Speaker
Description
The Jiangmen Underground Neutrino Observatory (JUNO) is a 20 kton liquid scintillator detector located in South China, designed to achieve an unprecedented 3% energy resolution at 1 MeV. This capability is essential to determine the neutrino mass ordering and to perform high-precision studies of oscillation phenomena , opening new opportunities in neutrino physics. To support this ambitious physics program, JUNO relies on a robust Distributed Computing Infrastructure (DCI) jointly developed by IHEP and several European data centers, leveraging WLCG technologies. The DCI is expected to manage approximately 3 PB of data annually, ensuring efficient storage, distribution, and coordinated analysis across three continents.
This contribution presents the commissioning and early operational experience of the DCI during water and liquid scintillator filling, detector commissioning, and initial data-taking. We discuss the integration of computing resources, data management workflows, and performance metrics observed in early operations. Lessons learned from these activities demonstrate the readiness and scalability of the infrastructure to meet JUNO’s long-term requirements for precision neutrino physics.
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