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Agafonova, N. Y.; Aglietta, M.; Antonioli, P.; Ashikhmin, V. V.; Badino, G.; Bari, G.; Bertoni, R.; Bressan, E.; Bruno, G.; Dadykin, V. L.; Dobrynina, E. A.; Enikeev, R. I.; Fulgione, W.; Galeotti, P.; Garbini, M.; Ghia, P. L.; Giusti, P.; Gomez, F.; Kemp, E.; Malgin, A. S.; Molinario, A.; Persiani, R.; Pless, I. A.; Porta, A.; Ryasny, V. G.; Ryazhskaya, O. G.; Saavedra, O.; Sartorelli, G.; Shakiryanova, I. R.; Selvi, M.; Trinchero, G. C.; Vigorito, C.; Yakushev, V. F.; Zichichi, A.
The Astrophysical journal, 03/2015, Letnik: 802, Številka: 1Journal Article
ABSTRACT The Large Volume Detector (LVD) has been continuously taking data since 1992 at the INFN Gran Sasso National Laboratory. The LVD is sensitive to neutrino bursts from gravitational stellar collapses with full detection probability over the Galaxy. We have searched for neutrino bursts in LVD data taken over 7,335 days of operation. No evidence of neutrino signals has been found between 1992 June and 2013 December. The 90% C.L. upper limit on the rate of core collapse and failed supernova explosions out to distances of 25 kpc is found to be 0.114 yr−1.
