Eos detector (IMAGE)

University of California - Berkeley

Eos detector

Caption

UC Berkeley physicist Gabriel Orebi Gann and Berkeley Lab engineer Joe Saba inspected the Eos detector — 242 photomultiplier tubes surrounding an acrylic tank — as it was lowered into a steel tank on Jan. 26, 2024. During testing, the tank will be filled with water and eventually a scintillator that will generate pulses of light when neutrinos or antineutrinos pass through. The photomultiplier tubes detect the light and help determine the energies of the particles and the direction from which they arrived.

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Zara Bagdasarian/UC Berkeley

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