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
2011 SCImago Journal Rankings: 0.039
DOIhttp://dx.doi.org/10.1088/1742-6596/262/1/012009
ISI Accession Number IDWOS:000292990500009
ReferencesReferences in Scopus
DC Field
Value
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
2011 SCImago Journal Rankings: 0.039
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
Author Affiliations
  1. The University of Hong Kong