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Evaluation of a Class of Two-Scale Three-Loop Vacuum Diagrams | J.-M. Chung
; B. K. Chung
; | Date: |
15 Mar 2002 | Journal: | J.Korean Phys.Soc. 40 (2002) 435-442 | Subject: | hep-ph | Abstract: | As a generalization of a previous work [Phys. Rev. D. {f 59}, 105014 (1999)], we compute analytically a class of three-loop vacuum diagrams with two {em arbitrarily} different mass scales. We use a decomposition algorithm in which the integrand of the final integral for the third momentum vector, say, $k$, becomes independent of the angles of $k$-vector in spherical polar coordinates. This algorithm proves to be very efficient in obtaining exclusively all $e$-pole terms of the given diagram. | Source: | arXiv, hep-ph/0203143 | Services: | Forum | Review | PDF | Favorites |
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