Zobrazeno 1 - 10
of 1 364
pro vyhledávání: '"Zenaiev , Oleksandr"'
Autor:
Zenaiev, Oleksandr
We present recent updates in the xFitter software framework for global fits of parton distribution functions in high-energy physics. Our focus is on investigating the sensitivity to Z boson couplings using the forward-backward asymmetry in Drell-Yan
Externí odkaz:
http://arxiv.org/abs/2408.07048
An extension of the xFitter open-source program for QCD analyses is presented, allowing for a polynomial parameterization of the dependence of physical observables on theoretical parameters. This extension enables simultaneous determination of parton
Externí odkaz:
http://arxiv.org/abs/2407.16061
We compare double-differential normalized production cross sections for top-antitop $+ X$ hadroproduction at NNLO QCD accuracy, as obtained through a customized version of the MATRIX framework interfaced to PineAPPL, with recent data by the ATLAS and
Externí odkaz:
http://arxiv.org/abs/2311.10230
Autor:
Anataichuk, Andrii, Moch, Sven-Olaf, Abdolmaleki, Hamed, Amoroso, Simone, Britzger, Daniel, Dattola, Filippo, Fiaschi, Juri, Giuli, Francesco, Glazov, Alexander, Hautmann, Francesco, Luszczak, Agnieszka, Monfared, Sara Taheri, Olness, Fred, Vazzoler, Federico, Zenaiev, Oleksandr
Publikováno v:
Eur. Phys. J. C 84 (2024) 1277
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 ne
Externí odkaz:
http://arxiv.org/abs/2310.19638
Autor:
xFitter Collaboration, Abdolmaleki, Hamed, Soleymaninia, Maryam, Khanpour, Hamzeh, Amoroso, Simone, Giuli, Francesco, Glazov, Alexander, Luszczak, Agnieszka, Olness, Fredrick, Zenaiev, Oleksandr
Publikováno v:
Phys. Rev. D 104, 056019 (2021)
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 framewo
Externí odkaz:
http://arxiv.org/abs/2105.11306
Autor:
Novikov, Ivan, Abdolmaleki, Hamed, Britzger, Daniel, Cooper-Sarkar, Amanda, Giuli, Francesco, Glazov, Alexander, Kusina, Aleksander, Luszczak, Agnieszka, Olness, Fred, Starovoitov, Pavel, Sutton, Mark, Zenaiev, Oleksandr
Publikováno v:
Phys. Rev. D 102, 014040 (2020)
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 (N
Externí odkaz:
http://arxiv.org/abs/2002.02902
Autor:
xFitter Developers Team, Abdolmaleki, Hamed, Bertone, Valerio, Britzger, Daniel, Camarda, Stefano, Cooper-Sarkar, Amanda, Geiser, Achim, Giuli, Francesco, Glazov, Alexander, Luszczak, Agnieszka, Novikov, Ivan, Olness, Fred, Sapronov, Andrey, Zenaiev, Oleksandr
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
Externí odkaz:
http://arxiv.org/abs/1909.00451
Autor:
Accomando, Elena, Fiaschi, Juri, Hautmann, Francesco, Moretti, Stefano, team, the xFitter Developers', Abdolmaleki, Hamed, Bertone, Valerio, Giuli, Francesco, Glazov, Alexander, Luszczak, Agnieszka, Novikov, Ivan, Olness, Fred, Zenaiev, Oleksandr
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 t
Externí odkaz:
http://arxiv.org/abs/1907.07727
Autor:
team, xFitter Developers', Abdolmaleki, Hamed, Bertone, Valerio, Britzger, Daniel, Camarda, Stefano, Cooper-Sarkar, Amanda, Geiser, Achim, Giuli, Francesco, Glazov, Alexander, Luszczak, Agnieszka, Novikov, Ivan, Olness, Fred, Sapronov, Andrey, Zenaiev, Oleksandr
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
Externí odkaz:
http://arxiv.org/abs/1907.01014
Autor:
team, xFitter Developers', Abdolmaleki, Hamed, Bertone, Valerio, Britzger, Daniel, Camarda, Stefano, Cooper-Sarkar, Amanda, Giuli, Francesco, Glazov, Alexander, Kusina, Aleksander, Luszczak, Agnieszka, Olness, Fred, Sapronov, Andrey, Shvydkin, Pavel, Wichmann, Katarzyna, Zenaiev, Oleksandr, Bonvini, Marco
Fits to the final combined HERA deep-inelastic scattering cross-section data within the conventional DGLAP framework of QCD have shown some tension at low $x$ and low $Q^2$. A resolution of this tension incorporating $\ln(1/x)$-resummation terms into
Externí odkaz:
http://arxiv.org/abs/1802.00064