PURPOSE: To provide a radiation detector and a radiation measuring apparatus which are hardly deteriorated even in higly radioactive environment and high temperature environment and also provide a radiation measuring apparatus which can make the distribution of radiation quantity visible.
CONSTITUTION: Regarding the radiation detector which is a detector provided with a substance which generates positively or negatively charged particles by radiation of any of α-ray, γ-ray, and neutron beam and also provided with a cathode or an anode to capture the generated positively or negatively charged particles in order to generate electric signals following the number of the charged particles and measure the radiation quantity, the cathode is a cold- cathode 11 which can emit electrons.
KOHAMA MASAO
NAKAMOTO MASAYUKI
ICHIMURA KOICHI
