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Current understanding of SEP acceleration and transport

Cohen, C. M. S. (2016) Current understanding of SEP acceleration and transport. In: Solar Wind 14: Proceedings of the Fourteenth International Solar Wind Conference. AIP Conference Proceedings. No.1720. American Institute of Physics , Melville, NY, Art. No. 060001. ISBN 978-0-7354-1367-4. http://resolver.caltech.edu/CaltechAUTHORS:20160329-083948874

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Abstract

Through new missions and unusual solar conditions, solar cycle 24 has afforded the opportunity for expanding our understanding of solar energetic particle (SEP) acceleration and transport. With complementary SEP observations from multiple spacecraft separated significantly in longitude, it has been possible to examine the longitudinal distribution of energetic particles in individual events, rather than relying on statistical event studies. Unprecedented 360° views of the Sun, in multiple wavelengths and coronagraphs, has made it possible to identify solar source regions regardless of where they are located and to more accurately determine the properties of related coronal mass ejections. The unusually quiet conditions during the onset of cycle 24 allowed smaller SEP events to be examined and their source regions to be unambiguously identified. This paper reviews some of the unexpected results from multi-spacecraft SEP observations made over this solar cycle and discusses their implications for particle acceleration near the Sun and transport through the inner heliosphere.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1063/1.4943836DOIArticle
http://scitation.aip.org/content/aip/proceeding/aipcp/10.1063/1.4943836PublisherArticle
ORCID:
AuthorORCID
Cohen, C. M. S.0000-0002-0978-8127
Additional Information:© 2016 AIP Publishing LLC. The author thanks the SDO/AIA and STEREO/SECCHI team for making their movie and image data available. Additional thanks to J. Giacalone for his discussions on co-rotation, field line meandering, and particle diffusion and for the creation of the left panel of Fig 2.
Group:Space Radiation Laboratory
Record Number:CaltechAUTHORS:20160329-083948874
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20160329-083948874
Official Citation:Current understanding of SEP acceleration and transport Cohen, C. M. S., AIP Conference Proceedings, 1720, 060001 (2016), DOI:http://dx.doi.org/10.1063/1.4943836
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:65726
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:30 Mar 2016 20:17
Last Modified:08 Sep 2017 22:21

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