List of levels for 172TM

Author: Balraj Singh | Citation: Nucl. Data Sheets 75,199 (1995) | Cutoff date: 31-May-1995

E(level) (keV)	J^π(level)	T_1/2(level)	E(γ) (keV)	Multipolarity	Mixing Ratio	Conversion Coefficient	Additional Data
62.529	(3)-		62.524 4	M1+E2	0.29 8	12.6	α=12.6 4, α(K)=9.3 4, α(L)=2.5 6, α(M)=0.59 14, α(N)=0.14 3, α(O)=0.018 4, α(P)=0.000584 23
145.84	(4-)		83.24 20	[M1+E2]		5.8	α=5.8 6, α(K)=3.0 15, α(L)=2.2 15, α(M)=0.52 38, α(N)=0.119 84, α(O)=0.0142 92, α(P)=1.7×10^-4 11
145.84	(4-)		145.86 15	[E2]		0.769	α=0.769, α(K)=0.400 6, α(L)=0.283 5, α(M)=0.0686 10, α(N)=0.01564 23, α(O)=0.00186 3, α(P)=1.744×10^-5 25
239.92	(3-)		177.25 15	[M1+E2]		0.50	α=0.50 12, α(K)=0.37 15, α(L)=0.100 23, α(M)=0.0233 62, α(N)=0.0054 14, α(O)=0.00070 12, α(P)=2.1×10^-5 11
239.92	(3-)		239.9 2	[M1+E2]		0.204	α=0.204 61, α(K)=0.160 63, α(L)=0.0345 13, α(M)=0.0079 6, α(N)=0.00184 11, α(O)=0.000245 6, α(P)=9.2×10^-6 45
249.8	(5-)		103.9 2	[M1+E2]		2.72	α=2.72 8, α(K)=1.64 69, α(L)=0.82 48, α(M)=0.20 12, α(N)=0.045 27, α(O)=0.0055 29, α(P)=9.2×10^-5 52
249.8	(5-)		187.2 2	[E2]		0.325	α=0.325, α(K)=0.198 3, α(L)=0.0973 15, α(M)=0.0234 4, α(N)=0.00535 8, α(O)=0.000648 10, α(P)=9.13×10^-6 13
330.0	(4-)		90.0 5	[M1+E2]		4.40	α=4.40 23, α(K)=2.4 11, α(L)=1.5 10, α(M)=0.37 25, α(N)=0.084 57, α(O)=0.0101 62, α(P)=1.36×10^-4 81
330.0	(4-)		267.4 4	[M1+E2]		0.150	α=0.150 48, α(K)=0.119 48, α(L)=0.0241 8, α(M)=0.00553 9, α(N)=0.001281 20, α(O)=0.000173 13, α(P)=6.8×10^-6 33
374.4	(6-)		124.6 2	[M1+E2]		1.50	α=1.50 16, α(K)=1.00 39, α(L)=0.39 18, α(M)=0.093 46, α(N)=0.021 11, α(O)=0.0026 11, α(P)=5.5×10^-5 30
374.4	(6-)		228.5 2	[E2]		0.1678	α=0.1678, α(K)=0.1116 16, α(L)=0.0432 7, α(M)=0.01031 15, α(N)=0.00236 4, α(O)=0.000292 5, α(P)=5.40×10^-6 8
407.338	(1)-	1.07 ns 5	167.40 7	[E2]		0.475	B(E2)(W.u.)=0.0112 15, α=0.475, α(K)=0.272 4, α(L)=0.1559 22, α(M)=0.0377 6, α(N)=0.00860 13, α(O)=0.001032 15, α(P)=1.223E-5 18
	(1)-	1.07 ns 5	344.817 17	(E2)		0.0473	B(E2)(W.u.)=0.0264 16, α=0.0473, α(K)=0.0353 5, α(L)=0.00927 13, α(M)=0.00217 3, α(N)=0.000499 7, α(O)=6.44E-5 9, α(P)=1.85E-6 3
	(1)-	1.07 ns 5	407.338 3	M1(+E2)	0.6 LT	0.060	B(E2)(W.u.)<0.22, B(M1)(W.u.)=0.00020 1, α=0.060 5, α(K)=0.050 5, α(L)=0.0076 4, α(M)=0.00170 8, α(N)=0.000397 19, α(O)=5.7E-5 4, α(P)=3.0E-6 3
