Search Results - "Dawidowski, J."
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1
Porosity effects on the neutron total cross section of graphite
Published in Journal of nuclear materials (31-01-2010)“…For subthermal neutron energies, polycrystalline graphite shows a larger total cross section than predicted by existing theoretical models. In order to…”
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2
Structure factor determination of deuterated 1- and 2-propanol using diffraction experiments with polarization analysis
Published in Philosophical magazine (Abingdon, England) (23-03-2016)“…We present the experimental structure factors of deuterated 1- and 2-propanol as determined at the Spin Polarized Hot Neutron Beam Facility (D3) of the…”
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3
Generation of thermal scattering libraries for liquids beyond the Gaussian approximation using molecular dynamics and NJOY/LEAPR
Published in Annals of nuclear energy (01-06-2016)“…•We review the existing methodologies for TSL evaluation in liquids.•We modify the diffusion model implemented in NJOY/LEAPR to include jump diffusion.•The…”
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4
Calibration and absolute normalization procedure of a new Deep Inelastic Neutron Scattering spectrometer
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-08-2011)“…We describe the calibration process of a new Deep Inelastic Neutron Scattering (DINS) spectrometer, recently implemented at the Bariloche Electron LINAC…”
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Effective temperatures and scattering cross sections in water mixtures determined by Deep Inelastic Neutron Scattering
Published in Annals of nuclear energy (01-04-2016)“…•Effective temperatures of atoms can be determined by the DINS technique.•This is the first time that such application of this experimental technique is…”
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6
Measurements of the neutron cross sections of hydrogen and deuterium in H2O-D2O mixtures using the deep inelastic neutron-scattering technique
Published in Physical review letters (06-03-2009)“…We investigated the neutron cross sections of hydrogen and deuterium by means of the deep inelastic neutron-scattering technique in H2O-D2O mixtures. The…”
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Soil precompression stress: II. A comparison of different compaction tests and stress–displacement behaviour of the soil during wheeling
Published in Soil & tillage research (2004)“…Precompression stress is often used as a criterion for soil susceptibility to compaction. The objective of this study was to compare precompression stresses…”
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The sciences and applications of the Electron LINAC-driven neutron source in Argentina
Published in European physical journal plus (01-06-2016)“… The Neutron Physics group at Centro Atómico Bariloche (CNEA, Argentina) has evolved for more than forty five years around a small 25MeV linear electron…”
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Experimental corrections in neutron scattering experiments: A modern theoretical and computational approach
Published in Neutron news (02-10-2014)“…Neutron News Experimental corrections in neutron scattering experiments: A modern theoretical and computational approach…”
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10
Density dependence of the momentum distributions in liquid para -hydrogen
Published in Physical review. B, Condensed matter and materials physics (01-04-2006)Get full text
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Formalism for obtaining nuclear momentum distributions by the deep inelastic neutron scattering technique
Published in Physical review. B, Condensed matter and materials physics (01-02-2005)“…We present a formalism to obtain momentum distributions in condensed matter from neutron Compton profiles measured by the deep inelastic neutron scattering…”
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Quantitative Assessment of the Effects of Orientational and Positional Disorder on Glassy Dynamics
Published in Physical review letters (1997)Get full text
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Total cross section of solid mesitylene, toluene and a mixture of them at thermal neutron energies
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (2009)“…The total neutron cross sections of mesitylene, toluene and a solution 3:2 by volume of mesitylene and toluene were measured at the electron LINAC based pulsed…”
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14
Neutron total cross-section model for liquids and its application to light water
Published in Annals of nuclear energy (01-08-2011)“…► This model describes the total cross-section of molecular liquids aiming describe the subthermal energy range. ► The model is amenable to perform…”
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15
Quantum effects on liquid dynamics as evidenced by the presence of well-defined collective excitations in liquid para-hydrogen
Published in Physical review letters (05-06-2000)“…The origin of the well-defined collective excitations found in liquid para-H2 by recent experiments is investigated. The persistence of their relatively long…”
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16
Search for anomalous effects in H2O/D2O mixtures by neutron total cross section measurements
Published in Physical review letters (14-03-2003)“…We investigate anomalies ascribed to quantum entanglement phenomena recently reported in deep inelastc neutron scattering (DINS) measurements by an independent…”
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17
Beyond classical molecular dynamics: Simulation of quantum-dynamics effects at finite temperatures; the case of condensed molecular hydrogen
Published in Chemical physics (31-10-2005)“…The problem of calculating space-time correlations in liquids that show significant quantum effects at finite temperatures is here addressed. Results derived…”
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18
Analysis of mean kinetic energies in H2O/D2O mixtures by neutron total cross-section measurements
Published in Physica. B, Condensed matter (01-11-2006)“…In this work we present neutron total cross-section measurements on H2O/D2O liquid mixtures at room temperature in the epithermal energy range employing the…”
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19
Final energy distributions in deep inelastic neutron scattering experiments
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (01-04-2004)“…We analyzed the final energy distributions of the scattered neutrons in a deep inelastic neutron scattering experiment and assessed its significance by…”
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20
Static structure factor of liquid parahydrogen
Published in Physical review. B, Condensed matter and materials physics (01-01-2004)Get full text
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