ADOPTED LEVELS for 68Kr
Author: Balraj Singh | Citation: ENSDF | Cutoff date: 18-March-2022
Full ENSDF file | Adopted Levels (PDF version)
| S(n)= 18150 keV SY | S(p)= 390 keV SY | Q(α)= -1130 keV SY | |||
| Reference: 2021WA16 |
| E(level) (keV) | Jπ(level) | T1/2(level) |
| 0 | 0+ | 21.6 ms 33 % ε = 100 % εp = 89 11 |
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 0 | 0+ | 21.6 ms 33 % ε = 100 % εp = 89 11 | α total of 479 events were assigned in 2016Bl05 (also 2020Gi02) to 68Kr. E(level): α total of 479 events were assigned in 2016Bl05 (also 2020Gi02) to 68Kr. |
2016Bl05, 2020Gi02 (also 2017GoZT): 68Kr produced and identified at RIBF-RIKEN facility in 9Be(78Kr,X) reaction at E=345 MeV/nucleon with beam intensity of up to 250 pnA. Identification of 68Kr was made by determining atomic Z and mass-to-charge ratio α/Q, where Q=charge state of the ions. The selectivity of ions was based on magnetic rigidity, time-of-flight and energy loss using BigRIPS separator and zero degree spectrometer ZDS. The separated nuclei were implanted in a wide range silicon-strip stopper array for ion and β particle detection WAS3ABi, consisting of three highly-segmented 1 mm thick double-sided silicon detectors, a stack of ten segmented 1 mm thick single-sided silicon strip detectors. The γ rays were detected by EURICA array of 84 HPGe detectors surrounding the WAS3ABi system. α total of 348 nuclei of 68Kr were identified at the BigRIPS spectrometer, 82 at the Zero-Degree Spectrometer (ZDS), and finally 36 implanted at the WAS3ABi detection system. 2019Go34 also mentions production of 68Kr.
Theoretical structure calculations: 12 primary references retrieved from the NSR database are listed in document records in this dataset.
Q-value: Estimated uncertainties (2021Wa16): 660 for S(n), 580 for S(p), 660 for Q(α) (2021Wa16)
Q-value: Q(ε)=13170 560, Q(εp)=13670 510, S(2p)=-1460 540 (syst, 2021Wa16). S(2n)=33110 (theory,2019Mo01)