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The Four Dimensional Helicity Scheme Beyond One Loop

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arxiv 1205.4015 v1 pith:Y3GNB7LF submitted 2012-05-17 hep-ph

The Four Dimensional Helicity Scheme Beyond One Loop

classification hep-ph
keywords schemedimensionalamplitudesdescribefourhelicityscatteringamplitude
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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I describe a procedure by which one can transform scattering amplitudes computed in the four dimensional helicity scheme into properly renormalized amplitudes in the 't Hooft-Veltman scheme. I describe a new renormalization program, based upon that of the dimensional reduction scheme and explain how to remove both finite and infrared-singular contributions of the evanescent degrees of freedom to the scattering amplitude.

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Cited by 1 Pith paper

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  1. Disperon QED

    hep-ph 2025-12 unverdicted novelty 6.0

    Disperon QED is a new technique that feeds experimental data into higher-order QED loop calculations in Monte Carlo generators via dispersion relations and threshold subtraction.