Bonn 2020 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 6: Structure and Dynamics of Nuclei I

HK 6.2: Talk

Monday, March 30, 2020, 17:00–17:15, J-HS E

Phase-0 Experiments using the R3B CALIFA Calorimeter — •Lukas Ponnath for the R3B collaboration — Technische Universität München

According to recent observations neutron-star mergers providing a suitable system for the rapid neutron capture process (r-process) nucleosynthesis and thus for the origin of the heaviest elements in the universe. This process is dominated by nuclei with an extreme proton-to-neutron asymmetry which are guiding the the r-process-path through the nuclear chart far from stability.

The upcoming R3B (Reactions with Relativistic Radioactive Ion Beams) experiment at the research facility FAIR, currently under construction in Darmstadt, will enable kinematic complete measurements to gain a deep insight and understanding of the structure of these exotic nuclei.

One of the key instruments of the R3B experimental setup is the highly segmented CALIFA calorimeter surrounding the R3B reaction target. For the simultaneous in flight detection of gamma-rays and light charged particles CALIFA will provide unique resolution for relativistic beam energies.

We will present first results of the Phase-0 experiment of R3B where we operated the CALIFA demonstrator combined with R3B detectors and the GLAD magnet for the first time.