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Conference Paper: Monte carlo simulation of positron induced secondary electrons in thin carbon foils
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TitleMonte carlo simulation of positron induced secondary electrons in thin carbon foils
 
AuthorsCai, LH1
Yang, B1
Ling, CC1
Beling, CD1
Fung, S1
 
KeywordsCondensed matter: electrical, magnetic and optical
Carbon foils
Positron energy
Monte carlo methods
Secondary electrons
 
Issue Date2011
 
PublisherInstitute of Physics Publishing. The Journal's web site is located at http://www.iop.org/EJ/journal/conf
 
CitationJournal Of Physics: Conference Series, 2011, v. 262 n. 1 [How to Cite?]
DOI: http://dx.doi.org/10.1088/1742-6596/262/1/012009
 
AbstractEmission of secondary electrons induced by the passage of low energy positrons through thin carbon foils was studied by the Monte Carlo method. The positron and electron elastic cross sections were calculated by partial wave analysis. The inelastic positron-valence-electron was described by the energy loss function obtained from dielectric theory. The positron-core-electron interaction was modelled by the Gryzinski's excitation function. Positron transport inside the carbon foil was simulated in detail. Secondary electrons created by positrons and high energy secondary electrons through inelastic interactions were tracked through the foil. The positron transmission coefficient and secondary electron yielded in forward and backward geometry are calculated and dependences on positron energy and carbon foil thickness are discussed.
 
Description12th International Workshop on Slow Positron Beam Techniques for Solids, Surfaces, Atoms and Molecules (SLOPOS12), Magnetic Island, North Queensland, Australia, 1–6 August 2010
 
ISSN1742-6588
2012 SCImago Journal Rankings: 0.229
 
DOIhttp://dx.doi.org/10.1088/1742-6596/262/1/012009
 
ISI Accession Number IDWOS:000292990500009
 
ReferencesReferences in Scopus
 
DC FieldValue
dc.contributor.authorCai, LH
 
dc.contributor.authorYang, B
 
dc.contributor.authorLing, CC
 
dc.contributor.authorBeling, CD
 
dc.contributor.authorFung, S
 
dc.date.accessioned2011-10-28T02:46:44Z
 
dc.date.available2011-10-28T02:46:44Z
 
dc.date.issued2011
 
dc.description.abstractEmission of secondary electrons induced by the passage of low energy positrons through thin carbon foils was studied by the Monte Carlo method. The positron and electron elastic cross sections were calculated by partial wave analysis. The inelastic positron-valence-electron was described by the energy loss function obtained from dielectric theory. The positron-core-electron interaction was modelled by the Gryzinski's excitation function. Positron transport inside the carbon foil was simulated in detail. Secondary electrons created by positrons and high energy secondary electrons through inelastic interactions were tracked through the foil. The positron transmission coefficient and secondary electron yielded in forward and backward geometry are calculated and dependences on positron energy and carbon foil thickness are discussed.
 
dc.description.natureLink_to_subscribed_fulltext
 
dc.description12th International Workshop on Slow Positron Beam Techniques for Solids, Surfaces, Atoms and Molecules (SLOPOS12), Magnetic Island, North Queensland, Australia, 1–6 August 2010
 
dc.identifier.citationJournal Of Physics: Conference Series, 2011, v. 262 n. 1 [How to Cite?]
DOI: http://dx.doi.org/10.1088/1742-6596/262/1/012009
 
dc.identifier.citeulike8682992
 
dc.identifier.doihttp://dx.doi.org/10.1088/1742-6596/262/1/012009
 
dc.identifier.hkuros184568
 
dc.identifier.isiWOS:000292990500009
 
dc.identifier.issn1742-6588
2012 SCImago Journal Rankings: 0.229
 
dc.identifier.issue1
 
dc.identifier.scopuseid_2-s2.0-79952129842
 
dc.identifier.urihttp://hdl.handle.net/10722/142463
 
dc.identifier.volume262
 
dc.languageeng
 
dc.publisherInstitute of Physics Publishing. The Journal's web site is located at http://www.iop.org/EJ/journal/conf
 
dc.publisher.placeUnited Kingdom
 
dc.relation.ispartofJournal of Physics: Conference Series
 
dc.relation.referencesReferences in Scopus
 
dc.rightsJournal of Physics: Conference Series. Copyright © Institute of Physics Publishing.
 
dc.subjectCondensed matter: electrical, magnetic and optical
 
dc.subjectCarbon foils
 
dc.subjectPositron energy
 
dc.subjectMonte carlo methods
 
dc.subjectSecondary electrons
 
dc.titleMonte carlo simulation of positron induced secondary electrons in thin carbon foils
 
dc.typeConference_Paper
 
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<item><contributor.author>Cai, LH</contributor.author>
<contributor.author>Yang, B</contributor.author>
<contributor.author>Ling, CC</contributor.author>
<contributor.author>Beling, CD</contributor.author>
<contributor.author>Fung, S</contributor.author>
<date.accessioned>2011-10-28T02:46:44Z</date.accessioned>
<date.available>2011-10-28T02:46:44Z</date.available>
<date.issued>2011</date.issued>
<identifier.citation>Journal Of Physics: Conference Series, 2011, v. 262 n. 1</identifier.citation>
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<description>12th International Workshop on Slow Positron Beam Techniques for Solids, Surfaces, Atoms and Molecules (SLOPOS12), Magnetic Island, North Queensland, Australia, 1&#8211;6 August 2010</description>
<description.abstract>Emission of secondary electrons induced by the passage of low energy positrons through thin carbon foils was studied by the Monte Carlo method. The positron and electron elastic cross sections were calculated by partial wave analysis. The inelastic positron-valence-electron was described by the energy loss function obtained from dielectric theory. The positron-core-electron interaction was modelled by the Gryzinski&apos;s excitation function. Positron transport inside the carbon foil was simulated in detail. Secondary electrons created by positrons and high energy secondary electrons through inelastic interactions were tracked through the foil. The positron transmission coefficient and secondary electron yielded in forward and backward geometry are calculated and dependences on positron energy and carbon foil thickness are discussed.</description.abstract>
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<subject>Carbon foils</subject>
<subject>Positron energy</subject>
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Author Affiliations
  1. The University of Hong Kong