Solar wind termination shock and heliosheath effects on the modulation of protons and antiprotons

Journal of Geophysical Research: Space Physics

Volumn 109, Issue A1, 2004, Pages

  Langner, U W ^a   Potgieter, M S ^a  

^a NORTH WEST UNIVERSITY   (South Africa)

Author keywords

Antiprotons; Cosmic rays; Heliosphere; Protons; Termination shock

Indexed keywords

EID: 41749093008     PISSN: None     EISSN: 21699402     Source Type: Journal    
DOI: 10.1029/2003JA010158     Document Type: Article

References (24)

1. Burger, R. A., and M. S. Potgieter (1999), The effect of large current sheet tilt angles in numerical modulation models: A theoretical assessment, Conf Pap. Int. Cosmic Ray Conf. 26th, 7, 13-16.
2. Burger, R. A., M. S. Potgieter, and B. Heber (2000), Rigidity dependence of cosmic-ray proton latitudinal gradients measured by the Ulysses spacecraft: Implications for the diffusion tensor, J. Geophys. Res., 105, 27,447-27,455.
3. Ferreira, S. E. S., M. S. Potgieter, R. A. Burger, and B. Heber (2000), Modulation effects of anisotropic perpendicular diffusion on cosmic ray electron intensities in the heliosphere, J. Geophys. Res., 105, 18,305-18,314.
4. Giacalone, J., and J. R. Jokipii (1999), The transport of cosmic rays across a turbulent magnetic field, Astrophys. J., 520, 204-214.
5. Giacalone, J., and J. R. Jokipii (2001), The transport of energetic particles and cosmic rays in the heliosphere, Adv. Space Res., 27, 461-469.
6. Jokipii, J. R., and J. Kóta (1989), The polar heliospheric magnetic field, Geophys. Res. Lett., 16, 1-4.
7. Jokipii, J. R., J. Kóta, and E. Merényi (1993), The gradient of galactic cosmic rays at the solar wind termination shock, Astrophys. J., 405, 782-786.
8. Langner, U. W., and M. S. Potgieter (2001), Differences in proton and antiproton modulation in the heliosphere, Conf. Pap. Int. Cosmic Ray Conf. 27th, 4, 3657.
9. Langner, U. W., and M. S. Potgieter (2003), Effects of the solar wind termination shock on charge-sign dependent cosmic ray modulation, Adv. Space, in press.
10. Langner, U. W., M. S. Potgieter, and W. R. Webber (2003), Modulation of cosmic ray protons in the heliosheath, J. Geophys. Res., 108(A10), 8039, doi: 10.1029/2003JA009934.
11. le Roux, J. A., M. S. Potgieter, and V. S. Ptuskin (1996), A transport model for the diffusive acceleration and modulation of anomalous cosmic rays in the heliosphere, J. Geophys. Res., 101, 4791-4804.
12. McDonald, F. B., B. Heikkila, N. Lal, and E. C. Stone (2000), The relative recovery of galactic and anomalous cosmic rays in the distant heliosphere: Evidence for modulation in the heliosheath, J. Geophys. Res., 105, 1-8.
13. Moskalenko, I. V., A. W. Strong, J. F. Ormes, and M. S. Potgieter (2002), Secondary antiprotons and propagation of cosmic rays in the galaxy and heliosphere, Astrophys. J., 565, 280-296.
14. Moskalenko, I. V., A. W. Strong, S. G. Mashnik, and J. F. Ormes (2003), Challenging cosmic-ray propagation with antiprotons: Evidence for a "fresh" nuclei component?, Astrophys. J., 586, 1050-1066.
15. Parker, E. N. (1965), The passage of energetic charged particles through interplanetary space, Planet. Space Sci., 13, 9-49.
16. Potgieter, M. S., and S. E. S. Ferreira (2002), Effects of the solar wind termination shock on the modulation of Jovian and galactic electrons in the heliosphere, J. Geophys. Res., 107(A7), 1089, doi:10.1029/2001JA009040.
17. Potgieter, M. S., and U. W. Langner (2003a), Modulation and acceleration of anomalous protons in the outer heliosphere, Adv. Space Res, in press.
18. Potgieter, M. S., and U. W. Langner (2003b), Modulation of anomalous protons with increasing solar activity, Adv. Space Res., 32(4), 687-692.
19. Potgieter, M. S., and U. W. Langner (2003c), Heliospheric modulation of cosmic ray electrons and positrons: Effects of the heliosheath and the solar wind termination shock, Astrophys. J., in press.
20. Steenberg, C. D. (1998), Modelling of anomalous and galactic cosmic ray modulation in the outer heliosphere, Ph.D. thesis, Potchefstroom Univ., Potchefstroom, South Africa.
21. Steenberg, C. D., and H. Moraal (1996), An acceleration/modulation model for anomalous cosmic ray hydrogen in the heliosphere, Astrophys. J., 463, 776-783.
22. 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.
23. Stone, E. C., and A. C. Cummings (2001), Estimate of the location of the solar wind termination shock, Conf. Pap. Int. Cosmic Ray Conf. 27th, 10, 4263.
24. Webber, W. R., J. A. Lockwood, F. B. McDonald, and B. Heikkila (2001), Using transient decreases of cosmic rays observed at Voyagers 1 and 2 to estimate the location of the heliospheric termination shock, J. Geophys. Res., 106, 253-260.