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1.
Modern Feynman Diagrammatic One-Loop Calculations / Reiter, Thomas (NIKHEF, Amsterdam) ; Cullen, Gavin (Edinburgh U.) ; Greiner, Nicolas (Illinois U., Urbana) ; Guffanti, Alberto (Freiburg U.) ; Guillet, Jean-Philippe (Annecy, LAPTH) ; Heinrich, Gudrun (Durham U., IPPP) ; Karg, Stefan (Aachen, Tech. Hochsch.) ; Kauer, Nikolas (Royal Holloway, U. of London) ; Kleinschmidt, Tobias (Durham U., IPPP) ; Koch-Janusz, Maciej (NIKHEF, Amsterdam) et al.
In this talk we present techniques for calculating one-loop amplitudes for multi-leg processes using Feynman diagrammatic methods in a semi-algebraic context. Our approach combines the advantages of the different methods allowing for a fast evaluation of the amplitude while monitoring the numerical stability of the calculation. [...]
arXiv:1011.6632.- 2010 - 11 p. - Published in : PoS: CPP2010 (2010) , pp. 003
Fulltext: arXiv:1011.6632 - PDF; 1011.6632 - PDF; CPP2010_003 - PDF; External link: Proceedings of Science Server
2.
Next-to-leading order multi-leg processes for the Large Hadron Collider / Binoth, Thomas (Edinburgh U.) ; Reiter, Thomas (Edinburgh U.) ; Andersen, Jeppe R. (CERN) ; Heinrich, Gudrun (Durham U., IPPP) ; Smillie, Jennifer M. (Durham U., IPPP) ; Guillet, Jean-Philippe (Annecy, LAPTH) ; Sanguinetti, Gregory (Annecy, LAPTH) ; Karg, Stefan (RWTH Aachen U.) ; Kauer, Nikolas (Wurzburg U.)
In this talk we discuss recent progress concerning precise predictions for the LHC. We give a status report of three applications of our method to deal with multi-leg one-loop amplitudes: The interference term of Higgs production by gluon- and weak boson fusion to order O(alpha^2 alpha_s^3) and the next-to-leading order corrections to the two processes pp -> ZZ jet and u ubar -> d dbar s sbar. [...]
arXiv:0801.1616; EDINBURGH-2008-2; LAPTH-1233-08; CERN-PH-TH-2008-008; IPPP-08-01; PITHA-08-02; CERN-PH-TH-2008-008; EDINBURGH-2008-2; IPPP-2008-01; LAPTH-2008-1233; PITHA-2008-02.- 2007 - 6 p. - Published in : PoS RAD COR 2007 (2007) 008 Fulltext: arXiv:0801.1616 - PDF; RAD COR 2007_008 - PDF; Published version from PoS: PDF; External link: Proceedings of Science Server
In : 8th International Symposium on Radiative Corrections, Florence, Italy, 1 - 6 Oct 2007, pp.008

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