Author/Authors :
Schumaker، نويسنده , , M.A. and Hackman، نويسنده , , G. and Pearson، نويسنده , , C.J. and Svensson، نويسنده , , C.E. and Andreoiu، نويسنده , , C. and Andreyev، نويسنده , , A. and Austin، نويسنده , , R.A.E. and Ball، نويسنده , , G.C. and Bandyopadhyay، نويسنده , , Kellie D. and Boston، نويسنده , , A.J. and Chakrawarthy، نويسنده , , R.S. and Churchman، نويسنده , , R. and Drake، نويسنده , , T.E. and Finlay، نويسنده , , P. and Garrett، نويسنده , , P.E. and Grinyer، نويسنده , , G.F. and Hyland، نويسنده , , B. and Jones، نويسنده , , B. and Maharaj، نويسنده , , R. and Morton، نويسنده , , A.C. and Phillips، نويسنده , , A.A. and Sarazin، نويسنده , , F. and Scraggs، نويسنده , , H.C. and Smith، نويسنده , , M.B. and Valiente-Dobَn، نويسنده , , J.J. and Waddington، نويسنده , , J.C. and Watters، نويسنده , , L.M.، نويسنده ,
Abstract :
Tests of the performance of a 32-fold segmented HPGe clover detector coupled to a 20-fold segmented Compton-suppression shield, which form a prototype element of the TRIUMF-ISAC Gamma-Ray Escape-Suppressed Spectrometer (TIGRESS), have been made. Peak-to-total ratios and relative efficiencies have been measured for a variety of γ -ray energies. These measurements were used to validate a GEANT4 simulation of the TIGRESS detectors, which was then used to create a simulation of the full 12-detector array. Predictions of the expected performance of TIGRESS are presented. These predictions indicate that TIGRESS will be capable, for single 1 MeV γ rays, of absolute detection efficiencies of 17% and 9.4%, and peak-to-total ratios of 54% and 61% for the “high-efficiency” and “optimized peak-to-total” configurations of the array, respectively.
