Tungsten Fragmentation in Nuclear Reactions Induced by High-Energy Cosmic-Ray Protons

被引：3

作者：

Chechenin, N. G. ^{[1
]}

Chuvilskaya, T. V. ^{[1
]}

Shirokova, A. A. ^{[1
]}

Kadmenskii, A. G. ^{[1
]}

机构：

[1] Moscow MV Lomonosov State Univ, Skobeltsyn Inst Nucl Phys, Moscow 119991, Russia

来源：

PHYSICS OF ATOMIC NUCLEI | 2015年 / 78卷 / 01期

关键词：

SPECTRA;

D O I：

10.1134/S1063778814120060

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

Tungsten fragmentation arising in nuclear reactions induced by cosmic-ray protons in space-vehicle electronics is considered. In modern technologies of integrated circuits featuring a three-dimensional layered architecture, tungsten is frequently used as a material for interlayer conducting connections. Within the preequilibrium model, tungsten-fragmentation features, including the cross sections for the elastic and inelastic scattering of protons of energy between 30 and 240 MeV; the yields of isotopes and isobars; their energy, charge, and mass distributions; and recoil energy spectra, are calculated on the basis of the TALYS and EMPIRE-II-19 codes. It is shown that tungsten fragmentation affects substantially forecasts of failures of space-vehicle electronics.

引用

页码：159 / 166

页数：8

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