441.7	(5-)		111.7 1	[M1+E2]		2.14	α=2.14 13, α(K)=1.35 55, α(L)=0.61 33, α(M)=0.146 82, α(N)=0.033 19, α(O)=0.0041 20, α(P)=7.5×10^-5 42
	(5-)		201.7 2	[E2]		0.253	α=0.253, α(K)=0.1597 23, α(L)=0.0715 11, α(M)=0.0172 3, α(N)=0.00392 6, α(O)=0.000479 7, α(P)=7.50×10^-6 11
	(5-)		295.8 3	[M1+E2]		0.113	α=0.113 38, α(K)=0.090 37, α(L)=0.0174 14, α(M)=0.00398 21, α(N)=0.00092 6, α(O)=0.000126 16, α(P)=5.2×10^-6 25
446.036	(2)-		38.66 5	M1+E2	0.6 1	57	α=57 12, α(L)=44 10, α(M)=10.6 23, α(N)=2.4 6, α(O)=0.28 6, α(P)=0.00199 15
	(2)-		206.09 10	[M1+E2]		0.319	α=0.319 84, α(K)=0.244 94, α(L)=0.058 8, α(M)=0.0135 23, α(N)=0.0031 5, α(O)=0.00041 3, α(P)=1.39×10^-5 68
	(2)-		300.19 6	[E2]		0.0713	α=0.0713, α(K)=0.0516 8, α(L)=0.01522 22, α(M)=0.00359 5, α(N)=0.000824 12, α(O)=0.0001047 15, α(P)=2.64×10^-6 4
	(2)-		383.501 4	(M1)		0.0754	α=0.0754, α(K)=0.0634 9, α(L)=0.00935 13, α(M)=0.00208 3, α(N)=0.000486 7, α(O)=7.01×10^-5 10, α(P)=3.83E-6 6
	(2)-		446.025 9	(M1)		0.0508	α=0.0508, α(K)=0.0428 6, α(L)=0.00627 9, α(M)=0.001393 20, α(N)=0.000326 5, α(O)=4.70×10^-5 7, α(P)=2.58E-6 4
475.446	(0)-		29.37 5	E2		755	α=755 13, α(L)=579 10, α(M)=140.8 23, α(N)=31.8 6, α(O)=3.60 6, α(P)=0.001301 22
	(0)-		68.107 4	M1		9.38	α=9.38, α(K)=7.84 11, α(L)=1.200 17, α(M)=0.268 4, α(N)=0.0626 9, α(O)=0.00899 13, α(P)=0.000485 7
	(0)-		475.445 2	(E2)		0.0195	α=0.0195, α(K)=0.01534 22, α(L)=0.00323 5, α(M)=0.000743 11, α(N)=0.0001719 24, α(O)=2.29×10^-5 4, α(P)=8.41E-7 12
E(level) (keV)	J^π(level)	T_1/2(level)	E(γ) (keV)	Multipolarity	Mixing Ratio	Conversion Coefficient	Additional Data
476.2	(6+)	132 µs 7 % IT = 100	34.6 3	E1		1.10	B(E1)(W.u.)=3.6E-9 6, α=1.10 3, α(L)=0.857 25, α(M)=0.193 6, α(N)=0.0434 13, α(O)=0.00515 14, α(P)=0.000152 4
	(6+)	132 µs 7 % IT = 100	101.8 1	E1		0.318	B(E1)(W.u.)=8.0E-10 6, α=0.318, α(K)=0.264 4, α(L)=0.0426 6, α(M)=0.00949 14, α(N)=0.00218 4, α(O)=0.000289 5, α(P)=1.178E-5 17
	(6+)	132 µs 7 % IT = 100	226.3 2	E1		0.0390	B(E1)(W.u.)=1.93E-11 23, α=0.0390, α(K)=0.0328 5, α(L)=0.00488 7, α(M)=0.001082 16, α(N)=0.000250 4, α(O)=3.46E-5 5, α(P)=1.630E-6 23
479.68	(1-,2-)		239.5 2	[M1,E2]		0.205	α=0.205 62, α(K)=0.161 64, α(L)=0.0346 14, α(M)=0.0080 6, α(N)=0.00185 12, α(O)=0.000247 6, α(P)=9.2×10^-6 45
