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neutron
neutron
The Oxford Pocket Dictionary of Current English
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2009
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© The Oxford Pocket Dictionary of Current English 2009, originally published by Oxford University Press 2009. (Hide copyright information)
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neu·tron
/ ˈn(y)oōträn/
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n.
a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.
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Neutron Scattering Applied to Materials Problems
Magazine article from: JOM; 3/1/2006; ; 700+ words
; ...mechanical deformation. Neutrons are better able...compared to x-rays so neutron diffraction is used...applications of inelastic neutron scattering. By...change in energy, neutrons can probe the dynamics...is small-angle neutron scattering (SANS...length scales. For neutrons, ...
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Neutron Sources in North America: Present and Future
Magazine article from: JOM; 3/1/2006; ; 700+ words
; ...The Spallation Neutron Source (SNS) is...is due to deliver neutrons in 2006. When it...spacings and the neutron energy is comparable...lattice. These neutrons arc (hen useful...transfer from the neutron to the specimen...investigation compared with neutrons from a reactor...
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NEUTRON TRAPPING DEMONSTRATED FOR FIRST TIME AT NIST
Transcript from: Regulatory Intelligence Data; 1/5/2000; ; 700+ words
; ...took for the free neutrons to completely decay...other words, the neutron lifetime, has helped...almost two decades, neutrons have only been confined...difficulties are that the neutron, one of the basic...they decay. The neutrons, produced by the...NIST Center for Neutron Research ...
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Cooling neutrons for research.(EMERGING TECHNOLOGIES: eureka)
Magazine article from: R & D; 11/1/2006; 700+ words
; ...designed to cool the reactor's neutron beams to -253[degrees...cryogenic system to cool the neutrons at HFIR. This is a huge step...the study of materials with neutron sciences," adds Beierschmitt...ILLUSTRATION OMITTED] Why use cold neutrons? Neutrons are vital to research...
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The fundamental neutron physics beamline at the Spallation Neutron Source.
Magazine article from: Journal of Research of the National Institute of Standards and Technology; 5/1/2005; ; 700+ words
; ...beam of 0.89 nm neutrons for ultracold neutron (UCN) experiments...source; spallation neutron source. 1. Introduction Cold neutrons and ultracold neutrons...cold and ultracold neutrons. The Spallation Neutron Source (SNS) offers...
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Precision neutron polarimetry for neutron beta decay.
Magazine article from: Journal of Research of the National Institute of Standards and Technology; 5/1/2005; ; 700+ words
; ...pulsed cold neutrons from the SNS by transmitting the neutron beam through...by-pulse neutron spin reversal...the RFSF the neutrons are guided from...advantage that the neutron polarization...by the same neutrons that are also...
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Neutron Enterprises To Acquire Leading Stock Market Portfolio Simulations Company.
Business Wire; 11/30/2006; 700+ words
; ...and Entry Into Educational Market MONTREAL -- Neutron Enterprises Inc. ("Neutron") (OTCBB: NTRN) announced today that it has...000 middle and high school students each year. Neutron previously announced that it was working with...
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Neutron Enterprises Completes Acquisition of Stock-Trak, Inc.
Business Wire; 1/9/2007; 700+ words
; ...and Entry Into Educational Market MONTREAL -- Neutron Enterprises Inc. ("Neutron") (OTCBB: NTRN) announced today that it has...000 middle and high school students each year. Neutron previously announced that it was working with...
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The fundamental neutron physics facilities at NIST.
Magazine article from: Journal of Research of the National Institute of Standards and Technology; 5/1/2005; ; 700+ words
; ...dedicated to studies of fundamental neutron interactions. The neutrons are provided by the NIST Center...facilities. Key words: cold neutrons; electroweak interactions; neutron interferometer; polarized neutrons; spin filters; ultracold neutrons...
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Neutron-Scattering Project Receives $6.4 Million in Funding; New Facility Will Aid Development Efforts in Indiana.
News Wire article from: AScribe Science News Service; 10/6/2003; 700+ words
; ...hydrogen atoms, and neutrons can highlight a nucleic...only a handful of neutron scattering research...problem is to get more neutron sources into the...teach students about neutron production and the use of neutrons for solving scientific...
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neutron
Book article from: The Columbia Encyclopedia, Sixth Edition
...radioactive; the extra neutrons convert to protons...In a nucleus the neutron can be stable...indicate that the neutron, like the proton...pions ; protons and neutrons are bound together...polarization of beams of neutrons. The formation...the techniques of neutron optics is known...
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Neutron Star
Encyclopedia entry from: UXL Encyclopedia of Science
...cave in on themselves to form a densely packed neutron star. Origin of a neutron star A neutron star is formed in two stages. First, within...negatively charged particles) together to form neutrons (uncharged particles) and expels high-energy...
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Neutron
Encyclopedia entry from: The Gale Encyclopedia of Science
Neutron The atom...of particles, neutrons (which are electrically...x2019; s size. Neutrons and protons were...accelerators. The neutron as a distinct...was to use this neutron source for making...his work with neutrons. Almost all...
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neutron star
Book article from: A Dictionary of Astronomy
...greater the mass of a neutron star, the smaller its diameter. Neutron stars are believed to...interior of superfluid neutrons (i.e. neutrons behaving like a fluid...spinning, magnetized neutron stars. Massive X-ray...
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Neutron Activation Analysis
Encyclopedia entry from: The Gale Encyclopedia of Science
...Activation Analysis Neutron activation analysis...element is bombarded with neutrons, some of the atoms...isotopes were created by neutron bombardment and hence...nuclear reactor. The neutrons available in the reactor bring about the n/c (neutron/gamma ray) reactions...
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