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Ultraviolet divergence
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{{Short description|Divergences arising from high energy physics}} {{Use American English|date=January 2019}} {{refimprove|date=July 2008}} In [[physics]], an '''ultraviolet divergence''' or '''UV divergence''' is a situation in which an [[integral]], for example a [[Feynman diagram]], diverges because of contributions of objects with unbounded [[energy]], or, equivalently, because of physical phenomena at infinitesimal distances.
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