A Pulse Shape Analysis technique for the MAJORANA experiment
In order to achieve background count rates sufficiently low so as to allow the observation of rare events such as neutrinoless double beta (0νββ) decay, background suppression techniques are routinely employed. In this paper we present details of a novel Pulse Shape Analysis algorithm, which allows...
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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, 2011-02, Vol.629 (1), p.303-310 |
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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 | Cooper, R.J. Radford, D.C. Lagergren, K. Colaresi, James F. Darken, Larry Henning, R. Marino, M.G. Michael Yocum, K. |
| description | In order to achieve background count rates sufficiently low so as to allow the observation of rare events such as neutrinoless double beta (0νββ) decay, background suppression techniques are routinely employed. In this paper we present details of a novel Pulse Shape Analysis algorithm, which allows single-site events such as 0νββ decay to be distinguished from multi-site background events in germanium detectors. The algorithm, which is based on the event-by-event
χ
2 fitting of experimental signals to a basis data set of unique single-site pulse shapes, has been developed through simulation studies and tested experimentally using a Broad Energy Germanium detector. It is found experimentally that the technique is able to successfully identify and reject 99% of multi-site events in the single escape peak associated with the gamma decay of
208Tl, whilst maintaining a survival probability of 98% for neutrinoless double-beta-decay-like double escape peak events. |
| doi_str_mv | 10.1016/j.nima.2010.11.029 |
| format | Article |
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χ
2 fitting of experimental signals to a basis data set of unique single-site pulse shapes, has been developed through simulation studies and tested experimentally using a Broad Energy Germanium detector. It is found experimentally that the technique is able to successfully identify and reject 99% of multi-site events in the single escape peak associated with the gamma decay of
208Tl, whilst maintaining a survival probability of 98% for neutrinoless double-beta-decay-like double escape peak events.</description><identifier>ISSN: 0168-9002</identifier><identifier>EISSN: 1872-9576</identifier><identifier>DOI: 10.1016/j.nima.2010.11.029</identifier><language>eng</language><publisher>United States: Elsevier B.V</publisher><subject>Accelerators ; ALGORITHMS ; BACKGROUND RADIATION ; Background rejection ; Beta ; Counting ; Decay ; Detectors ; DOUBLE BETA DECAY ; ESCAPE PEAKS ; GAMMA DECAY ; GE SEMICONDUCTOR DETECTORS ; HPGe detector ; INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY ; MITIGATION ; Neutrinoless double beta decay ; Pulse shape ; Pulse Shape Analysis ; PULSE SHAPERS ; Survival</subject><ispartof>Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, 2011-02, Vol.629 (1), p.303-310</ispartof><rights>2010 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c360t-b92764b781afc148c4706cdd4be6df83e4158526f9d618dd6ba0f2551352e4813</citedby><cites>FETCH-LOGICAL-c360t-b92764b781afc148c4706cdd4be6df83e4158526f9d618dd6ba0f2551352e4813</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.nima.2010.11.029$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,314,776,780,881,3536,27903,27904,45974</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/1005185$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Cooper, R.J.</creatorcontrib><creatorcontrib>Radford, D.C.</creatorcontrib><creatorcontrib>Lagergren, K.</creatorcontrib><creatorcontrib>Colaresi, James F.</creatorcontrib><creatorcontrib>Darken, Larry</creatorcontrib><creatorcontrib>Henning, R.</creatorcontrib><creatorcontrib>Marino, M.G.</creatorcontrib><creatorcontrib>Michael Yocum, K.</creatorcontrib><creatorcontrib>Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)</creatorcontrib><creatorcontrib>Holifield Radioactive Ion Beam Facility</creatorcontrib><title>A Pulse Shape Analysis technique for the MAJORANA experiment</title><title>Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment</title><description>In order to achieve background count rates sufficiently low so as to allow the observation of rare events such as neutrinoless double beta (0νββ) decay, background suppression techniques are routinely employed. In this paper we present details of a novel Pulse Shape Analysis algorithm, which allows single-site events such as 0νββ decay to be distinguished from multi-site background events in germanium detectors. The algorithm, which is based on the event-by-event
χ
2 fitting of experimental signals to a basis data set of unique single-site pulse shapes, has been developed through simulation studies and tested experimentally using a Broad Energy Germanium detector. It is found experimentally that the technique is able to successfully identify and reject 99% of multi-site events in the single escape peak associated with the gamma decay of
