e. The electric field between the anode and the Objective B.2 cathode draws the ions toward the electrodes. (1) Positive ions are drawn to the cathode. (2) Electrons (negative charge) are to the anode. f. A charge collects on the electrode causing a voltage change in the circuit (pulse). g. The pulse causes a current to flow in the meter. h. The amount of current flow is representative of the energy and amount of radiation that caused the ionization in the detector. 3. Factors That Affect The Number of Ions Pairs Objective B.3 Created In A Gas Filled Detector: a. of radiation. Type b. of the radiation. Energy c. of radiation. Quantity d. and Detector size shape. e. and of fill Pressure type gas. f. potential across the electrodes. Voltage
e. The electric field between the anode and the cathode draws the ions toward the electrodes. (1) Positive ions are drawn to the cathode. (2) Electrons (negative charge) are to the anode. Objective B.2 f. A charge collects on the electrode causing a voltage change in the circuit (pulse). g. The pulse causes a current to flow in the meter. h. The amount of current flow is representative of the energy and amount of radiation that caused the ionization in the detector. 3. Factors That Affect The Number of Ions Pairs Created In A Gas Filled Detector: a. Type of radiation. b. Energy of the radiation. c. Quantity of radiation. d. Detector size and shape. e. Pressure and type of fill gas. f. Voltage potential across the electrodes. Objective B.3
RadiationDetectionPrinciples.docx