First simultaneous analysis of transverse momentum dependent \\ and collinear parton distributions in the proton
ORAL
Abstract
Our study incorporates data from deep-inelastic scattering, Drell-Yan, inclusive weak boson, W+charm, and jet production involving PDFs, as well as TMD Drell-Yan and Z-boson production data from fixed target and collider experiments sensitive to both TMD and collinear distributions.
The analysis is performed at next-to-next-to-leading logarithmic accuracy for QCD resummation in TMD observables and next-to-leading order for observables described in collinear factorization.
The combined analysis improves knowledge of both TMD and collinear PDFs, particularly in the sea-quark sector, providing a consistent simultaneous description of the aforementioned observables.
*This work was supported by the U.S.~Department of Energy, Office of Science, Office of Nuclear Physics, contract No.~DE-AC02-06CH11357 (P.B. and E.M.), the Scientific Discovery through Advanced Computing (SciDAC) award {\it Femtoscale Imaging of Nuclei using Exascale Platforms} (P.B.), by the U.S. Department of Energy contract No.~DE-AC05-06OR23177, under which Jefferson Science Associates, LLC operates Jefferson Lab (T.A., W.M., A.P., J.Q., and N.S.), contract No.~DE-SC0026320 (L.G.), the National Science Foundation under Grants No.~PHY-2308567 (D.P.), and No.~PHY-2310031, No.~PHY-2335114 (A.P.).The work of N.S. and R.W. was supported by the DOE, Office of Science, Office of Nuclear Physics in the Early Career Program.This project is supported by the European Union Horizon research Marie Skłodowska-Curie Actions – Staff Exchanges, HORIZON-MSCA-2023-SE-01-101182937-HeI, DOI: 10.3030/101182937 (A.V., A.P., J.Q., N.S.) and No. 2020-T1/TIC-20204 (A.V.)This work has benefited by interactions within the Quark-Gluon Tomography (QGT) Topical Collaboration funded by the U.S. Department of Energy, Office of Science, Office of Nuclear Physics with Award DE-SC0023646.
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Presenters
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Alexei Prokudin
- Penn State Berks