A4 Article in conference proceedings
The EPPS16 nuclear PDFs (2017)


Eskola, K., Paakkinen, P., Paukkunen, H., & Salgado, C. A. (2017). The EPPS16 nuclear PDFs. In DIS 2017 : Proceedings of the 25th International Workshop on Deep-Inelastic Scattering and Related Subjects (Article 197). Sissa. PoS : Proceedings of Science, DIS2017. https://pos.sissa.it/297/197/pdf


JYU authors or editors


Publication details

All authors or editors: Eskola, Kari; Paakkinen, Petja; Paukkunen, Hannu; Salgado, Carlos A.

Parent publication: DIS 2017 : Proceedings of the 25th International Workshop on Deep-Inelastic Scattering and Related Subjects

Journal or series: PoS : Proceedings of Science

ISSN: 1824-8039

eISSN: 1824-8039

Publication year: 2017

Number in series: DIS2017

Article number: 197

Publisher: Sissa

Publication country: Italy

Publication language: English

Persistent website address: https://pos.sissa.it/297/197/pdf

Publication open access: Openly available

Publication channel open access: Open Access channel

Publication is parallel published (JYX): https://jyx.jyu.fi/handle/123456789/56167

Additional information: DIS 2017 : 25th International Workshop on Deep-Inelastic Scattering and Related Subjects, 3-7 April 2017, University of Birmingham, Birmingham, UK


Abstract

We report on EPPS16 - the first analysis of NLO nuclear PDFs where LHC p-Pb data (Z, W, dijets) have been directly used as a constraint. In comparison to our previous fit EPS09, also data from neutrino-nucleus deeply-inelastic scattering and pion-nucleus Drell-Yan process are now included. Much of the theory framework has also been updated from EPS09, including a consistent treatment of heavy quarks in deeply-inelastic scattering. However, the most notable change is that we no longer assume flavour-blind nuclear modifications for valence and sea quarks. This significantly reduces the theoretical bias. All the analysed data are well reproduced and the analysis thereby supports the validity of collinear factorization in high-energy collisions involving heavy nuclei. However, flavour by flavour, the uncertainties are still rather large.


Free keywords: nuclear PDFs; Elementary particles; High energy physics; Lead; Partons; Nucleons; Inelastic Scattering


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Ministry reporting: Yes

Reporting Year: 2017

JUFO rating: 0


Last updated on 2021-09-06 at 09:40