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CERN Document Server	Znaleziono 75 rekordów 1 - 10 skocz do rekordu:	Szukanie trwało 0.69 sekund.

Measurement of $W^{\pm}$ -boson differential cross-sections in proton-proton collisions with low pile-up data at $\sqrt{s} = 5.02$ TeV and $13$ TeV with the ATLAS detector / ATLAS Collaboration
High precision single-differential

$W^\pm$ -boson production cross-sections as a function of electron or muon transverse momentum

$p_\mathrm{T}$ or their pseudorapity

$\eta$ , as well as double-differential cross-sections as functions of these variables, are measured in proton-proton collisions at centre-of-mass energies

$\sqrt{s}=5.02$ TeV and 13 TeV. [...]
arXiv:2502.09403 ; CERN-EP-2025-009. - 2025 - 45.
Fulltext - Previous draft version - Fulltext

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Recent ATLAS results relevant for PDFs at low and high x, saturation in both $pp$ and HI collisions / Mondal, Santu (Czech Technical University in Prague (CZ))
This proceedings summarises the results of three major studies on nuclear parton distribution functions (nPDFs) from high-energy collisions at the CERN Large Hadron Collider (LHC). [...]
ATL-PHYS-PROC-2024-109. - 2024 - 8.
Original Communication (restricted to ATLAS) - Full text

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Validation of Theory Calculations with MCFM for $W$ Mass Measurement / Yue, Cheuk Kan Kelvin
In this study, theoretical predictions of fixed-order (FO) calculations from MCFM are validated using

$Z$ and

$W$ bosons in leptonic decays. [...]
CERN-STUDENTS-Note-2023-093. - 2023
Access to fulltext

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Low-pT quarkonium polarization measurements: Challenges and opportunities / Faccioli, Pietro (LIP, Lisbon) ; Krätschmer, Ilse (Unlisted) ; Lourenço, Carlos (CERN)
Several fixed-target experiments reported J/ψ and ϒ polarizations, as functions of Feynman x (xF) and transverse momentum (pT), in three different frames, using different combinations of beam particles, target nuclei, and collision energies. Despite the diverse and heterogeneous picture formed by these measurements, a detailed look allows us to discern qualitative physical patterns that inspire a simple empirical model. [...]
2023 - 12 p. - Published in : Phys. Lett. B 840 (2023) 137871 Fulltext: PDF;

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Measurements of W and Z production at ATLAS / Beauchemin, Pierre-Hugues (Tufts University (US)) /ATLAS Collaboration
Precision measurements of the production cross-sections of W/Z boson at LHC provide important tests of perturbative QCD and information about the parton distribution functions for quarks within the proton. Extremely precise double-differential measurement of Z transverse momentum and rapidity at centre-of-mass energy of 8 TeV will be presented. [...]
ATL-PHYS-SLIDE-2023-072.- Geneva : CERN, 2023 - 26 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 30th International Workshop on Deep-Inelastic Scattering and Related Subjects, East Lansing, Us, 27 - 31 Mar 2023

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Determination of the parton distribution functions of the proton using diverse ATLAS data from $pp$ collisions at $\sqrt{s} = 7$ , 8 and 13 TeV / ATLAS Collaboration
This paper presents an analysis at next-to-next-to-leading order in the theory of quantum chromodynamics for the determination of a new set of proton parton distribution functions using diverse measurements in

$pp$ collisions at

$\sqrt{s} = 7$ , 8 and 13 TeV, performed by the ATLAS experiment at the Large Hadron Collider, together with deep inelastic scattering data from

$ep$ collisions at the HERA collider. The ATLAS data sets considered are differential cross-section measurements of inclusive

$W^{\pm}$ and

$Z/\gamma^*$ boson production,

$W^{\pm}$ and

$Z$ boson production in association with jets,

$t\bar{t}$ production, inclusive jet production and direct photon production. [...]
arXiv:2112.11266; CERN-EP-2021-239.- Geneva : CERN, 2022-05-13 - 92 p. - Published in : Eur. Phys. J. C 82 (2022) 438 Fulltext: ANA-STDM-2020-32-PAPER - PDF; 2112.11266 - PDF; document - PDF; External link: Previous draft version

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The impact of ATLAS $V$ +jet measurements on PDF fits / Conroy, Eimear Isobel (University of Oxford (GB))
The production of

$W$ /

$Z$ -bosons in association with jets is an important test of perturbative QCD predictions and also yields information about the parton distribution functions (PDFs) of the proton. [...]
ATL-PHYS-PROC-2021-089. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text

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ResBos and ePump Analysis on ATLAS 8TeV Z Boson Transverse Momentum Distributions / Jandaolet, Qaynar (Xinjiang U.) ; Ablat, Alim (Xinjiang U.) ; Obul, Pazilet (Xinjiang U.) ; Rashidin, Reyima (Xinjiang U.) ; Sitiwaldi, Ibrahim (Xinjiang U.)
Fixed-order predictions cannot describe the vector boson production process in low transverse momentum regions where resummation of soft gluon emission is essential. Using a ResBos Monte Carlo package, we perform the resummed theoretical predictions for the transverse momentum distributions of Z boson measured in proton-proton collision at

$\sqrt{s}=8$ TeV with ATLAS detector at LHC. [...]
2021 - 11 p. - Published in : Int. J. Theor. Phys. 60 (2021) 3013-3023

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Determination of proton parton distribution functions using ATLAS data / Ferrando, James Edward (Deutsches Elektronen-Synchrotron (DE)) /ATLAS Collaboration
We present fits to determine parton distribution functions (PDFs) using inclusive W/Z-boson and W+jets measurements from the ATLAS experiment at the LHC. The ATLAS measurements are used in combination with deep-inelastic scattering data from HERA. [...]
ATL-PHYS-SLIDE-2021-116.- Geneva : CERN, 2021 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : Workshop on Deep Inelastic Scattering and Related Phenomena, Rome, Italy, 15 - 19 Apr 1996

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10.

Determination of the parton distribution functions of the proton from ATLAS measurements of differential $W^\pm$ and $Z$ boson production in association with jets / ATLAS Collaboration
This article presents a new set of proton parton distribution functions, ATLASepWZVjet20, produced in an analysis at next-to-next-to-leading order in QCD. The new data sets considered are the measurements of

$W^+$ and

$W^-$ boson and

$Z$ boson production in association with jets in

$pp$ collisions at

$\sqrt{s} = 8~\mathrm{TeV}$ performed by the ATLAS experiment at the LHC with integrated luminosities of

$20.2~\mathrm{fb}^{-1}$ and

$19.9~\mathrm{fb}^{-1}$ , respectively. [...]
arXiv:2101.05095; CERN-EP-2020-237.- Geneva : CERN, 2021-07-29 - 41 p. - Published in : JHEP 2107 (2021) 223 Fulltext: 2101.05095 - PDF; document - PDF; External link: Previous draft version

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