The LHCspin project
M. Santimaria, V. Carassiti, G. Ciullo, P. Di Nezza, P. Lenisa, S., Mariani, L. L. Pappalardo, E. Steffens

TL;DR
The LHCspin project aims to expand the LHCb detector's capabilities to include polarized physics in fixed-target collisions, opening new research opportunities in unexplored kinematic regions.
Contribution
It introduces the LHCspin project, extending LHCb's fixed-target program to polarized physics for Run 4 and beyond, with a detailed experimental setup and physics potential.
Findings
Potential to explore new kinematic regions at the LHC
Implementation of a polarized target system in LHCb
Enhanced physics insights from polarized fixed-target collisions
Abstract
Broad and unexplored kinematic regions can be accessed at the LHC with fixed-target , and collisions at . The LHCb detector is a fully-instrumented forward spectrometer able to run in fixed-target mode, and currently hosts a target gas cell to take data in the upcoming Run 3. The LHCspin project aims at extending this physics program to Run 4 and to bring polarised physics at the LHC. An overview of the physics potential and a description of the LHCspin experimental setup are presented.
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