Antineutrino studies with Borexino detector

Bellini, G.; Benziger, J.; Bick, D.; Bonetti, S.; Bonfini, G.; Bravo, D.; Buizza Avanzini, M.; Caccianiga, B.; Cadonati, L.; Calaprice, F.; Carraro, Carlo; Cavalcante, P.; Chavarria, A.; D’Angelo, D.; Davini, Stefano; Derbin, A.; Etenko, A.; Fomenko, K.; Franco, D.; Galbiati, C.; Gazzana, S.; Ghiano, C.; Giammarchi, M.; Goeger Neff, M.; Goretti, A.; Grandi, L.; Guardincerri, E.; Hardy, S.; Aldo, Ianni; Andrea, Ianni; Korablev, D.; Korga, G.; Koshio, Y.; Kryn, D.; Laubenstein, M.; Lewke, T.; Litvinovich, E.; Loer, B.; Lombardi, F.; Lombardi, P.; Ludhova, L.; Machulin, I.; Manecki, S.; Maneschg, W.; Manuzio, Giulio; Meindl, Q.; Meroni, E.; Miramonti, L.; Misiaszek, M.; Montanari, D.; Mosteiro, P.; Muratova, V.; Oberauer, L.; Obolensky, M.; Ortica, F.; Otis, K.; Pallavicini, Marco; Papp, L.; Perasso, L.; Perasso, S.; Pocar, A.; Quirk, J.; Raghavan, R. S.; Ranucci, G.; Razeto, A.; Re, A.; Romani, A.; Sabelnikov, A.; Saldanha, R.; Salvo, C.; Sch¨onert, S.; Simgen, H.; Skorokhvatov, M.; Smirnov, O.; Sotnikov, A.; Sukhotin, S.; Suvorov, Y.; Tartaglia, R.; Testera, G.; Vignaud, D.; Vogelaar, R. B.; von Feilitzsch, F.; Winter, J.; Wojcik, M.; Wright, A.; Wurm, M.; Xu, J.; Zaimidoroga, O.; Zavatarelli, S.; Zuzel, G.

doi:10.1088/1742-6596/375/4/042033

A very high radiopurity level of its scintillator and detector location far away from the European nuclear reactors makes Borexino a very sensitive tool for antineutrino studies. Spectral contributions corresponding to two known antineutrino sources were reported in a recently published paper [1]: ¯e’s produced in European nuclear reactors and geo-neutrinos, produced in decays of isotopes along the decay chains of long-lived 238U and 232Th distributed within the Earth’s interior. A sensitive search for other antineutrino sources has been performed.