PT Journal AU T2K Collaboration (Abe, Kea Cervera-Villanueva, A Escudero, L Gomez-Cadenas, JJ Hansen, C Monfregola, L Sorel, M Stamoulis, P TI The T2K experiment SO Nuclear Instruments & Methods in Physics Research A JI Nucl. Instrum. Methods Phys. Res. A PY 2011 BP 106 EP 135 VL 659 IS 1 DI 10.1016/j.nima.2011.06.067 LA English DE Neutrinos; Neutrino oscillation; Long baseline; T2K; J-PARC; Super-Kamiokande AB The T2K experiment is a long baseline neutrino oscillation experiment. Its main goal is to measure the last unknown lepton sector mixing angle theta(13) by observing nu(e) appearance in a nu(mu) beam. It also aims to make a precision measurement of the known oscillation parameters, Delta m(23)(2) and sin(2)2 theta(23), via nu(mu) disappearance studies. Other goals of the experiment include various neutrino cross-section measurements and sterile neutrino searches. The experiment uses an intense proton beam generated by the J-PARC accelerator in Tokai, Japan, and is composed of a neutrino beamline, a near detector complex (ND280), and a far detector (Super-Kamiokande) located 295 km away from J-PARC. This paper provides a comprehensive review of the instrumentation aspect of the T2K experiment and a summary of the vital information for each subsystem. ER