Cosmic-ray modulation and the heliospheric magnetic field

Advances in Space Research

Volumn 35, Issue 4, 2005, Pages 636-642

  Burger, R A ^a  

^a NORTH WEST UNIVERSITY   (South Africa)

Author keywords

Cosmic rays; Fisk type fields; Heliospheric magnetic field

Indexed keywords

COSMIC RAYS; DIFFUSION; HYDRODYNAMICS; MATHEMATICAL MODELS; MODULATION; NUMERICAL METHODS;

FISK-TYPE FIELDS; FISK-TYPE MODELS; HELIOSPHERIC MAGNETIC FIELDS; SOLAR WINDS;

MAGNETIC FIELDS;

EID: 20444504349     PISSN: 02731177     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.asr.2005.01.080     Document Type: Conference Paper

References (39)

1. Burger, R.A., de Jager, O.C. Fisk-type heliospheric magnetic fields and short-term variations in cosmic-ray intensities. In: Eos Trans. AGU, 84(46), Fall Meet. Suppl., Abstract SH11C-28, 2003
2. Burger, R.A., Hitge, M. The effect of a Fisk-type heliospheric magnetic field on cosmic ray modulation. In: Eos Trans. AGU, 83(47), Fall Meet. Suppl., Abstract SH71A-04, 2002
3. R.A. Burger, and M. Hitge The effect of a fisk-type heliospheric magnetic field on cosmic-ray modulation Astrophys. J. Lett. 617 2004 L73 L76
4. Burger, R.A., Sello, P.C. The effect of a latitudinal dependent solar wind speed on cosmic ray modulation. Adv. Space Res., 2005, in press
5. R.A. Burger, Y. van Niekerk, and M.S. Potgieter An estimate of drift effects in various models of the heliospheric magnetic field Space Sci. Rev. 97 1-4 2001 331 335
6. R.A. Caballero-Lopez, H. Moraal, and F.B. McDonald Galactic cosmic ray modulation: effects of the solar wind termination shock and the heliosheath J. Geophys. Res. 109 A05105 2004
7. S.E.S. Ferreira, and M.S. Potgieter Long-term cosmic-ray modulation in the heliosphere Astrophys. J. 603 2004 744 752
8. L.A. Fisk Motion of the footpoints of heliospheric magnetic field lines at the Sun: implications for recurrent energetic particle events at high heliographic latitudes J. Geophys. Res. 101 1996 15547 15553
9. L.A. Fisk On the global structure of the heliospheric magnetic field J. Geophys. Res. 106 A8 2001 15849 15857
10. L.A. Fisk, and N.A. Schwadron The behavior of the open magnetic field of the Sun Astrophys. J. 560 2001 425 438
11. L.A. Fisk, T.H. Zurbuchen, and N.A. Schwadron On the coronal magnetic field: consequences of large-scale motions Astrophys. J. 521 1999 868 877
12. R.J. Forsyth, A. Balogh, and E.J. Smith The underlying direction of the heliospheric magnetic field through the Ulysses first orbit J. Geophys. Res. 107 A11 2002
13. J. Giacalone Particle transport and acceleration at corotating interaction regions Adv. Space Res. 23 3 1999 581 590
14. J. Giacalone The latitudinal transport of energetic particles associated with corotating interaction regions Astrophys. J. 106 A8 2001 15881 15887
15. J.R. Jokipii The rate of separation of magnetic lines of force in a random magnetic field Astrophys. J. 183 1973 1029 1036
16. J.R. Jokipii Latitudinal heliospheric magnetic field: stochastic and causal components Astrophys. J. 106 A8 2001 15841 15847
17. J.R. Jokipii, and J. Kóta The polar heliospheric magnetic field Geophys. Res. Lett. 16 1989 1 4
18. Jokipii, J.R., Kóta, J. The maximum energy of anomalous cosmic rays. In: Proceedings of the 24th International Conference on Cosmic Ray, vol. 4. Rome, Italy, pp. 718-721, 1995
19. Kóta, J., Jokipii, J.R. 3-D simulation of heliospheric transport: a comparison of models. In: Proceedings of the 24th International Conference on Cosmic Ray, vol. 2. Durban, South Africa, pp. 25-28, 1997
20. Kóta, J., Jokipii, J.R. Cosmic-ray modulation and the structure of the heliospheric magnetic field. In: Proceedings of the 26th International Conference on Cosmic Ray, vol. 7. Salt Lake City, USA, pp. 9-12, 1999
