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Heidelberg 2015 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 48: Poster

HK 48.39: Poster

Wednesday, March 25, 2015, 17:00–19:00, C/Foyer

Exploring Antihyperons Potentials in Nuclei by Antiproton-Nucleon Reactions — •Alicia Sanchez Lorente for the PANDA collaboration — Helmholtz Institut Mainz

The exclusive production of hyperon-Antihyperon pairs close to their production threshold in antiproton-nucleus collisions offers a unique and hitherto unexplored opportunity to study the behaviour of Antihyperons in nuclei. For the first time we analyse these reactions in a microscopic transport model using the Giessen Boltzmann-Uehling-Uhlenbeck Transportmodel (GiBUU). We find a substantial sensitivity of transverse momentum correlations of coincident AntiLambda-Lambda-pairs to the assumed depth of the AntiLambda potential. Rather than diminishing this effect, secondary scattering effects which are more pronounced at deeper AntiLambda potentials enhance this sensitivity. Because of the high cross section for this process and the simplicity of this method our results pave the way for experimental studies at the FAIR facility.

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