208Tl, whilst maintaining a survival probability of 98% for neutrinoless double-beta-decay-like double escape peak events.</description><subject>Accelerators</subject><subject>ALGORITHMS</subject><subject>BACKGROUND RADIATION</subject><subject>Background rejection</subject><subject>Beta</subject><subject>Counting</subject><subject>Decay</subject><subject>Detectors</subject><subject>DOUBLE BETA DECAY</subject><subject>ESCAPE PEAKS</subject><subject>GAMMA DECAY</subject><subject>GE SEMICONDUCTOR DETECTORS</subject><subject>HPGe detector</subject><subject>INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY</subject><subject>MITIGATION</subject><subject>Neutrinoless double beta decay</subject><subject>Pulse shape</subject><subject>Pulse Shape Analysis</subject><subject>PULSE SHAPERS</subject><subject>Survival</subject><issn>0168-9002</issn><issn>1872-9576</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNp9kEtPwzAQhC0EEqXwBzhFnLgkeJ3YcaReooqnCkU8zlbibFRXaRLsFNF_j6NwZi8rrb5ZzQwhl0AjoCButlFrdkXE6HiAiLLsiMxApizMeCqOycxDMswoZafkzLkt9ZOlckYWefC6bxwG75uixyBvi-bgjAsG1JvWfO0xqDsbDBsMnvOn9Vv-kgf406M1O2yHc3JSF1588bfn5PPu9mP5EK7W94_LfBXqWNAhLDOWiqRMJRS1hkTqJKVCV1VSoqhqGWMCXHIm6qwSIKtKlAWtGecQc4aJhHhOrqa_nRuMctqM7nTXtqgHBZRykNxD1xPU2877doPaGaexaYoWu71TIFJgMpU88yibUG075yzWqveBCnvwz9TYp9qqsU819qkAlO_TixaTCH3Sb4N2NIKtxsrY0UfVmf_kv_s2e8A</recordid><startdate>20110211</startdate><enddate>20110211</enddate><creator>Cooper, R.J.</creator><creator>Radford, D.C.</creator><creator>Lagergren, K.</creator><creator>Colaresi, James F.</creator><creator>Darken, Larry</creator><creator>Henning, R.</creator><creator>Marino, M.G.</creator><creator>Michael Yocum, K.</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>OTOTI</scope></search><sort><creationdate>20110211</creationdate><title>A Pulse Shape Analysis technique for the MAJORANA experiment</title><author>Cooper, R.J. ; Radford, D.C. ; Lagergren, K. ; Colaresi, James F. ; Darken, Larry ; Henning, R. ; Marino, M.G. ; Michael Yocum, K.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c360t-b92764b781afc148c4706cdd4be6df83e4158526f9d618dd6ba0f2551352e4813</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Accelerators</topic><topic>ALGORITHMS</topic><topic>BACKGROUND RADIATION</topic><topic>Background rejection</topic><topic>Beta</topic><topic>Counting</topic><topic>Decay</topic><topic>Detectors</topic><topic>DOUBLE BETA DECAY</topic><topic>ESCAPE PEAKS</topic><topic>GAMMA DECAY</topic><topic>GE SEMICONDUCTOR DETECTORS</topic><topic>HPGe detector</topic><topic>INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY</topic><topic>MITIGATION</topic><topic>Neutrinoless double beta decay</topic><topic>Pulse shape</topic><topic>Pulse Shape Analysis</topic><topic>PULSE SHAPERS</topic><topic>Survival</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cooper, R.J.</creatorcontrib><creatorcontrib>Radford, D.C.</creatorcontrib><creatorcontrib>Lagergren, K.</creatorcontrib><creatorcontrib>Colaresi, James F.</creatorcontrib><creatorcontrib>Darken, Larry</creatorcontrib><creatorcontrib>Henning, R.</creatorcontrib><creatorcontrib>Marino, M.G.</creatorcontrib><creatorcontrib>Michael Yocum, K.</creatorcontrib><creatorcontrib>Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)</creatorcontrib><creatorcontrib>Holifield Radioactive Ion Beam Facility</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><collection>OSTI.GOV</collection><jtitle>Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cooper, R.J.</au><au>Radford, D.C.</au><au>Lagergren, K.</au><au>Colaresi, James F.</au><au>Darken, Larry</au><au>Henning, R.</au><au>Marino, M.G.</au><au>Michael Yocum, K.</au><aucorp>Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)</aucorp><aucorp>Holifield Radioactive Ion Beam Facility</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A Pulse Shape Analysis technique for the MAJORANA experiment</atitle><jtitle>Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment</jtitle><date>2011-02-11</date><risdate>2011</risdate><volume>629</volume><issue>1</issue><spage>303</spage><epage>310</epage><pages>303-310</pages><issn>0168-9002</issn><eissn>1872-9576</eissn><abstract>In order to achieve background count rates sufficiently low so as to allow the observation of rare events such as neutrinoless double beta (0νββ) decay, background suppression techniques are routinely employed. In this paper we present details of a novel Pulse Shape Analysis algorithm, which allows single-site events such as 0νββ decay to be distinguished from multi-site background events in germanium detectors. The algorithm, which is based on the event-by-event
χ
2 fitting of experimental signals to a basis data set of unique single-site pulse shapes, has been developed through simulation studies and tested experimentally using a Broad Energy Germanium detector. It is found experimentally that the technique is able to successfully identify and reject 99% of multi-site events in the single escape peak associated with the gamma decay of
208Tl, whilst maintaining a survival probability of 98% for neutrinoless double-beta-decay-like double escape peak events.</abstract><cop>United States</cop><pub>Elsevier B.V</pub><doi>10.1016/j.nima.2010.11.029</doi><tpages>8</tpages></addata></record> |
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| identifier | ISSN: 0168-9002 |
| ispartof | Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, 2011-02, Vol.629 (1), p.303-310 |
| issn | 0168-9002 1872-9576 |
| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Accelerators ALGORITHMS BACKGROUND RADIATION Background rejection Beta Counting Decay Detectors DOUBLE BETA DECAY ESCAPE PEAKS GAMMA DECAY GE SEMICONDUCTOR DETECTORS HPGe detector INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY MITIGATION Neutrinoless double beta decay Pulse shape Pulse Shape Analysis PULSE SHAPERS Survival |
| title | A Pulse Shape Analysis technique for the MAJORANA experiment |
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