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IHEP 2002 - 19
V.V.Ammosov, V.I.Garkusha, A.M.Zaytsev, A.A.Ivanilov, V.V.Kabachenko, E.A.Melnikov, F.N.Novoskoltsev, A.P.Soldatov
Prospects to Measure Neutrino Oscillation Pattern with Very Large Area Underground Detector at Very Long Baselines
Protvino, 2002.- p.20, figs. 17, table 7, refs.:24.


The concept of a very long baseline neutrino experiment with quasi monochromatic neutrino beam and very large area underground detector is discussed. The detector could be placed in the existing 20~km tunnel at IHEP, Protvino. The High Intensity Proton Accelerators (HIPA) which are planned to be built in Japan (JAERI-KEK, baseline of $\sim 7000$~km) and Germany (GSI, baseline of $\sim 2000$~km) as well as the Main Injector at Fermilab ($\sim 7600$~km) are considered as possible sources of neutrino beams. The oscillations are analysed in the three-neutrino scheme taking into account terrestrial matter effects. In the proposed experiment it is feasible to observe the oscillation pattern as an unique proof of the existence of neutrino oscillations. Precise measurements of disappearance oscillation parameters of the muon neutrinos and antineutrinos can be done within a reasonable time.


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