Journal
PROGRESS IN PARTICLE AND NUCLEAR PHYSICS
Volume 119, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.ppnp.2021.103858
Keywords
QCD; Polarized hadron collisions; TMD factorization; Gluon TMD PDFs; Proton and deuteron spin structure; Spin asymmetries
Categories
Funding
- Spanish MICINN [PID2019106080GBC21]
- Ministry of education and science of Russia [FSSS20200014]
- European Union's Horizon 2020 research and innovation programme [824093]
- French CNRS via the IN2P3 project GLUE@NLO
- P2IO Labex via the Gluodynamics project
- French ANR via the PRC PrecisOnium project
- French CNRS via the FrancoChinese LIA FCPPL (Quarkonium4AFTER)
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The SPD is a future multipurpose experiment to study the gluon content of nucleons using various probes. It aims to investigate phenomena such as gluon helicity, Sivers functions, and Boer-Mulders functions, as well as measure single and double spin asymmetries.
The Spin Physics Detector (SPD) is a future multipurpose experiment foreseen to run at the NICA collider, which is currently under construction at the Joint Institute for Nuclear Research (JINR, Dubna, Russia). The physics program of the experiment is based on collisions of longitudinally and transversely polarized protons and deuterons at root s up to 27 GeV and luminosity up to 1032 cm & minus;2 s & minus;1. SPD will operate as a universal facility for the comprehensive study of the unpolarized and polarized gluon content of the nucleon, using complementary probes such as: charmonia, open-charm, and prompt-photon production processes.& nbsp; The aim of this work is to provide a thorough review of the physics objectives that can potentially be addressed at SPD, underlining related theoretical aspects and discussing relevant experimental results when available. Among different pertinent phenomena particular attention is drawn to the study of the gluon helicity, gluon Sivers & nbsp;and Boer-Mulders functions in the nucleon, as well as the gluon transversity distribution in the deuteron, via the measurement of single and double spin asymmetries. (C) 2021 Elsevier B.V. All rights reserved.
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