Abstract
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Highlights
The Relativistic Heavy Ion Colider (RHIC) showed that strongly interacting matter produced in collision of two heavy nuclei takes the form of quark gluon plasma (QGP) [1]
The Z boson production has been measured in pp, p+Pb and Pb+Pb collisions at √sNN = 5.02 TeV using data corresponding to an integrated luminosity of 29 nb−1 and 0.49 nb−1 [13, 14], respectively
Model estimations based on the CT10 PDF [15] set with and without EPS09 [16] nuclear corrections and MSTW2008 are shown
Summary
The Relativistic Heavy Ion Colider (RHIC) showed that strongly interacting matter produced in collision of two heavy nuclei takes the form of quark gluon plasma (QGP) [1] In such medium produced color particles are expected to lose energy which leads to a phenomenon known as jet quenching. A direct way to study the initial stage of proton-proton (pp), proton-nucleus and nucleus-nucleus collisions is to measure production of colorless electroweak (EW) bosons, namely high-energy photons, W± and Z. Very similar conclusions came from the first measurements of electroweak vector bosons in leadlead (Pb+Pb) collisions performed by the ATLAS and CMS experiments [6,7,8,9,10] In principle their production rates were found to be independent of the presence of QGP. A detailed description of the ATLAS detector is provided in Ref. [12]
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