Author: Smidt, T.
Paper Title Page
WEPS071 High Power, High Energy Cyclotrons for Muon Antineutrino Production: the DAEdALUS Project 2667
 
  • J.R. Alonso, T. Smidt
    MIT, Cambridge, Massachusetts, USA
 
  Neutrino physics is very much at the forefront of today's research. Large detectors installed in deep underground locations study neutrino masses, CP violation, and oscillations using neutrino-sources including long- and short-baseline beams of neutrinos from muons decaying in flight. DAEdALUS* looks at neutrinos from stopped muons, “Decay At Rest (DAR)” neutrinos. The DAR neutrino spectrum has no electron antineutrinos (nu-e-bar) (pi-minus are absorbed), so a detector with much hydrogen (water-Cherenkov or liquid scintillator) is sensitive to appearance of nu-e-bar’s oscillating from nu-mu-bar via inverse-beta-decay. Oscillations are studied using shorter baselines, less than 20 km reaching the same range as the current and planned high-energy neutrino lines at Fermilab. As the neutrino flux is not variable, nor is the energy, the baseline is varied, plans call for 3 accelerator-based neutrino sources at 1.5, 8 and 20 km with staggered beam-on cycles. Key is cost-effectively generating megawatt beams of 800 MeV protons. A superconducting ring cyclotron is being designed by L. Calabretta and his group**. This revolutionary design could find application in many ADS-related fields.
* DAEdALUS Expression of Interest, arXiv:1006.0260
** Calabretta et al., "A Superconducting Ring Cyclotron to Search for CP Violation in the Neutrino Sector", this conference