Loop integration results using numerical extrapolation for a non-scalar integral

Details Loop integration results using numerical extrapolation for a non-scalar integral Loop integration results using numerical extrapolation for a non-scalar integral

2004-05-12

arxiv.org/abs/hep-ph/0405098v2

Nucl.Instrum.Meth. A534 (2004) 269-273

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 3 figures, revised, contribution to ACAT03 (Dec. 2003)

Scientific paper

10.1016/j.nima.2004.07.099

Loop integration results have been obtained using numerical integration and extrapolation. An extrapolation to the limit is performed with respect to a parameter in the integrand which tends to zero. Results are given for a non-scalar four-point diagram. Extensions to accommodate loop integration by existing integration packages are also discussed. These include: using previously generated partitions of the domain and roundoff error guards.

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