Kaon scattering from C and Ca at 800 MeV/c

D. Marlow, P. D. Barnes, N. J. Colella, S. A. Dytman, R. A. Eisenstein, R. Grace, F. Takeutchi, W. R. Wharton, S. Bart, D. Hancock, R. Hackenberg, E. Hungerford, W. Mayes, L. Pinsky, T. Williams, R. Chrien, H. Palevsky, and R. Sutter
Phys. Rev. C 25, 2619 – Published 1 May 1982
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Abstract

Results from K± elastic and inelastic scattering from C12 and Ca40 are reported. The data were all taken at an incident momentum of 800 MeV/c over an angular range from 2° to 38°. The elastic data are compared to first-order optical model calculations in coordinate and momentum space; good qualitative agreement is obtained. The inelastic data (from C12 only) are compared to distorted-wave Born approximation calculations, and good agreement is found if "realistic" inelastic transition densities are used. Although a first-order optical potential description does not describe the data fully, there are strong indications of the increased penetrability of K+ over K in this energy range.

NUCLEAR REACTIONS C12(K±,K±)C12, Ca40(K±,K±)Ca40, E=442 MeV (800 MeV/c), measured σ(θ) for elastic and inelastic scattering, compared to optical model and DWBA calculations, deduced optical potential parameters; θ=2°38°, Δθ=1°.

  • Received 14 December 1981

DOI:https://doi.org/10.1103/PhysRevC.25.2619

©1982 American Physical Society

Authors & Affiliations

D. Marlow, P. D. Barnes, N. J. Colella*, S. A. Dytman, R. A. Eisenstein, R. Grace, F. Takeutchi, and W. R. Wharton

  • Carnegie-Mellon University, Pittsburgh, Pennsylvania 15213

S. Bart, D. Hancock, R. Hackenberg, E. Hungerford, W. Mayes, L. Pinsky, and T. Williams§

  • University of Houston, Houston, Texas 77004

R. Chrien, H. Palevsky, and R. Sutter

  • Brookhaven National Laboratory, Upton, New York 11973

  • *Present address: Computer Engineering Center, Mellon Institute of Science, Pittsburgh, Pennsylvania, 15213.
  • Present address: Physics Department, MIT, Cambridge, Massachusetts, 02139.
  • Present address: Physics Department, Kyoto Sangyo University, Kyoto 603, Japan.
  • §Present address: Texaco Research Labs, Houston, Texas.

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Vol. 25, Iss. 5 — May 1982

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