Effective Field Theory for Ultrasoft Momenta in NRQCD and NRQED

Preprint

11 February 1998

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.hep-ph/9707481

Abstract

We propose an effective field theory for heavy quark-antiquark bound states once the soft gluons have been integrated out. We also give new results for the matching between QCD (QED) and NRQCD (NRQED).

Keywords

EFFECTIVE FIELD THEORY
ULTRASOFT MOMENTA
FIELD THEORY
HEAVY QUARK
NRQCD
NRQED
QCD

All Related Versions

Version 1, 1997-07-26, ArXiv
Version 2, 1998-02-11, ArXiv
Published version: Nuclear Physics B - Proceedings Supplements, 64 (1-3), 428.

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