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bubble chamber

   Also found in: Encyclopedia, Wikipedia, Hutchinson 0.04 sec.
bubble chamber
n.
An apparatus in which the movement and collision of ionizing particles is determined by the examination of trails of gas bubbles that form in the paths of the particles as they move through a superheated liquid.
bubble chamber  (bbl)
A device used to observe the paths of charged subatomic particles. A bubble chamber consists of a container filled with very dense fluid that is close to boiling. The moving particles create tracks of bubbles in the fluid that can be photographed and analyzed. Bubble chambers have been largely supplanted in laboratories by more sensitive particle detectors that do not rely on the human eye. Compare cloud chamber.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.bubble chamber - an instrument that records the tracks of ionizing particles
particle detector - a chamber in which particles can be made visible


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Such an arrangement, which ended reliance on photographed particle tracks in bubble chambers and inaugurated the age of electronic particle detection, allowed physicists to pinpoint individual particle trajectories with improved precision while handling hundreds of thousands of such events per second.
Electron chemistry, detector physics by Peterson, Ivars / Science News
Simply open the top of the Bubble Machine and pour the Gazillion Bubble solution into the bubble chamber, close the top and switch the machine to on.
Funrise 2005 Toys for the Holidays by Business Wire
Glaser, while developing the bubble chamber for detecting subatomic particles at the University of Michigan back in the 1950s, used to sit for hors in the student union staring into a glass of beer, looking for tracks of bubbles left by mu mesons -- energetic particles created in violent encounters between cosmic rays and particles in the atmosphere.
Particle beams, bubbles and beer by Science News
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