Development of the surface detector for the Telescope Array experiment and calibration with the AGASA surface detectors

• Project/Area Number: 15077204
• Research Category: Grant-in-Aid for Scientific Research on Priority Areas
• Allocation Type: Single-year Grants
• Review Section: Science and Engineering
• Research Institution: Osaka City University
• Principal Investigator: OGIO Shoichi (2007-2008) Osaka City University, 大学院・理学研究科, 准教授 (20242258); 川上 三郎 (2003-2006) 大阪市立大学, 大学院理学研究科, 教授 (40047337)
• Co-Investigator(Kenkyū-buntansha): HAYASHI Yoshio 大阪市立大学, 大学院・理学研究科, 教授 (00106337) ; HONDA Ken 山梨大学, 大学院・医学工学総合研究部, 教授 (10115321) ; NAKAMURA Toru 高知大学, 理学部, 准教授 (90243815) ; OGIO Shoichi 大阪市立大学, 大学院・理学研究科, 准教授 (20242258) ; YOSHIKOSHI Takanori 東京大学, 宇宙線研究所, 准教授 (30322366) ; HASHIMOTO Katsumi 山梨大学, 教育人間科学部, 助手 (80242626)
• Project Period (FY): 2003 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥293,200,000 (Direct Cost: ¥293,200,000); Fiscal Year 2008: ¥1,500,000 (Direct Cost: ¥1,500,000); Fiscal Year 2007: ¥1,400,000 (Direct Cost: ¥1,400,000); Fiscal Year 2006: ¥14,900,000 (Direct Cost: ¥14,900,000); Fiscal Year 2005: ¥146,300,000 (Direct Cost: ¥146,300,000); Fiscal Year 2004: ¥101,200,000 (Direct Cost: ¥101,200,000); Fiscal Year 2003: ¥27,900,000 (Direct Cost: ¥27,900,000)
• Keywords: 宇宙線 / 極高エネルギー宇宙線 / 宇宙物理 / 素粒子物理 / 高エネルギー天文学 / 粒子線天文学 / 超高エネルギー / 空気シャワー / 素粒子実験

Research Abstract

山梨県で2004年まで稼働した明野広域空気シャワー観測装置(AGASA)は理論的予測を超える量の極高エネルギー宇宙線フラックスを観測したが、その源は既知の天体とは同定されなかった。この結果を受けて、本計画研究では、より軽量・大型・高精度のシンチレーション地表検出器を開発・製造し、計507台をユタ州に展開して、大面積・高精度のテレスコープアレイ地表検出器観測装置を完成させた。本観測装置はAGASAの約9倍の感度を持ち、2008年3月に定常観測を開始した。

Research Products

• [Journal Article] On site calibration for new fluorescence detectors of the Telescope Array experiment (2009)
  • Author(s): H.Tokuno, S.Ogio(8/19), et al
  • Journal Title: Nucl. Inst. and Meth A601 Pages: 364-371
  • Peer Reviewed
• [Journal Article] On-site calibration for new fluorescence detectors of the telescope array experiment (2009)
  • Author(s): H. Tokuno, et.al.
  • Journal Title: Nuclear Instruments and Methods A 601 Pages: 364-371
  • Peer Reviewed
• [Journal Article] Measurement of some EAS properties using new scintillator detectors developed for the GRAPES-3 experiment (2009)
  • Author(s): P. K. Mohanty, et.al.
  • Journal Title: Astroparticle Physics 31 Pages: 24-36
  • Peer Reviewed
• [Journal Article] The Telescope Array experiment: Status and Prospect (2008)
  • Author(s): H. Tokuno, Y. Hayashi(24/111), K. Honda(29/111), S. Kawakami(43/111), T. Nakamura(58/111), S. Ogio(61/111), et al
  • Journal Title: J. of Phys.: Conf. Ser 120 Pages: 1-3
• [Journal Article] Telescope Array Experiment (2008)
  • Author(s): H. Kawai, T. Nakamura(35/92), Y. Hayashi(40/92), S. Kawakami(41/92), S. Ogio(44/92), K. Honda(88/92), et al
  • Journal Title: Nuc. Phys.(Proc. Suppl.) 175-176 Pages: 221-226
• [Journal Article] The cosmic ray primary composition at the knee region from lateral distributions of atmospheric Cerenkov photons in extensive air showers (2008)
  • Author(s): H. Tokuno, et.al.
