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

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33 Citations (Scopus)

Abstract

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
Volume517
Issue number1-2
DOIs
Publication statusPublished - 2001 Sep 27
Externally publishedYes

Keywords

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

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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  • Cite this

    Bearden, I. G., Boggild, H., Boissevain, J., Christiansen, P., Conin, L., Dodd, J., Erazmus, B., Esumi, S., Fabjan, C. W., Ferenc, D., Fields, D. E., Franz, A., Gaardhoje, J., Hansen, A. G., Hansen, O., Hardtke, D., Van Hecke, H., Holzer, E. B., Humanic, T. J., ... Zachary, D. S. (2001). One and two-dimensional analysis of 3π correlations measured in Pb+Pb interactions. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 517(1-2), 25-31. https://doi.org/10.1016/S0370-2693(01)00978-9