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Advanced detector array unlocks new frontiers in nuclear research

The Gamma-Ray Energy Tracking Array has begun scientific operations, offering researchers an unmatched tool for exploring atomic nuclei and their role in cosmic processes.

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Source/event date: 28 Jul 2026

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A new phase in nuclear science has begun with the operational readiness of the Gamma-Ray Energy Tracking Array (GRETA). Installed at the Facility for Rare Isotope Beams, this cutting-edge spectrometer employs high-purity germanium detectors to examine atomic nuclei with greater precision than ever before. The recent commissioning process involved integrating the detector system, fine-tuning its performance, and gathering initial data to confirm its capabilities. This achievement represents a collaboration among leading research institutions, including Lawrence Berkeley National Laboratory, Argonne National Laboratory, and Oak Ridge National Laboratory, all working alongside the Facility for Rare Isotope Beams team. GRETA’s advanced design will allow scientists to investigate fundamental questions about nuclear structure, the processes that shape elements in stars, and subtle asymmetries in nature. The insights gained will refine theoretical models, with potential applications spanning energy development, medical advancements, and national security. By pushing the boundaries of detection technology, GRETA opens new avenues for discovery in both nuclear physics and astrophysics.

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  1. 1Lawrence Berkeley National LaboratoryTier AGRETA Comes Online for a New Era of Nuclear Sciencenewscenter.lbl.gov
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