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Cosmic ray energy changes at the termination shock and in the heliosheath

Moraal, H. and Caballero-Lopez, R. A. and McCracken, K. G. and McDonald, F. B. and Mewaldt, R. A. and Ptsukin, V. and Wiedenbeck, M. E. (2006) Cosmic ray energy changes at the termination shock and in the heliosheath. In: PHYSICS OF THE INNER HELIOSHEATH: Voyager Observations, Theory, and Future Prospects; 5th Annual IGPP International Astrophysics Conference. AIP Conference Proceedings. No.858. American Institute of Physics , Melville, NY, pp. 219-225. ISBN 978-0-7354-0355-0.

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Voyager 1 crossed the termination shock of the solar wind in December 2004 at 94 AU and currently measures the cosmic ray intensity in the heliosheath. To better understand this modulation region beyond the shock, where adiabatic energy changes should be small, we review the net effect of energy changes during the modulation process, including adiabatic deceleration in the solar wind, acceleration at the termination shock, and the possibility that stochastic acceleration in the heliosheath may also make a contribution.

Item Type:Book Section
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Mewaldt, R. A.0000-0003-2178-9111
Additional Information:© 2006 American Institute of Physics. This work was supported by UNAM-DGAPA grant IN106105 in Mexico, NSF grant ATM 0107181 in Maryland, NASA grant NAG5-12929 at Caltech and JPL, and the South African National Research Foundation.
Group:Space Radiation Laboratory
Funding AgencyGrant Number
Universidad Nacional Autónoma de México (UNAM)IN106105
South African National Research FoundationUNSPECIFIED
Subject Keywords:Cosmic ray spectra, cosmic ray composition, termination shock, heliosheath
Series Name:AIP Conference Proceedings
Issue or Number:858
Record Number:CaltechAUTHORS:MORaipcp06
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:6297
Deposited By: Archive Administrator
Deposited On:01 Dec 2006
Last Modified:22 Nov 2019 09:58

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