One and two-dimensional analysis of 3π correlations measured in Pb+Pb interactions

I. G. Bearden, H. Boggild, J. Boissevain, P. Christiansen, L. Conin, J. Dodd, B. Erazmus, S. Esumi, C. W. Fabjan, D. Ferenc, D. E. Fields, A. Franz, J. Gaardhoje, A. G. Hansen, O. Hansen, D. Hardtke, H. Van Hecke, E. B. Holzer, T. J. Humanic, P. HummelB. V. Jacak, R. Jayanti, K. Kaimi, M. Kaneta, T. Kohama, M. Kopytine, M. Leltchouk, A. Ljubiči, B. Lö, N. Maeda, L. Martin, A. Medvedev, M. Murray, H. Ohnishi, G. Pai, S. U. Pandey, F. Piuz, J. Pluta, V. Polychronakos, M. Potekhin, G. Poulard, D. Reichold, A. Sakaguchi, J. Schmidt-So, J. Simon-Gillo, W. Sondheim, T. Sugitate, J. P. Sullivan, Y. Sumi, W. J. Willis, K. L. Wolf, N. Xu, D. S. Zachary

Research output: Contribution to journalArticlepeer-review

37 Citations (Scopus)


π -π -π - correlations from Pb+Pb collisions at 158 GeV/c per nucleon are presented as measured by the focusing spectrometer of the NA44 experiment at CERN. The three-body effect is found to be stronger for Pb+Pb than for S+Pb. The two-dimensional three-particle correlation function is also measured and the longitudinal extension of the source is larger than the transverse extension.

Original languageEnglish
Pages (from-to)25-31
Number of pages7
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Issue number1-2
Publication statusPublished - 2001 Sept 27


  • 3-body
  • HBT
  • Heavy-ion collisions
  • Interferometry
  • Three-particle correlations


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