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Detecting γ radiation with a scintillation counter /
Scintillation counter

Scintillation counter

559901

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Description

For the detection of β-, γ - and x-ray fluorescence radiation (intensity measurement, e.g. with experiments on absorption) as well as for measurements on their respective quantum energies. Thallium-doped sodium iodide crystal with thin aluminium housing to protect from stray light. Crystal permanently coupled to photomultiplier, which is shielded against magnetic fields.

Technical data

Scintillator:
Crystal: NaI (Ti)
Diameter: 38.1 mm
Thickness: 50.8 mm
Aluminium shielding: 0.4 mm
Secondary electron photomultiplier:
Bialkali photocathode
Diameter: 50.8 mm
Sensitivity: max. 370 nm
Quantum yield: 22 % approx.
Photocathode material: bialkali
Number of dynodes: 10
Dynode material: K₂CsSb
Typical operating voltage: 800 V ±200 V,
stabilized
Energy required for radiation:
E_γ >15 keV
E_β >550 keV
Energy resolution: 7.5% at 662 keV
Length: 25 cm
Diameter: 6 cm

Related Documents

PDF (Instruction Sheet)	[559 901] Scintillation counter
PDF (Description from CASSY Lab)	P6.5.5.1 Detecting ? radiation with a scintillation counter
PDF (Description from CASSY Lab)	P6.5.5.2 Recording and calibrating a ? spectrum
PDF (Description from CASSY Lab)	P6.5.5.3 Absorption of ? radiation
PDF (Description from CASSY Lab)	P6.5.5.4 Identifying and determining the activity of radioactive samples
PDF (Description from CASSY Lab)	P6.5.5.5 Recording a ß spectrum with a scintillation counter
PDF (Description from CASSY Lab)	P6.5.5.6 Coincidence and ?-? angular correlation in positron decay
PDF (Description from CASSY Lab)	P6.5.5.7 Coincidence at ? decay of cobalt
PDF (Description from CASSY Lab)	P6.5.6.1 Quantitative observation of the Compton effect

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Scintillation counter

Description

Technical data

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