  • Journal Title: Astroparticle Physics 29 Pages: 453-460
  • Peer Reviewed
• [Journal Article] Telescope Array Experiment (2008)
  • Author(s): H. Kawai, et. al.
  • Journal Title: Nuclear Physics B (Proc. Suppl.) 175-176 Pages: 221-226
• [Journal Article] Study of nuclear composition of cosmic rays around the knee utilizing muon multiplicity with GRAPES-3experiment at Ooty (2008)
  • Author(s): H. Tanaka, et. al.
  • Journal Title: Nuclear Physics B(proc. shppl.) 175-176 Pages: 280-285
• [Journal Article] Trigger system for the TA fluorescence detector (2007)
  • Author(s): Y. Tameda, S.Ogio(5/14), et al
  • Journal Title: Physica E 40/2 Pages: 430-433
• [Journal Article] Status and Prospect of Telescope Array (TA) Experiment (2007)
  • Author(s): K. Kasahara, T. Nakamura(46/111), Y. Hayashi(53/111), S. Kawakami(54/111), S. Ogio(57/111), K.Honda(105/111), et al
  • Journal Title: Proc of 30th International Cosmic Ray Conference
• [Journal Article] Characteristics and Performance of the Electronics for the Fluorescence Detectors of Telescope Array (2007)
  • Author(s): Y. Tameda, S. Ogio(7/12), et al
  • Journal Title: Proc of 30th International Cosmic Ray Conference
• [Journal Article] DataAcquisition System of the Air Fluorescence Detectors for the Telescope Array Experiment (2007)
  • Author(s): H. Tokuno, S. Ogio(7/15), et al
  • Journal Title: Proc of 30th International Cosmic Ray Conference
• [Journal Article] Calibration and Monitoring of the Air fluorescence Detectors for the Telescope Array Experiment (2007)
  • Author(s): H. Tokuno, S. Ogio(10/19), et al
  • Journal Title: Proc of 30th International Cosmic Ray Conference
• [Journal Article] Data Acquisition System of Surface Detector Array of the Telescope Array experiment (2007)
  • Author(s): S. Ozawa, S. Kawakami(3/12), et al
  • Journal Title: Proc of 30th International Cosmic Ray Conference
• [Journal Article] Trigger system for the TA fluorescence detector (2007)
  • Author(s): Y.Tameda, et. al.
  • Journal Title: Physica E 40/2 Pages: 430-433
  • Peer Reviewed
• [Journal Article] Telescope Array : Status and Prospect (2005)
  • Author(s): H. Kawai, T. Nakamura(29/71), Y. Hayashi(33/72), S Kawakami(34/72), S.Ogio(38/72), K. Honda(70/72), et al
  • Journal Title: Proc. Of 29th International Cosmic Ray Conference 8 Pages: 141-144
• [Journal Article] Telescope Array : Progress of Fluorescence Detector (2005)
  • Author(s): S. Ogio(1/4), et al
  • Journal Title: Proc. of 29th International Cosmic Ray Conference 8 Pages: 173-176
• [Journal Article] Atmospheric Monitoring Using Radiosonde Data for TA (2005)
  • Author(s): S. Machida, S. Ogio, and F. Kakimoto
  • Journal Title: Proc. of 29th International Cosmic Ray Conference 8 Pages: 169-172
• [Journal Article] Performance of the Surface Scintillation Detector for the Telescope Array (2005)
  • Author(s): Y. Hayashi(1/10), S Kawakami(2/10), et al
  • Journal Title: Proc. of 29th International Cosmic Ray Conference 8 Pages: 161-164
• [Journal Article] Telescope Array : Progress of Surface Array (2005)
  • Author(s): H. Kawai, T. Nakamura(29/71), Y. Hayashi(33/72), S. Kawakami(34/72), S. Ogio(38/72), K. Honda(70/72), et al
  • Journal Title: Proc. of 29th International Cosmic Ray Conference 8 Pages: 181-184
• [Journal Article] GRAPES-3-A High Density Air Shower Array for Studies on the Structure in the Cosmic Ray Energy Spectrum near the Knee (2005)
  • Author(s): S.K.Gupta, S.Kawakami, Y.Hayashi et al.
