Limitations of the force field equation to describe cosmic ray modulation

Journal of Geophysical Research: Space Physics

Volumn 109, Issue A1, 2004, Pages

  Caballero Lopez, R A ^a,c   Moraal, H ^b  

^a Bldg 142   (United States)

^b NORTH WEST UNIVERSITY   (South Africa)

^c UNIVERSIDAD NACIONAL AUTÓNOMA DE MÉXICO   (Mexico)

Author keywords

Limitations of the force field equation

Indexed keywords

EID: 41749085984     PISSN: None     EISSN: 21699402     Source Type: Journal    
DOI: 10.1029/2003JA010098     Document Type: Article

References (20)

1. Cummings, A. C., E. C. Stone, and C. D. Steenberg (2002), Composition of anomalous cosmic rays and other heliospheric ions, Astrophys. J., 578, 194.
2. Fisk, L. A. (1971), Solar modulation of galactic cosmic rays, 2, J. Geophys. Res., 76, 221.
3. Garrard, T. L. (1972), A quantitative investigation of the solar modulation of cosmic-ray protons and helium nuclei, Ph.D. thesis, Calif. Inst. of Technol., Pasadena, Calif.
4. Gleeson, L. J., and W. I. Axford (1968a), The solar radial gradient of galactic cosmic rays, Can. J. Phys., 46, S937.
5. Gleeson, L. J., and W. I. Axford (1968b), Modulation of galactic cosmic rays, Astrophys. J., 154, 1011.
6. Gleeson, L. J., and I. A. Urch (1971), Energy losses and modulation of galactic cosmic rays, Astrophys. Space Sci., 11, 288-308.
7. Gleeson, L. J., and I. A. Urch (1973), A study of the force-field equation for the propagation of galactic cosmic rays, Astrophys. Space Sci., 25, 387-404.
8. Gleeson, L. J., and G. M. Webb (1978), Energy changes of cosmic rays in the interplanetary region, Astrophys. Space Sci., 58, 21.
9. Isenberg, P. A., and J. R. Jokipii (1979), Gradient and curvature drifts in magnetic fields with arbitrary spatial variation, Astrophys. J., 234, 746-752.
10. Jokipii, J. R. (1996), Theory of multiply charged anomalous cosmic rays, Astrophys. J., 466, L47-L50.
11. Jokipii, J. R., and D. A. Kopriva (1979), Effects of particle drift on the transport of cosmic rays III. Numerical models of galactic cosmic ray modulation, Astrophys. J, 234, 384.
12. Kota, J., and J. R. Jokipii (1991), The role of corotating interaction regions in cosmic ray modulation, Geophys. Res. Lett., 18, 1797.
13. Le Roux, J. A., and M. S. Potgieter (1991), The simulation of Forbush decreases with time-dependent cosmic ray modulation models of varying complexity, Astron. Astrophys., 234, 531.
14. Mewaldt, R. A., R. S. Selesnick, J. R. Cummings, E. C. Stone, and T. T. von Rosenvinge (1996), Evidence for multiply charged anomalous cosmic rays, Astrophys. J., 466, L43-L46.
15. Moraal, H. (2001), The discovery and early development of anomalous cosmic rays, in Cospar Colloquia Series, vol. 11, edited by K. Scherer et al., pp 147-161, Pergamon, New York.
16. Moraal, H., L. J. Gleeson, and G. M. Webb (1979), Effects of charged particle drift on the modulation of the intensity of galactic cosmic rays, Conf. Pap. Int. Cosmic Ray Conf. 16th, 3, 1.
17. Parker, E. N. (1965), The passage of energetic particles through interplanetary space, Planet. Space Sci., 13, 9.
18. Steenberg, C. D., and H. Moraal (1999), The form of the anomalous cosmic ray spectrum at the solar wind termination shock, J. Geophys. Res., 104, 24,879.
19. Steenkamp, R. (1995), Shock acceleration as source of the anomalous component of cosmic rays in the heliosphere, Ph.D. thesis, Potchefstroom Univ., Potchefstroom, South Africa.
20. Webber, W. R., and J. A. Lockwood (2001), Voyager and Pioneer spacecraft measurements of cosmic ray intensities in the outer heliosphere: Toward a new paradigm for understanding the global modulation process: 1. Minimum solar modulation (1987 and 1997), J. Geophys. Res., 106, 29,323.