학술논문
Unified model-independent S-matrix description of nuclear rainbow, prerainbow, and anomalous large-angle scattering in 4 He-40 Ca elastic scattering.
Document Type
Article
Author
Source
Subject
*HELIUM
*S-matrix theory
*CALCIUM
*SCATTERING (Physics)
*ELASTIC scattering
*NUCLEAR cross sections
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Language
ISSN
0556-2813
Abstract
Using the evolutionary model-independent S-matrix approach, we show that a simultaneous correct description of the pictures of nuclear rainbow, prerainbow, and anomalous large-angle scattering (ALAS) in the 4He-40Ca elastic scattering can be achieved with help of the S-matrix moduli and the real nuclear phases exhibiting smooth monotonic dependencies on angular momentum, while the quantum deflection functions have a form characteristic of the nuclear rainbow case. The special role of the surface partial waves in the formation of ALAS is revealed. [ABSTRACT FROM AUTHOR]