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Two-Loop QCD Helicity Amplitudes for $e^+e^- \to 3$ Jets / Garland, L.W. (Durham U.) ; Gehrmann, T. (CERN) ; Glover, E.W.Nigel (Durham U.) ; Koukoutsakis, A. (Durham U.) ; Remiddi, E. (Bologna U. ; INFN, Bologna)
We compute the two-loop QCD helicity amplitudes for the process $e^+e^- \to q\bar q g$. The amplitudes are extracted in a scheme-independent manner from the coefficients appearing in the general tensorial structure for this process. [...]
hep-ph/0206067; IPPP-02-28; DCPT-02-56; CERN-TH-2002-122; CERN-TH-2002-122; DCTP-2002-56-A; IPPP-2002-28-A.- Geneva : CERN, 2002 - 26 p. - Published in : Nucl. Phys. B 642 (2002) 227-262 Access to fulltext document: PDF; External link: Preprint

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The two-loop QCD matrix element for $e^{+}e^{-} \to 3$ jets / Garland, L.W. (Durham U.) ; Gehrmann, T. (CERN) ; Glover, E.W.Nigel (Durham U.) ; Koukoutsakis, A. (Durham U.) ; Remiddi, E. (Bologna U. ; INFN, Bologna)
We compute the ${\cal O}(\alpha_s^3)$ virtual QCD corrections to the $\gamma^*\to q\bar q g$ matrix element arising from the interference of the two-loop with the tree-level amplitude and from the self-interference of the one-loop amplitude. The calculation is performed by reducing all loop integrals appearing in the two-loop amplitude to a small set of known master integrals. [...]
hep-ph/0112081; IPPP-01-59; DCPT-01-118; CERN-TH-2001-348; CERN-TH-2001-348; DCTP-2001-118; IPPP-2001-59.- Geneva : CERN, 2002 - 52 p. - Published in : Nucl. Phys. B 627 (2002) 107-188 Access to fulltext document: PDF; External link: Preprint - Please contact the library if you need to access this document.

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