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Numerical Approach To Two-Loop Three Point Functions With Masses

Author

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  • Junpei FUJIMOTO

    (National Laboratory for High-Energy Physics (KEK), Oho 1–1, Tsukuba, Ibaraki 305, Japan)

  • Yoshimitsu SHIMIZU

    (National Laboratory for High-Energy Physics (KEK), Oho 1–1, Tsukuba, Ibaraki 305, Japan)

  • Kiyoshi KATO

    (Kogakuin University, Nishi-Shinjuku, 1–24, Shinjuku, Tokyo 160, Japan)

  • Toshiaki KANEKO

    (Meiji-Gakuin University, Kamikurata 1518, Totsuka, Yokohama 244, Japan)

Abstract

Extending the method successful for one-loop integrals, the computation of two-loop diagrams with general internal masses is discussed. For the two-loop vertex of nonplanar type, as an example, we show a calculation related to$Z^0 \to t\bar t$vertex.

Suggested Citation

  • Junpei FUJIMOTO & Yoshimitsu SHIMIZU & Kiyoshi KATO & Toshiaki KANEKO, 1995. "Numerical Approach To Two-Loop Three Point Functions With Masses," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 6(04), pages 525-530.
    • Handle: RePEc:wsi:ijmpcx:v:06:y:1995:i:04:n:s0129183195000381
    DOI: 10.1142/S0129183195000381
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