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@ARTICLE{Agostini:906579,
      author       = {Agostini, M. and Altenmüller, K. and Appel, S. and
                      Atroshchenko, V. and Bagdasarian, Z. and Basilico, D. and
                      Bellini, G. and Benziger, J. and Biondi, R. and Bravo, D.
                      and Caccianiga, B. and Calaprice, F. and Caminata, A. and
                      Cavalcante, P. and Chepurnov, A. and D’Angelo, D. and
                      Davini, S. and Derbin, A. and Di Giacinto, A. and Di
                      Marcello, V. and Ding, X. F. and Di Ludovico, A. and Di
                      Noto, L. and Drachnev, I. and Formozov, A. and Franco, D.
                      and Galbiati, C. and Ghiano, C. and Giammarchi, M. and
                      Goretti, A. and Göttel, A. S. and Gromov, M. and Guffanti,
                      D. and Ianni, Aldo and Ianni, Andrea and Jany, A. and
                      Jeschke, D. and Kobychev, V. and Korga, G. and Kumaran, S.
                      and Laubenstein, M. and Litvinovich, E. and Lombardi, P. and
                      Lomskaya, I. and Ludhova, L. and Lukyanchenko, G. and
                      Lukyanchenko, L. and Machulin, I. and Martyn, J. and Meroni,
                      E. and Meyer, M. and Miramonti, L. and Misiaszek, M. and
                      Muratova, V. and Neumair, B. and Nieslony, M. and Nugmanov,
                      R. and Oberauer, L. and Orekhov, V. and Ortica, F. and
                      Pallavicini, M. and Papp, L. and Pelicci, L. and Penek, Ö.
                      and Pietrofaccia, L. and Pilipenko, N. and Pocar, A. and
                      Raikov, G. and Ranalli, M. T. and Ranucci, G. and Razeto, A.
                      and Re, A. and Redchuk, M. and Romani, A. and Rossi, N. and
                      Schönert, S. and Semenov, D. and Settanta, G. and
                      Skorokhvatov, M. and Singhal, A. and Smirnov, O. and
                      Sotnikov, A. and Suvorov, Y. and Tartaglia, R. and Testera,
                      G. and Thurn, J. and Unzhakov, E. and Vishneva, A. and
                      Vogelaar, R. B. and von Feilitzsch, F. and Wessel, A. and
                      Wojcik, M. and Wonsak, B. and Wurm, M. and Zavatarelli, S.
                      and Zuber, K. and Zuzel, G.},
      title        = {{F}irst {D}irectional {M}easurement of {S}ub-{M}e{V}
                      {S}olar {N}eutrinos with {B}orexino},
      journal      = {Physical review letters},
      volume       = {128},
      number       = {9},
      issn         = {0031-9007},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {FZJ-2022-01530},
      pages        = {091803},
      year         = {2022},
      abstract     = {We report the measurement of sub-MeV solar neutrinos
                      through the use of their associated Cherenkov radiation,
                      performed with the Borexino detector at the Laboratori
                      Nazionali del Gran Sasso. The measurement is achieved using
                      a novel technique that correlates individual photon hits of
                      events to the known position of the Sun. In an energy window
                      between 0.54 to 0.74 MeV, selected using the dominant
                      scintillation light, we have measured
                      10 887+2386−2103(stat)±947(syst) $(68\%$ confidence
                      interval) solar neutrinos out of 19 904 total events. This
                      corresponds to a 7Be neutrino interaction rate of
                      51.6+13.9−12.5  counts/(day⋅100  ton), which is
                      in agreement with the standard solar model predictions and
                      the previous spectroscopic results of Borexino. The
                      no-neutrino hypothesis can be excluded with >5σ confidence
                      level. For the first time, we have demonstrated the
                      possibility of utilizing the directional Cherenkov
                      information for sub-MeV solar neutrinos, in a large-scale,
                      high light yield liquid scintillator detector. This
                      measurement provides an experimental proof of principle for
                      future hybrid event reconstruction using both Cherenkov and
                      scintillation signatures simultaneously.},
      cin          = {IKP-2},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IKP-2-20111104},
      pnm          = {612 - Cosmic Matter in the Laboratory (POF4-612)},
      pid          = {G:(DE-HGF)POF4-612},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:35302807},
      UT           = {WOS:000766760100002},
      doi          = {10.1103/PhysRevLett.128.091803},
      url          = {https://juser.fz-juelich.de/record/906579},
}