ADOPTED LEVELS for 89As
Author: Balraj Singh | Citation: ENSDF | Cutoff date: 30-Nov-2021
Author: Balraj Singh | Citation: Nucl. Data Sheets 114, 1 (2013) | Cutoff date: 20-Oct-2012
Full ENSDF file | Adopted Levels (PDF version)
| Q(β-)=12460 keV SY | S(n)= 4150 keV SY | S(p)= 14300 keV SY | Q(α)= -9210 keV SY | ||
| Reference: 2021WA16 |
| E(level) (keV) | T1/2(level) |
| 0 | % β- = 100 % β-n = ? % β-2n = ? |
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 0 | % β- = 100 % β-n = ? % β-2n = ? | Theoretical T1/2=65.9 ms, %β-n=61.8, %β-2n=0.2 (2016Ma12). |
1994Be24, 1997Be12: 89As identified in Pb(238U,F),E=750 MeV/nucleon reaction from measured fission fragment yields with a fragment separator (FRS) at GSI using time-of-flight technique.
Mass measurement: 2008Ha23
Theoretical calculations: consult NSR database at www.nndc.bnl.gov/nsr/ or additional document records in this dataset for three primary references for half-life and β-n decay mode of 89As.
Q-value: Estimated uncertainties (2021Wa16): 300 for Q(β-), 360 for S(n), 500 for S(p), 300 for Q(α).
Q-value: Q(β-n)=9280 300, S(2n)=7060 300, S(2p)=32240 580 (syst, 2021Wa16). Q(β-2n)=3750 300 (syst), Q(β-3n)=-240 300 (syst) deduced by evaluator from mass excesses in 2021Wa16.