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1991 Fiscal Year Final Research Report Summary

Accelerator beam experiments of a cosmic ray heavy ion telescope

Research Project

Project/Area Number 02041106
Research Category

Grant-in-Aid for international Scientific Research

Allocation TypeSingle-year Grants
SectionField Research
Research InstitutionThe Institute of Physical and Chemical Research (RIKEN)

Principal Investigator

KOHNO Tsuyoshi  Cosmic Radiation Laboratory, RIKEN, 宇宙放射線研究室, 研究員 (60211231)

Co-Investigator(Kenkyū-buntansha) CRAWFORD H. J.  Space Sciences Laboratory, UC Berkeley
KATO Hiroshi  Technical Division, RIKEN, 研究基盤技術部, 技師
MUNAKATA Kazuoki  Fuculty of Science, Shinshu University, 理学部・物理学教室, 助手 (40221618)
IMAI Takashi  Cosmic Radiation Laboratory, RIKEN, 宇宙放射線研究室, 技師
MATSUOKA Masaru  Cosmic Radiation Laboratory, RIKEN, 宇宙放射線研究室, 主任研究員 (30013668)
Project Period (FY) 1990 – 1991
Keywordscosmic ray / heavy ions / solid state detector / position sensitive detector / isotope / space observation
Research Abstract

We have a program for observation of cosmic ray heavy ions at the synchronous orbit. The detectors being employed in this observation are all silicon solid state detectors for both of position sensitive detectors and energy detectors. The energy ranges of our observation are 30 - 140 MeV/nuc for C and 55 - 340 MeV/nuc for Fe. Elemental interval being observed ranges from Li to Ni. The typical geometric factor of the telescope is about 25 cm^2 sterad. This telescope will be launched into synchronous orbit in 1993 aboard the satellite sixth Engineering Test Satellite (ETS-VI).
It is necessary to calibrate the telescope system using heavy ion beams from heavy ion accelerator. The BEVALAC of Lawrence Berkeley Laboratory has long been used for space sciences by NASA, as a cosmic ray source in the laboratory. Useful facilities such as magnetic momentum analyzer system, numerous selection of combinations of targets and absorbers for nuclear fragmentation and energy degradation are equipped there.
Our beam experiment based supported by this budget were done for two years of 1990 and 1991. Both measurements for the Heavy Ion Telescope (HIT) were performed using Fe beams from BEVALAC.
It was confirmed that HIT can clearly separate elements from S to Mn produced by the projectile fragmentation process induced by Fe^<56> beam. The isotopic separation could also be observed for the elements lighter than Ti. The mass resolution was found to be 0.52 amu, 0.60 amu, and 0.72 amu for Ar, Ca and Ti, respectively. We can conclude that the telescope (HIT) has an ability to make good enough observation in space.

  • Research Products

    (15 results)

All Other

All Publications (15 results)

  • [Publications] Munakata et al.: "Time variation of the cosmic ray muon flux in underground detectors and correlation with atmospheric temperatures" Lett.J.Phys.Soc.Jpn.60. 2808-2811 (1991)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] T.Kohno,T.Imai,K.Munakata,M.Matsuoka,H.Kato,Y.Chiba,T.Ouchi,T.Goka,A.Nakamoto: "Program of the cosmic ray heavy ion observation at the synchronous orbit" Proc.21st Int.Cosmic Ray Conf.7. 256-259 (1990)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] T.Kohno,K.Munakata,K.Nagata,K.Nagata,H.Murakami,A.Nakamoto,T.Yanagimachi,N.Hasebe: "Intensity maps of MeV electrons and protons below the radiation belt" Planet.Space Sci.38. 483-490 (1990)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] C.Kato,T.Imai,A.Yoneda,H.Kato,K.Munakata,and T.Kohno: "Responses of large position sensitive detectors to heavy ion beams" Riken Acc.Prog.Rep.24. 483-468 (1991)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Tsuyoshi Kohno: "Solar proton intensity magnitudes of large flares on fall 1989 observed at synchronous orbit" 22nd Int.Cosmic Ray Conf.,SH3.1.12,Dublin. (1992)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] C.Kato,A.Yoneda,T.Imai,K.Munakata,and T.Kohno: "Test of twoーdimensional position sensitive silicon detector for cosmic ray telescope by a light pulser" Jap.J.Appl.Phys.30. 3549-3550 (1991)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Tsuyoshi Kohno: "Solar energetic particle observation by GEOTAIL satellite,Lecture Notes in Physics 387,Flare Physics in Solar Activity Maximum 22 Uchida(Eds.)" SpringerーVerlag,Berlin,316-319 (1991)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] M.Matsuoka,N.Kawai,T.Imai,M.Yamauchi,A.Yoshida,T.Kohno,A.Yoneda and H.Tsunemi: "An Xーray all sky monitor for a Japanese Experimental Module on the space station,Observatories in Earth Orbit and Beyond,Y.Kondo(ed.)" Kluwer Acad.Pub.,Netherlands, 463-468 (1990)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Munakata et al,: "Time variation of the cosmic ray muon flux in underground detectors and correlation with atmospheric temperatures" Lett. J. Phys. Soc. Jpn. 60. 2808-2811 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] T. Kohno et al,: "Accelerator beam experiments of a prototype cosmic ray heavy ion telescope" J. Phys. Soc. Jpn. 60. 3967-3975 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] T. Kohno et al,: "Intensity maps of MeV electrons and protons below the radiation belt" Planet. Space Sci.38. 483-490 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Tuyoshi Kohno: "Solar proton intensity magnitudes of large flares on fall 1989 observed at synchronous orbit" 22nd Int. Cosmic Ray Conf., Dublin. SH3.1.12.

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] C. Kato et al,: "Test of two dimensional position sensitive silicon detector for cosmic ray telescope by a light pulser" Jpn. J. Apll. Phys.30. 3549-3550 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Tsuyoshi Kohno: Springer-Verlag, Berlin. Solar Energetic Particle Observation by GEOTAIL Satellite, in "Lecture notes in physics 387, Flare physics in solar activity maximum 22" Uchida et al (Eds), 316-319 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Matsoka et al: Kluwer Acad. Pub., Netherlands. An X-Ray all sky monitor for a Japanese Experimental Module on the space station, in "Observatories in earth orbit and beyond", Y. Kondo (Eds), 463-468 (1990)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 1993-03-16  

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