beta particle


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beta particle

n.
An electron or positron, especially one emitted at high energy in the decay of certain radioactive nuclei.

beta particle

n
(General Physics) a high-speed electron or positron emitted by a nucleus during radioactive decay or nuclear fission

be′ta par`ticle


n.
an electron or positron emitted from an atomic nucleus in beta decay.
[1900–05]

beta particle

A high-speed electron emitted by an atomic nucleus undergoing radioactive decay. A beta particle is created when a neutron becomes a proton. Beta particles have greater speed and penetrating power than alpha particles. ♦ The process by which a neutron becomes a proton and emits an electron is called beta decay. Beta decay results in the atomic number of an element being increased by one and its mass number staying the same. See more at radiation, radioactive decay.

beta particle

An electron emitted by an isotope undergoing radioactive decay.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.beta particle - a high-speed electron or positron emitted in the decay of a radioactive isotope
subatomic particle, particle - a body having finite mass and internal structure but negligible dimensions
References in periodicals archive ?
As we discussed earlier in section-2 the emission mechanism of a beta particle and the neutrino that they both share the extra nuclear energy with variations.
biological tissue than a beta particle or gamma radiation because of its
Formation measurements (that provides a measure of density distribution in a sheet) were performed using a formation tester which is based on beta particle absorption.
beta]] is the propagation direction of the beta particle, is reduced by the fraction of neutrons that decay in the target ([10.
When an X ray or beta particle strikes the enhancer screen it gives off a burst of light, greatly amplifying the signal.
10 Of course, the postulation of the neutrino was not exactly correct: current physics tells us that it is an intermediary particle which is emitted from the nucleus initially, and it is it which decays into a Beta particle and an antineutrino (though calling the small neutral particle emitted in this process an antineutrino is just as much a change in nomenclature as a change in theory).
Tenders are invited for Supply,Installation And Commissioning And Warranty Of Soft Beta Particle In Air Monitor As Per Purchasers Technical Specification And Drawings Required At Stores Officer,Csu, Barc, Trombay, Mumbai-85.
The gas produced by beta particle reaction with linear polyethylene is more than 99% pure hydrogen.
A third type is gamma emission, in which the atom gives off a highly energetic photon along with the alpha or beta particle.
In beta decay an unstable nucleus emits an electron (labeled a beta particle before anybody knew what it really was).
It emits a photon in coincidence with a beta particle.