Subtraction terms for one-loop amplitudes with one unresolved parton

Details Subtraction terms for one-loop amplitudes with one unresolved parton Subtraction terms for one-loop amplitudes with one unresolved parton

2003-06-25

arxiv.org/abs/hep-ph/0306248v1

JHEP 0307 (2003) 052

Physics

High Energy Physics

High Energy Physics - Phenomenology

27 pages

Scientific paper

10.1088/1126-6708/2003/07/052

Fully differential next-to-next-to-leading order calculations require a method to cancel infrared singularities. In a previous publication, I discussed the general setup for the subtraction method at NNLO. In this paper I give all subtraction terms for electron-positron annihilation associated with one-loop amplitudes with one unresolved parton. These subtraction terms are integrated within dimensional regularization over the unresolved one-particle phase space. The results can be used with all variants of dimensional regularization (conventional dimensional regularization, the 't Hooft-Veltman scheme and the four-dimensional scheme).

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