Abstract
IN Nature of January 29, 1949 (p. 181), Prof. L. Jánossy and C. B. A. McCusker presented evidence for the existence of light mesons called 'λ-mesons' in the air showers of cosmic rays, and deduced several properties of these new particles. We think that the evidence has been misinterpreted and can be accounted for more simply without invoking new particles ; and that mesons do not exist in the air showers—nor, probably, do they exist anywhere else.
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Cocconi, G., Cocconi Tongiorgi, V., and Greisen, K., Phys. Rev., 75, No. 6 (1949).
Greisen, K., Phys. Rev., 75, No. 6 (1949).
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COCCONI, G., GREISEN, K. λ-Mesons in Air Showers. Nature 163, 810 (1949). https://doi.org/10.1038/163810a0
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DOI: https://doi.org/10.1038/163810a0
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