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

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

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

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Hauptverfasser: de Doncker, E, Shimizu, Y, Fujimoto, J, Yuasa, F, Kaugars, K, Cucos, L, Van Voorst, J
Format: Artikel
Sprache:eng
Schlagworte:
Physics - High Energy Physics - Phenomenology
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Zusammenfassung:Nucl.Instrum.Meth. A534 (2004) 269-273 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.
DOI:10.48550/arxiv.hep-ph/0405098