Measurement Of The Scattering Cross Section Of Slow Neutrons On Liquid Parahydrogen From Neutron Transmission
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Release | : 2015 |
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Download Measurement of the Scattering Cross Section of Slow Neutrons on Liquid Parahydrogen from Neutron Transmission Book in PDF, Epub and Kindle
The scattering of slow neutron beams provides unique, non-destructive, quantitative information on the structure and dynamics of materials of interest in physics, chemistry, materials science, biology, geology, and other fields. Liquid hydrogen is a widely-used neutron moderator medium, and an accurate knowledge of its slow neutron cross section is essential for the design and optimization of intense slow neutron sources. In particular the rapid drop of the slow neutron scattering cross section of liquid parahydrogen below 15 meV, which renders the moderator volume transparent to the neutron energies of most interest for scattering studies, is therefore especially interesting and important. We have placed an upper bound on the total cross section and the scattering cross section for slow neutrons with energies between 0.43 meV and 16.1 meV on liquid hydrogen at 15.6 K using neutron transmission measurements on the hydrogen target of the NPDGamma collaboration at the Spallation Neutron Source at Oak Ridge National Laboratory. At 1 meV this new upper bound is a factor of 3 below the data from previous work which has been used in the design of liquid hydrogen moderators at slow neutron sources. We describe our measurements, compare them with previous work, and discuss the implications for designing more intense slow neutron sources.
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Total Pages | : 36 |
Release | : 1946 |
Genre | : Hydrogen ions |
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Download The Scattering of Slow Neutrons by Ortho and Parahydrogen Book in PDF, Epub and Kindle
Author | : Enrico Fermi |
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Total Pages | : 10 |
Release | : 1949 |
Genre | : Deuterons |
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Download Spin Dependence of Slow Neutron Scattering by Deuterons Book in PDF, Epub and Kindle
Author | : Edward Melkonian |
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Total Pages | : 32 |
Release | : 1949 |
Genre | : Cross sections (Nuclear physics) |
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Download A Precise Determination of the Slow Neutron Cross Section of the Free Proton Book in PDF, Epub and Kindle
Author | : Peter A. Egelstaff |
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Total Pages | : 548 |
Release | : 1965 |
Genre | : Science |
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Download Thermal Neutron Scattering Book in PDF, Epub and Kindle
Author | : Reuben Elbert Fields |
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Total Pages | : 220 |
Release | : 1953 |
Genre | : Neutron-proton interactions |
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Download Measurement of the Neutron-proton Cross Section at 1.0 Mev and 2.5 Mev Book in PDF, Epub and Kindle
Author | : Byron L. Youtz |
Publisher | : |
Total Pages | : 68 |
Release | : 1953 |
Genre | : Collisions (Nuclear physics) |
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Download Elastic and Inelastic Scattering of 90-Mev Neutrons by Deuterons Book in PDF, Epub and Kindle
Author | : Joseph Anthony Callerame |
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Total Pages | : 136 |
Release | : 1975 |
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Download The Total Cross Section of Slow Neutrons on Parahydrogen and Orthodeuterium Book in PDF, Epub and Kindle
Author | : J. M. Carpenter |
Publisher | : Cambridge University Press |
Total Pages | : 539 |
Release | : 2015-09-24 |
Genre | : Science |
ISBN | : 1316368165 |
Download Elements of Slow-Neutron Scattering Book in PDF, Epub and Kindle
Providing a comprehensive and up-to-date introduction to the theory and applications of slow-neutron scattering, this detailed book equips readers with the fundamental principles of neutron studies, including the background and evolving development of neutron sources, facility design, neutron scattering instrumentation and techniques, and applications in materials phenomena. Drawing on the authors' extensive experience in this field, this text explores the implications of slow-neutron research in greater depth and breadth than ever before in an accessible yet rigorous manner suitable for both students and researchers in the fields of physics, biology, and materials engineering. Through pedagogical examples and in-depth discussion, readers will be able to grasp the full scope of the field of neutron scattering, from theoretical background through to practical, scientific applications.
Author | : T. J. Krieger |
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Total Pages | : 44 |
Release | : 1956 |
Genre | : Hydrogen |
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Download The Scattering of Slow Neutrons by Hydrogenous Moderators Book in PDF, Epub and Kindle