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Charged pion, kaon, proton and antiproton production in high energy e+e− annihilations

By R Brandelik, W Braunschweig, K Gather, V Kadansky, K Lübelsmeyer, P Mättig, H Martyn, G Peise, J Rimkus, H Sander, D Schmitz, A Schultz von Dratzig, D Trines, W Wallraff, H Boerner, H. M. Fischer, H Hartmann, E Hilger, W Hillen, L Koepke, H Kolanoski, G Knop, P Leu, B Löhr, R Wedemeyer, N Wermes, M Wollstadt, H Burkhardt, D.G. Cassel, D Heyland, H Hultschig, P Joos, W Koch, P Koehler, U Kötz, H Kowalski, A Ladage, D Lüke, H.L. Lynch, G Mikenberg, D Notz, J Pyrlik, R Riethmüller, M Schliwa, P Söding, B.H. Wiik, G Wolf, R Fohrmann, M Holder, G Poelz, O Römer, R Rüsch, P Schmüser, D.M. Binnie, P.J. Dornan, N.A. Downie, D.A. Garbutt, W.G. Jones, S.L. Lloyd, D Pandoulas, J Sedgbeer, S Yarker, C Youngman, Roger Barlow, I Brock, R.J. Cashmore, R Devenish, P Grossmann, J Illingworth, M Ogg, B Roe, G.L. Salmon, T Wyatt, K.W. Bell, B Foster, J.C. Hart, J Proudfoot, D.R. Quarrie, D.H. Saxon, P.L. Woodworth, Y Eisenberg, U Karshon, D Revel, E Ronat, A Shapira, J Freeman, P Lecomte, T Meyer, Sau Lan Wu and G Zobernig

Abstract

Production of pions, kaons, protons and antiprotons has been studied in e+e− annihilations at 12 and 30 GeV centre of mass energy using time of flight techniques. The fractional yield of charged kaons and baryons appears to rise with outgoing particle momentum. At our highest energy at least 40% of e+e− annihilations into hadrons are estimated to contain baryon

Topics: QC
Publisher: Elsevier
Year: 1980
OAI identifier: oai:eprints.hud.ac.uk:9853
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