Köln 2025 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 23: Poster

HK 23.15: Poster

Tuesday, March 11, 2025, 17:30–19:00, Foyer Physik

ALPACA: A novel setup for enhanced angular and particle coincidence measurements — •Leonardo Berisha, Christian Diefenbach, Markus Müllenmeister, Michael Weinert, and Andreas Zilges — University of Cologne, Institute for Nuclear Physics, Germany

The ALPACA (Array for anguLar PArticle Coincidence Analysis) setup, developed at the University of Cologne, enhances the study of nuclear reactions by offering precise angular and particle coincidence measurements [1]. This setup, designed to operate alongside the 10 MV FN Tandem accelerator, complements the existing SONIC@HORUS setup [2,3]. Twelve silicon (Δ E − E) telescopes, mounted on a rotatable plate, provide flexible angular coverage, while a high-resolution HPGe detector in the chamber lid allows for accurate γ-ray measurements. The chamber is equipped with a height-adjustable target ladder. The modular design of the detector mounts, featuring 3D-printed sleds and adjustable rails, ensures precise positioning of the detectors and ease of modification for future experiments. In this contribution, ALPACA and first commissioning experiments will be presented.

[1] G. Huppelsberg, Master’s thesis (2024), University of Cologne

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

[3] L. Netterdon et al., Nucl. Instr. and Meth. A 754 (2014) 94

Keywords: Scattering Setup; HPGe Detector; Particle Gamma Coincidence; Angular Distributions