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    QCD analysis of pion fragmentation functions in the xFitter framework

    Abdolmaleki, Hamed and Soleymaninia, Maryam and Khanpour, Hamzeh and Amoroso, Simone and Giuli, Francesco and Glazov, Alexander and Luszczak, Agnieszka and Olness, Fredrick and Zenaiev, Oleksandr (2021) QCD analysis of pion fragmentation functions in the xFitter framework. Physical Review D, 104 (056019). 056019. ISSN 2470-0029

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    We present the first open-source analysis of fragmentation functions (FFs) of charged pions (entitled IPM-xFitter) computed at next-to-leading order (NLO) and next-to-next-to-leading order (NNLO) accuracy in perturbative QCD using the xFitter framework. This study incorporates a comprehensive and up-to-date set of pion production data from single-inclusive annihilation (SIA) processes, as well as the most recent measurements of inclusive cross-sections of single pion by the BELLE collaboration. The determination of pion FFs along with their theoretical uncertainties is performed in the Zero-Mass Variable-Flavor Number Scheme (ZM-VFNS). We also present comparisons of our FFs set with recent fits from the literature. The resulting NLO and NNLO pion FFs provide valuable insights for applications in present and future high-energy analysis of pion final state processes.

    Item Type: Article
    Additional Information: Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3. Cite as: QCD analysis of pion fragmentation functions in the xFitter framework, xFitter Developers' team: Hamed Abdolmaleki and M. Soleymaninia and Hamzeh Khanpour and S. Amoroso and F. Giuli and A. Glazov and A. Luszczak and F. Olness and O. Zenaiev in Phys. Rev. D vol.104 (056019), 2021, American Physical Society, doi: 10.1103/PhysRevD.104.056019,
    Keywords: QCD analysis; pion fragmentation functions; xFitter framework; xfitter Developers’ Team; fragmentation into hadrons; quantum chromodynamics;
    Academic Unit: Faculty of Science and Engineering > Theoretical Physics
    Item ID: 14827
    Identification Number:
    Depositing User: Hamzeh Khanpour
    Date Deposited: 17 Sep 2021 14:03
    Journal or Publication Title: Physical Review D
    Publisher: American Physical Society
    Refereed: Yes
    Funders: School of Particles and Accelerators, Institute for Research in Fundamental Sciences (IPM), University of Science and Technology of Mazandaran, National Science Foundation, USA
    Use Licence: This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here

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