Airy minima in 4He + 28Si elastic and inelastic scattering

被引：3

作者：

Berezhnoy, Yu A. ^{[1
]}

Molev, A. S. ^{[1
,2
]}

机构：

[1] Kharkov Natl Univ, UA-61022 Kharkov, Ukraine

[2] Inst Electrophys & Radiat Technol, UA-61002 Kharkov, Ukraine

来源：

MODERN PHYSICS LETTERS A | 2020年 / 35卷 / 19期

关键词：

He-4 + Si-28 system; S-matrix model; elastic and inelastic scattering; Airy minimum; nuclear rainbow; PARTICLE ELASTIC-SCATTERING; ALPHA-SCATTERING; NUCLEAR RAINBOW; O-16; STRENGTH; SI-28; MG-24; C-12;

D O I：

10.1142/S021773232050159X

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present the results of the S-matrix description of the He-4 + Si-28 elastic and inelastic scattering differential cross-sections between 40 and 240 MeV with allocation of Airy minima of various orders. The first-order Airy minima have been unambiguously identified in the differential cross-sections for elastic scattering and inelastic scattering to the first 2(+) state of Si-28 at energies E = 40-166 MeV, and the second-order Airy minima - at E = 40-58 MeV. The angular positions of these minima obey an inverse dependence on energy. The intensities of nuclear refraction and absorption also obey the same energy dependence.

引用

页数：10

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