|
Definition of Alpha particle
1. Noun. A positively charged particle that is the nucleus of the helium atom; emitted from natural or radioactive isotopes.
Definition of Alpha particle
1. Noun. A positively charged nucleus of a helium-4 atom (consisting of two protons and two neutrons), emitted as a consequence of radioactivity; ?-particle ¹
¹ Source: wiktionary.com
Medical Definition of Alpha particle
1.
Lexicographical Neighbors of Alpha Particle
Literary usage of Alpha particle
Below you will find example usage of this term as found in modern and/or classical literature:
1. Science by American Association for the Advancement of Science (1916)
"particle it not only changes to a different element, but the atomic weight of
the element is reduced by the weight of the alpha particle, which is 4 units. ..."
2. Transactions of the American Institute of Electrical Engineers by American Institute of Electrical Engineers (1913)
"These scintillations may be counted, and, assuming that each point of light is
caused by the impact of one alpha particle, an estimate may be made of the ..."
3. The Constitution of Matter by Joseph Sweetman Ames (1913)
"Actinium X atom; this loses an alpha particle, becoming an Actinium emanation
atom ; this loses an ... A Thorium atom loses an alpha particle and becomes a ..."
4. A College Text-book of Physics by Arthur Lalanne Kimball (1917)
"Figure 468 shows the intense ionization caused by the motion of an alpha particle
from radium, something like 30000 ions per centimeter being produced along ..."
5. Within the Atom: A Popular View of Electrons and Quanta by John Mills (1921)
"The nucleus may lose an alpha particle or a beta particle. A loss of an alpha
particle reduces the number of protons in the nucleus by four and the number ..."