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Beyond the eikonal model for few-body systems

AlKhalili, JS, Tostevin, JA and Brooke, JM (1997) Beyond the eikonal model for few-body systems PHYS REV C, 55 (3). R1018 - R1022. ISSN 0556-2813

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Abstract

A physical prescription to improve the accuracy of few-body Glauber model calculations of reactions involving loosely bound projectiles is presented in which the eikonal phase shift function of each projectile constituent is modified to account for curvature of its trajectory. Noneikonal effects due to both nuclear and Coulomb interactions are treated on an equal footing. The proposed method is assessed quantitatively by comparison with full quantum mechanical calculations in the case of 11Be+12C elastic scattering, treated as a three-body 10Be+n+target problem, at energies of 25 and 49.3 MeV/nucleon. Calculated cross-section angular distributions which include the noneikonal modifications are shown to be accurate to larger scattering angles, and for lower incident projectile energies.

Item Type: Article
Uncontrolled Keywords: ELASTIC-SCATTERING, LI-11, CHANNELS, ENERGY
Divisions: Faculty of Engineering and Physical Sciences > Physics
Depositing User: Symplectic Elements
Date Deposited: 02 Nov 2011 11:33
Last Modified: 23 Sep 2013 18:48
URI: http://epubs.surrey.ac.uk/id/eprint/7487

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