Källén function
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Revision as of 20:26, 19 April 2016 by Stefan (Talk | contribs) (Created page with "The ('''triangle''') '''Källén function''' appears in kinematic equations and is defined as :<math>\lambda(x,y,z) \equiv x^2 + y^2 + z^2 - 2xy - 2yz - 2zx</ma...")
The (triangle) Källén function appears in kinematic equations and is defined as
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