Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2009-09-11
Physics
High Energy Physics
High Energy Physics - Phenomenology
17 pages, 9 eps figures, updated background estimates for detectors and reduced size of LArTPC to 50kt. Added discussion of 73
Scientific paper
We discuss in detail the physics reach of an experimental set-up where electron neutrinos (anti-neutrinos) produced in a beta-beam facility at Fermi National Accelerator Laboratory (FNAL) are sent, over a distance of L~1300km, to the Deep Underground Science and Engineering Laboratory (DUSEL). A 300kt Water Cherenkov (WC) detector and a 50kt Liquid Argon Time Projection Chamber (LArTPC) are considered as possible detector choices. We propose to use 18Ne and 6He as source ions for electron neutrino and electron anti-neutrino beams, respectively. The maximum Lorentz boost factor, gamma, available for these ions using the Tevatron are gamma_Ne=585 and gamma_He=350. This particular set-up provides the opportunity to probe the first oscillation maximum using the neutrino beam and the second oscillation maximum using the anti-neutrino beam which helps to evade some parameter degeneracies. The resulting physics sensitivities for theta_13, CP violation and the mass hierarchy are compared to those of a conventional superbeam from FNAL to DUSEL.
Agarwalla Sanjib Kumar
Huber Patrick
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