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A Review of ICARUS

March 16, 2017

20170316_095053Andrea Zani (left) presented the status of the ICARUS-600 experiment.

The liquid Argon technology on which the detector is based was first proposed by Rubbia as an alternative to Cherenkov detection of neutrino interactions to resolve complex neutrino interactions. The T600 detector concluded in 2013 a successful three-year-long run at LNGS, both with CNGS neutrinos and cosmic rays.

ICARUS was able to run smoothly for three years, with a >93% live time, with 0.73 kT-year exposure to cosmics. It did a sensitive search for the LSND-like anomaly with the CNGS beam, reducing the LSND experimental window to a narrow region of parameter space.

The detector demonstrated the effectivenes of single-phase LAr-TPC technique, paving the way to huge detectors with longer drift distances, as required for the LBNF/DUNE project in the US. T600 was moved from LNGS to CERN in December 2014, introducing a number of upgrades. In addition, an external Cosmic Ray Tagging system will equip the detector, to allow operation at a shallow depth.

ICARUS is now ready to travel to the US in the following months. It will be exposed to the booster neutrino beam at FNAL, within the SB program, aiming at a definite answer to the sterile neutrino hypothesis. With 6.6×10^20 protons on target, in 3 years, a full exclusion of the LSND anomaly can be probed.





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