Cosmic ray modulation interplanetary (2 Ergebnisse)
Solar - Planetary Relationships : Cosmic Rays. INCLUDES: On Solar Cosmic Rays (pp. 545-551) AND Cosmic Ray Intensity over Long Time Scales (pp. 552-560) AND Modulation of Relativistic Galactic Cosmic Rays (pp. 560-569) AND Compositions of Energetic Particle Populations in Interplanetary Space (pp. 569-582) AND Interplanetary Particle Acceleration, Modulation and Drift (pp. 582-586) (FROM: Reviews of Geophysics and Space Physics, Vol. 17, No. 4, June 1979).
VAn Hollebeke, M. A. I.; M. A. Forman and O. A. Schaeffer; A. J. Owens; George Gloeckler; J. R. Jokipil.
Sprache: Englisch
Verlag: The American Geophysical Union., 1979
- Magazin//Zeitschrift
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In den WarenkorbNo Binding. Zustand: Good. ORIGINAL articles, disbound from journal; no covers; small chips along gutter where disbound; o/w in good condition.
- Softcover
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Taschenbuch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - Document from the year 2023 in the subject Physics - Other, , language: English, abstract: A lot of efforts have been made to find out the possible origin of the ¿high amplitude anisotropic wave trains¿ of enhanced diurnal variation of cosmic rays an…d to develop a suitable realistic theoretical model, which can explain the different harmonics in individual days. The main objective of this work is to study the first three harmonics of high amplitude wave trains of cosmic ray intensity over the period 1981-1994 for Deep River neutron monitoring station and their association with different solar and interplanetary transients. The amplitude of all the three harmonics (diurnal/semi-diurnal/tri-diurnal) of HAE events significantly remains quite high and statistically constant as compared to the annual average amplitude for majority of the events, whereas the time of maximum significantly shifts towards earlier hours for first harmonic and towards later hours for second and third harmonic as compared to the co-rotational direction for majority of the events. The occurrence of HAE events is dominant, when the value of interplanetary magnetic field (B) remains in the range (4 -10 nT); the product Ap x Dst remains negative only the ion density remains ¿ 20. It is noteworthy that the occurrence of high amplitude day is dominant during solar activity minimum years (1986-87) and solar activity maximum years (1991-92). The amplitude as well as time of maximum of the cosmic ray diurnal anisotropy is positively correlated to the sunspot numbers during HAEs.
