First results from the 10Be marker experiment in JET with ITER-like wall

H. Bergsåker; G. Possnert; I. Bykov; K. Heinola; P. Petersson; J. Miettunen; A. Widdowson; V. Riccardo; I. Nunes; M. Stamp; S. Brezinsek; M. Groth; T. Kurki-Suonio; J. Likonen; J. P. Coad; D. Borodin; A. Kirschner; K. Schmid; K. Krieger

doi:10.1088/0029-5515/54/8/082004

First results from the ¹⁰Be marker experiment in JET with ITER-like wall

H. Bergsåker, G. Possnert, I. Bykov, K. Heinola, P. Petersson, J. Miettunen, A. Widdowson, V. Riccardo, I. Nunes, M. Stamp, S. Brezinsek, M. Groth, T. Kurki-Suonio, J. Likonen, J. P. Coad, D. Borodin, A. Kirschner, K. Schmid, K. Krieger

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

5 Scopus citations

Abstract

When the ITER-like wall was installed in JET, one of the 218 Be inner wall guard limiter tiles had been enriched with ¹⁰Be as a bulk isotopic marker. During the shutdown in 2012-2013, a set of tiles were sampled nondestructively to collect material for accelerator mass spectroscopy measurements of ¹⁰Be concentration. The letter shows how the marker experiment was set up, presents first results and compares them to preliminary predictions of marker redistribution, made with the ASCOT numerical code. Finally an outline is shown of what experimental data are likely to become available later and the possibilities for comparison with modelling using the WallDYN, ERO and ASCOT codes are discussed.

Original language	English
Article number	082004
Journal	Nuclear Fusion
Volume	54
Issue number	8
DOIs	https://doi.org/10.1088/0029-5515/54/8/082004
State	Published - 1 Aug 2014
Externally published	Yes

Funding

Funders	Funder number
Horizon 2020 Framework Programme	633053

Keywords

erosion
materials
migration
tokamaks

Access to Document

10.1088/0029-5515/54/8/082004

Cite this

Bergsåker, H., Possnert, G., Bykov, I., Heinola, K., Petersson, P., Miettunen, J., Widdowson, A., Riccardo, V., Nunes, I., Stamp, M., Brezinsek, S., Groth, M., Kurki-Suonio, T., Likonen, J., Coad, J. P., Borodin, D., Kirschner, A., Schmid, K., & Krieger, K. (2014). First results from the ¹⁰Be marker experiment in JET with ITER-like wall. Nuclear Fusion, 54(8), Article 082004. https://doi.org/10.1088/0029-5515/54/8/082004

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abstract = "When the ITER-like wall was installed in JET, one of the 218 Be inner wall guard limiter tiles had been enriched with 10Be as a bulk isotopic marker. During the shutdown in 2012-2013, a set of tiles were sampled nondestructively to collect material for accelerator mass spectroscopy measurements of 10Be concentration. The letter shows how the marker experiment was set up, presents first results and compares them to preliminary predictions of marker redistribution, made with the ASCOT numerical code. Finally an outline is shown of what experimental data are likely to become available later and the possibilities for comparison with modelling using the WallDYN, ERO and ASCOT codes are discussed.",

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Bergsåker, H, Possnert, G, Bykov, I, Heinola, K, Petersson, P, Miettunen, J, Widdowson, A, Riccardo, V, Nunes, I, Stamp, M, Brezinsek, S, Groth, M, Kurki-Suonio, T, Likonen, J, Coad, JP, Borodin, D, Kirschner, A, Schmid, K & Krieger, K 2014, 'First results from the ¹⁰Be marker experiment in JET with ITER-like wall', Nuclear Fusion, vol. 54, no. 8, 082004. https://doi.org/10.1088/0029-5515/54/8/082004

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AU - Possnert, G.

AU - Bykov, I.

AU - Heinola, K.

AU - Petersson, P.

AU - Miettunen, J.

AU - Widdowson, A.

AU - Riccardo, V.

AU - Nunes, I.

AU - Stamp, M.

AU - Brezinsek, S.

AU - Groth, M.

AU - Kurki-Suonio, T.

AU - Likonen, J.

AU - Coad, J. P.

AU - Borodin, D.

AU - Kirschner, A.

AU - Schmid, K.

AU - Krieger, K.

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