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This contribution describes the main features, performance, functional requirements and modes of operations of the LBNF cryogenics system. The US Department of Energy has approved the conceptual design of a new experiment that will be a major test of our current understanding of neutrinos and their mysterious role in the universe. DUNE scientists will paint a clearer picture of the universe and how it works. The Long-Baseline Neutrino Experiment aims to discover whether neutrinos violate the fundamental matterantimatter symmetry of physics. The experiment will comprise a new, high-intensity neutrino source generated from a megawatt-class proton accelerator at Fermi National Accelerator Laboratory (Fermilab) directed at a large far detector at the Sanford Underground Research Facility in Lead, South Dakota (US). Excavation crews will be digging out four massive caverns as part of the Long Baseline Neutrino Facility (LBNF), which will house the Deep Underground Neutrino Experiment (DUNE). The LBNE Project was formed to design and construct the Long-Baseline Neutrino Experiment. DUNE will be installed in the Long-Baseline Neutrino Facility, under construction in the United States. On July 21, one mile beneath Lead, South Dakota, construction began on the first international mega-science experiment ever hosted on U.S. The cryogenics system supplies and maintains the argon needed for DUNE, as it enables the study of neutrinos from a new and improved beamline from Fermilab, as well as the dynamics of supernovae and the possibility of proton decay. The Deep Underground Neutrino Experiment is an international flagship experiment to unlock the mysteries of neutrinos. The Long-Baseline Neutrino Facility (LBNF) provides the conventional facilities andĬryogenics infrastructure supporting this experiment.

Detectors will be located inside four cryostats filled with almost 70,000 ton of ultrapure liquid argon, with a level of impurities lower than 100 parts per trillion of oxygen equivalent contamination. This volume of the LBNF/DUNE Conceptual Design Report covers the Long-Baseline Neutrino Facility for DUNE and describes the LBNF Project, which includes. It will fire neutrinos 1300 km from Fermilab in Illinois towards the 70,000 ton DUNE detector at the Sanford Underground Research Facility (SURF) in South Dakota in order to study neutrino oscillations. The Sanford Underground Research Facility (SURF) will host the Deep Underground Neutrino Experiment (DUNE), an international multi-kiloton Long-Baseline neutrino experiment that will be installed about a mile underground in Lead, SD. The LBNF will be the world’s most intense high-energy neutrino beam.