Elsevier

Physics Letters B

Volume 112, Issue 3, 13 May 1982, Pages 265-270
Physics Letters B

Determination of the α parameter for the decay Ξ− → Λπ−☆

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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.

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Cited by (0)

☆

Work supported in part by the UK Science and Engineering Research Council, the Swiss National Foundation for Scientific Research, and the Bundesministerium für Forschung und Technologie, Fed. Rep. Germany.

1

Also CERN, Geneva, Switzerland.

2

Now at Columbia University, NY 10027, USA.

3

Now at Princeton University, NJ 08540, USA.

4

Now at CERN, Geneva, Switzerland.

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