.0 7	C			206.2 4	100		3952.8
4256.1 10	C	(33/2-)		272.3 4	100	(M1)	3983.8	(31/2-)
4454.0 11	C	(35/2-)		197.9 4	100	(M1)	4256.1	(33/2-)
4789.0 12	C	(37/2-)		335.0 4	100	(M1)	4454.0	(35/2-)

E(level)	J^π(level)	T_1/2(level)	Comments
0.0	9/2-	87.6 s 13 % ε = 29 7 % α = 71 7	μ=4.01 7, Q=-1.0 5 Eα=6342 keV 6 (1963Ho18), 6342 keV 3 (1967Tr06), 6340 keV 10 (1970DaZM), 6347 keV 5 (1974Ho27), 6345 keV 2 (1975BaYJ), 6344 keV (1986Wo03), 6344 keV 3 (1996Ta18) and 6343 keV 4 (2005De01).
2990.2	(23/2-)		E(level): Magnetic-dipole, shears band.
3135.2	(25/2-)		E(level): Magnetic-dipole, shears band.
3379.6	(27/2-)		E(level): Magnetic-dipole, shears band.
3666.5	(29/2-)		E(level): Magnetic-dipole, shears band.
3983.8	(31/2-)		E(level): Magnetic-dipole, shears band.
4256.1	(33/2-)		E(level): Magnetic-dipole, shears band.
4454.0	(35/2-)		E(level): Magnetic-dipole, shears band.
4789.0	(37/2-)		E(level): Magnetic-dipole, shears band.

E(level)	E(gamma)	Comments
459.20	269.1	M(γ): From K/(L+M+...)exp=0.24 1 (2014Au03)
631.8	172.6	M(γ): R=0.83 5 (2014Au03). The x-ray intensity in a spectrum produced by gating on 533γ is consistent with Mult=M1⁺E2, but not with a pure Mult=E2
635.17	635.1	M(γ): A₂=0.11 3 in 1983Dy02. Other: A₂=+0.09 4 (2015Au01)
749.36	58.5	I(γ): Determined by the evaluator from I(γ+ce) in ¹⁶⁵Ho(⁴⁰Ar,4nγ) and α
	114.1	I(γ): Determined by the evaluator from I(γ+ce) in ¹⁶⁵Ho(⁴⁰Ar,4nγ) and α
	749.3	I(γ): Determined by the evaluator from I(γ+ce) in ¹⁶⁵Ho(⁴⁰Ar,4nγ) and α M(γ): A₂=0.05 3 in 1983Dy02. E3 admixtures are possible.
1065.2	433.3	M(γ): R=1.21 5 (2014Au03)
1228.96	593.8	M(γ): A₂=0.16 5 in 1983Dy02. Other: A₂=+0.08 2 (2015Au01)
1261.29	511.8	M(γ): A₂=-0.14 3 (2015Au01)
1288.6	223.3	M(γ): A₂=-0.29 7 and R=0.74 12 (2014Au03)
1288.6	484.5	M(γ): A₂=+0.70 6 and R=1.4 2 (2014Au03)
1494.85	233.4	M(γ): A₂=-0.05 2 (2015Au01)
1494.85	745.5	M(γ): A₂=0.24 9 in 1983Dy02. Other: A₂=+0.4 2 (2015Au01)
1613.3	548.1	M(γ): A₂=+0.5 2 and R=1.26 12 (2014Au03)
1625.34	130.3	M(γ): A₂=-0.36 7 (2015Au01)
	364.1	M(γ): A₂=-0.11 3 (2015Au01)
	876.1	M(γ): A₂=+0.16 3 (2015Au01)
1705.03	476.2	M(γ): A₂=0.22 7 in 1983Dy02. Other: A₂=+0.13 4 (2015Au01)
1856.0	567.3	M(γ): A₂=+0.5 3 and R=1.2 3 (2014Au03)
1921.30	216.3	I(γ): Determined by the evaluator from I(γ+ce) in ¹⁶⁵Ho(⁴⁰Ar,4nγ) and α
	295.9	M(γ): A₂=+0.11 4 (2015Au01)
	426.5	M(γ): A₂=+0.14 7 (2015Au01)
1980.6	275.5	M(γ): A₂=-0.47 2 (2015Au01)
2004.3	83.0	I(γ): Determined by the evaluator from I(γ+ce) in ¹⁶⁵Ho(⁴⁰Ar,4nγ) and α
2004.3	299.3	I(γ): Determined by the evaluator from I(γ+ce) in ¹⁶⁵Ho(⁴⁰Ar,4nγ) and α
E(level)	E(gamma)	Comments
2076.9	371.9	M(γ): A₂=-0.1 1 in 1983Dy02
2147.2	442.6	M(γ): A₂=+0.35 8 (2015Au01); consistent with ΔJ=0 transition
2147.2	917.8	M(γ): A₂=+0.37 6 (2015Au01)
2232.1	618.8	M(γ): A₂=+0.6 4 and R=1.1 4 (2014Au03)
2319.8	269.0	I(γ): Determined by the evaluator from I(γ+ce) in ¹⁶⁵Ho(⁴⁰Ar,4nγ) and α M(γ): From K/(L+M+...)exp=0.93 5 (2015Au01)
2319.8	339.2	I(γ): Determined by the evaluator from I(γ+ce) in ¹⁶⁵Ho(⁴⁰Ar,4nγ) and α M(γ): From K/(L+M+...)exp=0.45 4 (2015Au01)
2518.9	371.7	M(γ): A₂=+0.16 6 (2015Au01)
2637.6	716.3	M(γ): A₂=+0.46 4 (2015Au01)
2990.2	1068.9	M(γ): A₂=-0.47 5 (2015Au01)
3135.2	145.0	M(γ): A₂=-0.5 2 (2015Au01)
3219.2	581.6	M(γ): A₂=-0.44 7 (2015Au01)
3240.9	921.1	M(γ): A₂=+0.20 3 (2015Au01)
3245.4	607.8	M(γ): A₂=+0.35 8 (2015Au01)
3369.6	1049.9	M(γ): A₂=-0.7 3 (2015Au01)
3379.6	244.4	M(γ): A₂=-0.59 9 (2015Au01)
3504.4	263.6	M(γ): A₂=-0.26 9 (2015Au01)
3504.4	1184.5	M(γ): A₂=+0.40 8 (2015Au01)
3621.8	402.6	M(γ): A₂=-0.7 2 (2015Au01)
3666.5	286.9	M(γ): A₂=-0.47 3 (2015Au01)
3693.9	448.5	M(γ): A₂=-0.4 2 (2015Au01)
3952.8	448.4	M(γ): A₂=-0.3 2 (2015Au01)
3983.8	317.3	M(γ): A₂=-0.81 9 (2015Au01)
4256.1	272.3	M(γ): A₂=-0.45 11 (2015Au01)
4454.0	197.9	M(γ): A₂=-0.80 12 (2015Au01)
4789.0	335.0	M(γ): A₂=-0.66 4 (2015Au01)