List of levels for 227TH

Author: Ictp-2014 Workshop Group | Citation: Nucl. Data Sheets 132, 257 (2016) | Cutoff date: 15-Jan-2016

E(level) (keV)	J^π(level)	T_1/2(level)	E(γ) (keV)	Multipolarity	Mixing Ratio	Conversion Coefficient	Additional Data
9.30	(5/2+)		9.3 1	(E2)		3.26×10⁵	α=3.26×10⁵ 19, α(M)=2.44E5 14, α(N)=6.5E4 4, α(O)=1.44E4 9, α(P)=2.37E3 14, α(Q)=2.85 15
24.38	(3/2+)		15.1 2	(M1)		242	α=242 11, α(M)=180 8, α(N)=48.2 21, α(O)=11.4 5, α(P)=2.21 10, α(Q)=0.212 9
24.38	(3/2+)		24.33 5	M1+E2	0.097 5	334	α=334 12, α(L)=250 9, α(M)=62.8 23, α(N)=16.8 6, α(O)=3.89 14, α(P)=0.721 23, α(Q)=0.0512 8
37.863	(3/2-)		28.57 5	E1		3.23	α=3.23, α(L)=2.42 4, α(M)=0.616 9, α(N)=0.1595 24, α(O)=0.0341 5, α(P)=0.00517 8, α(Q)=0.000182 3
37.863	(3/2-)		37.90 3	E1		1.537	α=1.537, α(L)=1.155 17, α(M)=0.288 4, α(N)=0.0750 11, α(O)=0.01634 24, α(P)=0.00260 4, α(Q)=0.0001035 15
73.67	(7/2-)		64.38 2	E1		0.377	α=0.377, α(L)=0.284 4, α(M)=0.0696 10, α(N)=0.0182 3, α(O)=0.00407 6, α(P)=0.000692 10, α(Q)=3.42×10^-5 5
76.23	(9/2+)		66.94 3	E2		75.4	α=75.4, α(L)=55.1 8, α(M)=15.13 22, α(N)=4.05 6, α(O)=0.901 13, α(P)=0.1489 21, α(Q)=0.000466 7
77.63	(3/2+)		39.88 6	E1		1.343	α=1.343, α(L)=1.010 15, α(M)=0.251 4, α(N)=0.0654 10, α(O)=0.01430 21, α(P)=0.00229 4, α(Q)=9.33×10^-5 14
	(3/2+)		53.23 2	M1(+E2)	0.33 LE	34	α=34 10, α(L)=25 8, α(M)=6.4 21, α(N)=1.7 6, α(O)=0.39 12, α(P)=0.072 20, α(Q)=0.00488 20
	(3/2+)		68.33 2	M1(+E2)	0.50 LE	17	α=17 6, α(L)=13 5, α(M)=3.2 12, α(N)=0.9 4, α(O)=0.20 7, α(P)=0.037 11, α(Q)=0.00224 21
99.18	(3/2+,5/2+)		61.33 3	E1		0.429	α=0.429, α(L)=0.323 5, α(M)=0.0792 12, α(N)=0.0207 3, α(O)=0.00463 7, α(P)=0.000782 11, α(Q)=3.79×10^-5 6
127.30	(3/2+,5/2+)		102.93 4	M1		3.49	α=3.49, α(L)=2.63 4, α(M)=0.634 9, α(N)=0.1691 24, α(O)=0.0400 6, α(P)=0.00777 11, α(Q)=0.000739 11
127.30	(3/2+,5/2+)		117.98 7	M1		11.58	α=11.58, α(K)=9.23 13, α(L)=1.78 3, α(M)=0.427 6, α(N)=0.1140 16, α(O)=0.0270 4, α(P)=0.00524 8, α(Q)=0.000498 7
149.99	(5/2-)		76.5 3	(E2)		39.8	α=39.8 10, α(L)=29.1 7, α(M)=8.00 19, α(N)=2.14 5, α(O)=0.477 12, α(P)=0.0789 19, α(Q)=0.000271 6
182.2	(13/2+)		106.0 3	E2		8.59	α=8.59 17, α(L)=6.28 13, α(M)=1.73 4, α(N)=0.463 9, α(O)=0.1031 20, α(P)=0.0171 4, α(Q)=8.07×10^-5 14
183.71	(1/2-,3/2-,5/2-)		56.41 2	E1		0.535	α=0.535, α(L)=0.403 6, α(M)=0.0991 14, α(N)=0.0259 4, α(O)=0.00576 8, α(P)=0.000965 14, α(Q)=4.53×10^-5 7
200.02	(-)		72.78 7	E1		0.272	α=0.272, α(L)=0.205 3, α(M)=0.0501 8, α(N)=0.01314 19, α(O)=0.00295 5, α(P)=0.000508 8, α(Q)=2.62×10^-5 4
207.13	(1/2-,3/2-,5/2-)		129.5 1	(E1)		0.266	α=0.266, α(K)=0.206 3, α(L)=0.0451 7, α(M)=0.01092 16, α(N)=0.00288 4, α(O)=0.000658 10, α(P)=0.0001180 17, α(Q)=7.37×10^-6 11
