Two-pion Bose-Einstein correlations in central PbPb collisions at sqrt(s_NN) = 2.76 TeV

K. Aamodt, M.A.J. Botje, M. Chojnacki, P. Christakoglou, R. S. de Rooij, A. Grelli, P.G. Kuijer, R. Kamermans, A. Mischke, G.J.L. Nooren, T. Peitzmann, R.J.M. Snellings, D. Thomas, N. van der Kolk, M. van Leeuwen, M. Verweij

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

The first measurement of two-pion Bose--Einstein correlations in central PbPb collisions at sqrt(s_NN) = 2.76 TeV at the Large Hadron Collider is presented. We observe a growing trend with energy now not only for the longitudinal and the outward but also for the sideward pion source radius. The pion homogeneity volume and the decoupling time are significantly larger than those measured at RHIC
Original languageEnglish
Pages (from-to)328-337
Number of pages10
JournalPhysics Letters B
Volume696
Issue number4
DOIs
Publication statusPublished - Feb 2011

Bibliographical note

ALICE Collaboration

Keywords

  • LHC
  • Heavy-ion collisions
  • HBT
  • Femtoscopy
  • Intensity interferometry

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