APPLICATION OF CONFORMAL MAPPING AND PADE APPROXIMANTS (OMEGA-PS) TO THE CALCULATION OF VARIOUS 2-LOOP FEYNMAN DIAGRAMS

Fleischer J, TARASOV OV (1994)
NUCLEAR PHYSICS B: 115-119.

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Zeitschriftenaufsatz | Veröffentlicht | Englisch
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Abstract / Bemerkung
Feynman diagrams are calculated by means of their Taylor series expansion in terms of external momenta squared. It is demonstrated in various examples that by the application of conformal mapping and Pade approximants, it is possible to obtain high precision results in the spacelike as well as in the timelike region on the cut. Examples are given for two- and three-point functions, but in principle the method is applicable also to four-point functions.
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NUCLEAR PHYSICS B
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115-119
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Fleischer J, TARASOV OV. APPLICATION OF CONFORMAL MAPPING AND PADE APPROXIMANTS (OMEGA-PS) TO THE CALCULATION OF VARIOUS 2-LOOP FEYNMAN DIAGRAMS. NUCLEAR PHYSICS B. 1994:115-119.
Fleischer, J., & TARASOV, O. V. (1994). APPLICATION OF CONFORMAL MAPPING AND PADE APPROXIMANTS (OMEGA-PS) TO THE CALCULATION OF VARIOUS 2-LOOP FEYNMAN DIAGRAMS. NUCLEAR PHYSICS B, 115-119.
Fleischer, J., and TARASOV, O. V. (1994). APPLICATION OF CONFORMAL MAPPING AND PADE APPROXIMANTS (OMEGA-PS) TO THE CALCULATION OF VARIOUS 2-LOOP FEYNMAN DIAGRAMS. NUCLEAR PHYSICS B, 115-119.
Fleischer, J., & TARASOV, O.V., 1994. APPLICATION OF CONFORMAL MAPPING AND PADE APPROXIMANTS (OMEGA-PS) TO THE CALCULATION OF VARIOUS 2-LOOP FEYNMAN DIAGRAMS. NUCLEAR PHYSICS B, , p 115-119.
J. Fleischer and O.V. TARASOV, “APPLICATION OF CONFORMAL MAPPING AND PADE APPROXIMANTS (OMEGA-PS) TO THE CALCULATION OF VARIOUS 2-LOOP FEYNMAN DIAGRAMS”, NUCLEAR PHYSICS B, 1994, pp. 115-119.
Fleischer, J., TARASOV, O.V.: APPLICATION OF CONFORMAL MAPPING AND PADE APPROXIMANTS (OMEGA-PS) TO THE CALCULATION OF VARIOUS 2-LOOP FEYNMAN DIAGRAMS. NUCLEAR PHYSICS B. 115-119 (1994).
Fleischer, Jochem, and TARASOV, OV. “APPLICATION OF CONFORMAL MAPPING AND PADE APPROXIMANTS (OMEGA-PS) TO THE CALCULATION OF VARIOUS 2-LOOP FEYNMAN DIAGRAMS”. NUCLEAR PHYSICS B (1994): 115-119.

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