Box diagrams with nonvanishing external four-momenta in gauge theories

1 November 1979

journal article
research article
Published by American Physical Society (APS) in Physical Review D

Vol. 20 (9) , 2441-2444
https://doi.org/10.1103/physrevd.20.2441

Abstract

Feynman integrals associated with box diagrams with massive-external-quark lines have been evaluated and the results used to estimate modifications to some quantities of physical interest previously derived in the zero-external-momentum approximation.

Keywords

EXTERNAL
FEYNMAN
NONVANISHING
MASSIVE
MOMENTA
INTEREST
QUARK
BOX DIAGRAMS

This publication has 2 references indexed in Scilit:

Mixing of States Containing Heavy Quarks
Physical Review Letters, 1977
Observation of the Decay ${D^{*}}^{+} \to D^{0} π^{+}$
Physical Review Letters, 1977