Linear scaling of lepton charge asymmetry in $W^{\pm }$ production in ultra-relativistic nuclear collisions

Abstract

The lepton charge asymmetry in $W^{\pm }$ production in the nuclear collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV is investigated with a parton and hadron cascade model PACIAE. Recently published ALICE and the ATLAS data of lepton charge asymmetry are well reproduced. An interesting linear scaling behavior is observed in the lepton charge asymmetry as a function of the collision system valence quark number asymmetry among the different size of nuclear collision systems at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV. This linear scaling behavior may serve as an additional constraint on the PDF (nPDF) extractions.

arXiv comment6 pages, 4 figures. arXiv admin note: text overlap with arXiv:2201.09525

References in corpus (38)

• PYTHIA 6.4 Physics and Manual
• PYTHIA 6.2 Physics and Manual
• New parton distribution functions from a global analysis of quantum chromodynamics
• Parton distributions in the LHC era: MMHT 2014 PDFs
• High-precision QCD at hadron colliders: electroweak gauge boson rapidity distributions at NNLO
• EPS09 - a New Generation of NLO and LO Nuclear Parton Distribution Functions
• EPPS16: Nuclear parton distributions with LHC data
• Parton Distribution Functions, ${\alpha }_s$ and Heavy-Quark Masses for LHC Run II
• Measurement of the inclusive W+- and Z/gamma cross sections in the electron and muon decay channels in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector
• Parton distributions and lattice QCD calculations: a community white paper
• The Structure of the Proton in the LHC Precision Era
• Precision measurement and interpretation of inclusive $W^{+}$, $W^{-}$ and $Z/{\gamma }^{\ast }$ production cross sections with the ATLAS detector
• Study of W boson production in PbPb and pp collisions at sqrt(s[NN]) = 2.76 TeV
• Measurement of the muon charge asymmetry in inclusive pp to WX production at sqrt(s) = 7 TeV and an improved determination of light parton distribution functions
• W Production in an Improved Parton-Shower Approach
• Parton Distributions in Nucleons and Nuclei
• Inclusive $W$ and $Z$ production in the forward region at $\sqrt{s}=7$ TeV
• Direct Measurement of the $W$ Production Charge Asymmetry in $\ppbar$ Collisions at $\sqrt{s}=1.96$ TeV
• Measurement of the differential cross section and charge asymmetry for inclusive pp to W + X production at sqrt(s) = 8 TeV
• Measurement of the electron charge asymmetry in inclusive W production in pp collisions at sqrt(s) = 7 TeV
• W boson production at hadron colliders: the lepton charge asymmetry in NNLO QCD
• Measurement of the Forward-Backward Charge Asymmetry from W --> e nu Production in p anti-p Collisions at s**(1/2) = 1.96 TeV
• Measurement of the production and lepton charge asymmetry of $\text{W}$ bosons in Pb+Pb collisions at $\sqrt{s_{\mathbf{NN}}}=$ 2.76 TeV with the ATLAS detector
• Measurement of the lepton charge asymmetry in W-boson decays produced in p-pbar collisions
• Measurement of the muon charge asymmetry from W boson decays
• Measurement of the electron charge asymmetry in ppbar->W+X->enu+X events at sqrt{s}=1.96 TeV
• The Charge Asymmetry in W-Boson Decays Produced in p-pbar Collisions at sqrt(s) = 1.8 TeV
• PACIAE 2.0: An updated parton and hadron cascade model (program) for the relativistic nuclear collisions
• Measurement of the muon charge asymmetry in ppbar to W + X to mu nu + X events at sqrt{s} = 1.96 TeV
• Measurement of the $W$ Charge Asymmetry in the $W\to \mu \nu$ Decay Mode in $pp$ Collisions at $\sqrt{s}=7$ TeV with the ATLAS detector
• Measurement of the cross-section and charge asymmetry of $W$ bosons produced in proton-proton collisions at $\sqrt{s}=8$ TeV with the ATLAS detector
• Higgs Production: A Comparison of Parton Showers and Resummation
• Observation of nuclear modifications in W${}^{\pm }$ boson production in pPb collisions at $\sqrt{s_{\mathrm{NN}}}=$ 8.16 TeV
• Vector boson production in proton-lead and lead-lead collisions at the LHC and its impact on nCTEQ15 PDFs
• Measurement of $W^{\pm }$ boson production in Pb+Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV with the ATLAS detector
• PDF Profiling Using the Forward-Backward Asymmetry in Neutral Current Drell-Yan Production
• Lepton-Charge and Forward-Backward Asymmetries in Drell-Yan Processes for Precision Electroweak Measurements and New Physics Searches
• Measurement of $W^{\pm }$-boson and $Z$-boson production cross-sections in $pp$ collisions at $\sqrt{s}=2.76$ TeV with the ATLAS detector