| Issue |
EPJ Web Conf.
Volume 320, 2025
20th International Conference on Calorimetry in Particle Physics (CALOR 2024)
|
|
|---|---|---|
| Article Number | 00032 | |
| Number of page(s) | 4 | |
| DOI | https://doi.org/10.1051/epjconf/202532000032 | |
| Published online | 07 March 2025 | |
https://doi.org/10.1051/epjconf/202532000032
Highly Segmented Neutrino Detector SuperFGD for the T2K Experiment
University of Pennsylvania, 209 S 33rd St, Philadelphia, PA 19104, United States
* e-mail: alexrd@hep.upenn.edu
Published online: 7 March 2025
The T2K long-baseline neutrino oscillation experiment has reported a first indication of CP violation in neutrino oscillations. For further improvement of the experimental sensitivity, T2K installed a novel high granular scintillator detector, called SuperFGD, to reduce systematic uncertainties. It consists of about 2 millions of 1 cm3 optically-isolated plastic scintillator cubes as a fully-active target. Scintillation light in the cubes is read out by about 56,000 channels in the three orthogonal directions with wave-length shifting fibers coupled to Multi-Pixel Photon Counters (MPPCs). In addition to excellent tracking capability, this novel structure of SuperFGD allows us to perform calorimetry such as EM shower and detection of proton Bragg peak. We report the detector design, construction, detection of first neutrino candidates and initial evaluation of detector performance toward the calorimetric analysis.
© The Authors, published by EDP Sciences, 2025
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