Spin-Rotation Parameters and Phase-Shift Ambiguities inπ−NScattering
- 25 March 1967
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 155 (5) , 1744-1749
- https://doi.org/10.1103/physrev.155.1744
Abstract
It is shown that there are three phase-shift ambiguities that can occur when not all possible observables are available for the phase-shift analysis at a given energy in spin-0-spin-½ scattering. Two of the ambiguities, change of sign of the phases and exchange of opposite-parity phases, have been recognized for some time. The third ambiguity, which is the combination of the first two, can be resolved only by measurement of the spin-rotation parameter.Keywords
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