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Soft probes of the QGP: Pb-Pb and p-Pb CMS results

Milošević, J.

Nuclear and particle physics proceedings -- Elsevier -- Volume: 273 Issue:; (pages 1565-1570) -- 2016

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  • Title:
    Soft probes of the QGP: Pb-Pb and p-Pb CMS results
  • Author: Milošević, J.
  • Found In: Nuclear and particle physics proceedings. Volume 273:(2016):no.; 201604; 1565-1570
  • Journal Title: Nuclear and particle physics proceedings
  • Subjects: Nuclear physics; Particles (Nuclear physics); Nuclear physics; LCSH: Nuclear physics; LCSH: Particles (Nuclear physics); Dewey: 539.705
  • Rights: Licensed
  • Publication Details: Elsevier
  • Abstract: AbstractThe CMS collaboration measured second-order single-particle anisotropy,ν2, using 2-, 4-, 6- and 8-particle correlations as well as the Lee-Yang Zero method in pPb and PbPb collisions. This result shows that the correlations found in the small and highly asymmetric pPb collision system are long-range and have a many-particle origin. Deeper insight into the nature of these correlations is achieved by studying the factorization breaking effect which appears trough apT-dependent event plane angle, caused by the initial-state fluctuations. The effect is largest for the most-central PbPb collisions (up to 20%), while it is on the level of few percent for peripheral PbPb and high-multiplicity pPb events. Hydrodynamics models which include apT-dependent event plane angle semi-quantitatively describe the data and suggest that the effect is mainly determined by the initial-state conditions.
  • Identifier: Journal ISSN: 2405-6014
  • Publication Date: 2016
  • Physical Description: Electronic
  • Shelfmark(s): 6180.618600
  • UIN: ETOCvdc_100050452170.0x000001

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