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The TRIUMF-ISAC gamma-ray escape suppressed specrometer, TIGRESS

Abstract

The TRIUMF-ISAC Gamma-Ray Escape Suppressed Spectrometer is a high energy-resolution, high efficiency γ-ray detector array for radioactive beam experiments. It consists of high-purity germanium detectors with scintillator suppressors and waveform digitization. TIGRESS can operate in modes optimized for either maximum efficiency or for high peak-to-total, and can switch between these modes within a day. The digitized waveforms provide 6 mm FWHM position resolution for incident 137Cs γ rays. The array hosts a suite of auxilliary detectors for charged particles and neutrons.

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Correspondence to G. Hackman.

Additional information

ISAC and ARIEL: The TRIUMF Radioactive Beam Facilities and the Scientific Program.

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Hackman, G., Svensson, C.E. The TRIUMF-ISAC gamma-ray escape suppressed specrometer, TIGRESS. Hyperfine Interact 225, 241–251 (2014). https://doi.org/10.1007/s10751-013-0905-7

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Keywords

  • In-beam γ-ray spectroscopy
  • Accelerated radioactive beams