UV contribution and power dependence on $\Lambda_\mathrm{QCD}$ of Adler function
Go Mishima, Yukinari Sumino, Hiromasa Takaura
TL;DR
This paper develops a method to distinguish ultraviolet and infrared contributions to the Adler function and explores how the QCD scale parameter influences the ultraviolet part within perturbative calculations.
Contribution
It introduces a novel approach to separate UV and IR effects in the Adler function and analyzes the dependence on b3_b1_QCD within perturbative QCD.
Findings
UV and IR contributions can be systematically separated.
The b3_b1_QCD dependence is encoded in the UV contribution.
Perturbative QCD captures the b3_b1_QCD dependence in the UV part.
Abstract
We formulate a way to separate UV and IR contributions to the Adler function and discuss how dependence is encoded in the UV contribution within perturbative QCD.
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