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@ARTICLE{Hare:453799,
      author       = {Hare, B. M. and Scholten, O. and Dwyer, J. and Ebert, U.
                      and Nijdam, S. and Bonardi, A. and Buitink, S. and
                      Corstanje, A. and Falcke, H. and Huege, T. and Hörandel, J.
                      R. and Krampah, G. K. and Mitra, P. and Mulrey, K. and
                      Neijzen, B. and Nelles, Anna Friederike and Pandya, H. and
                      Rachen, J. P. and Rossetto, L. and Trinh, T. N. G. and ter
                      Veen, S. and Winchen, T.},
      title        = {{R}adio {E}mission {R}eveals {I}nner {M}eter-{S}cale
                      {S}tructure of {N}egative {L}ightning {L}eader {S}teps},
      journal      = {Physical review letters},
      volume       = {124},
      number       = {10},
      issn         = {1079-7114},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {PUBDB-2021-00190},
      pages        = {105101},
      year         = {2020},
      abstract     = {We use the Low Frequency Array (LOFAR) to probe the
                      dynamics of the stepping process of negatively charged
                      plasma channels (negative leaders) in a lightning discharge.
                      We observe that at each step of a leader, multiple pulses of
                      vhf (30–80 MHz) radiation are emitted in short-duration
                      bursts (<10  μs). This is evidence for streamer
                      formation during corona flashes that occur with each leader
                      step, which has not been observed before in natural
                      lightning and it could help explain x-ray emission from
                      lightning leaders, as x rays from laboratory leaders tend to
                      be associated with corona flashes. Surprisingly, we find
                      that the stepping length is very similar to what was
                      observed near the ground, however with a stepping time that
                      is considerably larger, which as yet is not understood.
                      These results will help to improve lightning propagation
                      models, and eventually lightning protection models.},
      cin          = {Z-RAD / HUB},
      ddc          = {530},
      cid          = {I:(DE-H253)Z-RAD-20210408 / I:(DE-H253)HUB-20140108},
      pnm          = {613 - Matter and Radiation from the Universe (POF3-613)},
      pid          = {G:(DE-HGF)POF3-613},
      experiment   = {EXP:(DE-MLZ)External-20140101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:32216418},
      UT           = {WOS:000518820000016},
      doi          = {10.1103/PhysRevLett.124.105101},
      url          = {https://bib-pubdb1.desy.de/record/453799},
}