ADOPTED LEVELS for 189W
Authors: T.D. Johnson, Balraj Singh | Citation: Nucl. Data Sheets 142, 1 (2017) | Cutoff date: 15-Apr-2017
Full ENSDF file | Adopted Levels (PDF version)
Q(β-)=2340 keV 40 | S(n)= 5020 keV 40 | S(p)= 9290 keV 70 | Q(α)= 280 keV 80 | ||
Reference: 2017WA10 |
E(level) (keV) | T1/2(level) |
0 | 11.6 m 2 % β- = 100 |
Additional Level Data and Comments:
E(level) | Jπ(level) | T1/2(level) | Comments |
1963Fl07: 189W produced and identified in 192O(n,α), E=14 MeV reaction followed by chemical separation and measurement of β radiation and half-life. Later measurements: 1965Ka07, 1997Ya03, 1997Mi27. 2002Mi40 and 2009Yu11
Q-value: S(2n)=11860 40, S(2p)=17380 300 (syst) (2017Wa10)
Q-value: Other: Q(β-)=2443 41 from measured mass excess(189Re)=-38063 10 (2013Sh30) and mass excess(189W)=-350620 40 (2017Wa10)