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Cosmic-Ray Negatron and Positron Spectra Between 12 and 220 MeV

Beuermann, K. P. and Rice, C. J. and Stone, E. C. and Vogt, R. E. (1969) Cosmic-Ray Negatron and Positron Spectra Between 12 and 220 MeV. Physical Review Letters, 22 (9). pp. 412-415. ISSN 0031-9007. https://resolver.caltech.edu/CaltechAUTHORS:20140407-083050683

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Abstract

The interplanetary negatron and positron spectra from 12 to 220 MeV have been determined with a balloon-borne magnetic spectrometer. The observed charge ratio e^+(e^+ + e^−)≈0.3 indicates that the flux most likely consists of a mixture of "primary" negatrons and interstellar "secondary" negatrons and positrons. We deduce an absolute solar modulation of the interstellar positron flux which decreases with decreasing magnetic rigidity below about 80 MV.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1103/PhysRevLett.22.412DOIArticle
http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.22.412PublisherArticle
ORCID:
AuthorORCID
Stone, E. C.0000-0002-2010-5462
Additional Information:© 1969 American Physical Society. Received 23 December 1968. Work supported by the National Aeronautics and Space Administration under Grant No. NGL-05-002-007. Space Radiation Laboratory. SRL ID #: 1969-04.
Group:Space Radiation Laboratory
Funders:
Funding AgencyGrant Number
NASANGL-05-002-007
Other Numbering System:
Other Numbering System NameOther Numbering System ID
Space Radiation Laboratory1969-04
Issue or Number:9
Record Number:CaltechAUTHORS:20140407-083050683
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20140407-083050683
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:44674
Collection:CaltechAUTHORS
Deposited By: SWORD User
Deposited On:07 Apr 2014 16:29
Last Modified:20 Feb 2020 14:33

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