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For the type of musical group, see Mariachi.

MARIACHI, the Mixed Apparatus for Radar Investigation of Cosmic-rays of High Ionization, is an apparatus for the detection of ultra-high-energy cosmic rays (UHECR) via bi-static radar using VHF transmitters. MARIACHI is also the name of the research project at Brookhaven National Laboratory operating the apparatus. The apparatus is located on Long Island.

Its inventors hope that the MARIACHI apparatus will detect UHECR over much larger areas than previously possible, and that it will also detect ultra high energy neutrino flux. The ground array detectors are scintillator arrays that are built and operated by high school students and teachers.[1]


  1. ^ Takai, Helio (2006-04-26). "American Physical Society, APS April Meeting, April 22–26, 2006".  |chapter= ignored (help)

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