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Identifying Galactic Cosmic Ray Origins With Super-TIGERSuper-TIGER (Super Trans-Iron Galactic Element Recorder) is a new long-duration balloon-borne instrument designed to test and clarify an emerging model of cosmic-ray origins and models for atomic processes by which nuclei are selected for acceleration. A sensitive test of the origin of cosmic rays is the measurement of ultra heavy elemental abundances (Z > or equal 30). Super-TIGER is a large-area (5 sq m) instrument designed to measure the elements in the interval 30 < or equal Z < or equal 42 with individual-element resolution and high statistical precision, and make exploratory measurements through Z = 60. It will also measure with high statistical accuracy the energy spectra of the more abundant elements in the interval 14 < or equal Z < or equal 30 at energies 0.8 < or equal E < or equal 10 GeV/nucleon. These spectra will give a sensitive test of the hypothesis that microquasars or other sources could superpose spectral features on the otherwise smooth energy spectra previously measured with less statistical accuracy. Super-TIGER builds on the heritage of the smaller TIGER, which produced the first well-resolved measurements of elemental abundances of the elements Ga-31, Ge-32, and Se-34. We present the Super-TIGER design, schedule, and progress to date, and discuss the relevance of UH measurements to cosmic-ray origins.
Document ID
20090027058
Acquisition Source
Goddard Space Flight Center
Document Type
Conference Paper
Authors
deNolfo, Georgia (Maryland Univ. Baltimore County Greenbelt, MD, United States)
Binns, W. R. (Washington Univ. Saint Louis, MO, United States)
Israel, M. H. (Washington Univ. Saint Louis, MO, United States)
Christian, E. R. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Mitchell, J. W. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Hams, T. (Maryland Univ. Baltimore County Greenbelt, MD, United States)
Link, J. T. (Universities Space Research Association Greenbelt, MD, United States)
Sasaki, M. (Maryland Univ. College Park, MD, United States)
Labrador, A. W. (California Inst. of Tech. Pasadena, CA, United States)
Mewaldt, R. A. (California Inst. of Tech. Pasadena, CA, United States)
Stone, E. C. (California Inst. of Tech. Pasadena, CA, United States)
Waddington, C. J. (Minnesota Univ. Minneapolis, MN, United States)
Wiedenbeck, M. E. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Date Acquired
August 24, 2013
Publication Date
July 7, 2009
Subject Category
Astrophysics
Meeting Information
Meeting: 31st International Cosmic Ray Conference/International Union of Pure and Applied Physics (IUPAP)
Location: Lodz
Country: Poland
Start Date: July 7, 2009
End Date: July 15, 2009
Funding Number(s)
CONTRACT_GRANT: NNG06EO90A
CONTRACT_GRANT: NNX09AC17G
Distribution Limits
Public
Copyright
Public Use Permitted.

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