228.60	(3/2-,5/2-)		150.7 2	E1		0.185	α=0.185, α(K)=0.1446 21, α(L)=0.0305 5, α(M)=0.00737 11, α(N)=0.00194 3, α(O)=0.000446 7, α(P)=8.07×10^-5 12, α(Q)=5.26E-6 8
	(3/2-,5/2-)		204.2 2	E1		0.0899	α=0.0899, α(K)=0.0711 10, α(L)=0.01416 21, α(M)=0.00341 5, α(N)=0.000901 13, α(O)=0.000208 3, α(P)=3.82×10^-5 6, α(Q)=2.69E-6 4
	(3/2-,5/2-)		219.6 4	E1		0.0758	α=0.0758, α(K)=0.0602 9, α(L)=0.01183 18, α(M)=0.00285 5, α(N)=0.000752 11, α(O)=0.000174 3, α(P)=3.21×10^-5 5, α(Q)=2.30E-6 4
231.46	(5/2-,7/2-,9/2-)		157.79 8	(M1)		5.08	α=5.08, α(K)=4.06 6, α(L)=0.773 11, α(M)=0.186 3, α(N)=0.0496 7, α(O)=0.01173 17, α(P)=0.00228 4, α(Q)=0.000216 3
269.08	(9/2-)		119.1 3	E2		5.27	α=5.27 10, α(K)=0.253 4, α(L)=3.67 7, α(M)=1.007 19, α(N)=0.270 5, α(O)=0.0602 11, α(P)=0.01003 19, α(Q)=5.46×10^-5 9
289.04	(1/2+,3/2+,5/2+)		264.66 3	M1		1.191	α=1.191, α(K)=0.953 14, α(L)=0.180 3, α(M)=0.0432 6, α(N)=0.01152 17, α(O)=0.00273 4, α(P)=0.000529 8, α(Q)=5.02×10^-5 7
318.96	(5/2+,7/2+)		309.68 7	M1		0.772	α=0.772, α(K)=0.618 9, α(L)=0.1162 17, α(M)=0.0279 4, α(N)=0.00744 11, α(O)=0.001762 25, α(P)=0.000342 5, α(Q)=3.24×10^-5 5
E(level) (keV)	J^π(level)	T_1/2(level)	E(γ) (keV)	Multipolarity	Mixing Ratio	Conversion Coefficient	Additional Data
344.2	(17/2+)		162.0 3	E2		1.472	α=1.472 24, α(K)=0.221 4, α(L)=0.916 15, α(M)=0.251 4, α(N)=0.0672 11, α(O)=0.01503 25, α(P)=0.00252 4, α(Q)=2.16×10^-5 4
372.8	(15/2-)		190.6 5	E1		0.1057	α=0.1057 17, α(K)=0.0835 13, α(L)=0.0168 3, α(M)=0.00405 7, α(N)=0.001070 17, α(O)=0.000247 4, α(P)=4.52×10^-5 7, α(Q)=3.13E-6 5
383.0	(11/2+)		113.9 3	E1		0.358	α=0.358 6, α(K)=0.275 5, α(L)=0.0630 10, α(M)=0.01528 24, α(N)=0.00402 7, α(O)=0.000917 15, α(P)=0.000163 3, α(Q)=9.81×10^-6 15
438.5	(13/2-)		169.4 3	E2		1.235	α=1.235 20, α(K)=0.207 3, α(L)=0.752 12, α(M)=0.206 4, α(N)=0.0551 9, α(O)=0.01234 20, α(P)=0.00207 4, α(Q)=1.91×10^-5 3
553.6	(19/2-)		209.4 5	E1		0.0847	α=0.0847 13, α(K)=0.0671 11, α(L)=0.01330 21, α(M)=0.00320 5, α(N)=0.000846 13, α(O)=0.000195 3, α(P)=3.59×10^-5 6, α(Q)=2.55E-6 4
607.7	(15/2+)		169.2 3	E1		0.1403	α=0.1403, α(K)=0.1103 17, α(L)=0.0227 4, α(M)=0.00548 8, α(N)=0.001446 22, α(O)=0.000333 5, α(P)=6.06×10^-5 9, α(Q)=4.07E-6 6
607.7	(15/2+)		224.7 3	E2		0.434	α=0.434, α(K)=0.1280 19, α(L)=0.225 4, α(M)=0.0610 10, α(N)=0.01634 25, α(O)=0.00367 6, α(P)=0.000623 10, α(Q)=9.11×10^-6 14
873.4	(19/2+)		211.2 3	E1		0.0830	α=0.0830, α(K)=0.0658 10, α(L)=0.01302 19, α(M)=0.00313 5, α(N)=0.000828 12, α(O)=0.000191 3, α(P)=3.52×10^-5 5, α(Q)=2.50E-6 4
