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APS » Journals » Phys. Rev. Lett. » Volume 50 » Issue 21
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Phys. Rev. Lett. 50, 1644–1647 (1983)

Dirac-Equation Impulse Approximation for Intermediate-Energy Nucleon- Nucleus Scattering

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B. C. Clark and S. Hama
Department of Physics, The Ohio State University, Columbus, Ohio 43210

R. L. Mercer
Thomas Watson Research Laboratories, IBM Corporation, Yorktown Heights, New York 10598

L. Ray
Department of Physics, University of Texas, Austin, Texas 78712

B. D. Serot
Institute of Theoretical Physics, Department of Physics, Stanford University, Stanford, California 94305

Received 16 March 1983; published in the issue dated 23 May 1983

In this application of Dirac phenomenology a relativistic impulse approximation is used to describe proton-nucleus elastic scattering at intermediate energies. The results demonstrate the superiority of this relativistic treatment over the nonrelativistic impulse approximation, especially with regard to spin observables. The method has important implications with respect to the extraction of neutron distributions.

© 1983 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.50.1644
DOI:
10.1103/PhysRevLett.50.1644
PACS:
24.10.-i, 25.40.Cm
 
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