The European Spallation Source ERIC (ESS) is a multi-disciplinary research facility based on the world's most powerful pulsed neutron source. It is currently under construction in Lund, Sweden. The ESS Data Management and Software Centre (DMSC) will be located in Copenhagen, Denmark. The 13 European member countries act as partners in the construction and operation of ESS. ESS will start the scientific user program in 2023, and the construction phase will be complete by 2025. ESS is the world's most powerful next-generation neutron source, and will enable scientists to see and understand basic atomic structures and forces at lengths and time scales unachievable at other neutron sources.
The research infrastructure, owned by 13 European nations, is built close to the Max IV Laboratory. The colocation of powerful neutron and X-ray facilities is a productive strategy (e.g. the Institut Laue–Langevin with the European Synchrotron Radiation Facility; the ISIS Neutron and Muon Source with the Diamond Light Source), because much of the knowledge, technical infrastructure, and scientific methods associated with neutron and X-ray technologies are similar.
The construction of the facility began in the summer of 2014 and the first science results produced are planned for 2023. Scientists and engineers from more than 100 partner laboratories are working on updating and optimising the advanced technical design of the ESS facility, and at the same time are exploring how to maximise its research potential. These partner laboratories, universities, and research institutes are also contributing human resources, knowledge, equipment, and financial support through In-Kind Contributions.
ESS will use nuclear spallation, a process in which neutrons are liberated from heavy elements by high energy protons. This is intrinsically a much safer process than uranium fission.
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Seminar for PhD/master-students and postdocs on experimental nuclear materials research and simulation for present and future nuclear systems, with some emphasis on advanced manufacturing and analytic
Spallation is a process in which fragments of material (spall) are ejected from a body due to impact or stress. In the context of impact mechanics it describes ejection of material from a target during impact by a projectile. In planetary physics, spallation describes meteoritic impacts on a planetary surface and the effects of stellar winds and cosmic rays on planetary atmospheres and surfaces. In the context of mining or geology, spallation can refer to pieces of rock breaking off a rock face due to the internal stresses in the rock; it commonly occurs on mine shaft walls.
A subcritical reactor is a nuclear fission reactor concept that produces fission without achieving criticality. Instead of sustaining a chain reaction, a subcritical reactor uses additional neutrons from an outside source. There are two general classes of such devices. One uses neutrons provided by a nuclear fusion machine, a concept known as a fusion–fission hybrid. The other uses neutrons created through spallation of heavy nuclei by charged particles such as protons accelerated by a particle accelerator, a concept known as an accelerator-driven system (ADS) or accelerator-driven sub-critical reactor.
Conducting neutron scattering experiments in the presence of high pulsed magnetic fields, namely above 40 T, provides valuable information about the magnetic structures of materials. However, these experiments are challenging and time-consuming because the ...
EPFL2024
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A key aim of the HighNESS project for the European Spallation Source is to enable cutting-edge particle physics experiments. This volume presents a conceptual design report for the NNBAR experiment. NNBAR would exploit a new cold lower moderator to make th ...
Ios Press2023
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The European Spallation Source, currently under construction in Lund, Sweden, is a multidisciplinary international laboratory. Once completed to full specifications, it will operate the world's most powerful pulsed neutron source. Supported by a 3 million ...