TL;DR
The paper discusses the future experimental program of the COMPASS experiment at CERN, focusing on measurements related to nucleon structure, including deep virtual Compton scattering, meson production, and Drell-Yan reactions, along with necessary upgrades.
Contribution
It outlines the planned measurements and hardware upgrades for the upcoming COMPASS program to study nucleon structure in detail.
Findings
Projected constraints on generalized parton distribution H
Determination of the transverse size of the nucleon
Insights into transverse-momentum dependent parton distribution functions
Abstract
COMPASS at CERN is preparing for a new series of measurements on the nucleon structure comprising deep virtual Compton scattering and hard exclusive meson production using muon beams, as well as Drell-Yan reactions using a polarised proton target and a negative pion beam. The former will mainly constrain the generalised parton distribution H and determine the transverse size of the nucleon, while the latter measurements will provide information on transverse-momentum dependent parton distribution functions. The projected results of the programme and the necessary hardware upgrades are discussed.
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