ADOPTED LEVELS, GAMMAS for 173W
Author: V. S. Shirley | Citation: Nucl. Data Sheets 75,377 (1995) | Cutoff date: 1-Oct-1993
Full ENSDF file | Adopted Levels (PDF version)
| Q(β-)=-5.17×103 keV 4 | S(n)= 7.70×103 keV 4 | S(p)= 4.69×103 keV 4 | Q(α)= 3.56×103 keV 4 | ||
| Reference: 2012WA38 | 
| References: | |||
| A | 161Dy(16O,4nγ) | ||
| E(level) (keV)  | XREF | Jπ(level) | T1/2(level) | E(γ) (keV)  | I(γ) | M(γ) | Final Levels | |
| 0.0 | A | 5/2- |  7.6 m 2   % ε = 100  | |||||
| 0.0+X | A | (1/2-) | ||||||
| 85.37 10 | A | (7/2)+ | 14 ns 4 |    85.37 10  |    100 | E1 |      0.0 | 5/2- | 
| 89.74+X 20 | A | (5/2-) |    89.74 20  |    100 |      0.0+X | (1/2-) | ||
| 95.23 9 | A | (7/2-) |    95.22 10  |    100 |      0.0 | 5/2- | ||
| 127.91 13 | A | (9/2+) |    42.49 10  |    100 |     85.37 | (7/2)+ | ||
| 200.04 14 | A | (11/2+) |    72.11 10  114.78 15  |    100 22  22 11  | (M1+E2) |    127.91 85.37  | (9/2+) (7/2)+  | |
| 216.85 10 | A | (9/2-) |   121.60 10  216.87 15  |     92 25  100 25  | M1+E2 |     95.23 0.0  | (7/2-) 5/2-  | |
| 273.84 16 | A | (13/2+) |    73.83 10  145.48 40  |    100 20  <200  |    200.04 127.91  | (11/2+) (9/2+)  | ||
| 280.71+X 22 | A | (9/2-) |   190.97 10  |    100 | E2 |     89.74+X | (5/2-) | |
| 362.26 15 | A | (11/2-) |   145.40 25  267.07 20  |   <182 100 27  | E2  |    216.85 95.23  | (9/2-) (7/2-)  | |
| 423.95 16 | A | (15/2+) |   150.12 10  223.91 10  |     80 7  100 7  | M1+E2 E2  |    273.84 200.04  | (13/2+) (11/2+)  | |
| 517.87 19 | A | (17/2+) |    93.93 10  243.69 40  |     36 5  100 36  |    423.95 273.84  | (15/2+) (13/2+)  | ||
| 529.34 15 | A | (13/2-) |   167.08 15  312.48 15  |    100 11  79 11  | M1+E2 E2  |    362.26 216.85  | (11/2-) (9/2-)  | |
| 555.46+X 24 | A | (13/2-) |   274.75 10  |    100 | E2 |    280.71+X | (9/2-) | |
| 715.76 17 | A | (15/2-) |   186.38 15  353.51 15  |     87 13  100 20  | M1+E2 E2  |    529.34 362.26  | (13/2-) (11/2-)  | |
| 763.20 20 | A | (19/2+) |   245.30 25  339.29 15  |     38 9  100 6  | M1+E2 E2  |    517.87 423.95  | (17/2+) (15/2+)  | |
| 867.23 22 | A | (21/2+) |   104.07 15  349.31 20  |      5.5 18  100 20  |    763.20 517.87  | (19/2+) (17/2+)  | ||
| 896.7+X 3 | A | (17/2-) |   341.28 15  |    100 | E2 |    555.46+X | (13/2-) | |
| E(level) (keV)  | XREF | Jπ(level) | T1/2(level) | E(γ) (keV)  | I(γ) | M(γ) | Final Levels | |
| 918.19 19 | A | (17/2-) |   202.40 15  388.88 15  |     35 10  100 15  | M1+E2 E2  |    715.76 529.34  | (15/2-) (13/2-)  | |
| 1134.7 4 | A | (19/2-) |   418.90 35  |    100 |    715.76 | (15/2-) | ||
| 1203.6 3 | A | (23/2+) |   336.43 20  440.36 25  |     26 8  100 8  | M1+E2 (E2)  |    867.23 763.20  | (21/2+) (19/2+)  | |
| 1292.5+X 3 | A | (21/2-) |   395.80 15  |    100 | E2 |    896.7+X | (17/2-) | |
| 1316.3 3 | A | (25/2+) |   449.08 20  |    100 | E2 |    867.23 | (21/2+) | |
