Mainz 2012 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 35: Instrumentation

HK 35.1: Gruppenbericht

Mittwoch, 21. März 2012, 16:30–17:00, P 3

PRESPEC-AGATA: New prespectives for γ-spectroscopy. — F. Ameil¹, •P. Boutachkov², M.L. Cortes², J. Gerl¹, A. Givechev², N. Goel¹, M. Gorska¹, E. Gregor², G. Guastalla², T. Habermann³, I. Kojouharov¹, V. Lushta², E. Merchan^1,2, T. Moeller², P.T. Patchakui², N. Pietralla², S. Pietri¹, D. Ralet², M. Reese², H. Schaffner¹, P.P. Singh², B. Szczepanczyk², H.J. Wollersheim¹, A. Gadea⁴, and W. Korten⁵ — ¹GSI — ²IKP, TU Darmstadt — ³Uni. of Frankfurt — ⁴Uni. of Valencia, Spain — ⁵CEA Saclay, France

The PRESPEC-AGATA setup is a unique combination of the GSI accelerator facility, the Fragment Separator(FRS), the Advanced Gamma Tracking Array(AGATA), the HECTOR array and the LYCCA-0 Calorimeter. With this setup high-resolution in-flight spectroscopy of relativistic(β∼0.4-0.5) exotic nuclei will be performed. A thick target positioned at the final focal plane of the FRS will be used for Coulomb excitation or fragmentation of the exotic ions separated with the FRS. The γ-rays emitted in these reactions will be detected by the AGATA and HECTOR arrays. The fragments produced at the secondary target will be identified and tracked by LYCCA-0. Compared to the RISING array, the improved energy resolution and efficency of the AGATA array is expected to lead to a gain in sensitivity of a factor of 10 and 100 for γ-particles and γ-γ-particle coincidences, respectively. The perspectives of the new setup will be discussed. Supported by the BMBF under 06DA9040I, by HICforFAIR, and by the HGF under VH-VI-417.