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Why magic numbers in nuclear physics are called magic?

Updated: 8/20/2019
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11y ago

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They are considered magical because historically, when the elements at these atomic numbers were observed, they seemed to have extraordinary stability than what the usual binding energy curve showed. If you are asking about the word "magic", it was a term coined by Wigner because he found this idea of shells too amazing but true.

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Q: Why magic numbers in nuclear physics are called magic?
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