Postacceleration detector

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Postacceleration detector
A detector in which the charged particles are accelerated to a high velocity and impinge on a conversion dynode, emitting secondary electrons. The electrons are accelerated onto a phosphor screen, which emits photons that are in turn detected using a photomultiplier or other photon detector.
Related Term(s): Daly detector

This is an unofficial draft definition presented for information and comment. For current IUPAC recommended mass spectrometry terms, see the Definitions of Terms Relating to Mass Spectrometry (IUPAC Recommendations 2013); DOI: 10.1351/PAC-REC-06-04-06 © IUPAC 2013.