Wednesday weekly meeting

Wednesday 20 Jan 2021, 11:00 → 12:00 Asia/Tehran

Gholamhossein Haghighat (IPM)

General weekly meeting of the school of particles and accelerators

Meeting room link:                                                                                                                          https://meet.google.com/dmk-zowd-cmo                                                                                                                                          Alternative link:                                                                                                                                                             https://www.skyroom.online/ch/ipm-particles/school-of-particles-and-accelerators-weekly-meeting

11:00 → 12:00 Mass corrections to the DGLAP evolution equations

We propose a mass-dependent MOM scheme to renormalize UV divergence of unpolarized PDFs at one-loop order. This approach which is based on a once subtracted dispersion relation does not need any regulator. The overall counterterms are obtained from the imaginary part of large transverse momentum region in loop integrals. The mass-dependent characteristic of the scheme yields to mass-dependent splitting functions for the DGLAP evolution equations. While the flavor number is fixed at any renormalization scale, the decoupling theorem is automatically imposed by the mass-dependent splitting functions. The required symmetries are also automatically respected by our prescription.

Speaker: Dr Abolfazl Mirjalili (Yazd University)

Slides Mirjalili.pdf