The Short Baseline Neutrino Program at Fermilab

TL;DR

The paper reviews the progress and initial results of Fermilab's Short Baseline Neutrino program, highlighting detector deployments, data collection, and the search for sterile neutrinos using multiple experiments and beams.

Contribution

It provides an update on the status of SBN detectors, reports first neutrino data from ICARUS, and discusses the potential to confirm or refute sterile neutrino signals like MiniBooNE's low energy excess.

Findings

ICARUS has collected its first neutrino data.

MicroBooNE has produced high-statistics results on $ u$-Ar interactions.

The SBN program aims to investigate sterile neutrino anomalies.

Abstract

The current status of the Short Baseline Neutrino (SBN) project at Fermilab is reviewed. While the installation of SBND is still in progress, ICARUS has taken its first neutrino data on beam: using both the Booster Neutrino Beam (BNB) and the Neutrino at the Main Injector (NuMI) beam. MicroBooNE has presently completed its data taking and is producing the world's first high statistics results on $\nu$-Ar interactions, in both inclusive and exclusive channels. In parallel, the unexpected MiniBooNE "low energy excess" is under investigation, to search for sterile neutrinos. The physics potential for sterile neutrino searches at SBN will be outlined, with emphasis on the Neutrino-4 experiment and the possible ICARUS verification of this claim.