Determination of the α parameter for the decay Ξ- → Λπ-

  • S. F. Biagi
  • , M. Bourquin
  • , A. J. Britten
  • , R. M. Brown
  • , H. Burchhart
  • , A. A. Carter
  • , J. R. Carter
  • , Ch Doré
  • , P. Extermann
  • , M. Gailloud
  • , C. N.P. Gee
  • , W. M. Gibson
  • , J. C. Gordon
  • , R. J. Gray
  • , P. Igo-Kemenes
  • , W. C. Louis
  • , T. Modis
  • , P. Mühlemann
  • , J. Perrier
  • , Ph Rosselet
  • B. J. Saunders, P. Schirato, H. W. Siebert, V. J. Smith, D. P. Stickland, K. P. Streit, J. J. Thresher, R. Weill

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

The α parameter for Ξ- → Λπ- decay has been determined to be αΞ-=-0.462 ± 0.015, from a sample of 1.5 × 105 events recorded in the CERN SPS hyperon beam. This value is 2.5 standard deviations higher than the current world average.

Original languageEnglish (US)
Pages (from-to)265-270
Number of pages6
JournalPhysics Letters B
Volume112
Issue number3
DOIs
StatePublished - May 13 1982
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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