Published 2003
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Measurements of the Ultra-Heavy Galactic Cosmic-Ray Abundances between Z=30 and Z=40 with the TIGER Instrument
Abstract
The Trans-Iron Galactic Element.Recorder (TIGER) instrument was launched in December 2001 from McMurdo, Antarctica. TIGER is a cosmic-ray telescope that uses four scintillation counters, two Cherenkov detectors and a scintillating fiber hodoscope to determine the charge (Z) and energy of a particle. During the 31.8 day flight it measured ~100 ultra-heavy galactic cosmic-ray (GCR) events with Z > 30 and demonstrated charge resolution sufficient to resolve the individual elemental abundances in this region. The abundances of the Ultra-Heavy GCRs in this range can be used to distinguish between GCR source models. We present our measurements and discuss the implications for the GCR source.
Additional Information
Copyright Universal Academy Press Inc. This research was supported by the National Aeronautics and Space Adminstration under grant NAGS-5078. JTL was futher supported by a NASA GSRP grant NGT5-50240.Attached Files
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Additional details
- Eprint ID
- 56334
- Resolver ID
- CaltechAUTHORS:20150403-091555049
- NAGS-5078
- NASA
- NGT5-50240
- NASA
- Created
-
2015-04-05Created from EPrint's datestamp field
- Updated
-
2020-03-09Created from EPrint's last_modified field
- Caltech groups
- Space Radiation Laboratory
- Other Numbering System Name
- Space Radiation Laboratory
- Other Numbering System Identifier
- 203-41