| NUKLEONIKA 1997, 42(1):61-68
MEASUREMENT OF ELECTRON-POSITRON ANNIHILATION
AT REST INTO FOUR AND FIVE PHOTONS
M. Chiba, R. Hamatsu, T. Hirose, T. Matsumoto, J. Yang
Department of Physics, Tokyo Metropolitan University,
1-1 Minami Ohsawa, Hachioji-Shi, Tokyo 192-03, Japan
Activities for measuring electron-positron annihilation at rest into four and five photons are reported. The measurement intends to verify QED at the higher order.
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