University of Cambridge > Talks.cam > HEP phenomenology joint Cavendish-DAMTP seminar > Numerical stability in hard and infrared regions in OpenLoops2

Numerical stability in hard and infrared regions in OpenLoops2

Add to your list(s) Download to your calendar using vCal

If you have a question about this talk, please contact Mathieu Pellen.

I will introduce the new OpenLoops release “OpenLoops2”, a fully automated algorithm for extreme one-loop computations. This new release features public process libraries for complete one-loop corrections in the SM using a new helicity treatment and a new reduction method for tree-loop interferences. The simplicity and flexibility of the so-called on-the-fly reduction allows to isolate numerical instabilities in the amplitude for critical phase-space regions. I will address in detail sources of numerical instabilities in hard and infrared regions in the before mentioned framework and present analytic and numerical methods to cure them. Finally, I will present performance and stability benchmarks and compare with other state-of-the art reduction methods.

The slides of the presentation can be found here

This talk is part of the HEP phenomenology joint Cavendish-DAMTP seminar series.

Tell a friend about this talk:

This talk is included in these lists:

Note that ex-directory lists are not shown.

 

© 2006-2019 Talks.cam, University of Cambridge. Contact Us | Help and Documentation | Privacy and Publicity