Factorisation and Subtraction beyond NLO

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• Lorenzo Magnea (Torino)
• Thursday 17 January 2019, 16:00-17:30
• MR19 (Potter Room, Pavilion B), CMS.

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

I will discuss the problem of subtraction of infrared singularities for scattering amplitudes and cross sections relevant for collider phenomenology. In particular, I will focus on the relation between the factorisation of soft and collinear poles in fixed-angle scattering amplitudes and the construction of local counterterms for singular contributions to real radiation. This approach leads to general definitions of soft and collinear counterterms to all orders in perturbation theory, and suggests promising simplifications for the construction of subtraction algorithms beyond NLO .

The slides of the presentation can be found here

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

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