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Kallenλ

Kallenλ[a,b,c]
gives the Källén kinematic (triangle) polynomial .

Details and OptionsDetails and Options

  • Mathematical function, suitable for both symbolic and numerical manipulation.
  • Kallenλ has attribute Orderless.
  • KallenExpand will replace Kallenλ with its explicit definition.
  • For degenerate cases, explicit expressions are automatically substituted.

ExamplesExamplesopen allclose all

Basic Examples  (4)Basic Examples  (4)

Evaluate numerically:

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Use KallenExpand to insert explicit expression:

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Explicit expressions are automatically substituted for special cases:

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