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energy spectrum

noun
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Definition of energy spectrum

: an arrangement of particle energies (as of alpha particles or photoelectrons) in a heterogeneous beam that is analogous to the arrangement of frequencies in an optical spectrum

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“Energy spectrum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/energy%20spectrum. Accessed 6 Mar. 2021.

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