Two-loop form factors for diphoton production in quark annihilation channel with heavy quark mass dependence

Two-loop form factors for diphoton production in quark annihilation channel with heavy quark mass dependence

Abstract We present the computation of the two-loop form factors for diphoton production in the quark annihilation channel. These quantities are relevant for the NNLO QCD corrections to diphoton production at LHC recently presented in [1]. The computation is performed retaining full dependence on th...

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Bibliographic Details
Main Authors: Matteo Becchetti, Roberto Bonciani, Leandro Cieri, Federico Coro, Federico Ripani
Format: Article
Language:English
Published: SpringerOpen 2023-12-01
Series:Journal of High Energy Physics
Subjects:
Higher-Order Perturbative Calculations
Top Quark
Online Access:https://doi.org/10.1007/JHEP12(2023)105
Description
Summary:Abstract We present the computation of the two-loop form factors for diphoton production in the quark annihilation channel. These quantities are relevant for the NNLO QCD corrections to diphoton production at LHC recently presented in [1]. The computation is performed retaining full dependence on the mass of the heavy quark in the loops. The master integrals are evaluated by means of differential equations which are solved exploiting the generalised power series technique.
ISSN:1029-8479

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