positron


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pos·i·tron

 (pŏz′ĭ-trŏn′)
n.
An elementary particle having the same mass and magnitude of charge as an electron but exhibiting a positive charge; the antiparticle of the electron. Also called antielectron.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

positron

(ˈpɒzɪˌtrɒn)
n
(General Physics) physics the antiparticle of the electron, having the same mass but an equal and opposite charge. It is produced in certain decay processes and in pair production, annihilation occurring when it collides with an electron
[C20: from posi(tive + elec)tron]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

pos•i•tron

(ˈpɒz ɪˌtrɒn)

n.
an elementary particle with the same mass as an electron but a positive charge; the antiparticle of the electron.
[1930–35; posi (tive) + (elec) tron]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.positron - an elementary particle with positive charge; interaction of a positron and an electron results in annihilation
antilepton - the antiparticle of a lepton
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
positró
positroni
positronpositon
pósitron
positron

positron

[ˈpɒzɪˌtrɒn] Npositrón m
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

positron

nPositron nt
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
References in periodicals archive ?
Summary: Positron Emission Tomography (PET) is a medical diagnostic technique that is used to examine metabolic activity of the tissue inside the body using a radiotracer that is administered intravenously.
Radiologists present a clinical guide to positron emission tomography/computed tomography (PET/CT) from the perspectives of basic science, clinical basics, oncological applications, and non-oncological applications.
Oxygen-18 is a natural, stable isotope of oxygen and is an important precursor for the production of fluorodeoxyglucose (FDG) used in positron emission tomography (PET).
Nuclear medicine healthcare company Positron Corporation (OTC:POSC) disclosed on Tuesday that it has sold a Attrius PET scanner to a cardiology company in the US.
In this work, the positron annihilation lifetime (PAL) spectroscopy, the method which can be recognized as advanced instrumentation tool efficiently exploring nanospace at atomistic and sub-atomistic length scales [12-16], is employed to characterize atomic-deficient nanostructurization in composites based on [As.sub.4][S.sub.4] polymorphs prepared by high-energy milling in a wet mode.
Positron emission tomography is a computed tomography medical procedure in which a computer-generated image of tissues is produced through the detection of gamma rays due to the decay of radionuclides and subsequent release of positrons.
The positron is the antimatter of the electron, having an opposite charge of the electron, but the other properties are the same.
"We have identified the dominant physics associated with the scaling of positron yield with laser and target parameters, and we can now look at its implication for using it to study the physics relevant to gamma-ray bursts," Chen said.
Despite the intriguing quandary exposed by HEAT, some scientists doubted that the Alpha Magnetic Spectrometer could add much to the positron origin debate or resolve any big physics mysteries.
Positron confinement time depends on trap imperfections.