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Abstract

The gas amplification factors (gas gains) for BF₃, ³He + Kr, ³He + Ar + CO₂ and ³He + CF₄ filled neutron proportional counters in cylindrical geometry, as a function of the applied potential, are experimentally determined. The data obtained are analysed using the Diethorn and Bateman expressions and values for gas constants ΔV, K, W and λ calculated. The variation of W and λ with gas pressure is also studied.

Keywords

Gas filled proportional counter Neutron detector Gas gain First ionisation potential Electron mean free path

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Gas gain and characteristic gas constants for various neutron proportional counter gas mixtures

Abstract

Keywords

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