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  • SPACECRAFT INSTRUMENTATION  (4)
  • GEOPHYSICS  (1)
  • 1
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    A high energy Space Station (HESS) array for studying extremely energetic cosmic rays (1985)
    In:  Other Sources
    Details
    Publication Date: 2011-08-19
    Description: The scientific aims and design concept of a High-Energy Space Station (HESS) cosmic-ray detector array are discussed. The current state of knowledge on cosmic-ray acceleration and high-energy interactions is briefly reviewed, and the need for observations yielding elemental composition and spectra in the 10-10,000-TeV/nucleon range is demonstrated. It is predicted that 2 yr of observations with a space-borne detector of geometry factor 30 sq m sr would provide adequate data to determine the acceleration mechanism (by comparing the energy level at which the spectra of He nuclei and protons break). A modular HESS array comprising W/scintillator/PM-tube calorimeter modules and Cerenkov charge-sensitive detector modules and weighing about 30 tonnes is described. The array could be assembled on orbit after transport in the Space Shuttle cargo bay, and data could be taken as soon as one or two layers of modules had been attached to the mounting-frame/support-electronics unit.
    Keywords: SPACECRAFT INSTRUMENTATION
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    A particle astrophysics magnet spectrometer facility for Space Station (1987)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: Planning for and design tradeoff studies related to the particle astrophysics magnet spectrometer known as Astromag are presented. This facility is being planned for the Space Station Freedom and address questions regarding the origin and acceleration of cosmic rays, explore the synthesis of elements by making detailed measurements of cosmic ray isotopic composition, and search for evidence of antimatter and other cosmologically significant particles. This work was supported by an international study team which includes particle physicists and cosmic ray physicists.
    Keywords: SPACECRAFT INSTRUMENTATION
    Type: SESSION-OG-9.2-5 , Laboratory for High Energy Astrophysics Contributions to the 20th International Cosmic Ray Conference; 4 p
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    ASTROMAG: A superconducting particle astrophysics magnet facility for the space station (1986)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: This paper describes a superconducting magnet system which is the heart of a particle astrophysics facility to be mounted on a portion of the proposed NASA space station. This facility will complete the studies done by the electromagnetic observatories now under development and construction by NASA. The paper outlines the selection process of the type of magnet to be used to analyze the energy and momentum of charged particles from deep space. The ASTROMAG superconducting magnet must meet all the criteria for a shuttle launch and landing, and it must meet safety standards for use in or near a manned environment such as the space station. The magnet facility must have a particle gathering aperture of at least 1 square meter steradian and the facility should be capable of resolving heavy nuclei with a total energy of 10 Tev or more.
    Keywords: SPACECRAFT INSTRUMENTATION
    Type: NASA-TM-89277 , NAS 1.15:89277 , DE87-002574 , LBL-22343 , CONF-860914-10
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 4
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    The low energy atmospheric antiproton albedo (1989)
    In:  Other Sources
    Details
    Publication Date: 2019-07-27
    Description: The flux of albedo antiprotons in the 100-1000 MeV kinetic energy range produced by the cosmic ray primaries in the atmosphere is calculated. It is shown that this is not a significant background to measurements of the low energy anti-proton cosmic ray flux.
    Keywords: GEOPHYSICS
    Type: AIP Conference on Cosmic Abundances of Matter; Sept. 7-9, 1988; Minneapolis, MN; United States
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    NASA TECHNICAL REPORTS
  • 5
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    Astrogam - A magnetic rigidity spectrometer for gamma-ray astronomy (1990)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: A novel concept is presented for a high-energy gamma-ray telescope with an extended energy range and excellent energy and angular resolution. The characteristics of Astrogam, a wide-field camera which makes an all-sky survey, are enumerated. Consideration is given to the instrument's unique features: wide energy range (four orders of magnitude and energy, which will bridge the gap between satellite and ground-based observations); excellent source location precision (multiple scattering error dominating nuclear recoil and measurement error below 20 GeV); and excellent energy resolution (1-percent energy resolution). Astrogam will make observations in the GTE energy range possible and could resolve complex source regions like the Crab pulsar/Nebular system, the Galactic center, and the Geminga region as well as discover the true nature of the sources.
    Keywords: SPACECRAFT INSTRUMENTATION
    Type: High-energy astrophysics in the 21st century; Dec 11, 1989 - Dec 14, 1989; Taos, NM; United States
    Format: text
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    NASA TECHNICAL REPORTS
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