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Parton distribution functions of the charged pion within the xFitter framework

We present the first open-source analysis of parton distribution functions (PDFs) of charged pions using xFitter, an open-source QCD fit framework to facilitate PDF extraction and analyses. Our calculations are implemented at next-to-leading order (NLO) using applgrids generated by the mcfm generato...

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Main Authors: Novikov, Ivan (Author) , Abdolmaleki, Hamed (Author) , Britzger, Daniel (Author) , Cooper-Sarkar, Amanda (Author) , Giuli, Francesco (Author) , Glazov, Alexander (Author) , Kusina, Aleksander (Author) , Luszczak, Agnieszka (Author) , Olness, Fred (Author) , Starovoitov, Pavel (Author) , Sutton, Mark (Author) , Zenaiev, Oleksandr (Author)
Format: Article (Journal)
Language:English
Published: 23 July 2020
In: Physical review
Year: 2020, Volume: 102, Issue: 1
ISSN:2470-0029
DOI:10.1103/PhysRevD.102.014040
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevD.102.014040
Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevD.102.014040
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Author Notes:Ivan Novikov, Hamed Abdolmaleki, Daniel Britzger, Amanda Cooper-Sarkar, Francesco Giuli, Alexander Glazov, Aleksander Kusina, Agnieszka Luszczak, Fred Olness, Pavel Starovoitov, Mark Sutton, and Oleksandr Zenaiev
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Summary:We present the first open-source analysis of parton distribution functions (PDFs) of charged pions using xFitter, an open-source QCD fit framework to facilitate PDF extraction and analyses. Our calculations are implemented at next-to-leading order (NLO) using applgrids generated by the mcfm generator. Using currently available Drell-Yan and photon production data, we find the valence distribution is well constrained; however, the considered data are not sensitive enough to unambiguously determine sea and gluon distributions. Fractions of momentum carried by the valence, sea and gluon components are discussed, and we compare with the results of the JAM collaboration and the GRV group.
Item Description:Gesehen am 07.09.2020
Physical Description:Online Resource
ISSN:2470-0029
DOI:10.1103/PhysRevD.102.014040

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