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Energy And Angular Momentum.

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Posted by Alexander on March 12, 2001 14:13:27 UTC

Yes, E3-E1=9-4=5 eV. Also atom's spin should be able to change by photon's spin 1.

Or atom may radiate 2 photons with energy 2.5 eV each - then spin does not have to change, and photons will be entangled (opposite spin).

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