MEASUREMENT OF THE 'NEUTRAL-K(L) TO GAMMA GAMMA' BRANCHING RATIO.
PRINCETON UNIV N J ELEMENTARY PARTICLES LAB
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A measurement of the branching ratio neutral-KL to gamma gammaneutral-KL to 3 pions was made with a spark chamber gamma ray spectrometer and it is compared with theoretical predictions. From this measurement and from the published branching ratio of neutral-KL to 3 pionsneutral-KL to all, the branching ratio of neutral-KL to gamma gammaneutral-KL to all was found to be 5.5 plus or minus 1.1 x 0.0001. Author
- Nuclear Physics and Elementary Particle Physics