2003•Journal of Applied PhysicsRequires access

Elastic scattering in the iodine–carbon system near the Coulomb barrier

P. Pusa, E. Raühala, Timo Alanko, J. Räisn̈en

Abstract

Elastic scattering cross sections for the I127+C system at non-Rutherford scattering energies have been investigated. Recoil elastic scattering for the reaction C(127I,C)127I was measured at I127 beam energies of 470, 500, and 530 MeV in the laboratory frame of reference. Angular distributions of recoiling carbon were determined at laboratory scattering angles covering a region from 20° to 75°. The cross sections are presented for the recoil C(127I,C)127I and I127(12C, 12C)127I scattering geometries and were modeled by using the optical model (OM) theory. The OM enables interpolation between data points in the energy-angular plane. Non-Rutherford scattering cross section angular and energy limits are examined for practical elastic recoil detection analysis and Rutherford backscattering.

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Key concepts: Rutherford scattering, Elastic scattering, Scattering, Atomic physics, Recoil, Elastic recoil detection, Inelastic scattering, Mott scattering