München 2019 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 30: Instrumentation VI

HK 30.5: Vortrag

Dienstag, 19. März 2019, 18:00–18:15, HS 11

SONIC III - An advanced particle spectrometer for the HORUS setup in CologneV. Everwyn1, S. G. Pickstone1, A. Bohn1, M. Färber1, •F. Kluwig1, M. Müscher1, S. Prill1, P. Scholz1, M. Spieker2, M. Steffan1, M. Weinert1, J. Wilhelmy1, and A. Zilges11University of Cologne, Institute for Nuclear Physics — 2NSCL, Michigan State University, MI 48824, USA

In the last few years, the particle spectrometer SONIC at the Tandem accelerator of the University of Cologne was steadily developed and now, in its third version, consists of 12 silicon PIPS detectors (single or E-E telescopes) with a total solid angle coverage of 9%[1]. In combination with the γ-ray spectrometer HORUS, consisting of 14 HPGe detectors, p-γ coincidence measurements are performed. The combined setup is well suited to investigate inelastic scattering and, in its E-E configuration, also transfer reactions in a wide mass region using beams provided the a 10 MV FN Tandem accelerator. With the new version of SONIC multiple lifetime measurements were performed using the DSA method and excitation responses as well as γ-decay branching ratios were studied with an improved accuracy.

In this contribution, SONIC III and its improvements compared to prior versions will be presented.

Supported by the DFG (ZI-510/9-1). A.B. is supported by the Bonn-Cologne Graduate School of Physics and Astronomy.

[1] S. G. Pickstone et al., Nucl. Instr. and Meth. A 875 (2017) 104.

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