Berlin 2005 – wissenschaftliches Programm
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HK: Physik der Hadronen und Kerne
HK 22: Postersitzung
HK 22.32: Poster
Montag, 7. März 2005, 16:30–18:00, TU MA141
Identification of heavy spallation residues in the Spaladin experiment — •Michael Böhmer — Physik Department E12, TU München
To improve our understanding of the spallation mechanism a complete experiment, called SPALADIN, has been performed in 2004 at GSI using the spallation reactions 56Fe+p in reverse kinematics at 1 GeV/A.
The detection in coincidence of all the characteristics (type and energy) of the evaporation particles (including neutrons) and of the heavy residue should permit the reconstruction of the remnant prior to evaporation in mass, charge and excitation energy.
The reconstruction of the heavy residue mass was done using a ring imaging Čerenkov detector for heavy ions with a velocity reolution of Δβ/β < 10−3 and the GSI ALADIN magnet. We will discuss the method and show first results from the experiment with about 50 different heavy residues identified.