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coincidence counting |
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coincidence counting [kō·in′sidəns] Etymology: L, coincidere, to occur together the detection of two photons that arrive at separate counters simultaneously as the result of annihilation of a positron (created during a radioactive decay) and an electron. Coincidence counting greatly reduces the significance of any background radiation in radiography. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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