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T2K (Tokai to Kamioka) . First neutrino oscillation experiment of the 2 nd generation . 12 countries: Canada, France, Germany, Italy , Japan, Korea, Poland, Russia, Spain, Switzerland, UK, USA 62 Institutions, 477 members. From Poland: Inst. of Nuclear Physics, Kraków
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T2K (Tokai to Kamioka) First neutrino oscillation experiment of the 2nd generation 12 countries: Canada, France, Germany, Italy, Japan,Korea, Poland, Russia, Spain,Switzerland, UK, USA 62 Institutions, 477 members • From Poland: • Inst. of Nuclear Physics, Kraków • Inst. of Nuclear Studies, Warsaw • Univ. of Silesia • Univ. Warsaw • Univ. of Wroclaw • Warsaw Univ. of Technology Neutrino beam from J-PARC lab. in Tokai sent to the largest underground detector in the world: Super-Kamiokande. At J-PARC a near detector ND280 has just been commissioned and in Nov 2009 recorded first neutrino events.
Contribution of Polish groups Construction of the near detector ND280 in J-PARC (2008-2009). Polish groups participated in production and installation of SMRD couters in the slits of a large magnet 440 modules of 4 or 5 counters were installed in summer of 2009 were installed. From PL 13 people worked in Japan during the installation and testing. The first data are currently analyzed. The SMRD counters provide cosmic ray triggers and allow more precise reconstruction of the neutrino beam.