A minimal Beta Beam with high-Q ions to address CP violation in the leptonic sector

Details A minimal Beta Beam with high-Q ions to address CP violation in the leptonic sector A minimal Beta Beam with high-Q ions to address CP violation in the leptonic sector

2010-04-21

arxiv.org/abs/1004.3773v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

19 pages, 10 figures, added references and corrected typos

Scientific paper

In this paper we consider a Beta Beam setup that tries to leverage at most existing European facilities: i.e. a setup that takes advantage of facilities at CERN to boost high-Q ions (8Li and 8B) aiming at a far detector located at L = 732 Km in the Gran Sasso Underground Laboratory. The average neutrino energy for 8Li and 8B ions boosted at \gamma ~ 100 is in the range E_\nu = [1,2] GeV, high enough to use a large iron detector of the MINOS type at the far site. We perform, then, a study of the neutrino and antineutrino fluxes needed to measure a CP-violating phase delta in a significant part of the parameter space. In particular, for theta_13 > 3 deg, if an antineutrino flux of 3 10^19 useful 8Li decays per year is achievable, we find that delta can be measured in 60% of the parameter space with 6 10^18 useful 8B decays per year.

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