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. IanniA. 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 journalArticle

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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 1 2006

All Science Journal Classification (ASJC) codes

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

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    Balata, M., Bellini, G., Benziger, J. B., Bonetti, S., Caccianiga, B., Calaprice, F., D'Angelo, D., De Bellefern, A., De Kerret, H., Derbin, A., Etenko, A., Ford, R., Franco, D., Galbiati, C., Gazzana, S., Giammarchi, M., Goretti, A., Harding, E., Heusser, G., ... Zuzel, G. (2006). Search for electron antineutrino interactions with the Borexino counting test facility at Gran Sasso. European Physical Journal C, 47(1), 21-30. https://doi.org/10.1140/epjc/s2006-02560-4