Model-based pulse deconvolution method for NaI(Tl) detectors
To overcome the long-standing problem of pulse pile-up in radiation detection with scintillation detectors, a direct pulse deconvolution method is put forward based on a newly developed convolution model. By removing all the exponential tails that come from the response of the scintillator and the P...
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| Veröffentlicht in: | Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2015-01, Vol.769, p.5-8 |
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| container_title | Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment |
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| creator | Xiao, Wuyun Farsoni, Abi T. Yang, Haori Hamby, David M. |
| description | To overcome the long-standing problem of pulse pile-up in radiation detection with scintillation detectors, a direct pulse deconvolution method is put forward based on a newly developed convolution model. By removing all the exponential tails that come from the response of the scintillator and the PMT, the pulses can be efficiently deconvoluted into ultra-narrow pulses. With a proper filter, a good trade-off between energy resolution and count rate can be easily achieved. To demonstrate this method, the energy spectrum of 137Cs was measured with a ∅76mm×76mm NaI(Tl) detector, and an energy resolution of 8.83% was achieved with a minimum resolvable pulse interval of 200ns. Compared with some other existing pulse processing methods, this method offers good pulse shape and satisfying energy resolution. |
| doi_str_mv | 10.1016/j.nima.2014.09.034 |
| format | Article |
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By removing all the exponential tails that come from the response of the scintillator and the PMT, the pulses can be efficiently deconvoluted into ultra-narrow pulses. With a proper filter, a good trade-off between energy resolution and count rate can be easily achieved. To demonstrate this method, the energy spectrum of 137Cs was measured with a ∅76mm×76mm NaI(Tl) detector, and an energy resolution of 8.83% was achieved with a minimum resolvable pulse interval of 200ns. 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Compared with some other existing pulse processing methods, this method offers good pulse shape and satisfying energy resolution.</description><subject>Accelerators</subject><subject>Convolution model</subject><subject>Counting</subject><subject>Deconvolution</subject><subject>Detectors</subject><subject>Energy resolution</subject><subject>Energy spectrometry</subject><subject>Intervals</subject><subject>NaI(Tl) detector</subject><subject>Pulse deconvolution</subject><subject>Pulse shape</subject><subject>Tradeoffs</subject><issn>0168-9002</issn><issn>1872-9576</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNp9kD1PwzAQQC0EEqXwB5gyliHBH4kTS11QRaFSgaXMlmOfhas0LnZSiX-PozJzyy3vnXQPoXuCC4IJf9wXvTuogmJSFlgUmJUXaEaamuaiqvklmiWoyQXG9BrdxLjHaUTdzNDyzRvo8lZFMNlx7CJkBrTvT74bB-f77ADDlzeZ9SF7V5vFrntIwAB68CHeoiurknL3t-foc_28W73m24-Xzeppm2vG2JBXtmw4p6JtqTLWcoZtqaHCqlWNMbyqgWrGRSMoJQpTWrbUMkNoVSpDK63ZHC3Od4_Bf48QB3lwUUPXqR78GCXhk10SUSWUnlEdfIwBrDyGVCb8SILllEru5ZRKTqkkFjKlStLyLEF64uQgyKgd9BqMC-lTabz7T_8FYY9xfQ</recordid><startdate>20150101</startdate><enddate>20150101</enddate><creator>Xiao, Wuyun</creator><creator>Farsoni, Abi T.</creator><creator>Yang, Haori</creator><creator>Hamby, David M.</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20150101</creationdate><title>Model-based pulse deconvolution method for NaI(Tl) detectors</title><author>Xiao, Wuyun ; Farsoni, Abi T. ; Yang, Haori ; Hamby, David M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c333t-5f486629bb2adff630f4ce50aba8dd657e2c36989221a0224b2f3d1254ad25cc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Accelerators</topic><topic>Convolution model</topic><topic>Counting</topic><topic>Deconvolution</topic><topic>Detectors</topic><topic>Energy resolution</topic><topic>Energy spectrometry</topic><topic>Intervals</topic><topic>NaI(Tl) detector</topic><topic>Pulse deconvolution</topic><topic>Pulse shape</topic><topic>Tradeoffs</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Xiao, Wuyun</creatorcontrib><creatorcontrib>Farsoni, Abi T.</creatorcontrib><creatorcontrib>Yang, Haori</creatorcontrib><creatorcontrib>Hamby, David M.</creatorcontrib><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Nuclear instruments & methods in physics research. 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| ispartof | Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, 2015-01, Vol.769, p.5-8 |
| issn | 0168-9002 1872-9576 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1669894195 |
| source | Elsevier ScienceDirect Journals Complete |
| subjects | Accelerators Convolution model Counting Deconvolution Detectors Energy resolution Energy spectrometry Intervals NaI(Tl) detector Pulse deconvolution Pulse shape Tradeoffs |
| title | Model-based pulse deconvolution method for NaI(Tl) detectors |
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