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Search for electron antineutrino interactions with the Borexino counting test facility at Gran Sasso

  • M. Balata
  • , G. Bellini
  • , Jay Burton Benziger
  • , S. Bonetti
  • , B. Caccianiga
  • , Frank Calaprice
  • , D. D'Angelo
  • , A. De Bellefern
  • , H. De Kerret
  • , A. Derbin
  • , A. Etenko
  • , R. Ford
  • , D. Franco
  • , Cristiano Galbiati
  • , S. Gazzana
  • , M. Giammarchi
  • , A. Goretti
  • , E. Harding
  • , G. Heusser
  • , A. Ianni
  • A. M. Ianni, V. V. Kobychev, G. Korga, Y. Kozlov, D. Kryn, M. Laubenstein, G. Lendvai, M. Leung, E. Litvinovich, P. Lombardi, I. Machulin, D. Mamizio, G. Manuzio, F. Masetti, U. Mazzucato, K. McCarty, E. Meroni, L. Miramonti, M. E. Monzani, V. Muratova, L. Niedermeier, L. Oberauer, M. Obolensky, F. Ortica, M. Pallavicini, L. Papp, L. Perasso, A. Pocar, R. S. Raghavan, G. Ranucci, A. Razeto, A. Sabelnikov, C. Salvo, S. Schoenert, H. Simgen, M. Skorokhvatov, O. Smirnov, A. Sotnikov, S. Sukhotin, Y. Suvorov, V. Tarasenkov, R. Tartaglia, G. Testera, D. Vignaud, R. B. Vogelaar, F. Von Feilitzsch, V. Vyrodov, M. Wójcik, O. Zaimidoroga, G. Zuzel

Research output: Contribution to journalArticlepeer-review

Abstract

Electron antineutrino interactions above the inverse beta decay energy of protons (E v̄e ≤ 1.8 MeV) were looked for with the Borexino counting test facility (CTF). One candidate event survived after rejection of background, which included muon-induced neutrons and random coincidences. An upper limit on the solar v̄ e flux, assumed having the 8B solar neutrino energy spectrum, of 1.1 × 10 5 cm -2s -1 (90% C.L.) was set with a 7.8 ton × year exposure. This upper limit corresponds to a solar neutrino transition probability, v e → v̄ e, of 0.02 (90% C.L.). Predictions for antineutrino detection with Borexino, including geoneutrinos, are discussed on the basis of background measurements performed with the CTF.

Original languageEnglish (US)
Pages (from-to)21-30
Number of pages10
JournalEuropean Physical Journal C
Volume47
Issue number1
DOIs
StatePublished - Jul 2006

All Science Journal Classification (ASJC) codes

  • Engineering (miscellaneous)
  • Physics and Astronomy (miscellaneous)

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