Mainz 2012 – wissenschaftliches Programm
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HK: Fachverband Physik der Hadronen und Kerne
HK 45: Poster – Hadronenstruktur und -spektroskopie
HK 45.9: Poster
Donnerstag, 22. März 2012, 14:00–16:00, P Foyer
Statistic decay of slightly excited hyperfragments — •Alicia Sanchez Lorente — HIM, Mainz, Deutschland — Institut fuer Kernphysik, Mainz, Deutschland
Combining the unique features of the hypernuclear electro-production mechanism and the high precision in magnetic spectroscopy, the proposed E-08-012 experiment at Jefferson Lab, Virginia, and the scheduled hypernuclear experiment at MAMI, Germany, focus on the high-resolution spectroscopy of weak two-body decay pions from hypernuclei. These experiments will provide insight on a wide range of light hypernuclei via the production of hyperfragments from 6,7Li, 9Be and 12C targets. In the present work we explore the production of Λ-hypernuclei following the micro-canonical break-up of an excited hypernucleus which is created by the electro/photo-production reaction. This method has already been successfully used for the PANDA experiment to determine to what extent excited states of a produced doubleΛ-Hypernucleus can be produced. Accordingly the model is used to predict the pionic decay spectra and relative fragmentation yields for the planned hypernuclear experiment at MAMI.