5. Theoretical Physics (CSN4)

Going beyond traditional parton showers: amplitude-level evolution

by Prof. Jeffrey Robert Forshaw (Manchester Univ.)

Europe/Rome
Aula Seminari (LNF)

Aula Seminari

LNF

Via Enrico Fermi, 40 00044 Frascati (Roma)
Description
I will explain how traditional parton showers, as implemented in the major general purpose monte carlo codes, are fundamentally limited in their accuracy and how that situation can be improved via a new amplitude-level algorithm that includes, amongst other things, Coulomb gluon exchanges between incoming and outgoing partons. Coulomb gluons are responsible for the breaking of soft-collinear factorization and they are what generates the underlying event and diffraction.
Slides
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