Brodsky et al's defence does not work
High Energy Physics - Phenomenology
2024-11-04 v2 High Energy Physics - Experiment
High Energy Physics - Theory
Abstract
In their defence of "maximum conformality" methods, Brodsky et al make the astonishing claim that any RG transformation a'=a(1+V_1 a + ...) in QCD must have V_1 proportional to b=(33-2n_f)/6. It is well known that this is not true. I emphasize again the correctness and central importance of the Celmaster-Gonsalves relation for the prescription dependence of the Lambda parameter.
Cite
@article{arxiv.2312.11049,
title = {Brodsky et al's defence does not work},
author = {P. M. Stevenson},
journal= {arXiv preprint arXiv:2312.11049},
year = {2024}
}
Comments
8 pages. Main text unaltered, but the Addendum has been revised to meet their objections. The main point, that the PMC result is RS dependent, is unaffected