1177.0	(23/2+)		239.8 5	E1		0.0618	α=0.0618 10, α(K)=0.0492 8, α(L)=0.00954 15, α(M)=0.00229 4, α(N)=0.000606 9, α(O)=0.0001404 21, α(P)=2.60×10^-5 4, α(Q)=1.90E-6 3

Q(β-)=-1026 keV 7	S(n)= 5462 keV 5	S(p)= 5793 keV 3	Q(α)= 6146.60 keV 10
Reference: 2012WA38

References:
A	²²⁷Ac β^- decay (21.772 Y)	B	²²⁷Pa ε decay (38.3 M)
C	²³¹U α decay (4.2 d)	D	²²⁶Ra(α,3nγ)

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	(1/2+)	18.697 d 7 % α = 100
9.30 3	A B C D	(5/2+)		9.3 1	100	(E2)	0.0	(1/2+)
24.38 3	A B C	(3/2+)		15.1 2 24.33 5	2.2 100 20	(M1) M1+E2	9.30 0.0	(5/2+) (1/2+)
37.863 25	A B C D	(3/2-)		28.57 5 37.90 3	96 19 100 19	E1 E1	9.30 0.0	(5/2+) (1/2+)
73.67 4	C D	(7/2-)		35.7? 64.38 2		E1	37.863 9.30	(3/2-) (5/2+)
76.23 4	C D	(9/2+)		51.85 4 ? 66.94 3	25 5 100 10	E2	24.38 9.30	(3/2+) (5/2+)
77.63 3	B C D	(3/2+)		39.88 6 53.23 2 68.33 2	8 2 83 8 100 5	E1 M1(+E2) M1(+E2)	37.863 24.38 9.30	(3/2-) (3/2+) (5/2+)
86.82 7 ?	C			77.52 6 ?	100		9.30	(5/2+)
99.18 3	B C D	(3/2+,5/2+)		61.33 3 74.85 5 89.88 5 99.09 8	80 8 48 8 100 24 26 6	E1	37.863 24.38 9.30 0.0	(3/2-) (3/2+) (5/2+) (1/2+)
127.30 4	B C	(3/2+,5/2+)		102.93 4 117.98 7	100 10 44 9	M1 M1	24.38 9.30	(3/2+) (5/2+)
149.99 18	D	(5/2-)		72.2 3 76.5 3		(E2)	77.63 73.67	(3/2+) (7/2-)
182.2 3	D	(13/2+)		106.0 3	100	E2	76.23	(9/2+)
183.71 4	B C	(1/2-,3/2-,5/2-)		56.41 2 84.5 3 146.0 3 159.39 8	100 10 5.4 25 4.6 25 26 5	E1	127.30 99.18 37.863 24.38	(3/2+,5/2+) (3/2+,5/2+) (3/2-) (3/2+)
200.02 7	C	(-)		72.78 7 190.62 10	100 20 61 14	E1	127.30 9.30	(3/2+,5/2+) (5/2+)
E(level) (keV)	XREF	J^π(level)	T_1/2(level)	E(γ) (keV)	I(γ)	M(γ)	Final Levels
204.27 18	D	(7/2+)		54.3 3 105.2 3 126.5 3			149.99 99.18 77.63	(5/2-) (3/2+,5/2+) (3/2+)
207.13 10	B	(1/2-,3/2-,5/2-)		129.5 1	100	(E1)	77.63	(3/2+)
228.60 7	B C	(3/2-,5/2-)		129.5 1 150.7 2 190.8 2 204.2 2 219.6 4	24 3 98 50 8.0 24 100 24 66 24	E1 E1 E1	99.18 77.63 37.863 24.38 9.30	(3/2+,5/2+) (3/2+) (3/2-) (3/2+) (5/2+)
231.46 9	C	(5/2-,7/2-,9/2-)		157.79 8	100	(M1)	73.67	(7/2-)
269.08 24	D	(9/2-)		64.8 3 119.1 3	69 10 100 15	E2	204.27 149.99	(7/2+) (5/2-)
289.04 3	C	(1/2+,3/2+,5/2+)		60.6 2 189.9 3 211.4 2 264.66 3 279.76 5 289.01 6	3.6 11 6.0 20 14 3 100 8 53 6 44 6	M1	228.60 99.18 77.63 24.38 9.30 0.0	(3/2-,5/2-) (3/2+,5/2+) (3/2+) (3/2+) (5/2+) (1/2+)
318.96 7	C	(5/2+,7/2+)		241.2 3 ? 242.7 2 294.5 2 309.68 7	6 3 14 5 25 8 100 17	M1	77.63 76.23 24.38 9.30	(3/2+) (9/2+) (3/2+) (5/2+)
344.2 4	D	(17/2+)		162.0 3	100	E2	182.2	(13/2+)
372.8 6	D	(15/2-)		190.6 5	100	E1	182.2	(13/2+)
383.0 3	D	(11/2+)		113.9 3 178.7 3	100 15 56 8	E1	269.08 204.27	(9/2-) (7/2+)
400.14 20	C			111.1 2	100		289.04	(1/2+,3/2+,5/2+)
