Eur. Phys. J. C 24, 385-391 (2002)
IR finite one-loop box scalar integral with massless internal linesG. Duplancic and B. Nizic
Theoretical Physics Division, Rudjer Boskovic Institute, P.O. Box 180, 10002 Zagreb, Croatia
(Received: 31 January 2002 / Published online: 26 April 2002 - © Springer-Verlag / Società Italiana di Fisica 2002 )
The IR finite one-loop box scalar integral with massless internal lines has been recalculated. The result is very compact, simple and valid for arbitrary values of the relevant kinematic variables. It is given in terms of only two dilogarithms and a few logarithms, all of very simple arguments.
© Società Italiana di Fisica, Springer-Verlag 2002