  • Journal Title: Nuclear Instruments and Methods in Physics Research A 540 Pages: 311-323
• [Journal Article] GRAPES-3 - A High Density Air Shower Array for Studies on the Structure in the Cosmic Ray Energy Spectrum near the Knee (2005)
  • Author(s): S.K.Gupta, S.Kawakami, Y.Hayashi et al.
  • Journal Title: Nuclear Instruments and Methods in Physics Research A540 Pages: 311-323
• [Journal Article] GRAPES-3-A High Density Air Shower Array for Studies on the Structure in the Cosmic Ray Energy Spectrum near the Knee (2005)
  • Author(s): S.K.Gupta, S.Kawakami, Y.Hayashi, et al.
  • Journal Title: Nuclear Instruments and Methods in Physics Research A540 Pages: 311-323
• [Journal Article] The Telescope Array : An Overview and Physics Aim (2003)
  • Author(s): Y. Arai, K.Hashimoto(6/40), Y.Hayashi(7/40), K. Honda(10/40), S.Kawakami(17/40), T. Nakamura(20/40), S. Ogio(21/40), T. Yoshikoshi(40/40), et al
  • Journal Title: Proc. of 28th International Cosmic Ray Conference 2 Pages: 1025-1028
• [Journal Article] The Telescope Array Experiment : Hybrid Measurement of Ultra High Energy Cosmic Rays in Northern Hemisphere (2003)
  • Author(s): F.Kakimoto, S.Ogio(2/14), et al
  • Journal Title: Proc. of 28th International Cosmic Ray Conference 2 Pages: 1029-1032
• [Journal Article] The Telescope Array Experiment : The Search for the Clusters in the Northern Sky with A Large Scintillator Array (2003)
  • Author(s): M. Chikawa, K. Hashimoto(3/18), Y. Hayashi(4/18), K. Honda(7/18), S. Kawakami(9/18), T. Yoshikoshi(18/18)
  • Journal Title: Proc. of 28th International Cosmic Ray Conference 2 Pages: 1033-1036
• [Journal Article] Energy determination in the Akeno Giant Air Shower Array experiment (2003)
  • Author(s): M. Takeda, K. Honda(3/32), S. Kawakami(3/32), et al
  • Journal Title: Astropart. Phys 19 Pages: 447-462
• [Journal Article] Energy determination in the Akeno Giant Air Shower Array experiment (2003)
  • Author(s): M.Takeda, N.Sakaki, S.Kawakami et al.
  • Journal Title: Astroparticle Physics 19(4) Pages: 447-462
• [Journal Article] Energy determination in the Akeno Giant Air Shower Array experiment (2003)
  • Author(s): M.Takeda, N.Sakaki, S.Kawakami, et al.
  • Journal Title: Astroparticle Physics 19(4) Pages: 447-462
• [Journal Article] Development of Atmospheric Monitoring System at Akeno Observatory for the Telescope Array Project (2002)
  • Author(s): T.Yamamoto, Y.Hayashi, S Kawakami et al.
  • Journal Title: Nuclear Instruments and Methods in Physics Research 488 Pages: 191-208
• [Journal Article] Upper limit on Gamma-ray Flux above 10^<19>eV Estimated by the Akeno Giant Air Shower Array Experiment (2002)
  • Author(s): K.Shinozaki, S.Kawakami et al.
  • Journal Title: Astrophysical Journal 571 Pages: 117-120
• [Journal Article] The L3+C detector, a unique tool-set to study cosmic rays (2002)
  • Author(s): O.Adriani, S.Kawakami, Y.hayashi et al.
  • Journal Title: Nuclear Instruments and Methods in Physics Research 488 Pages: 209-225
• [Journal Article] Development of Atmospheric Monitoring System at Akeno Observatory for the Telescope Array Project (2002)
  • Author(s): T.Yamamoto, Y.Hayashi, S.Kawakami et al.
  • Journal Title: Nuclear Instruments and Methods in Physics Research 488 Pages: 191-208
• [Journal Article] The L3+C detector, a unique tool-set to study cosmic rays (2002)
  • Author(s): O.Adriani, S.Kawakami, Y.Hayashi et al.
