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http://hdl.handle.net/10261/209193
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dc.contributor.author | Ballof, J. | - |
dc.contributor.author | Seiffert, C. | - |
dc.contributor.author | Crepieux, B. | - |
dc.contributor.author | Düllmann, C.E. | - |
dc.contributor.author | Delonca, M. | - |
dc.contributor.author | Gai, M. | - |
dc.contributor.author | Gottberg, A. | - |
dc.contributor.author | Kröll, T. | - |
dc.contributor.author | Lică, R. | - |
dc.contributor.author | Madurga Flores, M. | - |
dc.contributor.author | Martinez Palenzuela, Y. | - |
dc.contributor.author | Mendonça, T.M. | - |
dc.contributor.author | Owen, M. | - |
dc.contributor.author | Ramos, J.P. | - |
dc.contributor.author | Rothe, S. | - |
dc.contributor.author | Stora, T. | - |
dc.contributor.author | Tengblad, Olof | - |
dc.contributor.author | Wienholtz, F. | - |
dc.date.accessioned | 2020-04-27T11:00:12Z | - |
dc.date.available | 2020-04-27T11:00:12Z | - |
dc.date.issued | 2019-05-13 | - |
dc.identifier | doi: 10.1140/epja/i2019-12719-1 | - |
dc.identifier | issn: 1434-601X | - |
dc.identifier.citation | European Physical Journal A 55: 65 (2019) | - |
dc.identifier.uri | http://hdl.handle.net/10261/209193 | - |
dc.description | 11 pags., 9 figs., 3 tabs. -- Open Access funded by Creative Commons Atribution Licence 4.0 | - |
dc.description.abstract | We report on the development and characterization of the first radioactive boron beams produced by the isotope mass separation online (ISOL) technique at CERN-ISOLDE. Despite the long history of the ISOL technique which exploits thick targets, boron beams have up to now not been available. This is due to the low volatility of elemental boron and its high chemical reactivity which make the definition of an appropriate production target unit difficult. In addition, the short half-lives of all boron radioisotopes complicate tracer release studies. We report here on dedicated offline release studies by neutron capture and alpha detection done with implanted B in prospective target materials, as well as molecule formation and ionization tests, which suggested the use of multiwalled carbon nanotubes (CNT) as target material and injection of sulfur hexafluoride SF to promote volatile boron fluoride formation. Two target units equipped with an arc discharge electron impact ion source VADIS coupled to a water cooled transfer line to retain non-volatile elements and molecules were subsequently tested online. The measured yield of these first B ISOL beams increases in the series BF < BF < B < BF , reaching a maximum yield of 6. 4 × 10 BF ions per μC of protons. | - |
dc.description.sponsorship | This work has been partly supported by the Spanish CICYT through projects, FPA2015-64969-P, and by the European Union by means of the European Commission within its Seventh Framework Program (FP7) via ENSAR (Contract No. 262010). Further, this project has received funding from the European Union Horizon 2020 research and innovation program under grant agreement No. 654002. One of the authors, CS, acknowledges support by the German BMBF via the Gentner program and his local project 05P12RDCIA. | - |
dc.language | eng | - |
dc.publisher | Springer Nature | - |
dc.relation | info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/FPA2015-64969-P | - |
dc.relation | info:eu-repo/grantAgreement/EC/FP7/262010 | - |
dc.relation | info:eu-repo/grantAgreement/EC/H2020/654002 | - |
dc.relation.isversionof | Publisher's version | - |
dc.rights | openAccess | - |
dc.title | Radioactive boron beams produced by isotope online mass separation at CERN-ISOLDE | - |
dc.type | artículo | - |
dc.identifier.doi | 10.1140/epja/i2019-12719-1 | - |
dc.relation.publisherversion | http://dx.doi.org/10.1140/epja/i2019-12719-1 | - |
dc.date.updated | 2020-04-27T11:00:13Z | - |
dc.rights.license | http://creativecommons.org/licenses/by/4.0/ | - |
dc.contributor.funder | Ministerio de Economía y Competitividad (España) | - |
dc.contributor.funder | European Commission | - |
dc.contributor.funder | Federal Ministry of Education and Research (Germany) | - |
dc.contributor.funder | SCOAP | - |
dc.relation.csic | Sí | - |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003329 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100002347 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100000780 | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
item.cerifentitytype | Publications | - |
item.openairetype | artículo | - |
item.grantfulltext | open | - |
Aparece en las colecciones: | (CFMAC-IEM) Artículos |
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Radioactive boron beams.pdf | 1,03 MB | Adobe PDF | Visualizar/Abrir |
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