| 1362.4 5 | A | (21/2-) |   444.20 45  |    100 | E2 |    918.19 | (17/2-) | |
| 1600.5 4 | A | (23/2-) |   465.80 20  |    100 | E2 |   1134.7 | (19/2-) | |
| 1727.6 3 | A | (27/2+) |   523.94 20  |    100 | E2 |   1203.6 | (23/2+) | |
| 1734.6+X 4 | A | (25/2-) |   442.06 30  |    100 | E2 |   1292.5+X | (21/2-) | |
| 1843.5 8 | A | (25/2-) |   481.10 60  |    100 | E2 |   1362.4 | (21/2-) | |
| 1852.6 4 | A | (29/2+) |   536.25 20  |    100 | E2 |   1316.3 | (25/2+) | |
| 2099.7 7 | A | (27/2-) |   499.19 50  |    100 |   1600.5 | (23/2-) | ||
| 2213.4+X 6 | A | (29/2-) |   478.77 40  |    100 | E2 |   1734.6+X | (25/2-) | |
| 2320.8 4 | A | (31/2+) |   593.24 30  |    100 |   1727.6 | (27/2+) | ||
| 2462.2 4 | A | (33/2+) |   609.67 20  |    100 | E2 |   1852.6 | (29/2+) | |
| 2643.0 8 | A | (31/2-) |   543.30 35  |    100 |   2099.7 | (27/2-) | ||
| 2719.3+X 8 | A | (33/2-) |   505.96 50  |    100 |   2213.4+X | (29/2-) | ||
| 2972.1 5 | A | (35/2+) |   651.32 30  |    100 | E2 |   2320.8 | (31/2+) | |
| 3130.5 5 | A | (37/2+) |   668.31 25  |    100 | E2 |   2462.2 | (33/2+) | |
| 3271.5+X 8 | A | (37/2-) |   552.13 25  |    100 |   2719.3+X | (33/2-) | ||
| 3675.1 7 | A | (39/2+) |   703.00 40  |    100 | (E2) |   2972.1 | (35/2+) | |
| 3834.5 6 | A | (41/2+) |   703.97 30  |    100 | (E2) |   3130.5 | (37/2+) | |
| 3887.9+X 9 | A | (41/2-) |   616.40 32  |    100 | E2 |   3271.5+X | (37/2-) | |
E(level): From 161Dy(16O,4nγ).
Jπ(level): From γ-ray multipolarities, coincidence data, and analysis of rotational structure in 161Dy(16O,4nγ) (1978Wa16), except where noted.
I(γ): Relative photon branching from each level.
| E(level) (keV)  | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
| Band 1 - 5/2(512) band; α=13.9, B=-11 | |||||||
| 0.0 | 5/2- |  7.6 m 2   % ε = 100  | |||||
| 95.23 9 | (7/2-) | ||||||
| 216.85 10 | (9/2-) |   121.60 10  216.87 15  |     92 25  100 25  | M1+E2 |     95.23 0.0  | (7/2-) 5/2-  | |
| 362.26 15 | (11/2-) |   145.40 25  267.07 20  |   <182 100 27  | E2  |    216.85 95.23  | (9/2-) (7/2-)  | |
| 529.34 15 | (13/2-) |   167.08 15  312.48 15  |    100 11  79 11  | M1+E2 E2  |    362.26 216.85  | (11/2-) (9/2-)  | |
| 715.76 17 | (15/2-) |   186.38 15  353.51 15  |     87 13  100 20  | M1+E2 E2  |    529.34 362.26  | (13/2-) (11/2-)  | |
| 918.19 19 | (17/2-) |   202.40 15  388.88 15  |     35 10  100 15  | M1+E2 E2  |    715.76 529.34  | (15/2-) (13/2-)  | |
| 1134.7 4 | (19/2-) |   418.90 35  |    100 |    715.76 | (15/2-) | ||
| 1362.4 5 | (21/2-) |   444.20 45  |    100 | E2 |    918.19 | (17/2-) | |
| 1600.5 4 | (23/2-) |   465.80 20  |    100 | E2 |   1134.7 | (19/2-) | |
| 1843.5 8 | (25/2-) |   481.10 60  |    100 | E2 |   1362.4 | (21/2-) | |
| 2099.7 7 | (27/2-) |   499.19 50  |    100 |   1600.5 | (23/2-) | ||
| 2643.0 8 | (31/2-) |   543.30 35  |    100 |   2099.7 | (27/2-) | ||
