Modeling scintillation photon transport and reconstruction algorithms for the time-of-flight detector in the T2K neutrino experiment
/ Authors
C. Alt, A. Blanchet, S. Bordoni, P. Collard, T. Bui, M.H. Bui, G. Ha, C. Jesús-Valls, V. Kasturi, A. Klustová
and 11 more authors
A. Korzenev, T. Le, T. Lux, A. Nguyen, D. Nguyen, H. Nguyen, S. Samani, F. Sánchez, M. Ta, T. Thaiduc, E. Villa
/ Abstract
The T2K ND280 upgrade aims to reduce the systematic uncertainty of the CP-violating phase, δ CP, to reject non-CP violation hypothesis at 3σ confidence level. A crucial component of the ND280 upgrade, alongside the Super Fine Grained Detector (SuperFGD) and two High-Angle Time Projection Chambers (TPCs), is the Time-of-Flight (ToF) detector, which significantly enhances background rejection and particle identification capabilities. The ToF detector features six modules in a cube configuration, each with 20 plastic scintillator bars measuring 220×12×1 cm3 and is equipped with Silicon Photomultiplier (MPPC) arrays at both ends to capture scintillation light. This letter outlines the modelling of the detector response and the signal reconstruction process.
Journal: Journal of Instrumentation