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 t...
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| Veröffentlicht in: | Radiation protection dosimetry 2007-01, Vol.126 (1-4), p.253-255 |
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| container_title | Radiation protection dosimetry |
| container_volume | 126 |
| creator | Miller, L. F. Preston, J. Pozzi, S. Flaska, M. Neal, J. |
| description | 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. |
| doi_str_mv | 10.1093/rpd/ncm052 |
| format | Article |
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F. ; Preston, J. ; Pozzi, S. ; Flaska, M. ; Neal, J.</creator><creatorcontrib>Miller, L. F. ; Preston, J. ; Pozzi, S. ; Flaska, M. ; Neal, J.</creatorcontrib><description>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.</description><identifier>ISSN: 0144-8420</identifier><identifier>EISSN: 1742-3406</identifier><identifier>DOI: 10.1093/rpd/ncm052</identifier><identifier>PMID: 17575295</identifier><language>eng</language><publisher>England: Oxford University Press</publisher><subject>Algorithms ; Discriminant Analysis ; Equipment Design ; Equipment Failure Analysis ; Neutrons ; Pattern Recognition, Automated - methods ; Radiation Dosage ; Radiation Monitoring - instrumentation ; Radiation Monitoring - methods ; Radiation Protection - instrumentation ; Radiation Protection - methods ; Reproducibility of Results ; Sensitivity and Specificity ; Signal Processing, Computer-Assisted - instrumentation</subject><ispartof>Radiation protection dosimetry, 2007-01, Vol.126 (1-4), p.253-255</ispartof><rights>The Author 2007. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org 2007</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c353t-4150ac2a849d2cf1694073c43e3475247bec8b478df26d3acf17a50e60fae2cf3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,1584,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/17575295$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Miller, L. F.</creatorcontrib><creatorcontrib>Preston, J.</creatorcontrib><creatorcontrib>Pozzi, S.</creatorcontrib><creatorcontrib>Flaska, M.</creatorcontrib><creatorcontrib>Neal, J.</creatorcontrib><title>Digital pulse shape discrimination</title><title>Radiation protection dosimetry</title><addtitle>Radiat Prot Dosimetry</addtitle><description>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.</description><subject>Algorithms</subject><subject>Discriminant Analysis</subject><subject>Equipment Design</subject><subject>Equipment Failure Analysis</subject><subject>Neutrons</subject><subject>Pattern Recognition, Automated - methods</subject><subject>Radiation Dosage</subject><subject>Radiation Monitoring - instrumentation</subject><subject>Radiation Monitoring - methods</subject><subject>Radiation Protection - instrumentation</subject><subject>Radiation Protection - methods</subject><subject>Reproducibility of Results</subject><subject>Sensitivity and Specificity</subject><subject>Signal Processing, Computer-Assisted - instrumentation</subject><issn>0144-8420</issn><issn>1742-3406</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9z01LxDAQBuAgiruuXvwBUgQvQt1JMmnao6wfFRZEWEF6CWmaanS7LU0X9N8b6aI3T3OYZz5eQk4pXFHI-LzvqvnGNCDYHplSiSzmCMk-mQJFjFNkMCFH3r8DMJkJPCQTKoUULBNTcn7jXt2g11G3XXsb-Tfd2ahy3vSucRs9uHZzTA5qHZonuzojz3e3q0UeLx_vHxbXy9hwwYcYqQBtmE4xq5ipaZIhSG6QW47hGMrSmrREmVY1SyquA5FagE2g1jYM8Bm5HPeavvW-t7XqwhO6_1IU1E9QFYKqMWjAZyPutmVjqz-6SxbAxQjabff_onh0zg_281fq_kMlkkuh8pdCFU88X0laqIR_A_70akk</recordid><startdate>20070101</startdate><enddate>20070101</enddate><creator>Miller, L. 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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.</abstract><cop>England</cop><pub>Oxford University Press</pub><pmid>17575295</pmid><doi>10.1093/rpd/ncm052</doi><tpages>3</tpages></addata></record> |
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| ispartof | Radiation protection dosimetry, 2007-01, Vol.126 (1-4), p.253-255 |
| issn | 0144-8420 1742-3406 |
| language | eng |
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| source | MEDLINE; Oxford University Press Journals All Titles (1996-Current) |
| subjects | Algorithms Discriminant Analysis Equipment Design Equipment Failure Analysis Neutrons Pattern Recognition, Automated - methods Radiation Dosage Radiation Monitoring - instrumentation Radiation Monitoring - methods Radiation Protection - instrumentation Radiation Protection - methods Reproducibility of Results Sensitivity and Specificity Signal Processing, Computer-Assisted - instrumentation |
| title | Digital pulse shape discrimination |
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