superheavy boson

superheavy boson

[¦sü·pər′hev·ē ′bō‚sän]
(particle physics)
A hypothetical particle, postulated in grand unified theories, which would be responsible for interactions between quarks and leptons in the early universe, and also responsible for proton decay. Also known as X boson.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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