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|Type:||Artigo de periódico|
|Title:||Short-period Variation Of Cosmic-ray Intensity Observed In The Stratosphere|
|Author:||Van Bui N.A.|
Turtelli jr. A.
|Abstract:||To investigate the variation of the cosmic-ray intensity in the Earth atmosphere, stratospheric balloon soundings are performed weekly at Campinas (Brazil). During the flight of May 20th, 1988 short-period variations were detected. Through Fourier analysis it was identified a period of ∼2.5 min, with a confidence level of 99.6% between 23 g/cm2 and 173 g/cm2. Apparently these oscillations are not correlated either with the earth magnetic field or solar activity, suggesting their atmospheric origin, nevertheless it is difficult to explain the production mechanisms of these disturbances. © 1989 Società Italiana di Fisica.|
|Editor:||Kluwer Academic Publishers|
|Citation:||Il Nuovo Cimento C. Kluwer Academic Publishers, v. 12, n. 6, p. 811 - 818, 1989.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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