SMALL x DIVERGENCES IN THE SIMILARITY RG APPROACH TO LF QCD-Reference-Cited by-同舟云学术

SMALL x DIVERGENCES IN THE SIMILARITY RG APPROACH TO LF QCD

Published:2002-01-20 Issue:02 Volume:17 Page:59-81
ISSN:0217-7323
Container-title:Modern Physics Letters A
language:en
Short-container-title:Mod. Phys. Lett. A

Author:

BRISUDOVA MARTINA¹²

Affiliation:

1. Department of Physics, University of Florida, P. O. Box 118440, Gainesville, FL 32611, USA

2. Nuclear Theory Center, Indiana University, 2401 Milo B. Sampso Lane, Bloomington, IN 47408, USA

Abstract

We study small x divergences in boost invariant similarity renormalization group approach to light-front QCD in a heavy quark–antiquark state. With the boost invariance maintained, the infrared divergences do not cancel out in the physical states, contrary to previous studies where boost invariance was violated by a choice of a renormalization scale. This may be an indication that the zero mode, or nontrivial light-cone vacuum structure, might be important for recovering full Lorentz invariance.

Publisher

World Scientific Pub Co Pte Lt

Subject

General Physics and Astronomy,Astronomy and Astrophysics,Nuclear and High Energy Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0217732302006308

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