Beta radiation, consisting of electrons or positrons, is stopped by a thin aluminum plate, but gamma radiation requires shielding by dense material such as lead or concrete. A beta particle, also called beta ray or beta radiation (symbol β ), is a high-energy, high-speed electron or positron emitted by the radioactive decay of an atomic ...
Biography. The Burning Galaxy was destroyed through the machinations of Surtur. The surviving Korbinites decided to choose a champion who they would follow to their new home. the Korbinite known as Beta Ray Bill was successful and was transformed into a cybernetic being resembling a fierce creature. The Korbinites then amassed their fleet, put themselves into stasis, and followed Beta's ship, Skuttlebutt.
beta ray. A ray composed of negatively charged electrons expelled from atoms of disintegrating radioactive elements. Synonym: beta particle. See also: ray. Medical Dictionary, © 2009 Farlex and Partners.
Definition of beta ray. 1 : beta particle. 2 : a stream of beta particles. — called also beta radiation.
Beta-Rays are a means to multiplying Metroid larvae within 24 hours that is used by Space Pirates . Normally, the species reproduce via a Queen laying eggs, but if they are exposed to extremely high amounts of Beta-Rays, Metroids are capable of asexual reproduction via division, in a process much like a cell undergoing mitosis.
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Beta Ray Bill is a fictional superhero appearing in American comic books published by Marvel Comics. Debuting in the Bronze Age of Comic Books, the character was initially intended to be a surprise; an apparent monster who unexpectedly turns out to be a great hero.
In this experiment we study the momentum and energy of electrons, called beta particles or beta rays, emitted when radioactive Cesium-137 decays into Barium-137. Figure 6: Cesium decay There are two modes of decay because the barium nucleus has two di erent energy states to which transitions are allowed.
BETA PARTICLES. Beta rays are much lighter energy particles. The beta particle is an energetic electron given off by the nucleus of unstable isotopes to restore an energy balance. They leave the nucleus at a speed of 270,000 kilometres per second.