438.5 3	D	(13/2-)		55.6 5 169.4 3		E2	383.0 269.08	(11/2+) (9/2-)
448.14 18	B			264.6 2 370.0 7 409.5 5	100 25 ≈10 ≈13		183.71 77.63 37.863	(1/2-,3/2-,5/2-) (3/2+) (3/2-)
E(level) (keV)	XREF	J^π(level)	T_1/2(level)	E(γ) (keV)	I(γ)	M(γ)	Final Levels
503.36 19	B			319.6 3 404.1 5	100 27 22 11		183.71 99.18	(1/2-,3/2-,5/2-) (3/2+,5/2+)
547.02 15	B			363.3 4 419.6 3 522.8 3 537.7 7	54 23 100 23 92 31 31 15		183.71 127.30 24.38 9.30	(1/2-,3/2-,5/2-) (3/2+,5/2+) (3/2+) (5/2+)
553.6 6	D	(19/2-)		209.4 5	100	E1	344.2	(17/2+)
559.9 5	D	(21/2+)		215.7 3	100		344.2	(17/2+)
607.7 3	D	(15/2+)		169.2 3 224.7 3	100 30 59 15	E1 E2	438.5 383.0	(13/2-) (11/2+)
616.7 4	D			233.7 3	100		383.0	(11/2+)
662.2 4	D	(17/2-)		54.5 5 223.7 3			607.7 438.5	(15/2+) (13/2-)
688.70 15	B			141.7 2 185.3 2 460.2 4 561.4 3 589.5 4	34 8 63 16 47 13 100 16 37 11		547.02 503.36 228.60 127.30 99.18	(3/2-,5/2-) (3/2+,5/2+) (3/2+,5/2+)
698.3 4	B			469.7 4	100		228.60	(3/2-,5/2-)
778.1 6	D	(23/2-)		218.2 5 224.5 5			559.9 553.6	(21/2+) (19/2-)
823.6 6	D	(25/2+)		263.7 3	100		559.9	(21/2+)
870.3 4	D			253.6 5 262.6 5	51 10 100 20		616.7 607.7	(15/2+)
873.4 4	D	(19/2+)		211.2 3 265.7 5	100 15 55 11	E1	662.2 607.7	(17/2-) (15/2+)
937.2 5	D	(21/2-)		275.0 3	100		662.2	(17/2-)
1046.6 6	D	(27/2-)		223.0 5 268.5 5	79 14 100 21		823.6 778.1	(25/2+) (23/2-)
1123.8 7	D			253.5 5	100		870.3
E(level) (keV)	XREF	J^π(level)	T_1/2(level)	E(γ) (keV)	I(γ)	M(γ)	Final Levels
1129.6 6	D	(29/2+)		306.0 3	100		823.6	(25/2+)
1167.9 5	D			294.5 5 S 297.6 5	100 20 48 9		873.4 870.3	(19/2+)
1177.0 5	D	(23/2+)		239.8 5 303.7 5	100 20 68 14	E1	937.2 873.4	(21/2-) (19/2+)
1258.2 5	D	(25/2-)		321.0 3	100		937.2	(21/2-)
1357.9 7	D	(31/2-)		228.3 5 311.3 5	46 8 100 23		1129.6 1046.6	(29/2+) (27/2-)
1437.6 7	D			269.7 5	100		1167.9
1472.3 7	D	(33/2+)		342.7 5	100		1129.6	(29/2+)
1502.3 5	D			325.2 5 334.4 5	82 18 100 18		1177.0 1167.9	(23/2+)
1515.6 6	D	(27/2+)		257.4 5 338.6 5	100 20 47 10		1258.2 1177.0	(25/2-) (23/2+)
1618.8 7	D	(29/2-)		360.6 5	100		1258.2	(25/2-)
1708.7 8	D	(35/2-)		236.4 5 S 350.8 5			1472.3 1357.9	(33/2+) (31/2-)
1782.2 7	D			279.9 5	100		1502.3
1845.8 8	D	(37/2+)		373.5 5	100		1472.3	(33/2+)
1867.1 6	D			351.5 5 364.9 5			1515.6 1502.3	(27/2+)
1887.2 7	D	(31/2+)		371.6 5	100		1515.6	(27/2+)
2013.3 9	D	(33/2-)		394.5 5	100		1618.8	(29/2-)
2094.5 8	D	(39/2-)		248.7 5 385.8 5			1845.8 1708.7	(37/2+) (35/2-)
2242.5 10	D	(41/2+)		396.7 5	100		1845.8	(37/2+)
2288.9 9 ?	D	(35/2+)		401.7 5 ?	100		1887.2	(31/2+)
2436.8 10	D	(37/2-)		423.5 5	100		2013.3	(33/2-)
2655.1 11	D	(45/2+)		412.6 5	100		2242.5	(41/2+)

