ADOPTED LEVELS, GAMMAS for 144Xe
Author: A.A. Sonzogni | Citation: Nucl. Data Sheets 93, 599 (2001) | Cutoff date: 1-Dec-2000
Full ENSDF file | Adopted Levels (PDF version)
| Q(β-)=6.40×103 keV 3 | S(n)= 4741 keV 7 | S(p)= 1.35×104 keV SY | Q(α)= -2.94×103 keV 3 | ||
| Reference: 2012WA38 |
| References: | |||
| A | 248Cm SF decay | ||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | Final Levels | |
| 0.0 | A | 0+ | 1.15 s 20 % β- = 100 | ||||
| 252.6 | A | (2+) | 252.6 | 100 | 0.0 | 0+ | |
| 644.3 | A | (4+) | 391.7 | 100 | 252.6 | (2+) | |
| 1132.2 | A | (6+) | 487.9 | 100 | 644.3 | (4+) | |
| 1688.0 | A | (8+) | 555.8 | 100 | 1132.2 | (6+) | |
| 2302.7 | A | (10+) | 614.7 | 100 | 1688.0 | (8+) | |
Jπ(level): From g.s. band systematics
| E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | Final Levels | ||
| Band 1 - GS band | |||||||
| 0.0 | 0+ | 1.15 s 20 % β- = 100 | |||||
| 252.6 | (2+) | 252.6 | 100 | 0.0 | 0+ | ||
| 644.3 | (4+) | 391.7 | 100 | 252.6 | (2+) | ||
| 1132.2 | (6+) | 487.9 | 100 | 644.3 | (4+) | ||
| 1688.0 | (8+) | 555.8 | 100 | 1132.2 | (6+) | ||
| 2302.7 | (10+) | 614.7 | 100 | 1688.0 | (8+) | ||
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 0.0 | 0+ | 1.15 s 20 % β- = 100 | E(level): GS band. |
| 252.6 | (2+) | E(level): GS band. | |
| 644.3 | (4+) | E(level): GS band. | |
| 1132.2 | (6+) | E(level): GS band. | |
| 1688.0 | (8+) | E(level): GS band. | |
| 2302.7 | (10+) | E(level): GS band. |
Identification through genetic means; observed 144Ce activity in the decay of 235U(n,F) E=th (1976Ah01)
Measured isotope shift: 1989Bo03
Theory: 1995Ba45, 1994Ma02, 1992Na07, 1988So08
Q-value: Note: Current evaluation has used the following Q record 5778 syst 4960 syst 12729 syst -2863 syst 1995Au04
Q-value: ΔQ(β-)=318 keV
Q-value: ΔS(n)=388 keV
Q-value: ΔS(p)=511 keV
Q-value: ΔQ(α)=594 keV