Status of the Short-Baseline Near Detector at Fermilab
March 01, 2022
The Short Baseline Near Detector (SBND) is one of three detectors in the SBN program at Fermilab and will be using LArTPC technology to visualize neutrino interactions. The detector will have an active mass of ~112 tons of liquid argon and be stationed at ~110 m away from the Booster Neutrino Beam (BNB) target. The SBND experiment will be playing a crucial role in investigating into the low energy excess observed by the MiniBooNE and LSND experiments, which is the primary objective of the SBN program and will either confirm or rule out the existence of eV-mass scale sterile neutrinos over 5 sigma confidence level. In addition, the experiment will be hosting the world’s highest high precision cross section measurements in many different electron neutrino and muon neutrino exclusive channels for neutrino-Ar scattering at a few GeV energy regime. The SBND physics program will also have a special emphasis on some of the BSM physics searches, including milli-charged particles, light dark matter and heavy neutral leptons. The assembly of the different sub systems of the detector such as light detection system, cosmic ray tagger, anode and cathode plane modules, cold electronics and membrane cryostat has already begun in the Fermilab site and many other places and steadily going forward with a targeted timeline of first physics data in early 2023.
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