526.23	(0-,1,2-)		80.19 5	[D,E2]		3.2	α=3.2 27, α(K)=2.7 22, α(L)=0.41 34, α(M)=0.092 74, α(N)=0.022 18, α(O)=0.0031 26, α(P)=1.6×10^-4 14
526.23	(0-,1,2-)		118.9 2	[D,E2]		1.05	α=1.05 84, α(K)=0.88 71, α(L)=0.13 11, α(M)=0.030 24, α(N)=0.0069 56, α(O)=9.9×10^-4 81, α(P)=5.3E-5 45
535.140	(1)-	1.22 ns 5	59.692 6	M1		14.2	B(M1)(W.u.)=0.0049 3, α=14.2
	(1)-	1.22 ns 5	89.09 4	[M1,E2]		4.56	α=4.56 25, α(K)=2.5 12, α(L)=1.6 11, α(M)=0.39 27, α(N)=0.088 60, α(O)=0.0106 65, α(P)=1.40×10^-4 83
	(1)-	1.22 ns 5	127.805 3	M1+E2	0.6 3	1.46	B(E2)(W.u.)=2.9 22, B(M1)(W.u.)=0.00029 8, α=1.46 6, α(K)=1.10 14, α(L)=0.28 6, α(M)=0.065 15, α(N)=0.015 4, α(O)=0.0019 4, α(P)=6.5E-5 10
	(1)-	1.22 ns 5	295.3 3	[E2]		0.0750	B(E2)(W.u.)=0.00019 13, α=0.0750, α(K)=0.0540 8, α(L)=0.01617 24, α(M)=0.00381 6, α(N)=0.000876 13, α(O)=0.0001111 16, α(P)=2.76E-6 4
	(1)-	1.22 ns 5	472.71 4	[E2]		0.0198	B(E2)(W.u.)=0.000232 17, α=0.0198, α(K)=0.01556 22, α(L)=0.00328 5, α(M)=0.000757 11, α(N)=0.0001750 25, α(O)=2.33E-5 4, α(P)=8.52E-7 12
	(1)-	1.22 ns 5	535.143 9	(M1,E2)		0.0231	α=0.0231 87, α(K)=0.0191 77, α(L)=0.00308 82, α(M)=6.9×10^-4 18, α(N)=1.61E-4 42, α(O)=2.27E-5 66, α(P)=1.12E-6 49
610.062	1+	≤ 0.3 ns	74.940 8	E1		0.710	α=0.710, α(K)=0.582 9, α(L)=0.0999 14, α(M)=0.0223 4, α(N)=0.00509 8, α(O)=0.000660 10, α(P)=2.50×10^-5 4
	1+	≤ 0.3 ns	113.71 13	[D,E2]		1.19	α=1.19 96, α(K)=1.00 80, α(L)=0.15 12, α(M)=0.034 27, α(N)=0.0079 63, α(O)=0.00113 92, α(P)=6.0×10^-5 51
	1+	≤ 0.3 ns	134.68 6	[E1]		0.1517	α=0.1517, α(K)=0.1265 18, α(L)=0.0197 3, α(M)=0.00438 7, α(N)=0.001009 15, α(O)=0.0001361 20, α(P)=5.88×10^-6 9
	1+	≤ 0.3 ns	164.013 5	E1		0.0902	α=0.0902, α(K)=0.0754 11, α(L)=0.01151 17, α(M)=0.00256 4, α(N)=0.000590 9, α(O)=8.04×10^-5 12, α(P)=3.60E-6 5
	1+	≤ 0.3 ns	202.724 5	(E1)		0.0518	α=0.0518, α(K)=0.0435 6, α(L)=0.00652 10, α(M)=0.001447 21, α(N)=0.000335 5, α(O)=4.60×10^-5 7, α(P)=2.13E-6 3
	1+	≤ 0.3 ns	370.3 2	[M2]		0.302	α=0.302, α(K)=0.244 4, α(L)=0.0448 7, α(M)=0.01025 15, α(N)=0.00241 4, α(O)=0.000342 5, α(P)=1.760×10^-5 25
	1+	≤ 0.3 ns	547.54	[M2]		0.0907	α=0.0907, α(K)=0.0744 11, α(L)=0.01261 18, α(M)=0.00286 4, α(N)=0.000670 10, α(O)=9.57×10^-5 14, α(P)=5.04E-6 7
	1+	≤ 0.3 ns	610.062 2	E1		0.00379	α=0.00379, α(K)=0.00322 5, α(L)=0.000449 7, α(M)=9.91×10^-5 14, α(N)=2.31E-5 4, α(O)=3.28E-6 5, α(P)=1.724E-7 25

