S. Schmidt
University of Bonn
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Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 1994
W.J. Schwille; M. Bockhorst; G. Burbach; R. Burgwinkel; J. Empt; B. Guse; K.‐M. Haas; J. Hannappel; K. Heinloth; T. Hey; K. Honscheid; T. Jahnen; H.P. Jakob; N. Jöpen; H. Jüngst; U. Kirch; Frank Klein; D. Kostrewa; L. Lindemann; J. Link; J. Manns; D. Menze; H. Merkel; R. Merkel; W. Neuerburg; E. Paul; R. Plötzke; U. Schenk; S. Schmidt; J. Scholmann
Abstract The design, construction, and performance of the large solid angle magnetic spectrometer SAPHIR is described. It was built for the investigation of photon-induced reactions on nucleons and light nuclei with multi-particle final states up to photon energies of 3.1 GeV. The detector is equipped with a tagged photon beam facility and is operated at the stretcher ring ELSA in Bonn.
European Physical Journal C | 1994
M. Bockhorst; G. Burbach; R. Burgwinkel; J. Empt; B. Guse; K. M. Haas; J. Hannappel; K. Heinloth; T. Hey; P. Hoffmann-Rothe; K. Honscheid; T. Jahnen; H. P. Jakob; N. Jöpen; H. Jüngst; U. Kirch; F. Klein; D. Kostrewa; L. Lindemann; J. Link; J. Manns; D. Menze; H. Merkel; R. Merkel; W. Neuerburg; E. Paul; R. Plötzke; U. Schenk; S. Schmidt; J. Scholmann
The reactions γp→K+ Λ and γp→K+ Σ0 have been measured with the multiparticle detector system SAPHIR at ELSA in Bonn. Besides the differential cross sections the Λ polarization and, for the first time, the Σ0 polarization have been determined in a photon induced reaction. All data are presented as functions of the photon energy (from threshold up to 1.47 GeV) and of the kaon production angle (0°–180°). The polarization of both Λ and Σ0 is substantial at all energies and varies strongly with the production angle.
The 14th international conference on few‐body problems in physics | 2008
M. Bockhorst; G. Burbach; R. Burgwinkel; J. Empt; B. Guse; K.‐M. Haas; J. Hannappel; K. Heinloth; T. Hey; P. Hoffmann‐Rothe; K. Honsheid; T. Jahnen; H.P. Jakob; N. Jöpen; H. Jüngst; U. Kirch; F. Klein; D. Kostrewa; L. Lindemann; J. Link; J. Manns; D. Menze; H. Merkel; R. Merkel; W. Neuerburg; E. Paul; R. Plötzke; U. Schenk; S. Schmidt; J. Scholmann
The reactions γp→K+ Λ and γp→K+ Σ0 have been measured with the multiparticle detector system SAPHIR at ELSA in Bonn. Besides the differential cross sections the Λ polarization and, for the first time, the Σ0 polarization have been determined in a photon induced reaction. All data are presented as functions of the photon energy (from threshold up to 1.47 GeV) and of the kaon production angle (0°–180°). The polarization of both Λ and Σ0 is substantial at all energies and varies strongly with the production angle.
