4 He + 4 He elastic scattering at 280 and 620 MeV
2000; American Institute of Physics; Volume: 62; Issue: 1 Linguagem: Inglês
10.1103/physrevc.62.014607
ISSN1538-4497
AutoresK. A. G. Rao, A. Nadasen, Daniel R. Sisan, W. M. Yuhasz, D. Mercer, Sam M. Austin, P. G. Roos, R. E. Warner,
Tópico(s)High-pressure geophysics and materials
ResumoDifferential cross sections for the elastic scattering of ${}^{4}\mathrm{He}$ from ${}^{4}\mathrm{He}$ have been measured at 280 and 620 MeV. The data exhibit systematic energy dependence when compared with measurements at lower energies. Optical model analysis indicates that the Woods-Saxon potential fails to reproduce the large angle data. Satisfactory fits are obtained by adding a Woods-Saxon squared form factor to the real central potential.
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