Abstract
The paper represents an overview of the measurements performed using GAINS at GELINA (JRC-Geel, Belgium). While undergoing continuous upgrades, the setup produced highly precise cross sections. Our measurements are primarily driven by technological needs with an emphasis on structural materials used in the development of nuclear facilities. However, most cases offered the opportunity to investigate various reaction mechanism and/or nuclear structure issues. We concentrate on several specific experiments describing the particular difficulties we met and the solutions we adopted to infer reliable data and to draw significant conclusions.
Highlights
Despite the fact that the components of the atomic nucleus were discovered almost a century ago, a complete understanding of the nuclear structure still eludes the possibilities of the modern science
The field of nuclear data represents nowadays a quest for reliability and precision. In this context we developed the GAINS (Gamma Array for Inelastic Neutron Scattering) setup [1] at the GELINA [2] (Geel Linear Accelerator) neutron source with the definite goal of measuring neutron inelastic cross
A recent measurement offered the opportunity of a second reliability test: the target used for the 16O measurement consisted of a quartz (SiO2) plate, allowing the measurement of the γ-production cross sections on 28Si and their comparison with the results published in 2013 using a metallic sample
Summary
Despite the fact that the components of the atomic nucleus were discovered almost a century ago, a complete understanding of the nuclear structure still eludes the possibilities of the modern science. It was able to develop a significant number of applications with considerable impact on the society: energy production, medicine, safety and security, industrial imaging, etc Most of these applications are possible not necessarily due to a detailed understanding of the nuclear structure but rather due to the important amount of very precise experimental information gathered during the years: this is what we call nuclear data. Along the timeline displayed, the experimental program developed in parallel as the setup was continuously exploited both for producing neutron data and for educational purposes, several PhD students and postdocs being trained during these years at GAINS A recent measurement offered the opportunity of a second reliability test: the target used for the 16O measurement consisted of a quartz (SiO2) plate, allowing the measurement of the γ-production cross sections on 28Si and their comparison with the results published in 2013 using a metallic sample. All details are given in the corresponding reference and up to this date our group did not encountered any issue regarding the results published in 2014
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