BSI αmber-8 阿尔法光谱仪 (3 – 8 MeV)

Energy range of detector operation, MeV: 3 – 8

Instrumental background, cps/hour: < 2

Maximum input count rate, cps: >50000

Detector sensitive area, mm2: 450 (optionally 50 - 1200)

Detector thickness, µm: 400

Detector bias voltage, V: 50

Energy resolution for 5.49 MeV, keV: < 20

Absolute detection efficiency at the distance of 5 mm from the sensitive area of the detector, %: > 20

Count rate: 0-50 000 pulses/s

Shaping time constant, switchable: 1 µs

Variable gain coarse and fine: Up to 500

Noise level (referred to the input): < 3 mV for 2 µs

Pole-zero adjustment: Available

Live time correction: Available

Opportunity to operate with pulse feedback preamplifier: Available

Base line auto restoration: Available

Gain stability: <0.0075 %/s

Integral nonlinearity: < 0.025 %

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