Modeling scintillation photon transport and reconstruction algorithms for the time-of-flight detector in the T2K neutrino experiment

Article Article scientifique Article Modeling scintillation photon transport and reconstruction algorithms for the time-of-flight detector in the T2K neutrino experiment eng 2026-01-29 2026 author Alt C. ETH, Zurich (main) author Blanchet Adrien U. Geneva (main) 406927 author Bordoni Stefania U. Geneva (main) 947940 Département de physique nucléaire et corpusculaire (FINUC) author Collard Pauline U. Geneva (main) 426481 author Bui T.h. Vietnam Natl. U. author Bui M.h. Hanoi Ed. U. author Ha G. Vietnam Natl. U. author Jesús-Valls C. CERN author Kasturi Vedantha Srinivas U. Geneva (main) 937020 Département de physique nucléaire et corpusculaire (FINUC) author Klustová A. Imperial Coll., London author Korzenev Alexander U. Geneva (main) 713449 author Le T.a. VAEC, Hanoi author Lux T. Barcelona, IFAE author Nguyen A.d. Vietnam Natl. U. author Nguyen D.t. Vietnam Natl. U. author Nguyen H. Vietnam Natl. U. author Samani Soniya U. Geneva (main) 419357 Département de physique nucléaire et corpusculaire (FINUC) author Sanchez Nieto Federico 0000-0003-0320-3623 U. Geneva (main) 909827 Département de physique nucléaire et corpusculaire (FINUC) author Ta M. Vietnam Natl. U. author Thaiduc T. Boston U. (main) author Villa Emanuele 0000-0002-3608-9022 CERN 983992 P01041 10.1088/1748-0221/21/01/P01041 1748-0221 2509.17860 https://iopscience.iop.org/article/10.1088/1748-0221/21/01/P01041 The T2K ND280 upgrade aims to reduce the systematicuncertainty of the CP-violating phase, δ$_{CP}$, toreject non-CP violation hypothesis at 3σ confidence level. Acrucial component of the ND280 upgrade, alongside the Super FineGrained Detector (SuperFGD) and two High-Angle Time ProjectionChambers (TPCs), is the Time-of-Flight (ToF) detector, whichsignificantly enhances background rejection and particleidentification capabilities. The ToF detector features six modulesin a cube configuration, each with 20 plastic scintillator barsmeasuring 220×12×1 cm$^{3}$ andis equipped with Silicon Photomultiplier (MPPC) arrays at both endsto capture scintillation light. This letter outlines the modellingof the detector response and the signal reconstruction process. Charge transport Multiplication and induction Pulse formation Electron emission Interaction of photons with matter Interaction of hadrons with matter Detector modelling and simulation Scintillators Light emission processes Scintillation Dewey 500.2 34 Département de physique nucléaire et corpusculaire 132 false Journal of instrumentation 21 01 41f1a3a5-6798-4070-9470-e371601f8e05 Article (Published version) Public Alt_2026_J._Inst._21_P01041.pdf 6495978 application/pdf CC BY-4.0 689f1d05e2e11423adb59dcb78ff2ec5cea8add32417ca0d97084549cc7cfd44 openAccess Faculté des sciences / Section de physique / Département de physique nucléaire et corpusculaire

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Modeling scintillation photon transport and reconstruction algorithms for the time-of-flight detector in the T2K neutrino experiment	Journal of instrumentation			2026	3	6

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