Nuclear structure theory references:

1994No15: analyzed Gallagher-Moszkowski splitting energy, Newby shifts

1988Fr16: analyzed rotational bands data

1973Na27: calculated level energies

Hyperfine structure measurement: 1988Al04, 1987Mi31

Levels: Band assignments are from 1972Ba01 and 1976MeZC

Q-value: S(2n)=13721 6, S(2p)=15710 50 (2012Wa38)

Q(β-)=1881 keV 6	S(n)= 6235 keV 5	S(p)= 6944 keV 5	Q(α)= 260 keV 30
Reference: 2012WA38

E(level) (keV)	XREF	J^π(level)	T_1/2(level)	E(γ) (keV)	I(γ)	M(γ)	Final Levels
0.0	A B	2-	63.6 h 3 % β^- = 100
62.529 4	A B	(3)-		62.524 4	100 2	M1+E2	0.0	2-
145.84 6	A B	(4-)		83.24 20 145.86 15	100 14 37 10	[M1+E2] [E2]	62.529 0.0	(3)- 2-
239.92 5	A B	(3-)		177.25 15 239.9 2	8.5 26 100 7	[M1+E2] [M1+E2]	62.529 0.0	(3)- 2-
249.8 2	B	(5-)		103.9 2 187.2 2	100 90 5	[M1+E2] [E2]	145.84 62.529	(4-) (3)-
330.0 2	B	(4-)		90.0 5 267.4 4	100 32 78 27	[M1+E2] [M1+E2]	239.92 62.529	(3-) (3)-
374.4 2	B	(6-)		124.6 2 228.5 2	100 56.5 22	[M1+E2] [E2]	249.8 145.84	(5-) (4-)
407.338 2	A	(1)-	1.07 ns 5	167.40 7 344.817 17 407.338 3	0.017 2 1.49 4 100.0 20	[E2] (E2) M1(+E2)	239.92 62.529 0.0	(3-) (3)- 2-
441.7 2	B	(5-)		111.7 1 201.7 2 295.8 3	91 29 21 7 100 35	[M1+E2] [E2] [M1+E2]	330.0 239.92 145.84	(4-) (3-) (4-)
446.036 4	A	(2)-		38.66 5 206.09 10 300.19 6 383.501 4 446.025 9	0.24 7 0.10 1 0.70 3 79.5 16 100.0 23	M1+E2 [M1+E2] [E2] (M1) (M1)	407.338 239.92 145.84 62.529 0.0	(1)- (3-) (4-) (3)- 2-
475.446 2	A	(0)-		29.37 5 68.107 4 475.445 2	0.23 6 100.0 20 31.6 6	E2 M1 (E2)	446.036 407.338 0.0	(2)- (1)- 2-
476.2 2	B	(6+)	132 µs 7 % IT = 100	34.6 3 101.8 1 226.3 2	17.9 27 100.0 23 26.6 26	E1 E1 E1	441.7 374.4 249.8	(5-) (6-) (5-)
E(level) (keV)	XREF	J^π(level)	T_1/2(level)	E(γ) (keV)	I(γ)	M(γ)	Final Levels
479.68 9	A	(1-,2-)		239.5 2 416.8 5 479.76 10	37 7 78 26 100 11	[M1,E2]	239.92 62.529 0.0	(3-) (3)- 2-
496.34 12 ?	A			496.3 3 ?	100		0.0	2-
519.3 5	B	(7-)		145 1 ? 269.5 4			374.4 249.8	(6-) (5-)
526.23 5	A	(0-,1,2-)		80.19 5 118.9 2 463.7? 526.2 4	100 50 20 10 <50 70 50	[D,E2] [D,E2]	446.036 407.338 62.529 0.0	(2)- (1)- (3)- 2-
535.140 3	A	(1)-	1.22 ns 5	59.692 6 89.09 4 127.805 3 295.3 3 ? 472.71 4 535.143 9	100 3 0.17 2 78.9 17 0.09 6 1.16 6 10.9 3	M1 [M1,E2] M1+E2 [E2] [E2] (M1,E2)	475.446 446.036 407.338 239.92 62.529 0.0	(0)- (2)- (1)- (3-) (3)- 2-
574.7 7	B	(6-)		133 1 245 1			441.7 330.0	(5-) (4-)
610.062 2	A	1+	≤ 0.3 ns	74.940 8 113.71 13 134.68 6 164.013 5 202.724 5 370.3 2 547.54? 610.062 2	0.27 1 0.003 2 0.024 1 1.52 6 2.33 8 0.0028 6 <0.0007 100.0 23	E1 [D,E2] [E1] E1 (E1) [M2] [M2] E1	535.140 496.34 475.446 446.036 407.338 239.92 62.529 0.0	(1)- (0)- (2)- (1)- (3-) (3)- 2-
685.3 9 ?	B	(8-)		166 1 ? 311 2 ?			519.3 374.4	(7-) (6-)
714.50 9	A	(0-,1)		179.6 4 307.15 10 714.45 25	10 4 100 21 17 13		535.140 407.338 0.0	(1)- (1)- 2-
E(level) (keV)	XREF	J^π(level)	T_1/2(level)	E(γ) (keV)	I(γ)	M(γ)	Final Levels
719.5 11	B	(7-)		145 1 277 2			574.7 441.7	(6-) (5-)
797.42 10	A	(0-,1)		187.4 4 ? 734.9? 797.42 10	8 8 <0.012 100 4		610.062 62.529 0.0	1+ (3)- 2-
871.3 10 ?	B	(9-)		186 2 ? 352 1 ?			685.3 519.3	(8-) (7-)

