A. Zichichi
University of Bologna
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Featured researches published by A. Zichichi.
Astroparticle Physics | 2005
N. Yu. Agafonova; M. Aglietta; P. Antonioli; G. Bari; V. V. Boyarkin; G. Bruno; W. Fulgione; P. Galeotti; M. Garbini; P. L. Ghia; P. Giusti; E. Kemp; V. V. Kuznetsov; V. A. Kuznetsov; A. S. Malguin; H. Menghetti; A. Pesci; I.A. Pless; A. Porta; V. G. Ryasny; O. G. Ryazhskaya; O. Saavedra; G. Sartorelli; M. Selvi; C. Vigorito; F. Vissani; L. Votano; V. F. Yakushev; G. T. Zatsepin; A. Zichichi
The LVD detector, located in the INFN Gran Sasso National Laboratory (Italy), studies supernova neutrinos through the interactions with protons and carbon nuclei in the liquid scintillator and interactions with the iron nuclei of the support structure. We investigate the effect of neutrino oscillations in the signal expected in the LVD detector. The MSW effect has been studied in detail for neutrinos travelling through the collapsing star and the Earth. We show that the expected number of events and their energy spectrum are sensitive to the oscillation parameters, in particular to the mass hierarchy and the value of
Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 2004
M. Aglietta; P. Antonioli; G. Bari; C. Castagnoli; W. Fulgione; P. Galeotti; M. Garbini; P. L. Ghia; P. Giusti; E. Kemp; A. S. Malguin; H. Menghetti; A. Pesci; I.A. Pless; A. Porta; V. G. Ryasny; Ol'ga G. Ryazhskaya; O. Saavedra; G. Sartorelli; M. Selvi; C. Vigorito; L. Votano; V. F. Yakushev; G. T. Zatsepin; A. Zichichi
theta_{13}
Nuclear Physics B - Proceedings Supplements | 2007
R. Antolini; A. Badalà; R. Baldini Ferroli; G. Bencivenni; F. Blanco; E. Bressan; A. Chiavassa; L. Cifarelli; F. Cindolo; E. Coccia; S. De Pasquale; A. Di Giovanni; M. D'Incecco; F.L. Fabbri; M. Garbini; C. Gustavino; D. Hatzifotiadou; G. Imponente; P. La Rocca; F. Librizzi; H. Menghetti; S. Miozzi; G. S. Pappalardo; G. Piragino; F. Riggi; G. Sartorelli; C. Sbarra; M. Selvi; C. Williams; A. Zichichi
, presently unknown. Finally we discuss the astrophysical uncertainties, showing their importance and comparing it with the effect of neutrino oscillations on the expected signal.
arXiv: Instrumentation and Detectors | 2006
R. Antolini; R. Baldini Ferroli; M. Caporaloni; A. Chiavassa; L. Cifarelli; F. Cindolo; E. Coccia; S. De Pasquale; M. Garbini; C. Gustavino; D. Hatzifotiadou; G. Imponente; H. Menghetti; G. Piragino; G. Sartorelli; M. Selvi; C. Williams; A. Zichichi
Abstract The importance of an adequate CNGS beam monitor at the Gran Sasso Laboratory has been stressed in many papers. Since the number of internal ν μ CC and NC interactions in the various detectors will not allow to collect statistics rapidly, one should also be able to detect the ν μ CC interactions in the upstream rock. In this study, we have investigated the performances of the LVD detector as a monitor for the CNGS neutrino beam. Thanks to its wide area ( 13×11 m 2 orthogonal to the beam direction) LVD can detect about 120 muons per day originated by ν μ CC interactions in the rock. The LVD total mass is ∼2 kt . This allows to get 30 more CNGS events per day as internal (NC+CC) ν μ interactions, for a total of ∼150 events/day . A 3% statistical error can be reached in 7 days. Taking into account the time characteristics of the CNGS beam, the cosmic muon background can be reduced to a negligible level, of the order of 1.5 events/day .
arXiv: Instrumentation and Detectors | 2007
V. Peskov; A. Zichichi
