Measurement of EUV spectra from high Z elements in the Large Helical Device

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dc.contributor.author Suzuki, C.
dc.contributor.author Kato, T.
dc.contributor.author Sakaue, H.A.
dc.contributor.author Kato, D.
dc.contributor.author Murakami, I.
dc.contributor.author Sato, K.
dc.contributor.author Tamura, N.
dc.contributor.author Sudo, S.
dc.contributor.author Yamamoto, N.
dc.contributor.author Tanuma, H.
dc.contributor.author Ohashi, H.
dc.contributor.author D'Arcy, Rebekah
dc.contributor.author Harte, Colm S.
dc.contributor.author O'Sullivan, Gerry
dc.date.accessioned 2012-06-26T16:33:50Z
dc.date.available 2012-06-26T16:33:50Z
dc.date.copyright 2011 American Institute of Physics en
dc.date.issued 2010-09-21
dc.identifier.uri http://hdl.handle.net/10197/3708
dc.description 7th International Conference On Atomic and Molecular Data and Their Applications - ICAMDATA-2010, 21–24 September 2010, Vilnius, (Lithuania) en
dc.description.abstract Extreme ultra-violet (EUV) emission spectra from highly charged tin, xenon and tungsten ions have been measured in optically thin high-temperature plasmas produced in the Large Helical Device (LHD) at the National Institute for Fusion Science by using a grazing incidence spectrometer and a tracer-encapsulated solid pellet (TESPEL) injector. Quasi-continuous spectral features arising from unresolved transition array (UTA) of open 4d subshell ions were commonly observed for tin, xenon and tungsten around 13.5, 11, and 5 nm, respectively, when edge plasma was cooled enough. The spectral appearance obviously depends on edge electron temperature and atomic number. In the case of intermediate edge temperature, sharp discrete lines from highly charged open 4s or 4p subshell ions are clearly observed for tin and xenon in longer wavelength side of the UTAs but not for tungsten. Assignments of the strong discrete lines have been performed with the help of comparisons with the other experimental data and the theoretical calculations by Cowan code. Contribution of open 4f subshell ions should also be considered to interpret the whole spectra from tungsten ions. en
dc.description.sponsorship Science Foundation Ireland en
dc.format.extent 702001 bytes
dc.format.mimetype application/pdf
dc.language.iso en en
dc.publisher American Institute of Physics en
dc.relation.ispartof A. Bernotas, R. Karazija, Z. Rudzikas (eds.). AIP Conference Proceedings : Volume 1344 : 7th International Conference On Atomic and Molecular Data and Their Applications - ICAMDATA-2010 en
dc.rights The following article appeared in AIP Conf. Proc. 1344, pp. 21-30 and may be found at http://dx.doi.org/10.1063/1.3585803. The article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. en
dc.subject LHD en
dc.subject High Z elements en
dc.subject EUV spectra en
dc.subject Highly charged ions en
dc.subject Tin en
dc.subject Xenon en
dc.subject Tungsten en
dc.subject.lcsh Ultraviolet spectra en
dc.subject.lcsh Spectrum analysis en
dc.subject.lcsh Tin en
dc.subject.lcsh Xenon en
dc.subject.lcsh Tungsten en
dc.title Measurement of EUV spectra from high Z elements in the Large Helical Device en
dc.type Conference Publication en
dc.internal.availability Full text available en
dc.status Peer reviewed en
dc.identifier.doi 10.1063/1.3585803
dc.neeo.contributor Suzuki|C.|aut|
dc.neeo.contributor Kato|T.|aut|
dc.neeo.contributor Sakaue|H.A.|aut|
dc.neeo.contributor Kato|D.|aut|
dc.neeo.contributor Murakami|I.|aut|
dc.neeo.contributor Sato|K.|aut|
dc.neeo.contributor Tamura|N.|aut|
dc.neeo.contributor Sudo|S.|aut|
dc.neeo.contributor Yamamoto|N.|aut|
dc.neeo.contributor Tanuma|H.|aut|
dc.neeo.contributor Ohashi|H.|aut|
dc.neeo.contributor D'Arcy|Rebekah|aut|
dc.neeo.contributor Harte|Colm S.|aut|
dc.neeo.contributor O'Sullivan|Gerry|aut|


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