Abstract
The Deep Underground Neutrino Experiment (DUNE) is an international, world-class experiment aimed at exploring fundamental questions about the universe that are at the forefront of astrophysics and particle physics research. DUNE will study questions pertaining to the preponderance of matter over antimatter in the early universe, the dynamics of supernovae, the subtleties of neutrino interaction physics, and a number of beyond the Standard Model topics accessible in a powerful neutrino beam. A critical component of the DUNE physics program involves the study of changes in a powerful beam of neutrinos, i.e., neutrino oscillations, as the neutrinos propagate a long distance. The experiment consists of a near detector, sited close to the source of the beam, and a far detector, sited along the beam at a large distance. This document, the DUNE Near Detector Conceptual Design Report (CDR), describes the design of the DUNE near detector and the science program that drives the design and technology choices. The goals and requirements underlying the design, along with projected performance are given. It serves as a starting point for a more detailed design that will be described in future documents.
Highlights
Introduction and Executive SummaryThis document summarizes the motivation for and the current status of the design of the Deep Underground Neutrino Experiment (DUNE) ND and accompanying infrastructure
System for on-Axis Neutrino Detection (SAND) importantly serves as a dedicated neutrino spectrum monitor that stays on axis when ND-liquid argon (LAr) and ND gas-argon detector (ND-gaseous argon (GAr)) have moved to an off-axis position
ND-O0 represents the ultimate goal of the ND in the context of the long-baseline neutrino oscillation measurement, namely to predict the expected observables at the far detector (FD), which include the number of selected neutrinos of each flavor, their reconstructed energy and other relevant kinematic variables, and backgrounds, as a function of the oscillation parameters
Summary
FERMILAB-PUB-21-067-E-LBNF-PPD-SCD-T This document was prepared by the DUNE collaboration using the resources of the Fermi National Accelerator Laboratory (Fermilab), a U.S Department of Energy, Office of Science, HEP User Facility. Fermilab is managed by Fermi Research Alliance, LLC (FRA), acting under Contract No DE-AC02-07CH11359. This research used resources of the National Energy Research Scientific Computing Center (NERSC), a U.S Department of Energy Office of Science User Facility operated under Contract No DE-AC02-05CH11231
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