E(level) (keV)	J^π(level)	T_1/2(level)	E(γ)	I(γ)	M(γ)	Final Levels
Band 1 - π1/2[411]~#ν5/2[512],Kπ=2-
0.0	2-	63.6 h 3 % β^- = 100
62.529 4	(3)-		62.524 4	100 2	M1+E2	0.0	2-
145.84 6	(4-)		83.24 20 145.86 15	100 14 37 10	[M1+E2] [E2]	62.529 0.0	(3)- 2-
249.8 2	(5-)		103.9 2 187.2 2	100 90 5	[M1+E2] [E2]	145.84 62.529	(4-) (3)-
374.4 2	(6-)		124.6 2 228.5 2	100 56.5 22	[M1+E2] [E2]	249.8 145.84	(5-) (4-)
519.3 5	(7-)		145 1 ? 269.5 4			374.4 249.8	(6-) (5-)
685.3 9	(8-)		166 1 ? 311 2 ?			519.3 374.4	(7-) (6-)
871.3 10	(9-)		186 2 ? 352 1 ?			685.3 519.3	(8-) (7-)
E(level) (keV)	J^π(level)	T_1/2(level)	E(γ)	I(γ)	M(γ)	Final Levels
Band 2 - π1/2[411]~#ν1/2[521],Kπ=1-
407.338 2	(1)-	1.07 ns 5
446.036 4	(2)-		38.66 5 206.09 10 300.19 6 383.501 4 446.025 9	0.24 7 0.10 1 0.70 3 79.5 16 100.0 23	M1+E2 [M1+E2] [E2] (M1) (M1)	407.338 239.92 145.84 62.529 0.0	(1)- (3-) (4-) (3)- 2-
E(level) (keV)	J^π(level)	T_1/2(level)	E(γ)	I(γ)	M(γ)	Final Levels
Band 3 - π1/2[411]~#ν1/2[521],Kπ=0-
475.446 2	(0)-
535.140 3	(1)-	1.22 ns 5	59.692 6 89.09 4 127.805 3 295.3 3 ? 472.71 4 535.143 9	100 3 0.17 2 78.9 17 0.09 6 1.16 6 10.9 3	M1 [M1,E2] M1+E2 [E2] [E2] (M1,E2)	475.446 446.036 407.338 239.92 62.529 0.0	(0)- (2)- (1)- (3-) (3)- 2-
E(level) (keV)	J^π(level)	T_1/2(level)	E(γ)	I(γ)	M(γ)	Final Levels
Band 4 - π1/2[411]~#ν5/2[521],Kπ=3-
239.92 5	(3-)
330.0 2	(4-)		90.0 5 267.4 4	100 32 78 27	[M1+E2] [M1+E2]	239.92 62.529	(3-) (3)-
441.7 2	(5-)		111.7 1 201.7 2 295.8 3	91 29 21 7 100 35	[M1+E2] [E2] [M1+E2]	330.0 239.92 145.84	(4-) (3-) (4-)
574.7 7	(6-)		133 1 245 1			441.7 330.0	(5-) (4-)
719.5 11	(7-)		145 1 277 2			574.7 441.7	(6-) (5-)

