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dc.contributor.authorBankovic, A.-
dc.contributor.authorDujko, S.-
dc.contributor.authorWhite, R.D.-
dc.contributor.authorMarler, J.P.-
dc.contributor.authorBuckman, Stephen J.-
dc.contributor.authorMarjanovic, S.-
dc.contributor.authorMalovic, G.-
dc.contributor.authorGarcía, Gustavo-
dc.contributor.authorPetrovic, Zoran Lj.-
dc.date.accessioned2012-10-24T13:17:29Z-
dc.date.available2012-10-24T13:17:29Z-
dc.date.issued2012-
dc.identifierdoi: 10.1088/1367-2630/14/3/035003-
dc.identifierissn: 1367-2630-
dc.identifier.citationNew Journal of Physics 14: 035003 (2012)-
dc.identifier.urihttp://hdl.handle.net/10261/58817-
dc.description.abstractTransport properties of positron swarms in water vapour under the influence of electric and magnetic fields are investigated using a Monte Carlo simulation technique and a multi-term theory for solving the Boltzmann equation. Special attention is paid to the correct treatment of the nonconservative nature of positronium (Ps) formation and its explicit and implicit influences on various positron transport properties. Many interesting and atypical phenomena induced by these influences are identified and discussed. Calculated transport properties for positrons are compared with those for electrons, and the most important differences are highlighted. The significant impact of a magnetic field on non-conservative positron transport in a crossed field configuration is also investigated. In general, the mean energy and diffusion coefficients are lowered, while for the measurable drift velocity an unexpected phenomenon arises: for certain values of the reduced electric field, the magnetic field enhances the drift. The variation of transport coefficients with the reduced electric and magnetic fields is addressed using physical arguments with the goal of understanding the synergistic effects of Ps formation and magnetic field on the drift and diffusion of positrons in neutral gases. © IOP Publishing Ltd and Deutsche Physikalische Gesellschaft.-
dc.description.sponsorshipThis work was supported by MNRS Projects ON171037 and III41011 and the Australian Research Council. SD acknowledges support from STW-project 10118, part of the Netherlands Organization for Scientific Research (NWO).-
dc.language.isoeng-
dc.publisherInstitute of Physics Publishing-
dc.rightsopenAccess-
dc.titlePositron transport in water vapour-
dc.typeartículo-
dc.identifier.doi10.1088/1367-2630/14/3/035003-
dc.date.updated2012-10-24T13:17:30Z-
dc.description.versionPeer Reviewed-
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