The GRIFFIN Facility for Decay-Spectroscopy Studies at TRIUMF-ISAC
A.B. Garnsworthy, C.E. Svensson, M. Bowry, R. Dunlop, A.D. MacLean, B., Olaizola, J.K. Smith, F.A. Ali, C. Andreoiu, J.E. Ash, W.H. Ashfield, G.C., Ball, T. Ballast, C. Bartlett, Z. Beadle, P.C. Bender, N. Bernier, S.S., Bhattacharjee, H. Bidaman, V. Bildstein, D. Bishop
TL;DR
GRIFFIN is a high-efficiency gamma-ray spectrometer designed for decay spectroscopy of low-energy radioactive ion beams at TRIUMF-ISAC, featuring 16 Compton-suppressed HPGe detectors and advanced data acquisition.
Contribution
This paper introduces the design, components, and performance of the GRIFFIN spectrometer, a new facility for decay spectroscopy at TRIUMF-ISAC.
Findings
High detection efficiency demonstrated
Effective background suppression achieved
Advanced data analysis techniques implemented
Abstract
Gamma-Ray Infrastructure For Fundamental Investigations of Nuclei, GRIFFIN, is a new high-efficiency -ray spectrometer designed for use in decay spectroscopy experiments with low-energy radioactive ion beams provided by TRIUMF's Isotope Separator and Accelerator (ISAC-I) facility. GRIFFIN is composed of sixteen Compton-suppressed large-volume clover-type high-purity germanium (HPGe) -ray detectors combined with a suite of ancillary detection systems and coupled to a custom digital data acquisition system. The infrastructure and detectors of the spectrometer as well as the performance characteristics and the analysis techniques applied to the experimental data are described.
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