beta decay

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beta decay

a type of radioactivity that results in the emission of beta particles, either electrons or positrons. See also beta particle.

beta decay

Low-level radioactive decay in which particles, usually an electron with an antineutrino, or less commonly a positron with an antineutrino, are emitted.
References in periodicals archive ?
At this point, the beta process has been closed and no further beta users are being accepted," explained Doron.
Public Beta Process Perfects Lightroom 3 New Features
Need for Speed World is a massively multiplayer online action racing game that is currently in the beta process and will be available this summer on the PC.
Beta process management: Monitor beta usage, end-user behavior, application stability, and new feature adoption to improve software quality and validate development investments.
World Online will begin the beta process in Taiwan this winter and will open to players around the world in fall 2010.
Indeed, administrators at Groveland Elementary School, one of the pilot sites for Classworks Web Edition, stated that their input and recommendations were solicited throughout the beta process.