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The ICARUS T600 detector is now operational at Fermilab, analyzing neutrino beams to test sterile neutrino theories and measure neutrino cross-sections. Commissioning data shows successful event selection and reconstruction capabilities.

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Area of Science:

  • Particle Physics
  • Neutrino Physics
  • Experimental Physics

Background:

  • The ICARUS collaboration previously operated the T600 detector at LNGS, constraining neutrino oscillation parameters.
  • The T600 detector underwent significant overhaul and relocation to Fermilab for new physics investigations.

Purpose of the Study:

  • To commission the ICARUS T600 detector at Fermilab using Booster Neutrino Beam (BNB) and Neutrinos at the Main Injector (NuMI) beams.
  • To prepare for a search for sterile neutrinos and measurements of neutrino cross-sections.
  • To validate event selection, reconstruction, and analysis algorithms with real data.

Main Methods:

  • Detector cool down, liquid argon filling, and recirculation for cryogenic commissioning.
  • Collection and analysis of neutrino events from BNB and NuMI off-axis beams.
  • Performance evaluation of ICARUS subsystems and data analysis capabilities.

Main Results:

  • Successful completion of cryogenic commissioning in June 2022.
  • Demonstrated capability in selecting and reconstructing neutrino events from BNB and NuMI beams.
  • Preliminary technical results highlight subsystem performance and data analysis readiness.

Conclusions:

  • The ICARUS T600 detector is ready for its physics program at Fermilab.
  • The detector's performance and analysis tools are validated, paving the way for future scientific goals.
  • The experiment is poised to contribute to sterile neutrino searches and cross-section measurements.