Measurement of decay parameters for Ξ- → Λπ- decay

A. Chakravorty, H. T. Diehl, J. Duryea, G. Guglielmo, K. Heller, P. M. Ho, C. James, K. Johns, D. M. Kaplan, M. J. Longo, K. B. Luk, R. Rameika, H. A. Rubin, S. Teige, G. B. Thomson, Y. Zou

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Abstract

The parameter φ≡ was measured using 1.35 X 106- → ∧π- decays. The result has a precision that is ≈3.3 times better than the previous best single measurement. With this result, new values were obtained for β and γ.

Original languageEnglish (US)
Article number031601
Pages (from-to)031601/1-031601/4
JournalPhysical review letters
Volume91
Issue number3
StatePublished - Jul 18 2003

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