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1.
(100)
Recent developments and latest results from the xFitter project / Giuli, Francesco (CERN)
In this proceeding, the xFitter project is presented. [...]
arXiv:2205.13781. - 5 p.
Fulltext
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2.
(91)
xFitter 2.0.0: Heavy quark matching scales: Unifying the FFNS and VFNS / xFitter Developers' Team Collaboration
xFitter is an open-source package that provides a framework for the determination of the parton distribution functions (PDFs) of the proton for many different kinds of analyses in Quantum Chromodynamics (QCD). It incorporates experimental data from a wide range of experiments including fixed-target, Tevatron, HERA, and LHC. [...]
arXiv:1808.08623.- SISSA, 2018-07-23 - 6 p. - Published in : PoS DIS2018 (2018) 015 Fulltext: 1808.08623 - PDF; PoS(DIS2018)015 - PDF; arXiv:1808.08623 - PDF; External link: PoS server
In : XXVI International Workshop on Deep Inelastic Scattering and Related Subjects, Kobe, Hyogo, Japan, 16 - 20 Apr 2018, pp.015
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3.
(75)
xFitter 2.0.0: An Open Source QCD Fit Framework / xFitter Developers' Team Collaboration
xFitter is an open-source package that provides a framework for the determination of the parton distribution functions (PDFs) of the proton for many different kinds of analyses in Quantum Chromodynamics (QCD). xFitter version 2.0.0 has recently been released, and offers an expanded set of tools and options. [...]
arXiv:1709.01151.- SISSA, 2017-08-17 - 6 p. - Published in : PoS DIS2017 (2017) 203 Fulltext: PDF; Preprint: PDF; External link: PoS server
In : 25th International Workshop on Deep Inelastic Scattering and Related Topics, Birmingham, UK, 03 - 07 Apr 2017, pp.203
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4.
(73)
Recent QCD results from the xFitter project: Probing the strange content of the proton with charm production in charged current at LHeC / xFitter Developers Team Collaboration
We investigate charm production in charged-current deep-inelastic scattering (DIS) using the xFitter program. xFitter is an open-source software framework for the determination of PDFs and the analysis of QCD physics, and has been used for a variety of LHC studies. [...]
arXiv:1909.00451.- SISSA, 2019-08-16 - 6 p. - Published in : PoS DIS2019 (2019) 025 Fulltext: 1909.00451 - PDF; PoS(DIS2019)025 - PDF;
In : The XXVII International Workshop on Deep Inelastic Scattering and Related Subjects, Turin, Italy, 8 - 12 Apr 2019, pp.025
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QCD analysis of pion fragmentation functions in the xFitter framework / Abdolmaleki, Hamed (IPM, Tehran) ; Soleymaninia, Maryam (IPM, Tehran) ; Khanpour, Hamzeh (USTM, Behshahr ; IPM, Tehran) ; Amoroso, Simone (DESY) ; Giuli, Francesco (INFN, Rome2 ; Rome U., Tor Vergata) ; Glazov, Alexander (DESY) ; Luszczak, Agnieszka (Cracow Tech. U.) ; Olness, Fredrick (Southern Methodist U.) ; Zenaiev, Oleksandr (CERN) /xfitter Developers’ Team
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. [...]
arXiv:2105.11306.- 2021-09-01 - 17 p. - Published in : Phys. Rev. D 104 (2021) 056019 Fulltext: PDF; Fulltext from publisher: PDF;
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High-$x$ quark density and their impact on $Z'$-boson dilepton searches t / Giuli, Francesco (CERN)
In this proceeding, we study the influence of theoretical systematic uncertainties due to the quark density on LHC experimental searches for $Z'$-bosons. Using an approach originally proposed in the context of the ABMP16 PDF set for the high-$x$ behaviour of the quark density, we presents results on differential cross section and Forward-Backward asymmetry observables commonly used to study $Z'$ signals in dilepton channels..
arXiv:2310.14233.- 2024-01-22 - 6 p.
- Published in : PoS: EPS-HEP2023 (2024) , pp. 444 Fulltext: 2310.14233 - PDF; document - PDF;
In : 2023 European Physical Society Conference on High Energy Physics (EPS-HEP2023), Hamburg, Germany, 20 - 25 Aug 2023, pp.444
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xFitter: An Open Source QCD Analysis Framework. A resource and reference document for the Snowmass study / xFitter Collaboration
We provide an overview of the xFitter open-source software package, review the general capabilities of the program, and highlight applications relevant to the Snowmass study. [...]
arXiv:2206.12465. - 20 p.
Fulltext
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8.
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The photon PDF from high-mass Drell Yan data at the LHC / Giuli, Francesco (Oxford U.) /ATLAS analysis team
In this contribution, we review the results of [1], where a determination of the photon PDF from fits to recent ATLAS measurements of high-mass Drell-Yan dilepton production at $\sqrt{s}$ = 8 TeV is presented..
arXiv:1705.08201.- SISSA, 2017-05-25 - 7 p. - Published in : PoS DIS2017 (2018) 196 Fulltext: PDF; Preprint: PDF; External link: PoS server
In : 25th International Workshop on Deep Inelastic Scattering and Related Topics, Birmingham, UK, 03 - 07 Apr 2017, pp.196
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(48)
Exploring SMEFT couplings using the forward–backward asymmetry in neutral current Drell–Yan production at the LHC / Abdolmaleki, Hamed (IPM, Tehran ; Lorestan U.) ; Amoroso, Simone (DESY) ; Britzger, Daniel (Munich, Max Planck Inst.) ; Dattola, Filippo (DESY) ; Fiaschi, Juri (INFN, Milan Bicocca ; Milan Bicocca U.) ; Giuli, Francesco (CERN) ; Glazov, Alexander (DESY) ; Hautmann, Francesco (CERN ; Antwerp U. ; Oxford U.) ; Luszczak, Agnieszka (Cracow Tech. U.) ; Taheri Monfared, Sara (DESY) et al.
Neutral current Drell-Yan (DY) lepton-pair production is considered in the framework of the Standard Model Effective Field Theory (SMEFT). Using the open-source fit platform xFitter, we investigate the impact of high-statistics measurements of the neutral current DY (NCDY) forward-backward asymmetry $A_{\rm{FB}}$ near the weak boson mass scale in the present and forthcoming stages of the Large Hadron Collider (LHC). [...]
arXiv:2310.19638; DESY-23-160.- 2024-12-09 - 22 p. - Published in : Eur. Phys. J. C 84 (2024) 1277 Fulltext: 2310.19638 - PDF; document - PDF;
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Longitudinal Z-Boson Polarization and the Higgs Boson Production Cross Section at the Large Hadron Collider / Amoroso, S. (DESY) ; Fiaschi, J. (Liverpool U., Dept. Math. ; Munster U., ITP) ; Giuli, F. (CERN ; Rome U., Tor Vergata ; INFN, Rome) ; Glazov, A. (DESY) ; Hautmann, F. (Antwerp U. ; Oxford U., Theor. Phys.) ; Zenaiev, O. (CERN)
Charged lepton pairs are produced copiously in high-energy hadron collisions via electroweak gauge boson exchange, and are one of the most precisely measured final states in proton-proton collisions at the Large Hadron Collider (LHC). We propose that measurements of lepton angular distributions can be used to improve the accuracy of theoretical predictions for Higgs boson production cross sections at the LHC. [...]
arXiv:2012.10298.- 2021-10-10 - 7 p. - Published in : Phys. Lett. B 821 (2021) 136613 Fulltext: PDF; Fulltext from publisher: PDF;
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