Centrality determination of Pb-Pb collisions at<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msqrt><mml:msub><mml:mi>s</mml:mi><mml:mrow><mml:mi>N</mml:mi><mml:mi>N</mml:mi></mml:mrow></mml:msub></mml:msqrt><mml:mo>=</mml:mo><mml:mn>2.76</mml:mn></mml:mrow></mml:math>TeV with ALICE

DOI DOI HANDLE HANDLE HANDLE ほか15件をすべて表示 一部だけ表示 研究データあり 被引用文献71件 参考文献31件 オープンアクセス

書誌事項

公開日
2013-10-15
資源種別
journal article
権利情報
  • http://creativecommons.org/licenses/by/3.0/
DOI
  • 10.1103/physrevc.88.044909
  • 10.48550/arxiv.1301.4361
公開者
American Physical Society (APS)

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説明

This publication describes the methods used to measure the centrality of inelastic Pb-Pb collisions at a center-of-mass energy of 2.76 TeV per colliding nucleon pair with ALICE. The centrality is a key parameter in the study of the properties of QCD matter at extreme temperature and energy density, because it is directly related to the initial overlap region of the colliding nuclei. Geometrical properties of the collision, such as the number of participating nucleons and number of binary nucleon-nucleon collisions, are deduced from a Glauber model with a sharp impact parameter selection, and shown to be consistent with those extracted from the data. The centrality determination provides a tool to compare ALICE measurements with those of other experiments and with theoretical calculations.

38 pages, 16 captioned figures, 7 tables, authors from page 32, published version, figures at http://aliceinfo.cern.ch/ArtSubmission/node/484

収録刊行物

  • Physical Review C

    Physical Review C 88 (4), 044909-, 2013-10-15

    American Physical Society (APS)

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