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energy spectrum |
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energy spectrum [′en·ər·jē ‚spek·trəm] (physics) Any plot, display, or photographic record of the intensity of some type of radiation as a function of its energy. 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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To look for signs of dark energy, the Cambridge astronomers and their colleagues examined the brightness and energy spectra of X-ray emissions from 26 clusters to calculate the exact distances to the clusters, known to lie between 1 billion and 8 billion light-years from Earth. Various radionucleides have distinct energy spectra, and one can identify its nuclear signature, which is basically a fingerprint of that material, Gentile said. A large effective area to detect a large sample of sources and determine their energy spectra. |
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