Numerical Approach to One-Loop Integrals : Particles and Fields
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概要
- 論文の詳細を見る
Two numerical methods are proposed for the calculation of one-loop scalar integrals. In the first method, the singularity is cancelled by the symmetrization of the integrand and the integration is done by a Monte-Carlo method. In the second one, after the transform of the integrand into a standard form, the integral is reduced into a regular numerical integral. These methods provide us practical tools to evaluate one-loop Feynman diagrams with desired numerical accuracy. They are extended to the integral with numerator and the treatment of the one-loop virtual correction to the cross section is also presented.
- 理論物理学刊行会の論文
- 1992-05-25
著者
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KATO Kiyoshi
Department of Cosmosciences, Hokkaido University
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Shimizu Y
Department Of Physics Nagoya University
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FUJIMOTO Junpei
High Energy Accelerator Research Organization
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FUJIMOTO Junpei
National Laboratory for High Energy Physics (KEK)
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SHIMIZU Yoshimitsu
National Laboratory for High Energy Physics (KEK)
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OYANAGI Yoshio
Department of Information Science, University of Tokyo
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SHIMIZU Yoshimitsu
Department of Physics, University of Tokyo
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Shimizu Yoshimitsu
National Laboratory For High Energy Physics
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Oyanagi Yoshio
Department Of Information Science University Of Tokyo
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Fujimoto J
High Energy Accelerator Research Organization
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Kato Kiyoshi
Department Of Cosmosciences Hokkaido University
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Kato Kiyoshi
Department Of Civil Engineering National Defense Academy
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KATO Kiyoshi
Department of Physics, Kogakuin University
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SHIMIZU Yoshimitsu
National Laboratory for High Energy Physics(KEK)
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