Comparison of Transfer-to-Continuum and Eikonal Models of Projectile Fragmentation Reactions

Details Comparison of Transfer-to-Continuum and Eikonal Models of Projectile Fragmentation Reactions Comparison of Transfer-to-Continuum and Eikonal Models of Projectile Fragmentation Reactions

2000-11-17

arxiv.org/abs/nucl-th/0011062v1

Phys.Rev. C63 (2001) 044604

Physics

Nuclear Physics

Nuclear Theory

21 pages, latex file including 3 tables. 5 figures. Submitted to Phys. Rev. C

Scientific paper

10.1103/PhysRevC.63.044604

Spectroscopic properties of nuclei are accessible with projectile fragmentation reactions, but approximations made in the reaction theory can limit the accuracy of the determinations. We examine here two models that have rather different approximations for the nucleon wave function, the target interaction, and the treatment of the finite duration of the reaction. The nucleon-target interaction is treated differently in the eikonal and the transfer-to-continuum model, but the differences are more significant for light targets. We propose a new parameterization with that in mind. We also propose a new formula to calculate the amplitude that combines the better treatment of the wave function in the eikonal model with the better treatment of the target interaction in the transfer-to-continuum model.

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