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his contribution aims to give a basic overview of the latest results regarding the production of resonances in different collision systems. The results were extracted from experimental data collected with HADES that is a multipurpose detector located at the GSI Helmholtzzentrum, Darmstadt. The main points discussed here are: the properties of the strange resonances Λ(1405) and Σ(1385), the role of Δ’s as a source of pions in the final state, the production dynamics reflected in form of differential cross sections, and the role of the ϕ meson as a source for K− particles.
Mit der vorliegenden Studie wird der Versuch unternommen, die Dichotomie von Fiktion und Wirklichkeit aufzugeben zugunsten eines Modells, das dem kognitiven Charakter sprachlicher Bedeutungen Rechnung trägt und es so ermöglicht, der Funktion nichtfiktionaler Konzepte als Orientierungspunkte bei der Sinnkonstitution fiktionaler Erzähltexte gerecht zu werden. Dabei werden Ergebnisse der kognitiven Semantik für die Literaturwissenschaft fruchtbar gemacht, um ein neues theoretisches Fundament zur Differenzierung zwischen fiktionalen und nichtfiktionalen Teilen fiktionaler Erzählliteratur zu schaffen.
Wir legen hier eine Studie vor, die aus einer im Fach Allgemeine Literaturwissenschaft an der Bergischen Universität - Gesamthochschule Wuppertal geschriebenen Magisterarbeit hervorgegangen ist. Gegenstand der Arbeit ist ein Fallbeispiel: das literarische Werk des Kabarettisten und Schriftstellers Franz Hohler (besonders berücksichtigt wird das Kurzprosawerk). Gehalt der Arbeit ist (konkret an diesem Beispiel erarbeitet) ein generelles, übertragbares Modell zur Bedeutsamkeit kommunikativer Aspekte der Erzählliteratur allgemein.
The production of Σ0 baryons in the nuclear reaction p (3.5 GeV) + Nb (corresponding to sNN=3.18 GeV) is studied with the detector set-up HADES at GSI, Darmstadt. Σ0s were identified via the decay Σ0→Λγ with subsequent decays Λ→pπ− in coincidence with a e+e− pair from either external (γ→e+e−) or internal (Dalitz decay γ⁎→e+e−) gamma conversions. The differential Σ0 cross section integrated over the detector acceptance, i.e. the rapidity interval 0.5<y<1.1, has been extracted as ΔσΣ0=2.3±(0.2)stat±(−0.6+0.6)sys±(0.2)norm mb, yielding the inclusive production cross section in full phase space σΣ0total=5.8±(0.5)stat±(−1.4+1.4)sys±(0.6)norm±(1.7)extrapol mb by averaging over different extrapolation methods. The Λall/Σ0 ratio within the HADES acceptance is equal to 2.3±(0.2)stat±(−0.6+0.6)sys. The obtained rapidity and momentum distributions are compared to transport model calculations. The Σ0 yield agrees with the statistical model of particle production in nuclear reactions. Keywords: Hyperons, Strangeness, Proton, Nucleus.