E(level) (keV)	J^π(level)	T_1/2(level)	E(γ)	I(γ)	M(γ)	Final Levels
Band 1 - K^π=1/2⁺ band, α=+1/2
0.0	(1/2+)	18.697 d 7 % α = 100
9.30 3	(5/2+)		9.3 1	100	(E2)	0.0	(1/2+)
76.23 4	(9/2+)		51.85 4 ? 66.94 3	25 5 100 10	E2	24.38 9.30	(3/2+) (5/2+)
182.2 3	(13/2+)		106.0 3	100	E2	76.23	(9/2+)
344.2 4	(17/2+)		162.0 3	100	E2	182.2	(13/2+)
559.9 5	(21/2+)		215.7 3	100		344.2	(17/2+)
823.6 6	(25/2+)		263.7 3	100		559.9	(21/2+)
1129.6 6	(29/2+)		306.0 3	100		823.6	(25/2+)
1472.3 7	(33/2+)		342.7 5	100		1129.6	(29/2+)
1845.8 8	(37/2+)		373.5 5	100		1472.3	(33/2+)
2242.5 10	(41/2+)		396.7 5	100		1845.8	(37/2+)
2655.1 11	(45/2+)		412.6 5	100		2242.5	(41/2+)
E(level) (keV)	J^π(level)	T_1/2(level)	E(γ)	I(γ)	M(γ)	Final Levels
Band 2 - K^π=1/2⁺ band, α=-1/2
77.63 3	(3/2+)
204.27 18	(7/2+)		54.3 3 105.2 3 126.5 3			149.99 99.18 77.63	(5/2-) (3/2+,5/2+) (3/2+)
383.0 3	(11/2+)		113.9 3 178.7 3	100 15 56 8	E1	269.08 204.27	(9/2-) (7/2+)
607.7 3	(15/2+)		169.2 3 224.7 3	100 30 59 15	E1 E2	438.5 383.0	(13/2-) (11/2+)
873.4 4	(19/2+)		211.2 3 265.7 5	100 15 55 11	E1	662.2 607.7	(17/2-) (15/2+)
1177.0 5	(23/2+)		239.8 5 303.7 5	100 20 68 14	E1	937.2 873.4	(21/2-) (19/2+)
1515.6 6	(27/2+)		257.4 5 338.6 5	100 20 47 10		1258.2 1177.0	(25/2-) (23/2+)
1887.2 7	(31/2+)		371.6 5	100		1515.6	(27/2+)
2288.9 9	(35/2+)		401.7 5 ?	100		1887.2	(31/2+)
E(level) (keV)	J^π(level)	T_1/2(level)	E(γ)	I(γ)	M(γ)	Final Levels
Band 3 - K^π=1/2- band, α=+1/2
149.99 18	(5/2-)
269.08 24	(9/2-)		64.8 3 119.1 3	69 10 100 15	E2	204.27 149.99	(7/2+) (5/2-)
438.5 3	(13/2-)		55.6 5 169.4 3		E2	383.0 269.08	(11/2+) (9/2-)
662.2 4	(17/2-)		54.5 5 223.7 3			607.7 438.5	(15/2+) (13/2-)
937.2 5	(21/2-)		275.0 3	100		662.2	(17/2-)
1258.2 5	(25/2-)		321.0 3	100		937.2	(21/2-)
1618.8 7	(29/2-)		360.6 5	100		1258.2	(25/2-)
2013.3 9	(33/2-)		394.5 5	100		1618.8	(29/2-)
2436.8 10	(37/2-)		423.5 5	100		2013.3	(33/2-)
E(level) (keV)	J^π(level)	T_1/2(level)	E(γ)	I(γ)	M(γ)	Final Levels
Band 4 - K^π=1/2- band, α=-1/2
37.863 25	(3/2-)
73.67 4	(7/2-)		35.7? 64.38 2		E1	37.863 9.30	(3/2-) (5/2+)
372.8 6	(15/2-)		190.6 5	100	E1	182.2	(13/2+)
553.6 6	(19/2-)		209.4 5	100	E1	344.2	(17/2+)
778.1 6	(23/2-)		218.2 5 224.5 5			559.9 553.6	(21/2+) (19/2-)
1046.6 6	(27/2-)		223.0 5 268.5 5	79 14 100 21		823.6 778.1	(25/2+) (23/2-)
1357.9 7	(31/2-)		228.3 5 311.3 5	46 8 100 23		1129.6 1046.6	(29/2+) (27/2-)
1708.7 8	(35/2-)		236.4 5 S 350.8 5			1472.3 1357.9	(33/2+) (31/2-)
2094.5 8	(39/2-)		248.7 5 385.8 5			1845.8 1708.7	(37/2+) (35/2-)
E(level) (keV)	J^π(level)	T_1/2(level)	E(γ)	I(γ)	M(γ)	Final Levels
Band 5 - ROTATIONAL band SEQUENCE.
