Neutron resonance spectroscopy of 104Pd, 105Pd, and 110Pd

J D. Bowman, Los Alamos National Laboratory
D A. Smith, Los Alamos National Laboratory
Bret E. Crawford, Gettysburg College
T Haseyama, Kyoto University
C A. Grossmann, North Carolina State University
A Masaike, Kyoto University
Y Matsuda, Kyoto University
G E. Mitchell, North Carolina State University
S I. Penttila, Los Alamos National Laboratory
N R. Roberson, Duke University
S J. Seestrom, Los Alamos National Laboratory
E I. Sharapov, Joint Institute for Nuclear Research
Sharon L. Stephenson, Gettysburg College
V W. Yuan, Los Alamos National Laboratory
A M. Sukhovoj, Joint Institute for Nuclear Research

Copyright held by American Physical Society. First published as DA Smith et al, Neutron resonance spectroscopy of 104Pd, 105Pd, and 110Pd, Physical Review C, 65, 024607, doi: 10.1103/PhysRevC.65.024607.


We have measured neutron resonances in the palladium isotopes 104, 105, and 110 for neutron energies from 1 to 2100 eV. Many new p-wave resonances have been observed. Their neutron widths and, in several cases, the radiative widths were measured. The average level spacings and the s-wave and p-wave neutron strength functions were determined. The time-of-flight method was used for both neutron total cross section measurements and total (n,γ) reaction yield measurements at the pulsed spallation neutron source of Los Alamos Neutron Science Center. Well established resonance spectroscopy for these isotopes is essential for the analysis of parity violation data that were recently measured in palladium.