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- R.J. Barlow, A. Bungau, A.M. Kolano
University of Huddersfield, Huddersfield, United Kingdom
- A. Adelmann
PSI, Villigen PSI, Switzerland
- J.R. Alonso
LBNL, Berkeley, California, USA
- W.A. Barletta, A. Calanna, D. Campo, J.M. Conrad
MIT, Cambridge, Massachusetts, USA
- L. Calabretta
INFN/LNS, Catania, Italy
- F. Méot
BNL, Upton, Long Island, New York, USA
- H.L. Owen
UMAN, Manchester, United Kingdom
- M. Shaevitz
Columbia University, New York, USA
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DAEδALUS (Decay At rest Experiment for δcp At a Laboratory for Underground Science) has been proposed to measure the value of the CP violating phase delta through the oscillation of low energy muon anti-neutrinos to electron antineutrinos. With a single large detector, three accelerators at different distances enable the oscillation to be measured with sufficient accuracy. We have proposed the superconducting multi-megawatt DAEδALUS Supercinducting Ring Cyclotron (DSRC) as the means of producing the 800 MeV 12 mA protons required, through the acceleration of H2+, ions with highly efficient stripping extraction. The DSRC comprises twin ion sources and injector cyclotrons, followed by a booster. The injector cyclotron can also be used for a separate experiment, IsoDAR (Isotope Decay At Rest) in which low energy protons produce Lithium 8, and thus a very pure electron antineutrino source which can be used to measure, or rule out, short range oscillation to a sterile neutrino. We describe recent developments in the designs of the injector and the booster, and the prospects for the two experiments.
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