Production of cosmogenic Be nuclei in the Earth's atmosphere by cosmic rays: Its dependence on solar modulation and the interstellar cosmic ray spectrum

Journal of Geophysical Research: Space Physics

Volumn 108, Issue A9, 2003, Pages

  Webber, W R ^a   Higbie, P R ^a  

^a New Mexico State University   (United States)

Author keywords

Cosmic rays; Cosmogenic nuclei; Heliosphere; Nuclear cross sections; Protons; Solar cycle

Indexed keywords

EID: 0345931724     PISSN: None     EISSN: 21699402     Source Type: Journal    
DOI: 10.1029/2003JA009863     Document Type: Article

References (29)

1. 10Be records, Earth Planet Sci. Lett., 150, 453-462, 1997.
2. 10Be in polar ice to trace the 11-year cycle of solar activity, Nature, 347, 164-166, 1990.
3. 10Be and solar activity, in The Sun in Time, pp. 343-359, Univ. of Ariz. Press, Tucson, Ariz., 1991.
4. Beer, J., et al., Solar variability traced by cosmogenic isotopes, in The Sun as a Variable Star: Solar and Stellar Irradiance Variations, pp. 291-300, Cambridge Univ. Press, New York, 1994.
5. Bieber, J., P. Evenson, J. E. Humble, and M. I. Duldrig, Cosmic ray spectra deduced from neutron monitor surveys, Proc. Int. Conf. Cosmic Rays 25th, 45-49, 1997.
6. Clem, J. M., and L. I. Dorman, Neutron monitor response functions, Space Sci. Rev., 93, 335, 2000.
7. Fasso, A., et al., Electron-photon transport in FLUKA: Status, in Advanced Monte Carlo for Radiation Physics, Particle Transport Simulation, and Applications: Proceedings of the Monte Carlo 2000 Conference, Lisbon, 23-26 October 2000, edited by J. C. Barao et al., pp. 955-960, Springer-Verlag, New York, 2001a.
8. Fasso, A., et al., FLUKA: Status and prospective for hadronic applications, in Advanced Monte Carlo for Radiation Physics, Particle Transport Simulation, and Applications: Proceedings of the Monte Carlo 2000 Conference, Lisbon, 23-26 October 2000, edited by J. C. Barao et al., pp. 159-164, Springer-Verlag, New York, 2001b.
9. Gleeson, L. J., and W. I. Axford, Solar modulation of galactic cosmic rays, Astrophys. J., 154, 1011-1018, 1968.
10. Lockwood, J. A., W. R. Webber, and H. J. Debrunner, Differences in the maximum intensities and the intensity-time profiles of cosmic rays in alternate solar magnetic field polarities, J. Geophys. Res., 106, 10,635-10,644, 2001.
11. Masarik, J., and J. Beer, Simulation of particle fluxes and cosmogenic nuclide production in the Earth's atmosphere, J. Geophys. Res., 104, 12,099-12,111, 1999.
12. Masarik, J., and R. C. Reedy, Terrestrial cosmogenic-nuclide production systematics calculated from numerical simulations, Earth Planet. Sci. Lett., 136, 381-395, 1995.
13. 10Be due to the 11 year modulation of the cosmic radiation, and variations in the vector geomagnetic dipole, Proc. Int. Conf. Cosmic Rays 27th, 44-47, 2001.
14. McCracken, K. G., and F. B. McDonald, The long-term modulation of the galactic cosmic radiation, 1500-2000, Proc. Int. Conf. Cosmic Rays 27th, 40-43, 2001.
15. McDonald, F. B., N. Lal, and R. E. McGuire, Cosmic ray recovery and the solar minimum phase of solar cycle 22: An interim report, J. Geophys. Res., 103, 373, 1998.
16. 10Be in the atmosphere, Nucl. Instrum. Methods Phys. Res., Sect. B, 172, 196-801, 2000.
17. Neher, H. V., Cosmic-ray particles that changed from 1954 to 1958 to 1965, J. Geophys. Res., 72, 1527-1539, 1967.
18. Neher, H. V., V. Z. Peterson, and E. A. Stem, Fluctuations and latitude effect of cosmic rays at high altitudes and latitudes, Phys. Rev., 90, 655-674, 1953.
19. O'Brien, K., A. Lerner, M. A. Shea, and D. F. Smart, The production of cosmogenic isotopes in the Earth's atmosphere and their inventories, in The Sun in Time, pp. 317-342, Univ. of Ariz. Press, Tucson, Ariz., 1991.
20. Reedy, D. C., Predicting the production rates of cosmogenic nuclides, Nucl. Instrum. Methods Phys. Res., Sect. B, 172, 782-785, 2000.
21. Sanuki, T., et al., Precise measurement of the cosmic ray proton and helium spectra with the BESS spectrometer, Astrophys. J., 545, 1135, 2000.
22. Schiekel, T., et al., Nuclide production by proton-induced reactions on elements Z (6 ≤ Z ≤ 29) in the energy range from 200 MeV to 400 MeV, Nucl. Instrum. Methods Phys. Res., Sect. B, 114, 91-119, 1997.
23. 26Al from elements found in lunar rocks, Nucl. Instrum. Methods Phys. Res., Sect. B, 123, 324-329, 1997.
24. 10Be in Antarctica: Implications for atmospheric mixing processes and interpretation of the ice core record, Geophys. Res. Lett., 23, 523-526, 1996.
25. Stoker, P. H., Neutron monitor latitude surveys, response functions and 22-year modulation, Proc. Int. Conf. Cosmic Rays 24th, 1082-1085, 1994.
26. Webber, W. R., New experimental data and what it tells us about the sources and acceleration of cosmic rays, Space Sci. Rev, 81, 107-142, 1997.
27. Webber, W. R., and J. A. Lockwood, Characteristics of the 22-year modulation of cosmic rays as seen by neutron monitors, J. Geophys. Res., 93, 8735, 1988.
28. Webber, W. R., and J. A. Lockwood, Voyager and Pioneer spacecraft measurements of cosmic ray intensities in the outer heliosphere: Toward a new paradigm for understanding the global solar modulation process: 1. Minimum solar modulation (1987 and 1997), J. Geophys. Res., 106, 29,323-29,331, 2001.
29. Webber, W. R., et al., Updated formula for calculating partial cross sections for nuclear reactions of nuclei with Z ≤ 28 and E > 150 MeV nucleon-1 in hydrogen targets, Astrophys. J. Suppl., 144, 153-167, 2003.