In particle physics, the quenched approximation is an approximation often used in lattice gage theory in which the quantum loops of fermions in Feynman diagrams are neglected.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: List the MITRE techniques contained in the text. ### Input: In particle physics, the quenched approximation is an approximation often used in lattice gage theory in which the quantum loops of fermions in Feynman diagrams are neglected. ### Response: .