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@ARTICLE{Li:999153,
      author       = {Li, Y. and Fedorczak, N. and Xu, G. S. and Liang, Y. and
                      Brezinsek, S. and Morales, J.},
      title        = {{E}ffect of edge ion temperature on the divertor tungsten
                      sputtering in {WEST}},
      journal      = {Nuclear fusion},
      volume       = {63},
      number       = {2},
      issn         = {0029-5515},
      address      = {Vienna},
      publisher    = {IAEA},
      reportid     = {FZJ-2023-01196},
      pages        = {026019 -},
      year         = {2023},
      abstract     = {The influence of upstream ion temperature in the scrape-off
                      layer (SOL) on the tungsten (W) sputtering in the divertor
                      is studied in the WEST tokamak. For an almost constant power
                      into the SOL, the upstream ion temperature and its ratio
                      over the electron temperature gradually increase with the
                      decrease of electron density in the SOL. This increment is
                      observed to enhance the energy transfer from ions to
                      electrons. This increases the downstream electron
                      temperature and by coupling of electrons and ions, the
                      impact energy of ions causing W sputtering in the divertor.
                      This enhancement mechanism may become crucial to sputtering
                      the W material for high upstream Ti/Te ratio since the
                      impact energy of ions in the divertor would increase
                      accordingly.},
      cin          = {IEK-4},
      ddc          = {620},
      cid          = {I:(DE-Juel1)IEK-4-20101013},
      pnm          = {134 - Plasma-Wand-Wechselwirkung (POF4-134)},
      pid          = {G:(DE-HGF)POF4-134},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000907477800001},
      doi          = {10.1088/1741-4326/acacb0},
      url          = {https://juser.fz-juelich.de/record/999153},
}