Jul 6 – 13, 2022
Bologna, Italy
Europe/Rome timezone

NLL accurate PanScales showers for hadron collisions

Jul 8, 2022, 3:30 PM
Room 1 (Europa Auditorium)

Room 1 (Europa Auditorium)

Parallel Talk Strong interactions and Hadron Physics Strong interactions and Hadron Physics


Silvia Ferrario Ravasio (University of Oxford)


Monte Carlo event generators, including their core parton-shower component, are crucial for a wide range of physics applications at colliders. However, the current “leading logarithmic” (LL) accuracy of parton showers is increasingly becoming a limiting factor in precision applications. This talk presents new “PanScales” dipole showers for hadron collisions, focusing on the physical characteristics of the showers that are required to achieve NLL accuracy. I will then demonstrate that the implementations of the new showers reproduce NLL accuracy as expected, with explicit comparisons to all-order resummation results across a wide range of observables in Drell-Yan and gluon-fusion Higgs production, including the Drell-Yan and Higgs boson transverse momentum distributions, and jet veto acceptances.

In-person participation Yes

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