ADOPTED LEVELS for 224Pa
Authors: Balraj Singh, Sukhjeet Singh | Citation: ENSDF | Cutoff date: 08-Mar-2022
Authors: Sukhjeet Singh, Balraj Singh | Citation: Nucl. Data Sheets 130, 127 (2015) | Cutoff date: 15-Oct-2015
Full ENSDF file | Adopted Levels (PDF version)
| Q(β-)=-1880 keV 17 | S(n)= 6550 keV 80 | S(p)= 2812 keV 11 | Q(α)= 7694 keV 4 | ||
| Reference: 2021WA16 |
| References: | |||
| A | 228Np α decay (61.4 S) | ||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) |
| 0 | A | (5-) | 0.846 s 20 % α = 100 |
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 0 | (5-) | 0.846 s 20 % α = 100 | Measured Eα of the main α transition=7490 10 (1970Bo13); 7489 (1987FuZT); 7488 (1996Li05); 7522 (average of four values, 2003Ni10). E(level): Measured Eα of the main α transition=7490 10 (1970Bo13); 7489 (1987FuZT); 7488 (1996Li05); 7522 (average of four values, 2003Ni10). |
1958To25: 224Pa produced and identified in E=170 MeV pulsed proton bombardment of Thorium, measured Eα. Later half-life and α decay studies: 1970Bo13, 1996Li05, 1997Wi15, 2003Ni10
Theoretical calculations: 18 references extracted from the NSR database are listed in document records.
Q-value: S(2n)=14340 90 (syst), S(2p)=7337 9, Q(ε)=3867 12 (2021Wa16)