Abstract
The Nuclear Physics oriented pillar of the pan-European Extreme Light Infrastructure (ELI-NP) will host an ultra-bright, energy tunable, and quasi-monochromatic gamma-ray beam system in the range of 0.2–19.5 MeV produced by laser Compton backscattering. This gamma beam satisfies the criteria for large-size product investigations with added capabilities like isotope detection through the use of nuclear resonance fluorescence (NRF) and is ideal for non-destructive testing applications. Two major applications of gamma beams are being envisaged at ELI-NP: industrial applications based on NRF and industrial radiography and tomography. Both applications exploit the unique characteristics of the gamma beam to deliver new opportunities for the industry. Here, we present the experimental setups proposed at ELI-NP and discuss their performance based on analytical calculations and GEANT4 numerical simulations. One of the main advantages of using the gamma beam at ELI-NP for applications based on NRF is the availability of an advanced detector array, which can enhance the advantages already provided by the high quality of the gamma beam.
Highlights
The nuclear physics oriented pillar of the pan-European Extreme Light Infrastructure (ELI-NP) will comprise two major research instruments: a high-power laser system and a very brilliant gamma beam system.[1,2,3,4] The gamma beam system (GBS) was designed to deliver a very intense and brilliant gamma beam produced by the inverse ComptonThis is an Open Access article published by World Scientific Publishing Company
Industrial tomography, nuclear waste management, and medical applications can take advantage of the unique features of the gamma beam system to deliver new opportunities for industry and medical research. By using this gamma source, it will be possible to detect and/or measure nuclides in an object non-destructively, which is a key technology for nuclear industrial applications such as management of radioactive wastes, nuclear material accounting, and safeguards
We present the analytical model developed for the pencil-beam tomography setup used to estimate the resolution and counting rates in the detector as well as the optimal parameters to be used in the simulation/measurement.[24]
Summary
The nuclear physics oriented pillar of the pan-European Extreme Light Infrastructure (ELI-NP) will comprise two major research instruments: a high-power laser system and a very brilliant gamma beam system.[1,2,3,4] The gamma beam system (GBS) was designed to deliver a very intense and brilliant gamma beam produced by the inverse Compton This is an Open Access article published by World Scientific Publishing Company. The small beam width allows high resolution imaging for in-depth large-object investigations useful in bonding in aeronautics, welding and machining accuracy in the automotive industry, and in construction.[3,6] A tunable-energy gamma beam is very useful for adapting the energy range with the scanned object composition to correctly reveal the distribution of differently attenuating materials like plastic, ceramic, and/or metal parts Based on this feature, the dual/multi-energy technique could be applied for scanning an object at different energies and obtaining information about its component materials. The simulation study for industrial applications in radiography and tomography will be presented
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