Difference between revisions of "Källén function"
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The ('''triangle''') '''Källén function''' appears in [[Kinematics|kinematic]] equations and is defined as | The ('''triangle''') '''Källén function''' appears in [[Kinematics|kinematic]] equations and is defined as | ||
:<math>\lambda(x,y,z) \equiv x^2 + y^2 + z^2 - 2xy - 2yz - 2zx</math>. | :<math>\lambda(x,y,z) \equiv x^2 + y^2 + z^2 - 2xy - 2yz - 2zx</math>. | ||
It is named after [http://en.wikipedia.org/wiki/Gunnar_K%C3%A4ll%C3%A9n Gunnar Källén]. | It is named after [http://en.wikipedia.org/wiki/Gunnar_K%C3%A4ll%C3%A9n Gunnar Källén]. | ||
Latest revision as of 16:26, 29 November 2016
The (triangle) Källén function appears in kinematic equations and is defined as
.
It is named after Gunnar Källén.