| E(level) (keV)  | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
| Band 2 - 7/2(633) band | |||||||
| 85.37 10 | (7/2)+ | 14 ns 4 | |||||
| 127.91 13 | (9/2+) | ||||||
| 200.04 14 | (11/2+) |    72.11 10  114.78 15  |    100 22  22 11  | (M1+E2) |    127.91 85.37  | (9/2+) (7/2)+  | |
| 273.84 16 | (13/2+) |    73.83 10  145.48 40  |    100 20  <200  |    200.04 127.91  | (11/2+) (9/2+)  | ||
| 423.95 16 | (15/2+) |   150.12 10  223.91 10  |     80 7  100 7  | M1+E2 E2  |    273.84 200.04  | (13/2+) (11/2+)  | |
| 517.87 19 | (17/2+) |    93.93 10  243.69 40  |     36 5  100 36  |    423.95 273.84  | (15/2+) (13/2+)  | ||
| 763.20 20 | (19/2+) |   245.30 25  339.29 15  |     38 9  100 6  | M1+E2 E2  |    517.87 423.95  | (17/2+) (15/2+)  | |
| 867.23 22 | (21/2+) |   104.07 15  349.31 20  |      5.5 18  100 20  |    763.20 517.87  | (19/2+) (17/2+)  | ||
| 1203.6 3 | (23/2+) |   336.43 20  440.36 25  |     26 8  100 8  | M1+E2 (E2)  |    867.23 763.20  | (21/2+) (19/2+)  | |
| 1316.3 3 | (25/2+) |   449.08 20  |    100 | E2 |    867.23 | (21/2+) | |
| 1727.6 3 | (27/2+) |   523.94 20  |    100 | E2 |   1203.6 | (23/2+) | |
| 1852.6 4 | (29/2+) |   536.25 20  |    100 | E2 |   1316.3 | (25/2+) | |
| 2320.8 4 | (31/2+) |   593.24 30  |    100 |   1727.6 | (27/2+) | ||
| 2462.2 4 | (33/2+) |   609.67 20  |    100 | E2 |   1852.6 | (29/2+) | |
| 2972.1 5 | (35/2+) |   651.32 30  |    100 | E2 |   2320.8 | (31/2+) | |
| 3130.5 5 | (37/2+) |   668.31 25  |    100 | E2 |   2462.2 | (33/2+) | |
| 3675.1 7 | (39/2+) |   703.00 40  |    100 | (E2) |   2972.1 | (35/2+) | |
| 3834.5 6 | (41/2+) |   703.97 30  |    100 | (E2) |   3130.5 | (37/2+) | |
| E(level) (keV)  | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
| Band 3 - 1/2(521) band; α=14.0, B=-23, a=0.72 | |||||||
| 0.0+X | (1/2-) | ||||||
| 89.74+X 20 | (5/2-) | ||||||
| 280.71+X 22 | (9/2-) |   190.97 10  |    100 | E2 |     89.74+X | (5/2-) | |
| 555.46+X 24 | (13/2-) |   274.75 10  |    100 | E2 |    280.71+X | (9/2-) | |
| 896.7+X 3 | (17/2-) |   341.28 15  |    100 | E2 |    555.46+X | (13/2-) | |
| 1292.5+X 3 | (21/2-) |   395.80 15  |    100 | E2 |    896.7+X | (17/2-) | |
| 1734.6+X 4 | (25/2-) |   442.06 30  |    100 | E2 |   1292.5+X | (21/2-) | |
| 2213.4+X 6 | (29/2-) |   478.77 40  |    100 | E2 |   1734.6+X | (25/2-) | |
| 2719.3+X 8 | (33/2-) |   505.96 50  |    100 |   2213.4+X | (29/2-) | ||
| 3271.5+X 8 | (37/2-) |   552.13 25  |    100 |   2719.3+X | (33/2-) | ||
| 3887.9+X 9 | (41/2-) |   616.40 32  |    100 | E2 |   3271.5+X | (37/2-) | |
| E(level) (keV)  | Jπ(level) | T1/2(level) | E(γ) (keV)  | Multipolarity | Mixing Ratio  | Conversion Coefficient  | Additional Data | 
| 85.37 | (7/2)+ | 14 ns 4 | 85.37 10 | E1 | 0.570 | B(E1)(W.u.)=1.6E-5 5, α=0.570 | |
| 200.04 | (11/2+) | 72.11 10 | (M1+E2) | 14.0 | α=14.0 14 | ||
| 216.85 | (9/2-) | 121.60 10 | M1+E2 | -0.30 15 | 2.71 | α=2.71 8 | |
