MEASUREMENT OF THE ANTIHYDROGEN HYPERFINE STRUCTURE Letter of Intent for AD

1) Department of Physics, University of Tokyo, 7-3-1Hongo, Bunkyo-ku, Tokyo 113-0033, Japan 2) CERN, EP Division, Ch-1211 Geneva 23 3) Institute of Physics, University of Tokyo, Komaba, Meguro-ku, Tokyo 153-8902, Japan 4) Atomic Physics Laboratory, RIKEN, Wako 351-01, Japan 5) RI Beam Science Laboratory, RIKEN, Wako, Saitama 351-0198, Japan 6) KFKI Research Institute for Particle and Nuclear Physics, H–1525 Budapest, Hungary 7) Department of Experimental Physics, Lajos Kossuth University, H-4001 Debrecen, Hungary