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spontaneous fission |
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spontaneous fission [spän′tā·nē·əs ′fi·shən] (nuclear physics) Nuclear fission in which no particles or photons enter the nucleus from the outside. 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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| The researchers also look for evidence of new isotopes, in which the number of neutrons present in a nucleus differs from known varieties, and for traces of spontaneous fission, in which a newly synthesized nucleus immediately splits into two pieces. The transuranics are all inherently unstable, subject to spontaneous fission or radioactive decay -- as is uranium, atomic number 92, the heaviest element known to exist in detectable amounts on earth. |
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