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@ARTICLE{Kumaran:889363,
      author       = {Kumaran, S. and Ludhova, L.},
      title        = {{A} {N}ew {J}ourney to the {C}enter of the {E}arth},
      journal      = {Nuclear physics news},
      volume       = {30},
      number       = {4},
      issn         = {1931-7336},
      address      = {London},
      publisher    = {Taylor $\&$ Francis},
      reportid     = {FZJ-2021-00252},
      pages        = {17 - 21},
      year         = {2020},
      abstract     = {There are still several unanswered fundamental questions
                      concerning our planet and in particular, about the deep
                      Earth, from where we lack direct samples. Today, due to the
                      progress in neutrino-detection techniques, a new and unique
                      tool to study our planet exists: geoneutrinos, antineutrinos
                      from the decays of long-lived radioactive elements inside
                      the Earth. In 2020, the Borexino experiment published its
                      updated geoneutrino measurement. Thanks to the increase in
                      acquired data and the improved analysis techniques in an
                      enlarged fiducial volume, the final precision has
                      significantly improved, corresponding to a total geoneutrino
                      signal of 47.0+8.4−7.7(stat)+2.4−1.9(sys) TNU. The
                      null-hypothesis of the geoneutrino signal from the Earth's
                      mantle was excluded at a $99\%$ C.L. for the first time,
                      while exploiting the knowledge of the local crust around the
                      detector. The article will introduce the field and describe
                      the key elements of the updated analysis. Geological
                      interpretation and significance of the new result will be
                      discussed in terms of the corresponding radiogenic heat and
                      the limits to a hypothetical georeactor.},
      cin          = {IKP-2},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IKP-2-20111104},
      pnm          = {612 - Cosmic Matter in the Laboratory (POF3-612)},
      pid          = {G:(DE-HGF)POF3-612},
      typ          = {PUB:(DE-HGF)36 / PUB:(DE-HGF)16},
      doi          = {10.1080/10619127.2020.1752098},
      url          = {https://juser.fz-juelich.de/record/889363},
}