proton-induced x-ray emission
Also found in: Acronyms.
proton-induced x-ray emission[′prō‚tän in‚düst ′eks‚rā i‚mish·ən]
A method of elemental analysis in which the energy of the characteristic x-rays emitted when a sample is bombarded with a beam of energetic protons is used to identify the elements present in the sample. Abbreviated PIXE.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.