Quark mass anomalous dimension at O(1/Nf2) in QCD

Ciuchini, M, Derkachov, SÉ, Gracey, JA ORCID: 0000-0002-9101-2853 and Manashov, AN (1999) Quark mass anomalous dimension at O(1/Nf2) in QCD. PHYSICS LETTERS B, 458 (1). pp. 117-126.

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Official URL: http://dx.doi.org/10.1016/s0370-2693(99)00573-0

Abstract

We compute the d-dimensional critical exponents corresponding to the wave function and mass renormalization of the quark in QCD in the Landau gauge at a new order, O(1/Nf2), in the large Nf expansion. The computations are simplified by the establishment in d-dimensions of the critical point equivalence of QCD and the non-abelian Thirring model beyond leading order. The form of the O(1/Nf2) coefficients in the M̄S̄ quark mass anomalous dimension at five loops is deduced and compared with the numerical asymptotic Padé approximant prediction. © 1999 Published by Elsevier Science B.V. All rights reserved.

Item Type:	Article
Additional Information:	LTH 451. arXiv Number: arXiv:hep-ph/9903410v1. Available online 7 July 1999. Issue: 1 July 1999.
Uncontrolled Keywords:	DEEP-INELASTIC SCATTERING, CRITICAL EXPONENT-ETA, 4-LOOP BETA-FUNCTION, QUANTUM ELECTRODYNAMICS, ARBITRARY DIMENSIONS, OPERATORS, CHROMODYNAMICS, APPROXIMATION, COMPUTATION, EXPANSION
Subjects:	?? QC ??
Divisions:	Faculty of Science and Engineering > School of Physical Sciences > Mathematical Sciences
Depositing User:	Symplectic Admin
Date Deposited:	01 Dec 2008 10:26
Last Modified:	14 Oct 2023 15:33
DOI:	10.1016/S0370-2693(99)00573-0
Related URLs:	Author Publisher
URI:	https://livrepository.liverpool.ac.uk/id/eprint/620