Speaker
Description
The Gamma-Ray Energy Tracking Array (GRETA) Project started in 2017, following nearly a decade of successful science with the predecessor GRETINA array. Led by LBNL, with a team including partner institutions ANL, ORNL and FRIB, GRETA marked the completion of construction and initial commissioning of all technical systems (mechanical, electronics and computing) with a subset of Quad Detector modules in late summer of 2025. It is currently being installed at the Facility for Rare Isotope Beams (FRIB), with a full array of 30 Quad modules for the first time covering 80% of the 4$\pi$ solid angle. First PAC-approved science measurements are expected in early 2027. I will discuss physics highlights from the decade of GRETINA operations, and review the GRETA project, both scientific and technical aspects, and the progression toward anticipated first science at FRIB.