Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2006-04-26
Eur.Phys.J.C48:787-796,2006
Physics
High Energy Physics
High Energy Physics - Phenomenology
Scientific paper
10.1140/epjc/s10052-006-0019-3
The Beta Beam CERN design is based on the present LHC injection complex and its physics reach is mainly limited by the maximum rigidity of the SPS. In fact, some of the scenarios for the machine upgrades of the LHC, particularly the construction of a fast cycling 1 TeV injector (``Super-SPS''), are very synergic with the construction of a higher $\gamma$ Beta Beam. At the energies that can be reached by this machine, we demonstrate that dense calorimeters can already be used for the detection of $\nu$ at the far location. Even at moderate masses (40 kton) as the ones imposed by the use of existing underground halls at Gran Sasso, the CP reach is very large for any value of $\theta_{13}$ that would provide evidence of $\nu_e$ appearance at T2K or NO$\nu$A ($\theta_{13}\geq 3^\circ$). Exploitation of matter effects at the CERN to Gran Sasso distance provides sensitivity to the neutrino mass hierarchy in significant areas of the $\theta_{13}-\delta$ plane.
de Fatis Tommaso Tabarelli
Donini Andrea
Fernandez-Martinez Enrique
Lavina Luca Scotto
Migliozzi Pasquale
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