The Group of Nuclear Structure Research at IMP has been working in the field of level structures viaγ-ray measurements.In order to explore new physics in nuclei far from the valley of stability,we have recently completed the construction of a large-scaleγ-ray detection array,which in the standard working mode contains eight Clover detectors of the EXOGAM type[1]grouped into a ring at 90˚and sixteen HPGe detectors with the relative efficiency of 70%equally grouped into four rings at26˚and52˚relative to the beam axis.