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T2K
M Malek, M Raymond, Y Uchida, A Vacheret, D Wark, M Wascko, P Guzowski, S Dipper, G Kogan, P Masliah, M Scott, S Short, J Van Schalkwyk
The T2K (Tokai-to-Kamioka) Experiment is expected to
be the first long-baseline neutrino superbeam oscillation experiment.
The experiment will direct the most intense neutrino beam ever designed,
currently under construction at the J-PARC facility at Tokai village on
the east coast of Japan, towards the Super-Kamiokande detector, ocated
295 km away in the mountains of western Japan. The T2K experiment aims
to measure the mixing angle sin^ 2 2 theta_23 to an accuracy of 1% and
the 2-3 mass squared difference to an accuracy of 5%. It aims to extend
sensitivity to the mixing angle sin^2 2theta_13 by a factor of 20 over
current limits.
The experiment requires an excellent understanding of the properties of
the neutrino beam and neutrino interactions. This will be achieved by
building a suite of near detectors which will operate close to the source
of the beam. The group is leading the UK effort in the specification,
design, and construction of one of the near detectors.
At the same time, it is involved in testing different options for the
photosensors which will be used in the near detector, and is prominent
in the development of analysis and simulation software which will be used
to tune the detector design.
Last modified: January 2006