Evaluation of longitudinal double-spin asymmetry measurements in semi-inclusive deep-inelastic scattering from the proton for the ECCE detector design
Authors
Van Hulse, Charlotte Bárbara SIdentifiers
Permanent link (URI): http://hdl.handle.net/10017/60258DOI: 10.1016/j.nima.2023.168563
ISSN: 0168-9002
Publisher
Elsevier
Date
2023-07-22Embargo end date
2025-07-22Bibliographic citation
Van Hulse, C. [et al.], 2023, “Evaluation of longitudinal double-spin asymmetry measurements in semi-inclusive deep-inelastic scattering from the proton for the ECCE detector design”, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 1056, art. no. 168563, pp. 1-12.
Keywords
ECCE
Electron-ion collider
Semi-inclusive deep-inelastic scattering
Helicity parton distribution functions
Document type
info:eu-repo/semantics/article
Version
info:eu-repo/semantics/acceptedVersion
Publisher's version
https://doi.org/10.1016/j.nima.2023.168563Rights
Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)
© 2023 Elsevier
Access rights
info:eu-repo/semantics/embargoedAccess
Abstract
The evaluation of the measurement of double-spin asymmetries for charge-separated pions and kaons produced in deep-inelastic
scattering from the proton using the ECCE detector design concept is presented, for the combinations of lepton and hadron beam
energies of 5 × 41 GeV2
and 18 × 275 GeV2
. The study uses unpolarised simulated data that are processed through a full GEANT
simulation of the detector. These data are then reweighted at the parton level with DSSV helicity distributions and DSS fragmen tation functions, in order to generate the relevant asymmetries, and subsequently analysed. The performed analysis shows that the
ECCE detector concept provides the resolution and acceptance, with a broad coverage in kinematic phase space, needed for a robust
extraction of asymmetries. This, in turn, allows for a precise extraction of sea-quark helicity distributions.
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