A study of $\Sigma^{\pm}$ , $\Sigma^{*\pm}$ and $\overline{\Sigma}^-_{1385}$ production in the hyperon beam experiment WA89 at CERN

EUROPEAN PHYSICAL JOURNAL C（2001）

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摘要

We report on a measurement of the inclusive production cross sections for Z(+/-), Z(1385)(+/-), Z(1660)(+/-) and (Sigma) over bar ((1) over bar 385) in the CERN hyperon beam experiment WA89, using a Sigma(-)/pi(-) beam of 345 GeV/c momentum and neutrons of 260 GeV/c mean momentum. A strong leading particle effect was observed for all negative Sigma and Sigma*. The results are compared with predictions from phenomenological models.

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A study of , and production in the hyperon beam experiment WA89 at CERN

A study of $\Sigma^{\pm}$ , $\Sigma^{*\pm}$ and $\overline{\Sigma}^-_{1385}$ production in the hyperon beam experiment WA89 at CERN