HQET quark-gluon vertex at one loop

Authors
Davydychev, AI Grozin, AG
Citation
Ai. Davydychev et Ag. Grozin, HQET quark-gluon vertex at one loop, EUR PHY J C, 20(2), 2001, pp. 333-342
Citations number
28
Categorie Soggetti
Physics
Journal title
EUROPEAN PHYSICAL JOURNAL C
ISSN journal
14346044 → ACNP
Volume
20
Issue
2
Year of publication
2001
Pages
333 - 342
Database
ISI
SICI code
1434-6044(200104)20:2<333:HQVAOL>2.0.ZU;2-G
Abstract
We calculate the HQET quark-gluon vertex at one loop, for arbitrary externa l momenta in an arbitrary covariant gauge and space-time dimension. Relevan t results and algorithms for the three-point HQET integrals are presented. We also show how one can obtain the HQET limit directly from QCD results fu r the quark-gluon vertex.