A study of Sigma(+/-), Sigma(*+/-) and (Sigma)over-bar(1385)(-) production in the hyperon beam experiment WA89 at CERN
- Adamovich, M.I.
- Alexandrov, Y.A.
- Baranov, S.P.
- Barberis, D.
- Beck, M.
- Berat, C.
- Beusch, W.
- Boss, M.
- Brons, S.
- Bruckner, W.
- Buenerd, M.
- Busch, C.
- Buscher, C.
- Charignon, F.
- Chauvin, J.
- Chudakov, E.A.
- Dersch, U.
- Dropmann, F.
- Engelfried, J.
- Faller, F.
- Fournier, A.
- Gerassimov, S.G.
- Godbersen, M.
- Grafstrom, P.
- Haller, T.
- Heidrich, M.
- Hubbard, E.
- Hurst, R.B.
- Konigsmann, K.
- Konorov, I.
- Keller, N.
- Martens, K.
- Martin, P.
- Masciocchi, S.
- Michaels, R.
- Muller, U.
- Neeb, H.
- Newbold, D.
- Newsom, C.
- Paul, S.
- Pochodzalla, J.
- Potashnikova, I.
- Povh, B.
- Ransome, R.
- Ren, Z.
- Rey-Campagnolle, M.
- Rosner, G.
- Rossi, L.
- Rudolph, H.
- Scheel, C.
- Schmitt, L.
- Siebert, H.W.
- Simon, A.
- Smith, V.
- Thilmann, O.
- Trombini, A.
- Vesin, E.
- Volkemer, B.
- Vorwalter, K.
- Walcher, T.
- Walder, G.
- Werding, R.
- Wittmann, E.
- Zavertyaev, M.V.
DOIAbstract
We report on a measurement of the inclusive production cross sections for Z(+/-), Z(1385)(+/-), Z(1660)(+/-) and (Σ) 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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