Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2002-07-05
JHEP 0209 (2002) 004
Physics
High Energy Physics
High Energy Physics - Phenomenology
19 pages, 8 figures
Scientific paper
10.1088/1126-6708/2002/09/004
The possibility to improve the CERN to Gran Sasso neutrino beam performances for theta_{13} searches is investigated. We show that by an appropriate optimization of the target and focusing optics of the present CNGS design, we can increase the flux of low energy neutrinos by about a factor 5 compared to the current tau optimized focalisation. With the ICARUS 2.35 kton detector at LNGS and in case of negative result, this would allow to improve the limit to sin^22 theta_{13} by an order of magnitude better than the current limit of CHOOZ at Delta m^2 approximately 3 times 10^{-3} eV^2 within 5 years of nominal CNGS running. This is by far the most sensitive setup of the currently approved long-baseline experiments and is competitive with the proposed JHF superbeam.
Rubbia Andre
Sala Paola
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