Results 271 to 280 of about 275,067 (294)
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Calculations of neutron spectra after neutron–neutron scattering
Journal of Physics G: Nuclear and Particle Physics, 2004A direct neutron–neutron scattering length, ann, measurement with the goal of 3% accuracy (0.5 fm) is under preparation at the aperiodic pulsed reactor YAGUAR. A direct measurement of ann will not only help resolve conflicting results of ann by indirect means, but also in comparison to the proton–proton scattering length, app, shed light on the charge ...
E. I. Sharapov +12 more
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Elements, 2021
By exploiting the penetration, attenuation, and scattering properties of neutrons, images of matter in two or three dimensions reveal information unobtainable using other probes. Despite the limitation in brilliance of neutron sources, several neutron-based imaging techniques are essential to different aspects of modern geoscience.
Artioli G., Hussey D. S.
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By exploiting the penetration, attenuation, and scattering properties of neutrons, images of matter in two or three dimensions reveal information unobtainable using other probes. Despite the limitation in brilliance of neutron sources, several neutron-based imaging techniques are essential to different aspects of modern geoscience.
Artioli G., Hussey D. S.
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Neutron detection and neutron dosimetry
Radiation Protection Dosimetry, 2004A review is presented on the research and development of inorganic scintillators for position-sensitive thermal neutron detectors to be used at new spallation neutron sources. Furthermore some recent developments in the field of fast-neutron dosimetry will be discussed.
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Neutron halo structure, 9Li-neutron and neutron-neutron momentum correlations in 11Li
Nuclear Physics A, 1992Abstract The approximate three-body approach COSMA is used to explore the structure of 11Li. This “Borromean” system is discussed with reference to the similar system 6He for which information on the binary subsystems is more complete. Spatial densities and a variety of correlated momentum distributions for 9Li-n and nn are calculated.
D. V. Fedorov +4 more
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NEUTRON LOGGING OF DRILL HOLES: THE NEUTRON‐NEUTRON METHOD
GEOPHYSICS, 1951Experiments were performed to determine the distribution of thermal neutrons and of indium resonance neutrons in continuous hydrogenous media and in pipes passing through hydrogenous media. Included in the study were water, brine, mixtures of sand and water, and mixtures of sand and brine. Experiments in a continuous typical barite drilling mud showed
Henry Faul, Clark Goodman, C. W. Tittle
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Reviews of Modern Physics, 1967
The present status of the problem of charge dependence is discussed. The information about the neutron-neutron interaction derived from the two-neutron system, three-nucleon systems, final-state interactions in multiparticle reactions, and peripheral processes is critically evaluated.
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The present status of the problem of charge dependence is discussed. The information about the neutron-neutron interaction derived from the two-neutron system, three-nucleon systems, final-state interactions in multiparticle reactions, and peripheral processes is critically evaluated.
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Neutron-Proton and Neutron-Neutron Scattering at High Energies
Physical Review, 1949The phase method and the Born approximation is used to calculate the cross sections of high energy neutrons scattered by protons and neutrons. Various exchange theories are considered for both, central and tensor forces of rectangular and Yukawa well shape.
Julian Eisenstein, F. Rohrlich
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Micromegas neutron beam monitor neutronics
Radiation Protection Dosimetry, 2005The Micromegas is a type of ionising radiation detector that consists of a gas chamber sandwiched between two parallel plate electrodes, with the gas chamber divided by a Frisch grid into drift and amplification gaps. Investigators have applied it to a number of different applications, such as charged particle, X-ray and neutron detection. A Micromegas
Laurence F. Miller, Andrew C. Stephan
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Neutron-neutron interaction in the S-state
Nuclear Physics, 1965Abstract The proton spectrum at its upper end point in the D(n, p)2n reaction is investigated for determining the neutron-neutron scattering length a nn . A scintillation spectrometer in which deuterons and protons are completely separated is used for the investigation. An expression for the differential cross section of the reaction, obtained from
V.K. Voitovetskii +2 more
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Physics World, 1996
Neutrons make up more than half the matter in our everyday world. As its name implies, the neutron is electrically neutral, but the quarks that make up a neutron are charged. Moreover, the distributions of positive and negative quarks inside a neutron are different, which leads to a separation of charge inside the uncharged particle.
Jo van den Brand, Peter de Witt Huberts
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Neutrons make up more than half the matter in our everyday world. As its name implies, the neutron is electrically neutral, but the quarks that make up a neutron are charged. Moreover, the distributions of positive and negative quarks inside a neutron are different, which leads to a separation of charge inside the uncharged particle.
Jo van den Brand, Peter de Witt Huberts
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