Isotopes for Medicine and the Life Sciences (1995) / Chapter Skim
Currently Skimming:
E Glossary
E Glossary
Pages 128-132
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From page 128... ...
Among the types of accelerators are Van de Graff electrostatic accelerators, linear accelerators, cyclotrons, and synchrotrons. Alpha particle A positively charged particle consisting of two protons and two neutrons, identical to the nucleus of the helium atom, emitted by several radioactive substances.
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From page 129... ...
Cyclotron vault The massive concrete structure that completely surrounds the cyclotron, beam tubes, and target stations and that acts as a biological shield against the neutron and gamma radiation emitted by the cyclotron when it is in operation. Decay product The substance formed by the radioactive decay of a radioactive nuclide.
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From page 130... ...
The primary fragments produced in fission are themselves radioactive and decay through a succession of radioactive isotopes until a stable form is reached. Gamma radiation Most radioactive elements emit from the nucleus electromagnetic radiation called gamma rays.
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From page 131... ...
Nucleus The small, dense, positively charged core of the atom, consisting of neutrons and protons held together by strong nuclear forces. Nuclide An atomic nucleus characterized by the number of protons, the number of neutrons, and energy content.
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From page 132... ...
A common transmutation process is neutron capture followed by beta decay. Tritium A radioactive isotope of hydrogen (3H or T)
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