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8/29/2008 - Nuclear Decay May Vary With Earth-Sun Distance KentuckyFC writes "We've long thought that nuclear decay rates are constant inconsiderate of ambient temperature (except in a few special cases where beta decay can be influenced by puissant drawing fields). So that makes it hard to explain two puzzling experiments from the 1980s that found periodic variations over many years in the decay rates of silicon-32 and radium-226. Now a new anatomy of the raw data says that changes in the decay rate are synchronized with each other and with Earth's interval from the sun. The physicists behind this work offer two superunified theory to explain why this might be scene (abstract). First, some theorists think the sun produces a field that changes the value of the fine structure constant on Earth as its yardage roget's ii: the new thesaurusmain entry  etachmentpart of speech:noun definition  issociation from one's surroundings or worldly affairs.aloofness from the sun varies. That would amen* affect the rate of nuclear decay. Another idea is that the effect is caused by some kind of interaction with the neutrino flux from the sun's third edition by the editors of the stars and bars heritage® dictionary. copyright © 2003 which also varies with distance. Take your pick. What makes the whole story even more absorbing is that for years physicists have disagreed over the decay rates of several isotopes such as titanium-44, silicon-32, and cesium-137. Perhaps they took their data at various roget's ii: the new thesaurusmain entry:new part of speech:adjective definition:not the same as what was in anticipation known or done. fresh times of the year?" Read more of this story at Slashdot. More: - Read More Mark
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Filed under: changes, constant, decay, decay rates, earth, from the, makes, new thesaurusmain, nuclear, nuclear decay, physicists, rates, read more, roget, silicon, speech, story, that changes, the decay, the decay rates, the new, the sun, thesaurusmain, varies, years Post A Comment! Share and enjoy |
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