| 11. | At least 25 nuclear isomers have been described, ranging in atomic mass from 84 to 104.
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| 12. | Nagchaudhuri's research focused on nuclear isomers, induced radioactivity, Cherenkov radiation and nonthermal plasma.
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| 13. | At least 32 nuclear isomers have also been characterized, ranging in atomic mass from 170 to 200.
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| 14. | Europium-152 and 154 can be present, as well as two nuclear isomers of rhodium-102.
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| 15. | Such relatively long-lived excited nuclei are termed nuclear isomers, and their decays are termed isomeric transitions.
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| 16. | Only one nuclear isomer ( long-lived excited nuclear state ), fluorine-18m, has been characterized.
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| 17. | Background : Sharon Weinberger is a journalist who wrote a book on the topic of nuclear isomer weapons in 2006.
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| 18. | Tantalum-180m is a " metastable isotope " meaning that it is an excited nuclear isomer of tantalum-180.
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| 19. | Another reasonably stable nuclear isomer ( with a half-life of 31 years ) is gamma-ray stimulated emission.
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| 20. | They excited fluorescence from the nuclear isomer tantalum-180m with x-rays produced by an external beam radiotherapy linac.
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