| 280.71+X | (9/2-) | 190.97 10 | E2 | 0.364 | α=0.364 | ||
| 362.26 | (11/2-) | 267.07 20 | E2 | 0.122 | α=0.122 | ||
| 423.95 | (15/2+) | 150.12 10 | M1+E2 | -0.8 4 | 1.27 | α=1.27 14 | |
| (15/2+) | 223.91 10 | E2 | 0.215 | α=0.215 | |||
| 529.34 | (13/2-) | 167.08 15 | M1+E2 | -0.09 10 | 1.13 | α=1.13 | |
| (13/2-) | 312.48 15 | E2 | 0.0759 | α=0.0759 | |||
| 555.46+X | (13/2-) | 274.75 10 | E2 | 0.112 | α=0.112 | ||
| 715.76 | (15/2-) | 186.38 15 | M1+E2 | +0.02 6 | 0.835 | α=0.835 | |
| (15/2-) | 353.51 15 | E2 | 0.0531 | α=0.0531 | |||
| 763.20 | (19/2+) | 245.30 25 | M1+E2 | -0.8 4 | 0.30 | α=0.30 5 | |
| (19/2+) | 339.29 15 | E2 | 0.0597 | α=0.0597 | |||
| 896.7+X | (17/2-) | 341.28 15 | E2 | 0.0587 | α=0.0587 | ||
| 918.19 | (17/2-) | 202.40 15 | M1+E2 | -2.0 20 | 0.37 | α=0.37 5 | |
| (17/2-) | 388.88 15 | E2 | 0.0407 | α=0.0407 | |||
| 1203.6 | (23/2+) | 336.43 20 | M1+E2 | -1.0 10 | 0.11 | α=0.11 3 | |
| (23/2+) | 440.36 25 | (E2) | 0.0292 | α=0.0292 | |||
| 1292.5+X | (21/2-) | 395.80 15 | E2 | 0.0388 | α=0.0388 | ||
| 1316.3 | (25/2+) | 449.08 20 | E2 | 0.0277 | α=0.0277 | ||
| 1362.4 | (21/2-) | 444.20 45 | E2 | 0.0285 | α=0.0285 | ||
| 1600.5 | (23/2-) | 465.80 20 | E2 | 0.0253 | α=0.0253 | ||
| 1727.6 | (27/2+) | 523.94 20 | E2 | 0.0189 | α=0.0189 | ||
| 1734.6+X | (25/2-) | 442.06 30 | E2 | 0.0289 | α=0.0289 | ||
| E(level) (keV)  | Jπ(level) | T1/2(level) | E(γ) (keV)  | Multipolarity | Mixing Ratio  | Conversion Coefficient  | Additional Data | 
| 1843.5 | (25/2-) | 481.10 60 | E2 | 0.0233 | α=0.0233 | ||
| 1852.6 | (29/2+) | 536.25 20 | E2 | 0.0179 | α=0.0179 | ||
| 2213.4+X | (29/2-) | 478.77 40 | E2 | 0.0236 | α=0.0236 | ||
| 2462.2 | (33/2+) | 609.67 20 | E2 | 0.0132 | α=0.0132 | ||
| 2972.1 | (35/2+) | 651.32 30 | E2 | 0.0113 | α=0.0113 | ||
| 3130.5 | (37/2+) | 668.31 25 | E2 | 0.0107 | α=0.0107 | ||
| 3675.1 | (39/2+) | 703.00 40 | (E2) | 0.00955 | α=0.00955 | ||
| 3834.5 | (41/2+) | 703.97 30 | (E2) | 0.00952 | α=0.00952 | ||
| 3887.9+X | (41/2-) | 616.40 32 | E2 | 0.0129 | α=0.0129 | 
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments | 
| 0.0 | 5/2- |  7.6 m 2   % ε = 100  | %α<0.002 from extrapolation of Q(α) vs. T1/2(α) for 161,163,165W. E(level): %α<0.002 from extrapolation of Q(α) vs. T1/2(α) for 161,163,165W. 5/2(512) band; α=13.9, B=-11.  | 
| 0.0+X | (1/2-) | E(level): 1/2(521) band; α=14.0, B=-23, a=0.72. | |
| 85.37 | (7/2)+ | 14 ns 4 | E(level): 7/2(633) band. | 
| 89.74+X | (5/2-) | E(level): 1/2(521) band; α=14.0, B=-23, a=0.72. | |
| 95.23 | (7/2-) | E(level): 5/2(512) band; α=13.9, B=-11. | |
| 127.91 | (9/2+) | E(level): 7/2(633) band. | |
| 200.04 | (11/2+) | E(level): 7/2(633) band. | |
| 216.85 | (9/2-) | E(level): 5/2(512) band; α=13.9, B=-11. | |
| 273.84 | (13/2+) | E(level): 7/2(633) band. | |
| 280.71+X | (9/2-) | E(level): 1/2(521) band; α=14.0, B=-23, a=0.72. | |