  • Journal Title: Nuclear Instruments and Methods in Physics Research 488 Pages: 209-225
• [Journal Article] Development of Atmospheric Monitoring System at Akeno Observatory for the Telescope Array Project (2002)
  • Author(s): T.Yamamoto, Y.Hayashi, S.Kawakami, et al.
  • Journal Title: Nuclear Instruments and Methods in Physics Research 488 Pages: 191-208
• [Journal Article] Upper limit on Gamma-ray Flux above 10^<19> eV Estimated by the Akeno Giant Air Shower Array experiment (2002)
  • Author(s): K.Shinozaki, S.Kawakami, et al.
  • Journal Title: Astrophysical Journal 571 Pages: 117-120
• [Journal Article] The L3+C detector, a unique tool-set to study cosmic rays (2002)
  • Author(s): O.Adriani, S.Kawakami, Y.hayashi, et al.
  • Journal Title: Nuclear lnstruments and Methods in Physics Research 488 Pages: 209-225
• [Journal Article] Study of Hadronic Component in Air Showers at Mt. Chacaltaya (2001)
  • Author(s): K.Honda, N.Inoue, N.Kawasumi et al.
  • Journal Title: Nuclear Physics B 97 Pages: 158-161
• [Journal Article] Study of Hadronic Component in Air Showers at Mt. Chacaltaya (2001)
  • Author(s): K.Honda, N.Inoue, N.Kawasumi, et al.
  • Journal Title: Nuclear Physics B 97 Pages: 158-161
• [Presentation] 地表検出器全体報告 (2008)
  • Author(s): 奥田剛司, 他Telescope Array Collaboration
  • Organizer: 日本物理学会
  • Place of Presentation: 山形大学
  • Year and Date: 2008-09-21
• [Presentation] 北半球における観測-Telescope Array実験の現状 (2007)
  • Author(s): 荻尾彰一、招待講演
  • Organizer: 日本物理学会、宇宙線・宇宙物理領域他合同シンポジウム
  • Place of Presentation: 北海道大学
  • Year and Date: 2007-09-23
• [Presentation] The First Observation with the Fluorescence Detectors of the Telescope Array experiment (2007)
  • Author(s): 荻尾彰一
  • Organizer: 30th International Cosmic Ray Conference
  • Place of Presentation: Merida(Mexico)
  • Year and Date: 2007-07-07
• [Presentation] The First Observations with FDs of the Telescope Array (2007)
  • Author(s): S.Ogio, et. al.
  • Organizer: 30th International Cosmic Ray conference
  • Place of Presentation: Merida, Mexico
  • Year and Date: 2007-07-06
• [Presentation] テレスコープアレイ実験116:地表粒子検出器用ソーラーシステム (2006)
  • Author(s): 本田建
  • Organizer: 日本物理学会
  • Place of Presentation: 奈良女子大学
  • Year and Date: 2006-09-21
• [Presentation] Telescope Array Project (2006)
  • Author(s): 荻尾彰一、 招待講演
  • Organizer: 14th International Symposium for Very High Energy Cosmic Ray Interactions
  • Place of Presentation: 威海(中国)
  • Year and Date: 2006-08-18
• [Presentation] テレスコープアレイ実験90:全体状況報告 (2005)
  • Author(s): 荻尾彰一
  • Organizer: 日本物理学会
  • Place of Presentation: 大阪市立大学
  • Year and Date: 2005-09-14
• [Presentation] Telescope Array : Progress of Fluorescence Detector (2005)
  • Author(s): 荻尾彰一
  • Organizer: 29th International Cosmic Ray Conference
  • Place of Presentation: Pune(India)
  • Year and Date: 2005-08-06
• [Presentation] Telescope Array : Progress of Surface Array (2005)
  • Author(s): 川上三郎
  • Organizer: 29th International CosmicRay Conference
