Results 171 to 180 of about 20,226 (218)
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Spallation neutron source moderator design
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 1998Abstract This paper describes various aspects of the Spallation Neutron Source (SNS) moderator design. Included are the effects of varying the moderator location, interaction effects between moderators, and the impact on neutron output when various reflector materials are used. Also included is a study of the neutron output from composite moderators,
L.A. Charlton +3 more
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Neutronics of pulsed spallation neutron sources
Reports on Progress in Physics, 2003Various topics and issues on the neutronics of pulsed spallation neutron sources, mainly for neutron scattering experiments, are reviewed to give a wide circle of readers a better understanding of these sources in order to achieve a high neutronic performance.
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Option for spallation neutron sources
Journal of Fusion Energy, 1989Spallation reactions are a very important option for efficient neutron sources appropriate for fusion materials testing. An “option of this option” is the EURAC concept, which makes use of short-term accelerator technology in the cheapest way and is proved to provide the needed neutron flux to verify fast experiments on fusion materials performance ...
J. M. Perlado, M. Piera, J. Sanz
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Neutron Scattering with Spallation Sources
Physics Today, 1985The other articles in this issue are concerned with the variety of science that goes on at reactor-based neutron sources. Such sources, based on nuclear fission, have been available since 1942. It has been known since the 1930s that neutrons could be produced through spallation by sending a charged beam of accelerated protons or electrons into a target.
Gerard H. Lander, David L. Price
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The macromolecular neutron diffractometer at the spallation neutron source
2020The Macromolecular Neutron Diffractometer known as MaNDi is located on beamline 11B of the Spallation Neutron Source at Oak Ridge National Laboratory. Neutrons are produced in discrete pulses at the Spallation Neutron Source, which enables Laue diffraction data through measuring the time-of-flight and thus wavelength of each diffracted neutron.
Leighton, Coates, Brendan, Sullivan
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rf improvements for Spallation Neutron Source H− ion source
Review of Scientific Instruments, 2010The Spallation Neutron Source at Oak Ridge National Laboratory is ramping up the accelerated proton beam power to 1.4 MW and just reached 1 MW. The rf-driven multicusp ion source that originates from the Lawrence Berkeley National Laboratory has been delivering ∼38 mA H− beam in the linac at 60 Hz, 0.9 ms.
Y W, Kang +9 more
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Neutron spallation sources in Europe
Nuclear Physics B - Proceedings Supplements, 1996After a brief general and historical discussion, the main design features of spallation sources are described. At the present time, Europe not only has the world-leading pulsed neutron spallation source, the SNS-ISIS at RAL, UK, but it is on the point of commissioning a world-leading continuous cyclotron-driven source, the SINQ at PSI, Switzerland ...
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Spallation neutron source takes shape
Neutron News, 2000Abstract Spring in Washington is a time for cherry blossoms, budgets, and neutrons! Over 200 participants attended the Second Users Meeting for the Spallation Neutron Source (SNS) from May 22–24, 2000 at the Renaissance Hotel in Washington, D.C. Neutron scatterers heard the latest news on the design and construction of SNS, as well as the anticipated ...
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The spallation-neutron-source project SINQ
Physica B+C, 1986SINQ is a continuous spallation-neutron source which is planned to be attached to the existing proton cyclotron at the Swiss Institute for Nuclear Research (SIN) after its upgrading to higher currents. The neutron-flux characteristics will be similar to those of a medium-flux reactor, but particular advantages are expected in the cold neutron region ...
F. Atchison +5 more
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Neutronic Design Studies for the Spallation Neutron Source
Nuclear Technology, 2000Neutronics analyses are now in progress to support initial selection of target system design features, materials, geometry, and component sizes for the proposed Spallation Neutron Source. Calculations have been performed to determine the neutron, proton, heavy-ion, and gamma-ray flux spectra as a function of time, energy, and space for the major ...
Lowell A. Charlton +3 more
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