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Published 2001 | Version Published
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The ^7Li/^6Li ratio in the energy range from 150 to 1300 MeV/nucleon Measured with the balloon-borne ISOMAX 98 instrument in the upper atmosphere

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Abstract

We report on the measured ^7Li/^6Li ratio at an atmospheric depth of 4.6 g/cm^2 in the energy range from 183 to 1314 MeV/nucleon, using the Isotope Magnet Experiment (ISOMAX). This balloon-borne magnetic spectrometer in combination with a Time-of-Flight system (TOF) and a silica-aerogel Cherenkov detector was built to measure the isotopic composition of the light elements (3 ≤ Z ≤ 8) in the cosmic radiation up to several GeV/nucleon. ISOMAX was flown on August 4-5, 1998, from Lynn Lake, Manitoba, Canada. The data was collected during 13 hours at an altitude which corresponds to a residual atmosphere of less than 5 g/cm2 . The results on 10 Be/9 Be ratio are presented in the these proceedings by Hams et al. (2001) in the TOF regime and by de Nolfo et al. (2001) in the Cherenkov regime.

Additional Information

© Copernicus Gesellschaft 2001. This experiment was supported by grant NASA RTOP 353-87-02 at Goddard, by NAG5-5227 at CalTech, and by DFG Si 290/8 at Siegen. We would like to thank the many engineers and technicians that maid ISOMAX a success as well as the National Scientific Balloon Facility.

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Alternative title
The measured ratio of Lithium isotopes in cosmic rays in the energy range from 0.2 to 1.3 GeV/nucleon with the ISOMAX 98 instrument

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Eprint ID
55419
Resolver ID
CaltechAUTHORS:20150302-132105751

Related works

Describes
http://adsabs.harvard.edu/abs/2001ICRC....5.1663G (URL)

Funding

NASA
RTOP 353-87-02
NASA
NAG5-5227

Dates

Created
2015-03-04
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Updated
2020-03-09
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Caltech Custom Metadata

Caltech groups
Space Radiation Laboratory
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Space Radiation Laboratory
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2001-21