  • Place of Presentation: Pune(India)
  • Year and Date: 2005-08-06
• [Presentation] テレスコープアレイ実験82:ソーラーパネルによる地表検出器の電力供給システム (2004)
  • Author(s): 本田建
  • Organizer: 日本物理学会
  • Place of Presentation: 高知大学朝倉キャンパス
  • Year and Date: 2004-09-27
• [Presentation] The Telescope Array Experiment : The search for the clusters in the northern hemisphere sky with a large scintillator array (2003)
  • Author(s): 川上三郎
  • Organizer: 28th International Cosmic Ray Conference
  • Place of Presentation: つくば国際会議場(つくば市、日本)
  • Year and Date: 2003-08-04
• [Remarks] 日刊工業新聞記事、2008年8月26日、「高エネルギー宇宙線観測」
• [Remarks] 朝日新聞記事、2008年8月25日、「『スーパー宇宙線』観測へ」
• [Remarks] ニュートンムック『未解決の天文学』第8章:超高エネルギー宇宙線、2008年4月15日
• [Remarks] Science,""Little" Cosmic Ray Observatory Aims to Make a Big Mark", 400, vol. 319, 25 Jan. 2008
• [Remarks] 日本経済新聞社「かがくCafe」記事、2007年1月28日、「スーパー宇宙線が見つかれば、物理学の定説が大きく揺らぎます」
• [Remarks] ニュートン記事、2007年1月号、「相対性理論をゆるがす"スーパー宇宙線"の謎」
• [Remarks] 日経サイエンス記事、2006年9月号、「超高エネルギー宇宙線の謎を解く」
• [Remarks] 朝日新聞記事、2006年2月15日、「探せスーパー宇宙線」
• [Remarks] 山梨日日新聞、2005年4月22日、「最強宇宙線への挑戦を「投影」」
• [Remarks] Millard County Chronicle Progress, "Proposed detectors for Telescope Array being staked" , June 17, 2004.
• [Remarks] Millard County Cosmic Ray Center(ユタ州デルタ市)。データ収集・観測制御拠点兼ビジターセンター(運営:ユタ大学)。
• [Remarks] テレスコープアレイ完成記念講演会・祝賀会、記者発表。東京大学。2008年8月25日。
• [Remarks] Millard County Cosmic Ray Center開所式。デルタ市長、ユタ大学副学長他出席。2006年3月20日。
• [Remarks] 山梨科学館プラネタリウム番組「最強宇宙線の謎-明野からの挑戦」。山梨科学館。2005年4-9月。
• [Remarks]
  • URL: http://taws100.icrr.u-tokyo.ac.jp/kakenhi/
• [Remarks]
  • URL: http://taws100.icrr.u-tokyo.ac.jp/index_jp.html
• [Remarks]
  • URL: http://www.telescopearray.org/
• [Remarks]
  • URL: http://www.telescopearray.org.http://alpha.sci.osaka-cu.ac.jp/ocu_ta
• [Remarks]
  • URL: http://www.telescopearray.org
• [Remarks]
  • URL: http://alpha.sci.osaka-cu.ac.jp/ocu_ta
• [Publications] M.Takeda, N.Sakaki, S.Kawakami et al.: "Energy determination in the Akeno Giant Air Shower Array experiment"Astroparticle Physics 447-462. 19(4). 447-462 (2003)
• [Publications] T.Yamamoto, Y.Hayashi, S.Kawakami et al.: "Development of Atmospheric Monitoring System at Akeno Observatory for the Telescope Array Project"Nuclear Instruments and Methods in Physics Research. 488. 191-208 (2002)
• [Publications] K.Shinozaki, S.Kawakami et al.: "Upper limit on Gamma-ray Flux above 10^<19>eV Estimated by the Akeno Giant Air Shower Array Experiment"Astrophysical Journal. 571. 117-120 (2002)
• [Publications] O.Adriani, S.Kawakami, Y.Hayashi et al.: "The L3+C detector, a unique tool-set to study cosmic rays"Nuclear Instruments and Methods in Physics Research. 488. 209-225 (2002)
• [Publications] R.Enomoto, T.Yoshikoshi et al.: "The acceleration of cosmic-ray protons in the supernova remnant RXJ1713.7-3946"Nature. 416. 823-826 (2002)
• [Publications] K.Honda, N.Inoue, N.Kawasumi et al.: "Study of Hadronic Component in Air Showers at Mt. Chacaltaya"Nuclear Physics B. 97. 158-161 (2001)