Abstract
Cryogenic detectors have recently been applied for the first time as ion detectors in time-of-flight mass spectrometry (TOF-MS). Because of their energy sensitivity cryogenic detectors are expected to have near 100% efficiency even for very large, slow-moving molecules, in contrast to microchannel plates whose efficiency drops considerably at large mass. Thus, cryogenic detectors could contribute to extending the mass range accessible by TOF-MS and help improving detection limits. In addition, the energy resolution provided by cryogenic detectors can be used for charge discrimination and studies of ion fragmentation, ion-detector interaction, and internal energies of large molecular ions. Cryogenic detectors could therefore prove to be a valuable diagnostic tool in TOF-MS. Here I summarize the results of recent demonstration experiments.
Original language | English (US) |
---|---|
Pages (from-to) | 375-384 |
Number of pages | 10 |
Journal | Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment |
Volume | 444 |
Issue number | 1 |
DOIs | |
State | Published - Apr 7 2000 |
Externally published | Yes |
Event | 8th International Workshop on Low Temperature Detectors (LTD-8) - Dalfsen, Neth Duration: Aug 15 1999 → Aug 20 1999 |
ASJC Scopus subject areas
- Nuclear and High Energy Physics
- Instrumentation