The parity-violating longitudinal asymmetry of the neutron scattering cross section has been measured for thorium in the off-resonance energy intervals from 30 to 300 eV. The observed result of (0.5±1.6)×10-6 is compared with theoretical predictions.
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Bowman, J. D., Crawford, B. E., Delheij, P. P.J., Frankle, C. M., IInuma, M., Knudsen, J. N., Lowie, L. Y., Masaike, A., Matsuda, Y., Penttila, S. I., Postma, H., Roberson, N. R., Seestrom, S .J., Sharapov, E. I., Stephenson, S., Yen, Y-F., & Yuan, V. W. (2000) New search for parity violation in nonresonant neutron scattering on thorium. Physical Review C, 61(045503). http://dx.doi.org/10.1103/PhysRevC.61.045503
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Copyright held by American Physical Society. First published as GE Mitchell et al, New search for parity violation in nonresonant neutron scattering on thorium, Physical Review C, 61, 045503, doi: 10.1103/PhysRevC.61.045503.