5–9 Sept 2011
Europe/London timezone

Numerical evaluation of one-loop QCD amplitudes

8 Sept 2011, 14:00
25m
Parallel talk Track 3: Computations in Theoretical Physics - Techniques and Methods Thursday 08th - Computations in Theoretical Physics

Speaker

Mr Benedikt Biedermann (Humboldt Universität zu Berlin)

Description

We present the publicly available program NGLUON allowing the numerical evaluation of colour-ordered amplitudes at one-loop order in massless QCD. The program allows the evaluation of one-loop amplitudes for an arbitrary number of gluons. We discuss in detail the speed as well as the numerical stability. In addition the packages allows the evaluation of one-loop scattering amplitudes using extended floating point precision. Furthermore we discuss the extension to one-loop amplitudes including massless quarks and show some phenomenological applications.

Primary author

Mr Benedikt Biedermann (Humboldt Universität zu Berlin)

Co-authors

Prof. Peter Uwer (Humboldt Universität zu Berlin) Dr Simon Badger (Niels Bohr Institute, Copenhagen)

Presentation materials

Peer reviewing

Paper