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16–19 Feb 2023
Banff Centre
Canada/Mountain timezone

AI/ML for Semi-Inclusive and Exclusive DIS Measurements

17 Feb 2023, 12:00
15m
KC 303 (Banff Centre)

KC 303

Banff Centre

Contributed Oral Particle Physics February 17 Morning Session

Speaker

Stjepan Oresic (University of Regina)

Description

Deep Inelastic Scattering (DIS) is described by an exchange of virtual photons or, at high energies, the $Z^0$. The distinctive characteristic of DIS in contrast to many processes (such as $pp$ at the LHC or $pA$ at the RHIC) is that the kinematics are precisely computable from the leptonic (and hadronic) final state at all orders. DIS reconstruction has a strong dependence on the collision reconstruction quality and the underlying detector resolutions. The classical methods are an option for reconstruction with certain limitations, such as higher order QED radiation effects. Our approach is a neural network method for reconstruction which introduces smaller systematic errors in deep-inelastic scattering, since it has the advantage of weighting classical reconstructions and effectively utilizing information all over the available phasespace. This has been previously studied for the ZEUS experiment and applied to inclusive measurements with impressive results. The study involves using EIC simulations and collider data from ZEUS to apply the new method on the EPIC detector and extend it to exclusive measurements, which will be a novel approach.

Your Email soy062@uregina.ca
Supervisor Zisis Papandreou
Supervisor Email zisis@uregina.ca
Funding Agency NSERC

Primary author

Stjepan Oresic (University of Regina)

Presentation materials