Selection rules: Difference between revisions

From Glossary of Meteorology
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{{Term
 
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|Meaning=A set of rules that determine whether the [[absorption]] or [[fluorescence]] of [[radiation]]  will be favorable.
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|Explanation=The "rules" derive from a quantum mechanical description of [[light]] absorption. A given transition  may be "allowed" or "forbidden." [[forbidden transitions|Forbidden transitions]] can occur, but with very much lower  [[intensity]] than allowed ones. <br/>''See also'' [[allowed transitions|allowed transitons]].
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== selection rules ==
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<div class="definition"><div class="short_definition">A set of rules that determine whether the [[absorption]] or [[fluorescence]] of [[radiation]]  will be favorable.</div><br/> <div class="paragraph">The &ldquo;rules&rdquo; derive from a quantum mechanical description of [[light]] absorption. A given transition  may be &ldquo;allowed&rdquo; or &ldquo;forbidden.&rdquo; [[Forbidden transitions]] can occur, but with very much lower  [[intensity]] than allowed ones. <br/>''See also'' [[allowed transitons]].</div><br/> </div>
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Latest revision as of 13:07, 29 March 2024

A set of rules that determine whether the absorption or fluorescence of radiation will be favorable.

The "rules" derive from a quantum mechanical description of light absorption. A given transition may be "allowed" or "forbidden." Forbidden transitions can occur, but with very much lower intensity than allowed ones.
See also allowed transitons.

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