616.7 4
870.3 4			253.6 5 262.6 5	51 10 100 20		616.7 607.7	(15/2+)
1167.9 5			294.5 5 S 297.6 5	100 20 48 9		873.4 870.3	(19/2+)
1502.3 5			325.2 5 334.4 5	82 18 100 18		1177.0 1167.9	(23/2+)
1867.1 6			351.5 5 364.9 5			1515.6 1502.3	(27/2+)
E(level) (keV)	J^π(level)	T_1/2(level)	E(γ)	I(γ)	M(γ)	Final Levels
Band 6 - ROTATIONAL band SEQUENCE
1123.8 7
1437.6 7			269.7 5	100		1167.9
1782.2 7			279.9 5	100		1502.3

E(level)	J^π(level)	T_1/2(level)	Comments
0.0	(1/2+)	18.697 d 7 % α = 100	Evaluated rms charge radius=5.740 fm 17 (2013An02). E(level): K^π=1/2⁺ band, α=+1/2.
9.30	(5/2+)		E(level): K^π=1/2⁺ band, α=+1/2.
37.863	(3/2-)		E(level): K^π=1/2- band, α=-1/2.
73.67	(7/2-)		E(level): K^π=1/2- band, α=-1/2.
76.23	(9/2+)		E(level): K^π=1/2⁺ band, α=+1/2.
77.63	(3/2+)		E(level): K^π=1/2⁺ band, α=-1/2.
149.99	(5/2-)		E(level): K^π=1/2- band, α=+1/2.
182.2	(13/2+)		E(level): K^π=1/2⁺ band, α=+1/2.
204.27	(7/2+)		E(level): K^π=1/2⁺ band, α=-1/2.
269.08	(9/2-)		E(level): K^π=1/2- band, α=+1/2.
344.2	(17/2+)		E(level): K^π=1/2⁺ band, α=+1/2.
372.8	(15/2-)		E(level): K^π=1/2- band, α=-1/2.
383.0	(11/2+)		E(level): K^π=1/2⁺ band, α=-1/2.
438.5	(13/2-)		E(level): K^π=1/2- band, α=+1/2.
547.02			α 294.6-keV γ ray, reported from ²²⁷Pa ε decay, feeds a 252.4-keV level that was not adopted. E(level): α 294.6-keV γ ray, reported from ²²⁷Pa ε decay, feeds a 252.4-keV level that was not adopted.
553.6	(19/2-)		E(level): K^π=1/2- band, α=-1/2.
559.9	(21/2+)		E(level): K^π=1/2⁺ band, α=+1/2.
607.7	(15/2+)		E(level): K^π=1/2⁺ band, α=-1/2.
616.7			E(level): From ²³¹U α decay. ROTATIONAL band SEQUENCE.
662.2	(17/2-)		E(level): K^π=1/2- band, α=+1/2.
778.1	(23/2-)		E(level): K^π=1/2- band, α=-1/2.
823.6	(25/2+)		E(level): K^π=1/2⁺ band, α=+1/2.
870.3			E(level): From ²³¹U α decay. ROTATIONAL band SEQUENCE.
873.4	(19/2+)		E(level): K^π=1/2⁺ band, α=-1/2.
937.2	(21/2-)		E(level): K^π=1/2- band, α=+1/2.
