Speaker
Description
The Short-Baseline Near Detector (SBND) is a neutrino experiment located at Fermilab (USA). Filled with 112 tons of liquid argon and placed 110 meters away from the neutrino beam target, SBND serves as the near detector of Fermilab's Short-Baseline Neutrino Program, with ICARUS being its far detector. Given its proximity to the neutrino production target, SBND is exposed to a very high flux of neutrinos and is recording 3 million neutrino interactions every year. The SBND detector completed commissioning and began taking data in the summer of 2024. With its precise tracking and calorimetric capabilities, and powerful light collection system, SBND will provide precise neutrino-argon cross-section measurements and investigate the possible existence of a sterile neutrino in the eV-scale mass range, besides other searches for exotic interactions that may be evidence of new physics. In addition, SBND has the unique characteristic of being slightly offset from the neutrino beamline in such a way that allows sampling of multiple neutrino fluxes using the same detector. This work presents the preliminary results from SBND’s differential inclusive νₑ charged-current analysis on Run 1 data. We will give an overview of the selection, cross-section extraction, and SBND’s electromagnetic shower reconstruction performance through data/MC comparisons.
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