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Extended Energy Spectrum Measurement of Elements With the Cosmic Ray Isotope Spectrometer (CRIS)

Labrador, A. W. and Yanasak, N. E. and Binns, W. R. and Cummings, A. C. and de Nolfo, G. A. and George, J. S. and Israel, M. H. and Leske, R. A. and Lijowski, M. and Mewaldt, R. A. and Stone, E. C. and von Rosenvinge, T. T. and Wiedenbeck, M. E. (2003) Extended Energy Spectrum Measurement of Elements With the Cosmic Ray Isotope Spectrometer (CRIS). In: Proceedings of the 28th International Cosmic Ray Conference. Vol.4. International Union of Applied Physics , Tokyo, Japan, pp. 1773-1776.

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We describe a multiple dE/dx technique used to identify particles that penetrate through the bottom of the CRIS instrument, significantly extending the measured energy ranges for major elements beyond that for stopping particles. In preliminary analysis, the upper energy limit for oxygen has been extended from ∼240 MeV/nuc for stopping particles to ∼410 MeV/nuc for penetrating particles, and the upper energy limit for iron has been extended from ∼470 MeV/nuc to ∼670 MeV/nuc. We report new element intensities in these extended energy ranges, and compare them with previously reported intensities and with spectra derived using cosmic ray transport and solar modulation models.

Item Type:Book Section
Related URLs:
URLURL TypeDescription
Labrador, A. W.0000-0001-9178-5349
Binns, W. R.0000-0001-6110-3407
Cummings, A. C.0000-0002-3840-7696
de Nolfo, G. A.0000-0002-3677-074X
Israel, M. H.0000-0002-8104-208X
Leske, R. A.0000-0002-0156-2414
Mewaldt, R. A.0000-0003-2178-9111
Stone, E. C.0000-0002-2010-5462
Wiedenbeck, M. E.0000-0002-2825-3128
Additional Information:Copyright Universal Academy Press Inc. This work was supported by NASA at NASA/GSFC, California Inst. of Tech., Jet Propulsion Laboratory, and Washington University.
Group:Space Radiation Laboratory
Funding AgencyGrant Number
NASA/Goddard Space Flight Center (GSFC)UNSPECIFIED
California Institute of TechnologyUNSPECIFIED
Jet Propulsion LaboratoryUNSPECIFIED
Washington UniversityUNSPECIFIED
Other Numbering System:
Other Numbering System NameOther Numbering System ID
Space Radiation Laboratory2003-21
Record Number:CaltechAUTHORS:20150406-143812415
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:56395
Deposited By: Deborah Miles
Deposited On:15 Apr 2015 03:18
Last Modified:09 Mar 2020 13:19

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