ADOPTED LEVELS for 127Pd
Author: Balraj Singh | Citation: ENSDF | Cutoff date: 31-JUL-2015
Full ENSDF file | Adopted Levels (PDF version)
Q(β-)=11140 keV SY | S(n)= 3500 keV SY | S(p)= 16970 keV SY | Q(α)= -12500 keV SY | ||
Reference: 2012WA38 |
E(level) (keV) | T1/2(level) |
0 | 38 ms 2 % β- = 100 % β-n = ? % β-2n = ? |
Additional Level Data and Comments:
E(level) | Jπ(level) | T1/2(level) | Comments |
0 | 38 ms 2 % β- = 100 % β-n = ? % β-2n = ? | Measured σ=80 pb (2010Oh02), systematic uncertainty ≈40%. Probability of misidentification of 127Pd isotope<0.001%. |
2010Oh02: 127Pd nuclide identified in Be(238U,F) and Pb(238U,F) reactions with a 238U86+ beam energy of 345 MeV/nucleon produced by the cascade operation of the RBIF accelerator complex of the linear accelerator RILAC and four cyclotrons RRC, fRC, IRC and SRC. Identification of 127Pd nuclei was made on the basis of magnetic rigidity, time-of-flight and energy loss of the fragments using BigRIPS fragment separator. Experiments performed at RIKEN facility. Based on α/Q spectrum and Z versus α/Q plot, 70 counts in one setting and one count in another setting was assigned to 127Pd isotope, Q=charge state
2015Lo04: 127Pd nuclide produced at RIBF-RIKEN facility in 9Be(238U,F) reaction at E=345 MeV/nucleon with an average intensity of 6×1010 ions/s. Identification of 127Pd 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. The separated nuclei were implanted at a rate of 50 ions/s in a stack of eight double-sided silicon-strip detector (WAS3ABi), surrounded by EURICA array of 84 HPGe detectors. Correlations were recorded between the implanted ions and β rays. The half-life of 127Pd isotope was measured from the correlated ion-β decay curves and maximum likelihood analysis technique as described in 2014Xu07. Comparison of measured half-lives with FRDM+QRPA, KTUY+GT2 and DF3+CQRPA theoretical calculations
2013Fa08, 2013Zh05: calculated Q values, half-life, %β-n
Q-value: Estimated uncertainties (2012Wa38): ΔQ-=540, ΔS(n)=ΔS(p)=ΔQ(α)=710
Q-value: Q(β-), S(n) and Q(α) from 2012Wa38; s(p) from 1997Mo25
Q-value: S(2n)=9360 640, Q(β-n)=5270 540 (syst, 2012Wa38). S(2p)=32400 (theory, 1997Mo25)