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COULOMB-MODIFIED EIKONAL PHASE SHIFT ANALYSIS BASED ON HYPERBOLIC TRAJECTORY FOR ¹²C + ¹²C ELASTIC SCATTERINGS

YONG JOO KIM

Department of Physics, Cheju National University, Jeju 690-756, Republic of Korea

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and

MOON HOE CHA

Department of Physics, Kangwon National University, Chunchon 200-701, Republic of Korea

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https://doi.org/10.1142/S0218301304002296Cited by:2 (Source: Crossref)

Abstract

We present a Coulomb-modified eikonal model formalism based on hyperbolic trajectory for heavy-ion elastic scattering. This formalism has been applied satisfactorily to elastic scatterings of the ¹²C + ¹²C system at E_lab=240, 360 and 1016 MeV. The presence of a nuclear rainbow in this system is evidenced through a classical deflection function. The Fraunhöfer oscillations observed in the elastic angular distributions can be explained due to interference between the near- and far-side amplitudes. We have found that the hyperbolic trajectory effect on the eikonal model is important when the absorptive potential is weak and the real potential is strong.

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