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The complex-mass scheme for perturbative calculations with unstable particles

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arxiv hep-ph/0605312 v1 pith:2AIJFUMG submitted 2006-05-29 hep-ph

classification hep-ph
keywords schemecalculationscomplex-massparticlesperturbativeunstableapplybeen
verification ladder T0 review T1 audit T2 compute T3 formal

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Perturbative calculations with unstable particles require the inclusion of their finite decay widths. A convenient, universal scheme for this purpose is the complex-mass scheme. It fully respects gauge-invariance, is straight-forward to apply, and has been successfully used for the calculation of various tree-level processes and of the electroweak radiative corrections to e+ e- -> 4f and H -> 4f.

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Cited by 6 Pith papers

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