| 362.26 | (11/2-) | E(level): 5/2(512) band; α=13.9, B=-11. | |
| 423.95 | (15/2+) | E(level): 7/2(633) band. | |
| 517.87 | (17/2+) | E(level): 7/2(633) band. | |
| 529.34 | (13/2-) | E(level): 5/2(512) band; α=13.9, B=-11. | |
| 555.46+X | (13/2-) | E(level): 1/2(521) band; α=14.0, B=-23, a=0.72. | |
| 715.76 | (15/2-) | E(level): 5/2(512) band; α=13.9, B=-11. | |
| 763.20 | (19/2+) | E(level): 7/2(633) band. | |
| 867.23 | (21/2+) | E(level): 7/2(633) band. | |
| 896.7+X | (17/2-) | E(level): 1/2(521) band; α=14.0, B=-23, a=0.72. | |
| 918.19 | (17/2-) | E(level): 5/2(512) band; α=13.9, B=-11. | |
| 1134.7 | (19/2-) | E(level): 5/2(512) band; α=13.9, B=-11. | |
| 1203.6 | (23/2+) | E(level): 7/2(633) band. | |
| 1292.5+X | (21/2-) | E(level): 1/2(521) band; α=14.0, B=-23, a=0.72. | |
| 1316.3 | (25/2+) | E(level): 7/2(633) band. | |
| 1362.4 | (21/2-) | E(level): 5/2(512) band; α=13.9, B=-11. | |
| E(level) | Jπ(level) | T1/2(level) | Comments | 
| 1600.5 | (23/2-) | E(level): 5/2(512) band; α=13.9, B=-11. | |
| 1727.6 | (27/2+) | E(level): 7/2(633) band. | |
| 1734.6+X | (25/2-) | E(level): 1/2(521) band; α=14.0, B=-23, a=0.72. | |
| 1843.5 | (25/2-) | E(level): 5/2(512) band; α=13.9, B=-11. | |
| 1852.6 | (29/2+) | E(level): 7/2(633) band. | |
| 2099.7 | (27/2-) | E(level): 5/2(512) band; α=13.9, B=-11. | |
| 2213.4+X | (29/2-) | E(level): 1/2(521) band; α=14.0, B=-23, a=0.72. | |
| 2320.8 | (31/2+) | E(level): 7/2(633) band. | |
| 2462.2 | (33/2+) | E(level): 7/2(633) band. | |
| 2643.0 | (31/2-) | E(level): 5/2(512) band; α=13.9, B=-11. | |
| 2719.3+X | (33/2-) | E(level): 1/2(521) band; α=14.0, B=-23, a=0.72. | |
| 2972.1 | (35/2+) | E(level): 7/2(633) band. | |
| 3130.5 | (37/2+) | E(level): 7/2(633) band. | |
| 3271.5+X | (37/2-) | E(level): 1/2(521) band; α=14.0, B=-23, a=0.72. | |
| 3675.1 | (39/2+) | E(level): 7/2(633) band. | |
| 3834.5 | (41/2+) | E(level): 7/2(633) band. | |
| 3887.9+X | (41/2-) | E(level): 1/2(521) band; α=14.0, B=-23, a=0.72. | 
| E(level) | E(gamma) | Comments | 
| 127.91 | 42.49 | E(γ): overlap with Dy x rays affects measurement. | 
| 216.85 | 216.87 | I(γ): includes component from contaminant. | 
| 273.84 | 145.48 | I(γ): see comment with 145.4γ. | 
| 362.26 | 145.40 | I(γ): for 145.4γ and 145.5γ combined. | 
| 517.87 | 243.69 | I(γ): includes component from 174W. | 
| 867.23 | 349.31 | I(γ): includes components from 172W and 174W. | 
| 1203.6 | 440.36 | I(γ): includes component from 23Na. | 
Identification: excitation functions for 165Ho(14N,xn) and 165Ho(16O,xn), presence of γ’s from 173Ta ε decay (1986Sz05); excitation functions for (p,xn) on 181Ta, presence of γ’s from 173Ta ε decay in 9-neutron product (1963Sa14); excitation functions for (3He,xn) on 176Hf (1973CaYH).
Q-value: Note: Current evaluation has used the following Q record -4770 SY7590 SY4310 SY3890 syst 1993Au05