SHARC: Silicon Highly-segmented Array for Reactions and Coulex used in conjunction with the TIGRESS γ-ray spectrometer

• Published in: Journal of instrumentation Vol. 6; no. 2; pp. P02005 - 15
• Main Authors: Diget, C Aa, Fox, S P, Smith, A, Williams, S, Porter-Peden, M, Achouri, L, Adsley, P, Al-Falou, H, Austin, R A E, Ball, G C, Blackmon, J C, Brown, S, Catford, W N, Chen, A A, Chen, J, Churchman, R M, Dech, J, Valentino, D Di, Djongolov, M, Fulton, B R, Garnsworthy, A, Hackman, G, Hager, U, Kshetri, R, Kurchaninov, L, Laird, A M, Martin, J -P, Matos, M, Orce, J N, Orr, N A, Pearson, C J, Ruiz, C, Sarazin, F, Sjue, S, Smalley, D, Svensson, C E, Taggart, M, Tardiff, E, Wilson, G L
• Format: Journal Article
• Language: English
• Published: IOP Publishing 01.02.2011
• Subjects: Arrays; Beams (radiation); Detectors; Nuclear Experiment; Physics; Reactions (nuclear); Silicon; Spectrometers; Spectroscopy; Si microstrip and pad detectors; Gamma detectors (scintillators; Very low-energy charged particle detectors; CZT; HgI etc; HPG
• ISSN: 1748-0221; 1748-0221
• DOI: 10.1088/1748-0221/6/02/P02005

The combination of gamma -ray spectroscopy and charged-particle spectroscopy is a powerful tool for the study of nuclear reactions with beams of nuclei far from stability. This paper presents a new silicon detector array, SHARC, the Silicon Highly-segmented Array for Reactions and Coulex. The array is used at the radioactive-ion-beam facility at TRIUMF (Canada), in conjunction with the TIGRESS gamma -ray spectrometer, and is built from custom Si-strip detectors utilising a fully digital readout. SHARC has more than 50% efficiency, approximately 1000-strip segmentation, angular resolutions of Delta theta approximately 1.3 deg and Delta phi approximately 3:5 deg, 25-30 keV energy resolution, and thresholds of 200 keV for up to 25 MeV particles. SHARC is now complete, and the experimental program in nuclear astrophysics and nuclear structure has commenced.