Henryk Niewodniczanski Institute of Nuclear Physics, PAS
Investigation of polarization in high-energy scattering processes at the Large Hadron Collider to stress-test the Standard Model.
rruiz@ifj.edu.pl
Polarization of precision scattering in colliders with large energies Physical Engineering
Is it possible to improve the description (accuracy) of polarized particles in high-energy scattering processes at the Large Hadron Collider?
The POPSICLE project is investigating whether it is possible to improve the description (accuracy) of polarized particles in high-energy scattering processes at the Large Hadron Collider (LHC). Carrying out this work is a multi-step process. Phase 1 involves revisiting the theoretical formalism for precisely deriving unpolarized particle scattering at next-to-leading order in perturbative QCD. The task at hand is to extend the present theoretical formalism for polarized-particle scattering at leading order in perturbation theory (Buarque Franzosi, Mattelaer, Ruiz, Shil ('20)) to next-to-leading order in QCD. Phase 2 comprises implementing this work into an open-sourced Monte Carlo event generator, i.e., a forecasting software tool for collider physics. Phase 3 involves using this new tool to investigate the impact polarization measurements in Standard Model processes at the LHC. Phase 4 covers investigating potentially improved sensitivity to new physics at the LHC.
Richard Ruiz obtained his PhD in Physics from the University of Pittsburgh in the USA in 2015. He joined Durham University in the UK in 2016 and carried out his postdoctoral research there until 2018. As a research fellow at the University of Louvain, Richard Ruiz continued his investigations in the area of theoretical high energy physics / particle physics until 2020. In 2021 he joined Henryk Niewodniczanski Institute of Nuclear Physics of the Polish Academy of Sciences.
Cai, Yi, et al. (2018). Lepton Number Violation: Seesaw Models and Their Collider Tests. Frontiers in Physics, 6, 40.
Mattelaer, O. & Ruiz, R. E. (2019). Automated Predictions for Polarized Parton Scattering. Journal of High Energy Physics, 82.
Buarque Franzosi, Diogo, et al. (2022). Vector boson scattering processes: Status and prospects. Reviews in Physics, 8, 100071.
152 Radzikowskiego 31-342 Kraków, Poland
Supervisor
Aleksander Kusina, PhD
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