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AbstractAbstract
[en] The successive aproximations method is applied to obtain an exact and compact analytical solution of the differential equation wich describes the diffusion of nucleonic component in the atmosphere, when the inelastic cross section of the air interaction nucleon-nucleus increases with the energy. The result is compared with the experimental data wich have been obtained in Chacaltaya (x=540g/cm2) by the Brazil - Japan cooperation using emulsion chambers. The value of the constant a measurement of the variation of the cross section with the energy, that makes the best adjustment of the result found out with the experimental data is between 0.05 and 0.06. (M.C.K.)
[pt]
Emprega-se o metodo das aproximacoes sucessivas na obtencao de uma solucao analitica exata e compacta da equacao diferencial que descreve a difusao da componente nucleonica na atmosfera, quando a secao de choque inelastica da interacao nucleon-nucleo do ar cresce com a energia. O resultado e comparado com dados experimentais obtidos em Chacaltaya (x = 540 g/cm2) pela colaboracao Brasil-Japao que usa camaras de emulsao. O valor da constante a, que mede a variacao da secao de choque com a energia, que melhor ajusta o resultado encontrado com os dados experimentais esta entre 0.05 e 0.06. (Autor)Original Title
Solucao exata da equacao de difusao dos nucleons com secao de choque inelastica crescente
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1985; 18 p
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