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positron

[ UK /pˈɒsɪtɹˌɒn/ ]
[ US /ˈpɑzəˌtɹɑn/ ]
NOUN
  1. an elementary particle with positive charge; interaction of a positron and an electron results in annihilation

How To Use positron In A Sentence

  • (If you are willing to postulate a matter-antimatter explosive, aka a positronium bomb, then P can increase by the maximal amount from 0 to e/3.) Dark Matter: Still Existing
  • The paper shows that positrons can see defects better than either optical or electron beam microscopes.
  • I also began planning the experiment on the optical spectroscopy of positronium. Steven Chu - Autobiography
  • This is the mathematical basis of computed tomography and positron emission tomography.
  • One imaging technique, positron emission tomography (PET) with the imaging agent fluorodeoxyglucose (FDG), may provide doctors with the information they need to make more informed treatment decisions, according to research published in the April issue of THE MEDICAL NEWS
  • In clinically unclear cases, use of an advanced imaging technique-positron emission tomography (PET) with the imaging agent fluorodeoxyglucose (FDG) and computed tomography PhysOrg.com - latest science and technology news stories
  • Aiming the lasers and microwaves precisely at the antiatoms using the right settings is very difficult right after the antiatoms are formed because they are in what's called an excited state - the positrons are orbiting the nucleus of the antiatom, but they're very far away, and they're constantly changing their orbit. CBC | Top Stories News
  • Electrons from the tissue combine with positrons from the radioactive tracer to produce gamma rays (similar to x-rays).
  • By measuring the time between the pulse and the photon flash of electron-positron annihilation the team was able to map the defect regions.
  • The positronium in this proposed rocket would be shuttled from the fuel tank to the engine core, where it annihilates, producing two gamma rays that evaporate silicon carbide from the nearby surface.
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