The recording of the DLNP seminar “Participation of JINR in the T2K-II Experiment” given by Yu. I. Davydov, I. A. Suslov on November 22, 2022. The report discussed the goals of the T2K-II experiment, upgrade of the Near Detector ND280, contribution of the JINR group to the creation and assembly of the SFGD active target, development of the SFGD calibration system. 

The participation of the JINR group in commissioning of the Near Detector, in engineering and physics runs, as well as in the study of the sources of systematic errors of the ND280 detector, in the search for light dark matter on the data obtained from the Near Detector ND280, and the study of other processes were considered.