E(level)	E(gamma)	Comments
239.92	177.25	I(γ): from β^- decay. Other: 28 9 from (⁷Li,αnγ)
519.3	145	E(γ): Multiply placed
719.5	145	E(γ): Multiply placed

References:
A	¹⁷²Er β^- decay (49.3 H)	B	¹⁷⁰Er(⁷Li,αnγ)

E(level)	J^π(level)	T_1/2(level)	Comments
0.0	2-	63.6 h 3 % β^- = 100	Δ<r²>(¹⁷²Tm,¹⁶⁹Tm)=0.154 fm² 30 (1988Al04). E(level): π1/2[411]~#ν5/2[512],Kπ=2-.
62.529	(3)-		E(level): π1/2[411]~#ν5/2[512],Kπ=2-.
145.84	(4-)		E(level): π1/2[411]~#ν5/2[512],Kπ=2-.
239.92	(3-)		E(level): π1/2[411]~#ν5/2[521],Kπ=3-.
249.8	(5-)		E(level): π1/2[411]~#ν5/2[512],Kπ=2-.
330.0	(4-)		E(level): π1/2[411]~#ν5/2[521],Kπ=3-.
374.4	(6-)		E(level): π1/2[411]~#ν5/2[512],Kπ=2-.
407.338	(1)-	1.07 ns 5	E(level): π1/2[411]~#ν1/2[521],Kπ=1-.
441.7	(5-)		E(level): π1/2[411]~#ν5/2[521],Kπ=3-.
446.036	(2)-		E(level): π1/2[411]~#ν1/2[521],Kπ=1-.
475.446	(0)-		E(level): π1/2[411]~#ν1/2[521],Kπ=0-.
476.2	(6+)	132 µs 7 % IT = 100	Configuration=π7/2[523]~#ν5/2[512], Kπ=6⁺. The antiparallel coupling of this configuration gives a level at 1⁺, 610.1 which is populated only in β decay studies. The 6⁺ bandhead of parallel coupling being lower than the 1⁺ bandhead of the antiparallel coupling is consistent with predictions of Gallagher- Moszkowski rules. E(level): Configuration=π7/2[523]~#ν5/2[512], Kπ=6⁺. The antiparallel coupling of this configuration gives a level at 1⁺, 610.1 which is populated only in β decay studies. The 6⁺ bandhead of parallel coupling being lower than the 1⁺ bandhead of the antiparallel coupling is consistent with predictions of Gallagher- Moszkowski rules.
519.3	(7-)		E(level): π1/2[411]~#ν5/2[512],Kπ=2-.
535.140	(1)-	1.22 ns 5	E(level): π1/2[411]~#ν1/2[521],Kπ=0-.
574.7	(6-)		E(level): π1/2[411]~#ν5/2[521],Kπ=3-.
685.3	(8-)		E(level): π1/2[411]~#ν5/2[512],Kπ=2-.
719.5	(7-)		E(level): π1/2[411]~#ν5/2[521],Kπ=3-.
871.3	(9-)		E(level): π1/2[411]~#ν5/2[512],Kπ=2-.