Neutron detectors such as the EJ309, Helium-3 (He-3), and Lithium Iodide (LiI) detectors each have unique features and applications. The EJ309 detector is a liquid scintillator known for its excellent pulse shape discrimination (PSD) capabilities, which allows it to effectively distinguish between neutron and gamma radiation. This makes it suitable for various neutron detection applications, including fast neutron multiplicity counting.

The He-3 detector, a gas-filled detector, is highly sensitive to thermal neutrons and is renowned for its high efficiency and good gamma rejection. It is commonly used in neutron scattering experiments, security screening, and scientific research.

Lastly, the LiI detector, a scintillation detector utilizing lithium-6 (Li-6), is effective for thermal neutron detection and provides good energy resolution, making it useful in neutron spectroscopy and various scientific research applications. These detectors play crucial roles in fields such as nuclear physics, medical imaging, and security.