Materials migration in JET with ITER-like wall traced with a 10 Be isotopic marker

I. Bykov; H. Bergsåker; G. Possnert; K. Heinola; J. Miettunen; M. Groth; P. Petersson; A. Widdowson; Jari Likonen; JET-EFDA contributors

doi:10.1016/j.jnucmat.2014.12.020

Materials migration in JET with ITER-like wall traced with a 10 Be isotopic marker

I. Bykov (Corresponding Author), H. Bergsåker, G. Possnert, K. Heinola, J. Miettunen, M. Groth, P. Petersson, A. Widdowson, Jari Likonen, JET-EFDA contributors

Research output: Contribution to journal › Article › Scientific › peer-review

6 Citations (Scopus)

Abstract

The current configuration of JET with ITER-like Wall (ILW) is the best available proxy for the ITER first wall. Beryllium redistribution in JET-ILW can be used for estimates of its migration in ITER. To trace it, a localized isotopic Be marker has been implemented. A bulk 9Be tile has been enriched with 10Be up to atomic concentrations of 1.7x 10^9 and installed at the inner midplane of JET before the campaign. During the 2012 shutdown over 100 surface samples were taken non destructively from surfaces of two toroidally opposite limiter beams. The absolute areal densities of the marker were inferred from 10Be atomic concentration in each sample, measured with Accelerator Mass Spectrometry with sensitivity <1014. The results of marker mapping are compared with predictions made with the ASCOT orbit following code.

Original language	English
Pages (from-to)	773-776
Journal	Journal of Nuclear Materials
Volume	463
DOIs	https://doi.org/10.1016/j.jnucmat.2014.12.020
Publication status	Published - 2015
MoE publication type	A1 Journal article-refereed

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10.1016/j.jnucmat.2014.12.020

Cite this

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title = "Materials migration in JET with ITER-like wall traced with a 10 Be isotopic marker",

abstract = "The current configuration of JET with ITER-like Wall (ILW) is the best available proxy for the ITER first wall. Beryllium redistribution in JET-ILW can be used for estimates of its migration in ITER. To trace it, a localized isotopic Be marker has been implemented. A bulk 9Be tile has been enriched with 10Be up to atomic concentrations of 1.7x 10^9 and installed at the inner midplane of JET before the campaign. During the 2012 shutdown over 100 surface samples were taken non destructively from surfaces of two toroidally opposite limiter beams. The absolute areal densities of the marker were inferred from 10Be atomic concentration in each sample, measured with Accelerator Mass Spectrometry with sensitivity <1014. The results of marker mapping are compared with predictions made with the ASCOT orbit following code.",

author = "I. Bykov and H. Bergs{\aa}ker and G. Possnert and K. Heinola and J. Miettunen and M. Groth and P. Petersson and A. Widdowson and Jari Likonen and {JET-EFDA contributors}",

note = "Project code: 104445 ",

year = "2015",

doi = "10.1016/j.jnucmat.2014.12.020",

language = "English",

volume = "463",

pages = "773--776",

journal = "Journal of Nuclear Materials",

issn = "0022-3115",

publisher = "Elsevier B.V.",

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TY - JOUR

T1 - Materials migration in JET with ITER-like wall traced with a 10 Be isotopic marker

AU - Bykov, I.

AU - Bergsåker, H.

AU - Possnert, G.

AU - Heinola, K.

AU - Miettunen, J.

AU - Groth, M.

AU - Petersson, P.

AU - Widdowson, A.

AU - Likonen, Jari

AU - JET-EFDA contributors

N1 - Project code: 104445

PY - 2015

Y1 - 2015

N2 - The current configuration of JET with ITER-like Wall (ILW) is the best available proxy for the ITER first wall. Beryllium redistribution in JET-ILW can be used for estimates of its migration in ITER. To trace it, a localized isotopic Be marker has been implemented. A bulk 9Be tile has been enriched with 10Be up to atomic concentrations of 1.7x 10^9 and installed at the inner midplane of JET before the campaign. During the 2012 shutdown over 100 surface samples were taken non destructively from surfaces of two toroidally opposite limiter beams. The absolute areal densities of the marker were inferred from 10Be atomic concentration in each sample, measured with Accelerator Mass Spectrometry with sensitivity <1014. The results of marker mapping are compared with predictions made with the ASCOT orbit following code.

AB - The current configuration of JET with ITER-like Wall (ILW) is the best available proxy for the ITER first wall. Beryllium redistribution in JET-ILW can be used for estimates of its migration in ITER. To trace it, a localized isotopic Be marker has been implemented. A bulk 9Be tile has been enriched with 10Be up to atomic concentrations of 1.7x 10^9 and installed at the inner midplane of JET before the campaign. During the 2012 shutdown over 100 surface samples were taken non destructively from surfaces of two toroidally opposite limiter beams. The absolute areal densities of the marker were inferred from 10Be atomic concentration in each sample, measured with Accelerator Mass Spectrometry with sensitivity <1014. The results of marker mapping are compared with predictions made with the ASCOT orbit following code.

UR - https://www.sciencedirect.com/journal/journal-of-nuclear-materials/vol/463/suppl/C

U2 - 10.1016/j.jnucmat.2014.12.020

DO - 10.1016/j.jnucmat.2014.12.020

M3 - Article

SN - 0022-3115

VL - 463

SP - 773

EP - 776

JO - Journal of Nuclear Materials

JF - Journal of Nuclear Materials

ER -

Materials migration in JET with ITER-like wall traced with a 10 Be isotopic marker

Abstract

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