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The NA52 strangelet and particle search in Pb+Pb collisions at 158 A GeV/c

  • M. Weber
  • , R. Arsenescu
  • , C. Baglin
  • , H. P. Beck
  • , K. Borer
  • , A. Bussière
  • , K. Elsener
  • , Ph Gorodetzky
  • , J. P. Guillaud
  • , S. Kabana
  • , R. Klingenberg
  • , G. Lehmann
  • , T. Lindén
  • , K. D. Lohmann
  • , R. Mommsen
  • , U. Moser
  • , K. Pretzl
  • , J. Schacher
  • , R. Spiwoks
  • , J. Tuominiemi
  • M. Weber
  • University of Bern
  • Institut National de Physique Nucléaire et de Physique des Particules (IN2P3)
  • CERN
  • Collège de France
  • University of Helsinki

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

The NA52 experiment searched for long-lived charged strangelets in 158 A GeV/c Pb+Pb collisions at CERN SPS. We collected 1013 Pb+Pb interactions looking for negatively charged strangelets and 3 × 10 11 Pb+Pb interactions for positively charged ones. No evidence for the production of strangelets has been observed. The upper strangelet production limits are discussed. Besides the strangelet searches NA52 was able to identify particles and anti-particles over a wide range in rapidity. Results of the invariant differential particle production cross sections including fragments up to carbon and 5 3̄He are presented.

Original languageEnglish
Article number347
Pages (from-to)1921-1927
Number of pages7
JournalJournal of Physics G: Nuclear and Particle Physics
Volume28
Issue number7
DOIs
StatePublished - Jul 2002
Externally publishedYes

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