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, Jari Likonen, J.P. Coad, D. Borodin, A. Kirschner, K. Schmid, K. Krieger, JET-EFDA contributors

    Research output: Contribution to journalArticleScientificpeer-review

    5 Citations (Scopus)


    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 languageEnglish
    Number of pages4
    JournalNuclear Fusion
    Issue number8
    Publication statusPublished - 2014
    MoE publication typeA1 Journal article-refereed


    • plasma physics
    • tokamaks
    • plasma devices
    • erosion
    • materials
    • divertors


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