E(level)	J^π(level)	T_1/2(level)	Comments
1046.6	(27/2-)		E(level): K^π=1/2- band, α=-1/2.
1123.8			E(level): ROTATIONAL band SEQUENCE.
1129.6	(29/2+)		E(level): K^π=1/2⁺ band, α=+1/2.
1167.9			E(level): From ²³¹U α decay. ROTATIONAL band SEQUENCE.
1177.0	(23/2+)		E(level): K^π=1/2⁺ band, α=-1/2.
1258.2	(25/2-)		E(level): K^π=1/2- band, α=+1/2.
1357.9	(31/2-)		E(level): K^π=1/2- band, α=-1/2.
1437.6			E(level): ROTATIONAL band SEQUENCE.
1472.3	(33/2+)		E(level): K^π=1/2⁺ band, α=+1/2.
1502.3			E(level): From ²³¹U α decay. ROTATIONAL band SEQUENCE.
1515.6	(27/2+)		E(level): K^π=1/2⁺ band, α=-1/2.
1618.8	(29/2-)		E(level): K^π=1/2- band, α=+1/2.
1708.7	(35/2-)		E(level): K^π=1/2- band, α=-1/2.
1782.2			E(level): ROTATIONAL band SEQUENCE.
1845.8	(37/2+)		E(level): K^π=1/2⁺ band, α=+1/2.
1867.1			E(level): From ²³¹U α decay. ROTATIONAL band SEQUENCE.
1887.2	(31/2+)		E(level): K^π=1/2⁺ band, α=-1/2.
2013.3	(33/2-)		E(level): K^π=1/2- band, α=+1/2.
2094.5	(39/2-)		E(level): K^π=1/2- band, α=-1/2.
2242.5	(41/2+)		E(level): K^π=1/2⁺ band, α=+1/2.
2288.9	(35/2+)		E(level): K^π=1/2⁺ band, α=-1/2.
2436.8	(37/2-)		E(level): K^π=1/2- band, α=+1/2.
2655.1	(45/2+)		E(level): K^π=1/2⁺ band, α=+1/2.

E(level)	E(gamma)	Comments
9.30	9.3	E(γ): From ²²⁷Ac β^- decay. I(γ): From ²²⁷Ac β^- decay. M(γ): From ce ratios in ²²⁷Ac β^- decay.
24.38	15.1	E(γ): From ²²⁷Ac β^- decay. I(γ): From ²²⁷Ac β^- decay. M(γ): From ce ratios in ²²⁷Ac β^- decay.
24.38	24.33	E(γ): From ²³¹U α decay I(γ): From ²²⁷Ac β^- decay. M(γ): From ce ratios in ²²⁷Ac β^- decay.
37.863	28.57	E(γ): From ²³¹U α decay I(γ): From ²³¹U α decay M(γ): From conversion electron measurements in ²²⁷Pa ε decay.
37.863	37.90	E(γ): From ²³¹U α decay I(γ): From ²³¹U α decay M(γ): From conversion electron measurements in ²²⁷Pa ε decay.
73.67	64.38	E(γ): From ²³¹U α decay I(γ): From ²³¹U α decay
76.23	51.85	E(γ): questionable placement as transition would require M3 or E4 multipolarities based on adopted Jπ.. From ²³¹U α decay I(γ): From ²³¹U α decay
76.23	66.94	E(γ): From ²³¹U α decay I(γ): From ²³¹U α decay M(γ): From conversion electron measurements in ²²⁶Ra(α,3nγ)
77.63	39.88	E(γ): From ²³¹U α decay I(γ): From ²³¹U α decay
	53.23	E(γ): From ²³¹U α decay I(γ): From ²³¹U α decay
	68.33	E(γ): From ²³¹U α decay I(γ): From ²³¹U α decay
99.18	61.33	E(γ): From ²³¹U α decay I(γ): From ²³¹U α decay
	74.85	E(γ): From ²³¹U α decay I(γ): From ²³¹U α decay
	89.88	E(γ): From ²³¹U α decay I(γ): From ²³¹U α decay
	99.09	E(γ): From ²³¹U α decay I(γ): From ²³¹U α decay
127.30	102.93	E(γ): From ²³¹U α decay I(γ): From ²³¹U α decay
127.30	117.98	E(γ): From ²³¹U α decay I(γ): From ²³¹U α decay
182.2	106.0	M(γ): From conversion electron measurements in ²²⁶Ra(α,3nγ)
183.71	56.41	E(γ): From ²³¹U α decay I(γ): From ²³¹U α decay
	84.5	E(γ): From ²²⁷Pa ε decay. I(γ): From ²²⁷Pa ε decay.
	146.0	E(γ): From ²²⁷Pa ε decay. I(γ): From ²²⁷Pa ε decay.
	159.39	E(γ): From ²³¹U α decay I(γ): From ²³¹U α decay
200.02	72.78	E(γ): From ²³¹U α decay I(γ): From ²³¹U α decay
200.02	190.62	E(γ): From ²³¹U α decay I(γ): From ²³¹U α decay
207.13	129.5	E(γ): Multiply placed with undivided intensity. From ²²⁷Pa ε decay. I(γ): Multiply placed with undivided intensity. From ²²⁷Pa ε decay. M(γ): From conversion electron measurements in ²²⁷Pa ε decay.
