Parity Violating Asymmetries in the Neutron Resonances of Palladium
Abstract
Parity-violating (PV) asymmetries were observed in the isotopes of palladium at the MLNSC in Los Alamos. The PV asymmetries in the neutron resonances were observed using neutron transmission on ^natPd, and a longitudinally polarized neutron beam, where energies were determined from 1 eV to 1 keV using the time of flight method. Studies of neutron resonance spectroscopy were also performed using the (n,γ) reaction, where isotopic targets of 104, 105, 106, 108, and 110 palladium were used for identification of the various neutron resonances. PV effects were statistically evident, in p-wave neutron resonances, in each of the isotopes of palladium. From these PV effects, and the neutron spectroscopy, a likelihood analysis was performed to determine the weak mixing matrix element in each isotope. The analysis of the weak mixing matrix elements (M) in comparison to other determinations of M will be discussed. Supported in part by DOE grants No. DE-FG02-97ER41042 and DE-FG02-97ER41033, and Contract No. W-7405-ENG-36.
- Publication:
-
APS Division of Nuclear Physics Meeting Abstracts
- Pub Date:
- October 1997
- Bibcode:
- 1997APS..DNP..HC08S