NaI Cs-137 signal at PMT output: the bright band shows the 661 keV line with the smaller Compton scattered energies below. At the top of the image, the small time-defining pulse derived from signal rise time by a CFD.
Application for nuclear sample mesurements
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High resolution anti-Compton, γ-spectroscopy system.
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HPGe detector sheathed by NaI detectors and placed in a low backgroud lead shield.
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Highest suppression of multi-photon gamma-emitter
For National and international organizations and companies in
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Universities, research centers, nuclear medicine
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Environmental, health and food surveillance and laboratories Industry- and nuclear technology
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Dismantling, consulting, waste management
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Civil defense, emergency response, border, safety, security and access control
System description
HPGe γ-Detectors
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Medium planar crystals, Diameter: 5, 7 cm; Thickness: 1.5, 2, 3 cm
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Medium coaxial crystals, Efficiency: from 30 % up to 80 %
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Low background (LB) version
Sample Geometry
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Optimal for point & filter sources & small Petrie shells
Spectrometry Electronics, Hardware and Software
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State-of-the-Art digital spectrometry electronic
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High performance data acquisition system
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Latest analysis software solution
NaI(Tl) detectors with very low K-40 content
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Annular detector
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Guard detector
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Forward scattering detectors (optional)
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Including fast Anti-Compton electronic
Shielding Design
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Passive low-background sandwich lead shield for photon absorption
Spectrum
Typical spectrum from ISuS anti-Compton spectrometers (Compton suppression on/of) with unequalled highest suppression factor (97 at a 200 keV) starting from 2 MeV down to ~15 keV as an example for a multiple γ-transition radionuclide such as Br-82.
TIME IS MONEY!
Easy sample change by open and close the lead castle and annular crystal only.