Abstract
Elastic collisions between light nuclei are investigated at medium energies using Glauber theory. It is shown that a phase variation of the nucleon-nucleon elastic scattering amplitude leads to large increases in the calculated differential cross sections, even away from the minima that would occur if there were no phase variation. The relatively small number of minima that occur with no phase variation is explained in terms of the relative lack of strong destructive interference among multiple scattering amplitudes due to their relatively slow decrease with increasing momentum transfer. The introduction of a phase variation leads to even fewer minima. Calculations with no phase variation are in marked disagreement with α He, α He, α H and α H data at 7 GeV/c and α He data at 5.07 and 4.32 GeV/c. The presence of a phase variation leads to a substantial improvement.
- Received 4 March 1986
DOI:https://doi.org/10.1103/PhysRevC.34.608
©1986 American Physical Society
