Detection of Neutrons using Geiger Counter

It is not common, but Geiger counters may also be used for neutron detection. In this case, the Geiger-Mueller tube must have the inside of the tube coated with boron, or the tube must contain boron trifluoride (BF3) or helium-3 as the fill gas.

Neutron Detection and Counting

How Do Geiger Counters Work?

Gamma-neutron detector

Figure 3 from Particle Detectors 1. Introduction 2. Gaseous Counters 2.1. Ionization Chambers 2.2. Proportional Counter 2.3. Geiger–müller Counters 3. Semiconductor Detectors 4. Methods of Neutron Detection 5. Track-etch Detectors 6. (δe,e)-technique

Left: Neutron interaction in boron-10 lined proportional counter.

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