C11	  Commission	  on	  Particles	  and	  Fields	  Patricia McBride
Fermilab MS 370+1(630)840-8071

His Excellency Mr. Tatsuo Kawabata
Minister of Education, Culture, Sports, Science and Technology
3-2-2 Kasumigaseki, Chiyoda-ku
Tokyo, 100-8959 Japan
Your Excellency,
The members of the International Union of Pure and Applied Physics (IUPAP) C11
Commission on Particles and Fields would like to acknowledge the significant anddistinguished contributions of Japanese scientists and Japanese scientific research
projects to the field of elementary particle physics.
C11 promotes the exchange of information and views among the members of theinternational scientific community in the field of Particles and Fields. This field ofscience investigates the nature and properties of the fundamental constituents ofmatter and the forces acting between these constituents. In addition, the fieldencompasses the accelerators, detectors and techniques used in these investigations
and the industrial applications of related technologies.
Scientists working in Japan have made many major contributions to our field. The
discovery of neutrino mass was heralded as one of the most important discoveries inelementary particle physics during the last quarter century. The first convincing
evidence for neutrino masses came from Super-Kamiokande, a Japanese experiment.
The Kamiokande experiment on the other hand, the predecessor of Super-Kamiokande,
detected neutrinos coming from supernova 1987a. These detected neutrinos showedthat we are able to understand the science of supernova explosions. In 2002, theJapanese scientist Masatoshi Koshiba won a Nobel Prize for his leading role in theKamiokande and Super-Kamiokande experiments.
The Japanese research center KEK and the American research center SLAC havestudied the difference between the behavior of matter and antimatter at their facilities
known as "B-Factories". The healthy competition between these two experiments
stimulated many results in this very challenging field. In 2008, two Japanese scientists
Makoto Kobayashi and Toshihide Maskawa won a Nobel Prize for their explanation ofthis matter-antimatter difference.
Each year, IUPAP C11 sponsors a small selection of the most important international
conferences in the field. In 2009, our first conference on Technology andInstrumentation in Particle Physics was held in Tsukuba, Japan. The large number ofscientists from the region and from around the world that participated was a tribute tothe vitality of the local community. In 2010, the first IUPAP sponsored International
Particle Accelerator Conference will be hosted in Kyoto.
Innovation in science and technology are essential to improving the human quality oflife. The international scientific community greatly values the contributions of ourcolleagues in Japan to the fundamental science and admires the innovation they bringto accelerator and detector technologies. We express our strongest support for theircontinuing excellent contributions to science and technology.
Sincerely,Patricia McBrideChair, IUPAP Commission on Particles and Field	  	  	  IUPAP	  C11	  Commission	  Membership	  	  Officers:	  Chair:	  McBRIDE,	  PATRICIA	  	  Fermi	  National	  Accelerator	  Laboratory,	  USA	  Vice-­‐Chair:	  AIHARA,	  HIROAKI	  	  University	  of	  Tokyo,	  JAPAN	  	  Secretary:	  TAYLOR,	  GEOFFREY	  University	  of	  Melboune,	  AUSTRALIA	  	  Members:	  OLCHEVSKI,	  ALEXANDER	  	  	   	  Joint	  Institute	  for	  Nuclear	  Research,	  JINR,	  RUSSIA	  LI,	  WEIGUO	  	  	  Institute	  of	  High	  Energy	  Physics,	  CHINA	  CARITHERS,	  WILLIAM	  	  	  Lawrence	  Berkeley	  National	  Laboratory,	  USA	  MUELLER,	  THOMAS	  	  	  Universitit	  Karlsruhe,	  GERMANY	  LE	  DIBERDER,	  FRANCOIS	  R.	  
Universit	  Paris-­‐Sud	  11,	  FRANCE	  	  DOSSELLI,	  UMBERTO	  	  	  INFN	  Padova,	  ITALY	  	  GREEN,	  MICHAEL	  	  	  Royal	  Holloway	  University	  of	  London,	  UK	  	  AGUILAR-­‐BENITEZ,	  MANUEL	  	  CIEMAT,	  SPAIN	  GODBOLD,	  ROHINI	  	  	  Indian	  Institute	  of	  Science	  ,	  INDIA	  HOREJSI,	  JIRI	  	  	  	  Charles	  University,	  CZECH	  REPUBLIC	  GAZIS,	  EVANGELOS	  	  	  National	  Technical	  University	  of	  Athens,	  GREECE