21. Kóta, J., Jokipii, J.R. Modulation of cosmic rays in heliomagnetic fields with organized meridional components. In: Eos Trans. AGU, 82(47), Fall Meet. Suppl., Abstract SH22A-51, 2001
22. Kóta, J., Jokipii, J.R. Cosmic rays and the global heliospheric magnetic field: meridional motion of footpoints. In: Proceedings of the 28th International Conference on Cosmic Ray, Tsukuba, Japan, pp. 3791-3794, 2003
23. J. Minnie, R.A. Burger, S. Parhi, J.W. Bieber, and W.H. Matthaeus The effect of solar cycle dependent heliospheric turbulence on cosmic ray modulation Adv. Space Res. 32 4 2003 567 572
24. Moraal, H. Proton modulation near solar minimum periods in consecutive solar cycles. In: Proceedings of the 16th International Conference on Cosmic Ray, vol. 6. Adelaide, Australia, pp. 140-143, 1990
25. N. Murphy, E.J. Smith, and N.A. Schwadron Strongly underwound magnetic fields in co-rotating rarefaction regions: observations and implications Geophys. Res. Lett. 29 22 2002 23-1 23-4
26. N.F. Ness, and L.F. Burlaga Spacecraft studies of the interplanetary magnetic field Astrophys. J. 106 A8 2001 15803 15817
27. C. Paizis, B. Heber, P. Ferrando, A. Raviart, B. Falconi, S. Marzolla, M.S. Potgieter, V. Bothmer, H. Kunow, R. Müller-Mellin, and A. Posner Amplitude evolution and rigidity dependence of the 26-day recurrent cosmic ray decreases: COSPIN/KET results J. Geophys. Res. 104 A12 1999 28241 28247
28. S. Parhi, J.W. Bieber, W.H. Matthaeus, and R.A. Burger Toward an ab initio theory of the solar modulation of cosmic rays Astrophys. J. 585 1 2003 502 515
29. E.N. Parker Dynamics of the interplanetary gas and magnetic fields Astrophys. J. 128 1958 664 676
30. E.N. Parker A history of early work on the heliospheric magnetic field Astrophys. J. 106 A8 2001 15797 15801
31. N.A. Schwadron An explanation for strongly underwound magnetic field in co-rotating rarefaction regions and its relationship to footpoint motion on the the Sun Geophys. Res. Lett. 29 2002 8-1 8-4
32. N.A. Schwadron, and D.J. McComas Heliospheric "FALTS": favored acceleration locations at the termination shock Geophys. Res. Lett. 30 2003 41-1 41-4
33. J.A. Simpson, J.D. Anglin, V. Bothmer, J.J. Connell, P. Ferrando, B. Heber, H. Kunow, C. Lopate, R.G. Marsden, R.B. McKibben, R. Müller-Mellin, C. Paizis, C. Rastoin, A. Raviart, T.R. Sanderson, H. Sierks, K.J. Trattner, K.-P. Wenzel, G. Wibberenz, and M. Zhang Cosmic-ray and solar particle investigations over the south polar-regions of the Sun Science 268 5213 1995 1019 1023
34. J.A. Simpson, M. Zhang, and S. Bame A solar polar north-south asymmetry for cosmic ray propagation in the heliosphere: the Ulysses pole-to-pole rapid transit Astrophys. J. Lett. 465 1996 L1 L4
35. C.W. Smith, and J.W. Bieber Solar cycle variation of the interplanetary magnetic field spiral Astrophys. J. 370 1 1991 435 441
36. B.T. Thomas, B.E. Goldstein, and E.J. Smith The effect of the heliospheric current sheet on cosmic ray intensities at solar maximum - Two alternative hypotheses J. Geophys. Res. 91 1986 2889 2895
37. Van Niekerk, Y. An Investigation into the Causes and Consequences of North-South Asymmetries in the Heliosphere. Master's thesis, Potchefstroomse Universiteit vir Christelike Hoër Onderwys, R.S.A., 2000
38. M. Zhang A linear relationship between the latitude gradient and 26 day recurrent variation in the fluxes of galactic cosmic rays and anomalous nuclear components I. Observations Astrophys. J. 488 1997 841 853
39. T.H. Zurbuchen, N.A. Schwadron, and L.A. Fisk Direct observational evidence for a heliospheric magnetic field with large excursions in latitude J. Geophys. Res. 102 A11 1997 24175 24181