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High Energy Cosmic Ray Background for Resonant-Mass Gravitational Wave Antenna

Research Project

Project/Area Number 08454060
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field 素粒子・核・宇宙線
Research InstitutionMiyagi University of Education (1997-1998)
The University of Tokyo (1996)

Principal Investigator

KANDA Nobuyuki  Miyagi University of Education, Faculty of Education Assistant Professor, 教育学部, 助教授 (50251484)

Co-Investigator(Kenkyū-buntansha) KURODA Kazuaki  University of Tokyo, Institute of Cosmic Ray Research Professor, 宇宙線研究所, 教授 (00242165)
坪野 公夫  東京大学, 大学院・理学系研究科, 助教授 (10125271)
岡田 淳  東京大学, 宇宙線研究所, 助手 (90013341)
Project Period (FY) 1996 – 1998
Project Status Completed (Fiscal Year 1998)
Budget Amount *help
¥6,000,000 (Direct Cost: ¥6,000,000)
Fiscal Year 1998: ¥900,000 (Direct Cost: ¥900,000)
Fiscal Year 1997: ¥1,000,000 (Direct Cost: ¥1,000,000)
Fiscal Year 1996: ¥4,100,000 (Direct Cost: ¥4,100,000)
KeywordsGravitational Wave / Resonant-Mass Antenna / Cosmic Ray / Fabry=Perot Interferometer / 共鳴型重力波アンテナ / レーザートランスデスューサー
Research Abstract

The aim of this research was a measurement of the excitation of the resonant-mass type gravitational wave antenna due to cosmic ray incident. It will become the background of the gravitational wave search in high sensitivity experiment. The resonant-mass gravitational wave antenna that is settled at institute of cosmic ray research is a monitor for the burst gravitational wave from supernova in our galaxy. It has a high sensitivity laser interferometric transducer to detect mass excitation. It consists of Fabry=Perot interferometer.
In this research, we achieved stable and high sensitivity operation of the detector system. We also prepare the cosmic ray counters for incident veto. We did not measured cosmic ray veto system and gravitational wave antenna operation simultaneously, since an installation of the cosmic ray counter is delayed, however we will start simultaneous operation when the electronics peripherals will be completed.
The sensitivity of the transducer is -10^<-17>m/nuHz in this research. To make the operation stable, we monitor an intensity of transmission light of Fabry=Perot cavity. The steering mirrors are tuned with this feedback.
We made real time data processing in on-line data acquisition system. The data acquisition system shows the quick analysis result in real time, and it made possible to tune the lock-in amplifier frequency for phase sensitive measurement with on-line.
For main purpose of this research, we preparing cosmic ray counter beyond the antenna. If possible, to place calorimeter under the antenna is best choice. However due to budget and site limitation, we use plastic scintillation counters with PMT(Photo Multiplier Tube). Counters are checked, and a frame for setting is constructed around the antenna system.
Due to delay of counter system, we did not measure the excitation of the antenna. However, on the other hand, we got many experiences with transducer development.

Report

(4 results)
  • 1998 Annual Research Report   Final Research Report Summary
  • 1997 Annual Research Report
  • 1996 Annual Research Report
  • Research Products

    (10 results)

All Other

All Publications (10 results)

  • [Publications] N.Kanda et al.: "Data Acquijition System for TAMA Gravitational Wave Interferometer" "Gravitational Wave Detection", Universal Academy Press.15-20 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] N.Kanda et.al.: "Smith's algorithm as a fast trigger for TAMA" "Second Workshop on Gravitational Wave Data Analysis", EDITIONS FRONTIERES. 209-217 (1998)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] N.Kanda: "Data Analysis Methods for Laser Interferometric Gravitational Wave Detector" Proceedings of the 8th Workshop on GRG. 133-145 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] N.Kanda et al.: "Data Acquisition System for TAMA Gravitational Wave Interferometer" Gravitational Wave Detection. Universal Academy Press. 15-20 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] N.Kanda et al.: "Smith's algorithm as a fast trigger for TAMA" Proceedings of "Second Workshop on Gravitational Wave Data Analysis". EDITIONS FRONTIERES. 209-217 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] N.Kanda: "Data Analysis Methods for Laser Interferomatric Gravitational Wave Detector" Proceedings of the 8th Workshop on GRG. 133-145 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] N.Kanda et.al.: "Data Acquisition System for TAMA Gravitational Weve Interferometer" “Gravitational Weve Detection",Universal Academy Press.15-20 (1997)

    • Related Report
      1998 Annual Research Report
  • [Publications] N.Kanda et.al.: "Smith's algorithm as a fast trigger for TAMA" “Second Workshop on Gravitational Wave,Data Analysis",EDITIONS FRONTIERES. 209-217 (1998)

    • Related Report
      1998 Annual Research Report
  • [Publications] N.Kanda: "Data Analysis Methods for Laser Interferometric Gravitational Wave Detection" Proceedings of the 8th Workshop on GRG. 133-145 (1999)

    • Related Report
      1998 Annual Research Report
  • [Publications] N.Kanda, N.Kamikubota, S.Matsumura, D.Tatsumi, T.Yamazaki et al.: "Smith's algorithm as a fast trigger for TAMA" ICRR-Report (contributed Gravitational Wave Data Analysis Workshop 2). 407-98-3

    • Related Report
      1997 Annual Research Report

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Published: 1996-04-01   Modified: 2016-04-21  

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