= Acoplanarity
{wiki=Acoplanarity}
Acoplanarity refers to a geometric condition where two or more objects, often in the context of physics or engineering, do not lie in the same plane. This concept is particularly relevant in fields like particle physics, where it may be used to analyze the interaction of particles and their decay products. In practical terms, when dealing with momentum vectors of particles in high-energy physics, acoplanarity tends to describe a situation where the vectors of the outgoing particles do not all fall within the same planar surface.
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