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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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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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New opportunities at the photon energy frontier
/ Klein, Spencer (LBNL, NSD) ; Tapia Takaki, Daniel (Kansas U.) ; Adam, Jaroslav (Brookhaven) ; Aidala, Christine (Michigan U.) ; Angerami, Aaron (LLNL, Livermore) ; Audurier, Benjamin (Ecole Polytechnique) ; Bertulani, Carlos (Texas A-M, Commerce) ; Bierlich, Christian (Lund U., Dept. Theor. Phys.) ; Blok, Boris (Technion) ; Brandenburg, James Daniel (Brookhaven) et al.
Ultra-peripheral collisions (UPCs) involving heavy ions and protons are the energy frontier for photon-mediated interactions. [...]
arXiv:2009.03838.
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10 p.
eConf - Fulltext
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Forward-Backward Drell-Yan Asymmetry and PDF Determination
/ Abdolmaleki, H. (Unlisted) ; Accomando, E. (Unlisted) ; Bertone, V. (Unlisted) ; Fiaschi, J. (Unlisted) ; Giuli, F. (Unlisted) ; Glazov, A. (Unlisted) ; Hautmann, F. (Unlisted) ; Luszczak, A. (Unlisted) ; Moretti, S. (Unlisted) ; Novikov, I. (Unlisted) et al.
We investigate the impact of high-statistics Drell-Yan (DY) measurements at the LHC on the study of non-perturbative QCD effects from parton distribution functions (PDF). We present the results of a PDF profiling analysis based on the neutral-current DY forward-backward asymmetry, using the open source fit platform xFitter..
arXiv:1907.08301; CERN-TH-2019-116.-
ARISF, 2019 - 4 p.
- Published in : , pp. 211-214
Fulltext: PDF;
In : 54th Rencontres de Moriond on QCD and High Energy Interactions, La Thuile, Italy, 23 - 30 Mar 2019, pp.211-214
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PDF Profiling Using the Forward-Backward Asymmetry in Neutral Current Drell-Yan Production
/ Accomando, Elena (Southampton U. ; Rutherford) ; Fiaschi, Juri (Munster U., ITP ; Southampton U. ; Rutherford) ; Hautmann, Francesco (Rutherford ; Antwerp U. ; Oxford U., Theor. Phys. ; U. Basque Country, Leioa ; CERN) ; Moretti, Stefano (Southampton U. ; Rutherford) ; Bertone, Valerio (Pavia U.) ; Giuli, Francesco (Rome U., Tor Vergata ; INFN, Rome2) ; Abdolmaleki, Hamen (Semnan U.) ; Luszczak, Agnieszka (Cracow Tech. U.) ; Glazov, Alexander (DESY) ; Olness, Fred (Southern Methodist U.) et al.
/xFitter Developers' team
Non-perturbative QCD effects from Parton Distribution Functions (PDFs) may be constrained by using high-statistics Large Hadron Collider (LHC) data. Drell-Yan (DY) measurements in the Charged Current (CC) case provide one of the primary means to do this, in the form of the lepton charge asymmetry. [...]
arXiv:1907.07727; DESY-19-127; MS-TP-19-19; CERN-TH-2019-110.-
2019-10-15 - 21 p.
- Published in : JHEP 1910 (2019) 176
Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF;
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Probing the strange content of the proton with charm production in charged current at LHeC
/ Abdolmaleki, Hamed (Semnan U.) ; Bertone, Valerio (INFN, Pavia ; Pavia U.) ; Britzger, Daniel (Munich, Max Planck Inst.) ; Camarda, Stefano (CERN) ; Cooper-Sarkar, Amanda (Oxford U.) ; Geiser, Achim (DESY) ; Giuli, Francesco (INFN, Rome2 ; Rome U., Tor Vergata) ; Glazov, Alexander (DESY) ; Luszczak, Agnieszka (Cracow Tech. U.) ; Novikov, Ivan (Dubna, JINR) et al.
/xFitter Developers' Team
We study charm production in charged-current deep-inelastic scattering (DIS) using the xFitter framework. Recent results from the LHC have focused renewed attention on the determination of the strange-quark parton distribution function (PDF) and the DIS charm process provides important complementary constraints on this quantity. [...]
arXiv:1907.01014; DESY-19-107.-
2019-10-22 - 19 p.
- Published in : Eur. Phys. J. C 79 (2019) 864
Article from SCOAP3: PDF; Fulltext: PDF;
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Parton distribution functions (PDFs) from dipole models and HERA data - predictions for the LHC
/ Luszczak, Agnieszka (Cracow Tech. U.)
We analyse, within a dipole model, the final, inclusive HERA DIS cross section data in the low $x$ region, using fully correlated errors. We show, that these highest precision data are very well described within the dipole model framework starting from $Q^{2}$ values of 3.5 GeV$^{2}$ to the highest values of $Q^{2} = 250$ GeV$^{2}$ [...]
2017 - 7 p.
- Published in : EPJ Web Conf. 164 (2017) 07024
Fulltext: PDF;
In : 5th International Conference on New Frontiers in Physics, Kolymbari, Greece, 6 - 14 Jul 2016, pp.07024
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