38 René, Kalla Boller, Pascal Tavana, Parysatis PPH 10.5281/ZENODO.16567229 English This dataset was collected during experiment P-21-00005 conducted at the PHELIX Laser Facility at GSI Helmholtzzentrum für Schwerionenforschung GmbH. This complete dataset supports the findings from the paper and is structured in the following way: - calibration_source.pdf /// Contains details about the calibration source used to support detector calibration. - detector_calibration.xlsx /// Provides all relevant data for calibrating the detector in terms of energy and efficiency. - photon_spectrum.xlsx /// Includes information on the generated bremsstrahlung photon spectrum. - README.txt /// Describes the structure and interpretation of the data_p2023_shot_{} files. - data_p2023_shot_{} /// A series of files containing measured event data from high-purity germanium detectors, including the decay spectra of the produced isotopes. PUB:(DE-HGF)32, ; 26, ; Dataset 2025 GSI-2025-00913 2025 https://repository.gsi.de/record/360898 https://doi.org/10.5281/ZENODO.16567229