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@ARTICLE{Tumasyan:617529,
      author       = {Tumasyan, Armen and others},
      collaboration = {{CMS Collaboration}},
      title        = {{M}ultiplicity and transverse momentum dependence of
                      charge-balance functions in p{P}b and {P}b{P}b collisions at
                      {LHC} energies},
      journal      = {Journal of high energy physics},
      volume       = {2024},
      number       = {8},
      issn         = {1029-8479},
      address      = {[Trieste]},
      publisher    = {SISSA},
      reportid     = {PUBDB-2024-06860, arXiv:2307.11185. CMS-HIN-21-017.
                      CERN-EP-2023-075},
      pages        = {148},
      year         = {2024},
      abstract     = {Measurements of the charge-dependent two-particle angular
                      correlation function in proton-lead (pPb) collisions at a
                      nucleon-nucleon center-of-mass energy of $
                      \sqrt{s_{\textrm{NN}}} $ = 8.16 TeV and lead-lead (PbPb)
                      collisions at $ \sqrt{s_{\textrm{NN}}} $ = 5.02 TeV are
                      reported. The pPb and PbPb data sets correspond to
                      integrated luminosities of 186 nb$^{−1}$ and 0.607
                      nb$^{−1}$, respectively, and were collected using the CMS
                      detector at the CERN LHC. The charge-dependent correlations
                      are characterized by balance functions of same- and
                      opposite-sign particle pairs. The balance functions, which
                      contain information about the creation time of charged
                      particle pairs and the development of collectivity, are
                      studied as functions of relative pseudorapidity (∆η) and
                      relative azimuthal angle (∆ϕ), for various multiplicity
                      and transverse momentum (p$_{T}$) intervals. A multiplicity
                      dependence of the balance function is observed in ∆η and
                      ∆ϕ for both systems. The width of the balance functions
                      decreases towards high-multiplicity collisions in the
                      momentum region < 2 GeV, for pPb and PbPb results. Integrals
                      of the balance functions are presented in both systems, and
                      a mild dependence of the charge-balancing fractions on
                      multiplicity is observed. No multiplicity dependence is
                      observed at higher transverse momentum. The data are
                      compared with hydjet, hijing, and ampt generator
                      predictions, none of which capture completely the
                      multiplicity dependence seen in the data. The comparison of
                      results with different center-of-mass energies suggests that
                      the balance functions become narrower at higher energies,
                      which is consistent with the idea of delayed hadronization
                      and the effect of radial flow.[graphic not available: see
                      fulltext]},
      keywords     = {experimental results (INSPIRE) / heavy ion: scattering
                      (INSPIRE) / p nucleus: scattering (INSPIRE) / multiplicity:
                      dependence (INSPIRE) / transverse momentum: momentum
                      spectrum (INSPIRE) / correlation: charge dependence
                      (INSPIRE) / angular correlation: two-particle (INSPIRE) /
                      CERN LHC Coll (INSPIRE) / charged particle (INSPIRE) /
                      correlation function (INSPIRE) / transverse momentum
                      dependence (INSPIRE) / rapidity (INSPIRE) / CMS (INSPIRE) /
                      impact parameter: dependence (INSPIRE) / Heavy Ion
                      Experiments (autogen) / Particle Correlations and
                      Fluctuations (autogen) / Relativistic Heavy Ion Physics
                      (autogen)},
      cin          = {CMS},
      ddc          = {530},
      cid          = {I:(DE-H253)CMS-20120731},
      pnm          = {611 - Fundamental Particles and Forces (POF4-611) /
                      HIDSS-0002 - DASHH: Data Science in Hamburg - Helmholtz
                      Graduate School for the Structure of Matter
                      $(2019_IVF-HIDSS-0002)$ / DFG project G:(GEPRIS)390833306 -
                      EXC 2121: Quantum Universe (390833306)},
      pid          = {G:(DE-HGF)POF4-611 / $G:(DE-HGF)2019_IVF-HIDSS-0002$ /
                      G:(GEPRIS)390833306},
      experiment   = {EXP:(DE-H253)LHC-Exp-CMS-20150101},
      typ          = {PUB:(DE-HGF)16},
      eprint       = {2307.11185},
      howpublished = {arXiv:2307.11185},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:2307.11185;\%\%$},
      UT           = {WOS:001412629800001},
      doi          = {10.1007/JHEP08(2024)148},
      url          = {https://bib-pubdb1.desy.de/record/617529},
}