Factorization at Subleading Power and Endpoint Divergences in \(h\to\gamma\gamma\) Decay: II. Renormalization and Scale Evolution

• Published in: arXiv.org
• Main Authors: Ze Long Liu, Mecaj, Bianka, Neubert, Matthias, Wang, Xing
• Format: Paper
• Language: English
• Published: Ithaca Cornell University Library, arXiv.org 11.01.2021
• Subjects: Amplitudes; Convolution; Convolution integrals; Decay; Evolution; Factorization; Logarithms; Matching; Operators (mathematics); Perturbation theory; Quarks; Regularization; Singularities; Theorems

Building on the recent derivation of a bare factorization theorem for the \(b\)-quark induced contribution to the \(h\to\gamma\gamma\) decay amplitude based on soft-collinear effective theory, we derive the first renormalized factorization theorem for a process described at subleading power in scale...