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SciDAC also has carried out successful accelerator designs for the final particle accelerator facility of the Man and Machine Interface (MMI) project at Man Laitlung, Ladakh, India. MMI is a DOE-funded, facility-scale technology demonstrator for beamline optics and beamline drives in an ultra-low background, pulsed-radionuclide laboratory for antineutrino physics and materials science. The pulse-pileup effect, which becomes important for the neutrino detection in a medium-baseline kilometer-scale accelerator-based neutrino oscillation experiment, was proposed first by Webster-Perkins et al. and later developed by Gonzalez-Garcia and Chavez-Diaz. This effect for the first time explains the observed pulsed enhancement of the positron lifetime at sea level in the CERN-Gran Sasso Deep Underground Laboratory by the OPERA Collaboration. The MMI project is a first step towards demonstration of the pulse-pileup effect in medium-baseline neutrino oscillation experiments in the future. MMI would provide the knowledge base and test beds to illustrate the feasibility, acceptance, and performance of the pulse-pileup effect in medium-baseline neutrino oscillation experiments with a future medium-baseline accelerator-based reactor neutrino source. The first MMI pulse-pileup simulation results were made available to the scientific community, and this approach is used for future design efforts using MMI elements for future long-baseline neutrino oscillation experiments. MMI embodies a paradigm shift in the accelerator-facility design and operation over the past thirty years. It is important to realize this shift and realize MMI
in the current science and technology cycles. We report this progress in MMI, which is a main building block for MIXLOMAX, the new flagship US accelerator-based neutrino oscillation physics experiment. The MMI target is the first fully compact, fully segmented and normal-conducting magnetic superconducting radiofrequency quadrupole (RFQ) for a billion particle per bunch (Bpb) rate. Such aRFQ would provide a number of advantages for experiments seeking low background and high efficiency in the production and development of ultra-high intensity proton and proton-ion pulsed beams. d2c66b5586