Segmented YSO scintillation detectors as a new [formula omitted]-implant detection tool for decay spectroscopy in fragmentation facilities.

A newly developed segmented YSO scintillator detector was implemented for the first time at the RI-beam Factory at RIKEN Nishina Center as an implantation-decay counter. The results from the experiment demonstrate that the detector is a viable alternative to conventional silicon-strip detectors with its good timing resolution and high detection efficiency for β particles. A Position-Sensitive Photo-Multiplier Tube (PSPMT) is coupled with a 48 × 48 segmented YSO crystal. To demonstrate its capabilities, a known short-lived isomer in 76Ni and the β decay of 74Co were measured by implanting those ions into the YSO detector. The half-lives and γ -rays observed in this work are consistent with the known values. The β -ray detection efficiency is more than 80 % for the decay of 74Co. [ABSTRACT FROM AUTHOR]