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Department of Mathematical Sciences

Seminar Archives

On this page you can find information about seminars in this and previous academic years, where available on the database.

CPT Student Seminar: An on-shell approach to one-loop amplitudes with massive fermions using unitarity cuts

Presented by Francesco Buciuni, Durham University

30 January 2017 17:00 in OC218

We show how one-loop amplitudes with massive fermions can be computed using generalised unitarity. With this approach, the divergent on-shell cuts can be avoided and the additional information is extracted from the universal IR poles in 4-2ε dimensions and UV poles in 6-2ε dimensions. The aim is to address the formal problem of whether a purely on-shell formulation of amplitudes with masses is possible or not.

Contact Daniel Martin for more information

A gathering of mathematicians from the CPT group with physicists from IPPP, we meet to discuss our work in a relaxed and friendly environment.

An archive of previous years talks is kept here.