Nucleon resonance decay by the K0Σchannel |
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| Affiliation: | (1) KVI, University of Groningen, The Netherlands;(2) Helmholtz-Institut für Strahlen- und Kernphysik, Universit?t Bonn, Germany;(3) Petersburg Nuclear Physics Institute, Gatchina, Russia;(4) Physikalisches Institut, Universit?t Bonn, Germany;(5) II. Physikalisches Institut, Universit?t Gie?en, Germany;(6) Physikalisches Institut, Universit?t Basel, Switzerland;(7) Institut für Kernphysik, Universit?t Mainz, Germany |
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| Abstract: | Hyperon production off the proton in the K 0Σ+ channel has been studied at the tagged-photon beam facility at the ELSA electron accelerator in Bonn. This experiment was part of a series of neutral meson production experiments on various targets. For this purpose, the Crystal Barrel and TAPS photon spectrometers have been combined to provide a 4π detector for multi-neutral-particle final states. A high-quality excitation function, recoil polarizations, and angular distributions from threshold up to 2.3GeV center-of-mass energy were obtained. The results are compared with predictions of recent coupled-channel calculations within the K -matrix formalism and are interpreted by the partial-wave analysis within the Bonn-Gatchina model. |
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| Keywords: | 25.20.-x Photonuclear reactions 13.60.Rj Baryon production 13.60.Le Meson production 13.88.+e Polarization in interactions and scattering |
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