A search for Nuclear Disintegrations produced by slow Negative Heavy Mesons. [Offprint from: the Proceedings of the Royal Society, A, volume 221, pp. 394-405, 1954].
by MENON, Mambillikalathil Govind Kumar: (1928-2016); FRIEDLANDER, M. W.; HARRIS, G. G.
[London]:: Proceedings of the Royal Society, 1954., 1954. Offprint. Original wrappers. Ownership signature of Abdraham Pais. Very good. [Abstract: This paper describes the preliminary results of a search for evidence of the nuclear interactions of negative heavy mesons. A qualitative analysis is given of the possible characteristics of their interactions and the appearance these might be expected to have in photographic emulsions. 37 ml. of emulsion, in which are recorded 10000 stars and 1200 slow ?-mesons, have been completely examined. In the conditions of exposure, such a volume should contain six examples, with good geometry, of the decay of heavy mesons. Mass measurements have been carried out, by the range/scattering method, on 417 tracks of ?-mesons. In addition, 1800 ?-mesons, observed in 42 ml. of emulsion, have been examined. No disintegrations which can be attributed to heavy mesons have been found. The results suggest that some of the negative heavy mesons, on being brought to rest in photographic emulsions, behave in a manner qualitatively different from that of negative ?-particles. Possible explanations for this result are suggested.] / Menon was an Indian physicist, known for his work with cosmic rays. During his career he was President of the Indian Statistical Institute and the National Academy of Sciences, India, and director of the Tata Institute of Fundamental Research, Mumbai. He was a Fellow of the Royal Society and a Fellow of the Indian Space Research Organization, and received the Shanti Swarup Bhatnagar prize for Science and Technology and the Abdus Salam Medal. (Inventory #: S13305)
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