Dergiler / Turkish Journal of Physics / 2005 / Cilt: 29 - Sayı: 1
Cosmic Ray Diurnal Anisotropy Related to Solar Activity
- Sayfa
- 55–61
- DOI
- —
Özet
The occurrence of a large number high amplitude event (HAE) of cosmic ray diurnal anisotropy during 1981--1994 has been examined as a function of solar activity. The high amplitude days with the time of maximum in the corotational/azimuthal direction do not indicate any significant correlation with solar activity. Our observations suggest that the direction of the anisotropy of HAE events contribute significantly to the long-term behaviour of the diurnal anisotropy. The occurrence of HAE is dominant during sunspot maximum as well as sunspot minimum.
Abstract
The occurrence of a large number high amplitude event (HAE) of cosmic ray diurnal anisotropy during 1981--1994 has been examined as a function of solar activity. The high amplitude days with the time of maximum in the corotational/azimuthal direction do not indicate any significant correlation with solar activity. Our observations suggest that the direction of the anisotropy of HAE events contribute significantly to the long-term behaviour of the diurnal anisotropy. The occurrence of HAE is dominant during sunspot maximum as well as sunspot minimum.