E(level)	E(gamma)	Comments
228.60	129.5	E(γ): Multiply placed with undivided intensity. From ²²⁷Pa ε decay. I(γ): Multiply placed with undivided intensity. From ²²⁷Pa ε decay.
	150.7	E(γ): From ²³¹U α decay I(γ): From ²³¹U α decay
	190.8	E(γ): From ²²⁷Pa ε decay. I(γ): From ²²⁷Pa ε decay.
	204.2	E(γ): From ²³¹U α decay I(γ): From ²³¹U α decay
	219.6	E(γ): From ²³¹U α decay I(γ): From ²³¹U α decay
231.46	157.79	E(γ): From ²³¹U α decay I(γ): From ²³¹U α decay
269.08	119.1	M(γ): From conversion electron measurements in ²²⁶Ra(α,3nγ)
289.04	60.6	E(γ): From ²³¹U α decay I(γ): From ²³¹U α decay
	189.9	E(γ): From ²³¹U α decay I(γ): From ²³¹U α decay
	211.4	E(γ): From ²³¹U α decay I(γ): From ²³¹U α decay
	264.66	E(γ): From ²³¹U α decay I(γ): From ²³¹U α decay
	279.76	E(γ): From ²³¹U α decay I(γ): From ²³¹U α decay
	289.01	E(γ): From ²³¹U α decay I(γ): From ²³¹U α decay
318.96	241.2	E(γ): From ²³¹U α decay I(γ): From ²³¹U α decay
	242.7	E(γ): From ²³¹U α decay I(γ): From ²³¹U α decay
	294.5	E(γ): From ²³¹U α decay I(γ): From ²³¹U α decay
	309.68	E(γ): From ²³¹U α decay I(γ): From ²³¹U α decay
344.2	162.0	M(γ): From conversion electron measurements in ²²⁶Ra(α,3nγ)
372.8	190.6	M(γ): From conversion electron measurements in ²²⁶Ra(α,3nγ)
383.0	113.9	M(γ): From conversion electron measurements in ²²⁶Ra(α,3nγ)
400.14	111.1	E(γ): From ²³¹U α decay I(γ): From ²³¹U α decay
448.14	264.6	E(γ): From ²²⁷Pa ε decay. I(γ): From ²²⁷Pa ε decay.
	370.0	E(γ): From ²²⁷Pa ε decay. I(γ): From ²²⁷Pa ε decay.
	409.5	E(γ): From ²²⁷Pa ε decay. I(γ): From ²²⁷Pa ε decay.
503.36	319.6	E(γ): From ²²⁷Pa ε decay. I(γ): From ²²⁷Pa ε decay.
503.36	404.1	E(γ): From ²²⁷Pa ε decay. I(γ): From ²²⁷Pa ε decay.
E(level)	E(gamma)	Comments
547.02	363.3	E(γ): From ²²⁷Pa ε decay. I(γ): From ²²⁷Pa ε decay.
	419.6	E(γ): From ²²⁷Pa ε decay. I(γ): From ²²⁷Pa ε decay.
	522.8	E(γ): From ²²⁷Pa ε decay. I(γ): From ²²⁷Pa ε decay.
	537.7	E(γ): From ²²⁷Pa ε decay. I(γ): From ²²⁷Pa ε decay.
553.6	209.4	M(γ): From conversion electron measurements in ²²⁶Ra(α,3nγ)
688.70	141.7	E(γ): From ²²⁷Pa ε decay. I(γ): From ²²⁷Pa ε decay.
	185.3	E(γ): From ²²⁷Pa ε decay. I(γ): From ²²⁷Pa ε decay.
	460.2	E(γ): From ²²⁷Pa ε decay. I(γ): From ²²⁷Pa ε decay.
	561.4	E(γ): From ²²⁷Pa ε decay. I(γ): From ²²⁷Pa ε decay.
	589.5	E(γ): From ²²⁷Pa ε decay. I(γ): From ²²⁷Pa ε decay.
873.4	211.2	M(γ): From conversion electron measurements in ²²⁶Ra(α,3nγ)