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http://hdl.handle.net/10261/130303
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Campo DC | Valor | Lengua/Idioma |
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dc.contributor.author | Marjanović, S. | - |
dc.contributor.author | Banković, A. | - |
dc.contributor.author | White, R.D. | - |
dc.contributor.author | Buckman, S.J. | - |
dc.contributor.author | García, Gustavo | - |
dc.contributor.author | Malović, G. | - |
dc.contributor.author | Dujko, S. | - |
dc.contributor.author | Petrovic, Zoran Lj. | - |
dc.date.issued | 2015-03-02 | - |
dc.identifier | doi: 10.1088/0963-0252/24/2/025016 | - |
dc.identifier | issn: 1361-6595 | - |
dc.identifier.citation | Plasma Sources Science and Technology 24 (2): 025016 (2015) | - |
dc.identifier.uri | http://hdl.handle.net/10261/130303 | - |
dc.description | 7 págs.; 5 figs. | - |
dc.description.abstract | © 2015 IOP Publishing Ltd. The recent availability of cross sections for positron (and positronium) interactions has made it possible to calculate transport properties and rates of collisions, and study in a quantitative fashion some aspects of positron-induced processes and their effects on living tissue. This paper models the interaction of primary positrons, and their secondary electrons, with water vapour (and subsequently liquid) using complete sets of cross sections predominately based on experimental binary collision data. We use a simple procedure to represent the presence of organic molecules where we look for dissociation of methane as a prototype of organic molecule dissociation. We isolate this particular process in order to establish whether the degree of damage is directly associated with the energy deposited in the tissue or whether some specific processes may cause excessive damage even with little energy deposition. We thus report on the relative contributions of initial positrons and secondary electrons in inducing dissociation, the spatial and energy profiles of individual collisional events, and positron/secondary electron tracks. It was found that secondary electrons induce 2-3 times more dissociations than the original positrons and with a longer range. | - |
dc.description.sponsorship | This work was supported by the Grants No. ON171037 and III41011 from the Ministry of Education, Science and Technological Development of the Republic of Serbia and also by the project 155 of the Serbian Academy of Sciences and Arts. SJB and RDW acknowledge financial support of the Australian Research Council through its Centre of Excellence and Discovery Schemes while GG acknowledges financial support from the Spanish Ministerio de Economia y Competitividad (Project FIS2012-31230). SJB also acknowledges the support of the University of Malaya where he holds a Visiting Professor appointment. | - |
dc.publisher | Institute of Physics Publishing | - |
dc.relation | MINECO/FIS2012-31230 | - |
dc.relation.isversionof | Publisher's version | - |
dc.rights | closedAccess | - |
dc.subject | Positrons, electrons | - |
dc.subject | Dissociation | - |
dc.subject | Radiation damage | - |
dc.subject | Monte Carlo simulations | - |
dc.title | Chemistry induced during the thermalization and transport of positrons and secondary electrons in gases and liquids | - |
dc.type | artículo | - |
dc.identifier.doi | 10.1088/0963-0252/24/2/025016 | - |
dc.relation.publisherversion | http://dx.doi.org/10.1088/0963-0252/24/2/025016 | - |
dc.date.updated | 2016-03-21T09:35:53Z | - |
dc.description.version | Peer Reviewed | - |
dc.language.rfc3066 | eng | - |
dc.contributor.funder | University of Malaya | - |
dc.contributor.funder | Ministerio de Economía y Competitividad (España) | - |
dc.contributor.funder | Ministry of Education and Science (Serbia) | - |
dc.contributor.funder | Australian Research Council | - |
dc.relation.csic | Sí | - |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003329 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100000923 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100004386 | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.fulltext | No Fulltext | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | none | - |
item.openairetype | artículo | - |
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