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Showing 1 to 14 of 14 for “"Spallation Neutron Source"”.
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Dose coefficients for radionuclides produced in a spallation neutron source
… U.S. Department of Energy complex, including the Spallation Neutron Source (SNS) and Accelerator Production of Tritium (APT) Projects.
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Monte Carlo calculation and analysis of neutron and gamma fields at spallation neutron sources for simulating cosmic radiation
The research of the neutron induced Single Event Effect (SEE) at aircraft altitudes or at ground level are very important since the neutron radiation is able to cause serious errors or damages on electronic components and system. TheWeapons Neutron Research (WNR) facility at Los Alamos Neutron …
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Measurement of parity violation in thermal neutron capture on a proton
… emission of gamma rays from the capture of cold neutrons on protons. The asymmetry can be related in a straightforward way to effective couplings within an appropriate NN weak interaction theory, such as chiral perturbation based effective field theories.</p><p>Since this is a measurement within …
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Effect of Chemistry on the Transformation of Austenite to Martensite for Intercritically Austempered Ductile Iron
… and/or manganese) were examined using in-situ neutron diffraction under strain-controlled loading at VULCAN at the Spallation Neutron Source at Oak Ridge National Laboratory (ORNL). Both diffraction and tensile data were collected and synced using the VDRIVE software (a proprietary ORNL …
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An Improved Flexible Neutron Detector For Powder Diffraction Experiments
… to the construction of the next generation of spallation sources for neutron scattering. Neutron powder diffraction instruments will be an important element of these facilities and the incorporation of detectors into these instruments with a high neutron capture efficiency is desirable. A new …
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Measurement of wall relaxation times of polarized 3He in bulk liquid 4He for the Neutron Electric Dipole Moment experiment
The Neutron Electric Dipole Moment (nEDM) experiment that will take place at the Spallation Neutron Source (SNS) in Oak Ridge, Tennessee will measure the electric dipole moment (EDM) of the neutron with a precision of order 10-28 e-cm, utilizing spinpolarized 3He in bulk liquid 4He to detect …
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Calibration of the COHERENT Neutrino Flux Normalization Detector
… first to measure CEνNS, using neutrinos from the Spallation Neutron Source (SNS). The direct measurement of the SNS neutrino flux is vital for the precision of CEνNS measurements. This work introduces the latest addition to the COHERENT's armory –a D2O detector specifically designed to measure the …
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Silicon detector testing for neutron beta decay experiment nab
… and interactions in the universe. The rate of neutron beta decay in the decay of free neutrons is sensitive to beyond the standard model physics where the types of interactions are constrained by the Lorentz invariance of bi-linear covariants. Precision measurements of decay correlation …
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Studies of the Electron Neutrino Charged-current Interaction on $^{127}$I
… deployed by the COHERENT collaboration at the Spallation Neutron Source. To study electron neutrino charged-current interaction detection efficiencies, simulations were performed. To explore new approaches of steady state background rejection, a convolutional neural network (CNN) classifier and …
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Studies of Structural and Chemical Ordering in Metallic Liquids and Glasses Using Electrostatic Levitation
… from of a new ESL facility for complimentary neutron diffraction studies for use at the Spallation Neutron Source are also described.</p>
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Transport of 3He for the nEDM experiment at the SNS
The neutron electric dipole moment (nEDM) experiment at the Spallation Neutron Source (SNS) will measure the electric dipole moment (EDM) of the neutron with a precision of 5.4\times10^{-28}\,\mathrm{e\cdot cm}. This experiment utilizes polarized 3He in superfluid 4He to detect neutron precession …
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Neutron electric dipole moment and dressed spin
The neutron electric dipole moment (EDM) experiment has played a unique role in examining the violation of fundamental symmetries and understanding the nature of electroweak and strong interaction. A non-zero neutron EDM is one of direct evidence for CP and T violation and has the potential to …
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An Integrated End-User Data Service for HPC Centers
… such as the Large Hadron Collider (LHC) or the Spallation Neutron Source (SNS). These growing datasets are often processed by a geographically dispersed user base across multiple different HPC installations. Moreover, end-user workflows are also increasingly distributed in nature with massive …