The use of a Perovskite crystal as a detector for proton beam current

Using a Perovskite crystal, a thermal detector has been designed for measurements of proton beam currents. For a given energy, the detector has a linear response with current intensity and an inverse response with chopping frequency. Measurements up to 50 nA (4.5 MeV H/sup +/) were carried out using...

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Veröffentlicht in:IEEE transactions on nuclear science 1992-02, Vol.39 (1), p.25-28
Hauptverfasser: Cruvinel, P.E., Mascarenhas, S., Miranda, J., Flocchini, R.G.
Format: Artikel
Sprache:eng
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Zusammenfassung:Using a Perovskite crystal, a thermal detector has been designed for measurements of proton beam currents. For a given energy, the detector has a linear response with current intensity and an inverse response with chopping frequency. Measurements up to 50 nA (4.5 MeV H/sup +/) were carried out using a cyclotron, and a calibration curve is presented. The detector may be used over a wide range of energies, has a low cost, and is simple to construct. In addition, it can be used inside or outside vacuum, and it does not require an external bias field.< >
ISSN:0018-9499
1558-1578
DOI:10.1109/23.120132