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Constraining the nuclear gluon PDF with inclusive hadron production data

by P. Duwentäster, L. A. Husová, T. Ježo, M. Klasen, K. Kovařík, A. Kusina, K. F. Muzakka, F. I. Olness, I. Schienbein, J.Y. Yu

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Submission summary

Authors (as Contributors): Pit Duwentäster
Submission information
Preprint link: scipost_202107_00023v1
Date accepted: 2022-03-07
Date submitted: 2021-07-14 09:42
Submitted by: Duwentäster, Pit
Submitted to: SciPost Physics Proceedings
Proceedings issue: DIS2021
Ontological classification
Academic field: Physics
Specialties:
  • High-Energy Physics - Theory
Approach: Theoretical

Abstract

The nuclear parton distribution functions (nPDFs) of gluons are known to be difficult to determine with fits of deep inelastic scattering (DIS) and Drell-Yan (DY) data alone. Therefore, the nCTEQ15 analysis of nuclear PDFs added inclusive neutral pion production data from RHIC to help in constraining the gluon. In this analysis, we present a new global analysis of nuclear PDFs based on a much larger set of single inclusive light hadron data from RHIC and the LHC. Using our new nCTEQ code (nCTEQ++) with an optimized version of INCNLO we study systematically the limitations of the theory and the impact of the fragmentation function uncertainty.

Published as SciPost Phys. Proc. 8, 045 (2022)



Submission & Refereeing History

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Submission scipost_202107_00023v1 on 14 July 2021

Reports on this Submission

Anonymous Report 1 on 2022-3-1 (Invited Report)

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Important result and great study. Recommend for publication.
Looking forward to seeing if the study could be extended to include eA diffractive processes to extract nPDF.

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