Z boson production in p + Pb collisions at √ s NN = 5.02 TeV measured with the ATLAS detector

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Z boson production in p + Pb collisions at √ s NN = 5.02 TeV measured with the ATLAS detector	1013 KB	Adobe Acrobat PDF	Read	Download
DOI Доступ к ресурсу на сайте издателя			10.1103/PhysRevC.92.044915

Title: Z boson production in p + Pb collisions at √ s NN = 5.02 TeV measured with the ATLAS detector
Creator: Aad, G.
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Abdallah, J.
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Chelkov, G. A.
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Abbott, B.
Date: 2015
DOI: 10.1103/PhysRevC.92.044915
Description: The ATLAS Collaboration measures the inclusive production of Z bosons via their decays into electron and muon pairs in p+Pb collisions at √sNN=5.02TeV at the Large Hadron Collider. The measurements are made using data corresponding to integrated luminosities of 29.4 and 28.1 nb−1 for Z→ee and Z→μμ, respectively. The results from the two channels are consistent and combined to obtain a cross section times the Z→ℓℓ branching ratio, integrated over the rapidity region ∣∣y∗Z|<3.5, of 139.8±4.8(statistical)±6.2(systematic)±3.8 (luminosity) nb. Differential cross sections are presented as functions of the Z boson rapidity and transverse momentum and compared with models based on parton distributions both with and without nuclear corrections. The centrality dependence of Z boson production in p+Pb collisions is measured and analyzed within the framework of a standard Glauber model and the model's extension for fluctuations of the underlying nucleon-nucleon scattering cross section.

Created: 04-07-2017

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Радиофизический факультет Z boson production in p + Pb collisions at √ s NN = 5.02 TeV measured with the ATLAS detector