Digital pulse shape discrimination
Pulse-shape discrimination (PSD) has been utilised for about 40 years as a method to obtain estimates for dose in mixed neutron and photon fields. Digitizers that operate close to GHz are currently available at a reasonable cost, and they can be used to directly sample signals from photomultiplier tubes. This permits one to perform digital PSD rather than the traditional, and well-established, analogoue techniques. One issue that complicates PSD for neutrons in mixed fields is that the light output characteristics of typical scintillators available for PSD, such as BC501A, vary as a function of energy deposited in the detector. This behaviour is more easily accommodated with digital processing of signals than with analogoue signal processing. Results illustrate the effectiveness of digital PSD.
| Medienart: |
Artikel |
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| Erscheinungsjahr: |
2007 |
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| Erschienen: |
2007 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:126 |
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| Enthalten in: |
Radiation protection dosimetry - 126(2007), 1-4 vom: 24., Seite 253-5 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Miller, L F [VerfasserIn] |
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| Themen: |
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| Anmerkungen: |
Date Completed 24.09.2008 Date Revised 19.03.2008 published: Print-Electronic Citation Status MEDLINE |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM170948153 |
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| 245 | 1 | 0 | |a Digital pulse shape discrimination |
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| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Pulse-shape discrimination (PSD) has been utilised for about 40 years as a method to obtain estimates for dose in mixed neutron and photon fields. Digitizers that operate close to GHz are currently available at a reasonable cost, and they can be used to directly sample signals from photomultiplier tubes. This permits one to perform digital PSD rather than the traditional, and well-established, analogoue techniques. One issue that complicates PSD for neutrons in mixed fields is that the light output characteristics of typical scintillators available for PSD, such as BC501A, vary as a function of energy deposited in the detector. This behaviour is more easily accommodated with digital processing of signals than with analogoue signal processing. Results illustrate the effectiveness of digital PSD | ||
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Preston, J |e verfasserin |4 aut | |
| 700 | 1 | |a Pozzi, S |e verfasserin |4 aut | |
| 700 | 1 | |a Flaska, M |e verfasserin |4 aut | |
| 700 | 1 | |a Neal, J |e verfasserin |4 aut | |
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