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1998 Fiscal Year Final Research Report Summary

Design Study and R&D of Tau/Charm Factory

Research Project

Project/Area Number 08044099
Research Category

Grant-in-Aid for international Scientific Research

Allocation TypeSingle-year Grants
SectionJoint Research
Research Field 素粒子・核・宇宙線
Research InstitutionKEK,High Energy Accelerator Research Organization

Principal Investigator

KUROKAWA Shin-ichi  KEK,Accelerator Laboratory, Professor, 加速器研究施設, 教授 (90044776)

Co-Investigator(Kenkyū-buntansha) FUKUMA Hitoshi  KEK,Accelerator Laboratory, Assistant Professor, 加速器研究施設, 助教授 (40150007)
HOSOYAMA Kenji  KEK,Accelerator Laboratory, Assistant Professor, 加速器研究施設, 助教授 (20124175)
FURUYA Takaaki  KEK,Accelerator Laboratory, Assistant Professor, 加速器研究施設, 助教授 (70156975)
AKAI Kazunori  KEK,Accelerator Laboratory, Assistant Professor, 加速器研究施設, 助教授 (10184061)
HIRAMATSU Shigenori  KEK,Accelerator Laboratory, Professor, 加速器研究施設, 教授 (00011742)
Project Period (FY) 1996 – 1998
KeywordsTauCharm Factry / electron-positorn colliders / photo-electron instaability / single-cell, single-mode / superconducting cavity / superconducting final-focus quads / superconducting technology
Research Abstract

1. The design of BTCF, Beijing TauCharm Factory, proceeded smoothly, and the results was summarized as "Feasibility Study Report on Beijing TauCharm Factry", IHEP BTCF ReportO3, October 1996. Head investigator of this project, Shin-ichi Kurokawa, attended the International Review Committee of BTCF held at IHEP in November 1996. The committee appreciated the result of the design work and recommended early start of the construction.
2. A series of experiments on photo-electron instability (PEI) was performed at BEPC of IHEP.The results of the experiments are summarized as follows : (1) The phenomena observed at PF was confirmed as PEI ; (2) The dependence of the instability on various accelerator parameters was clarified ; and (3) The spread of modes and variation of strength of each mode with respect to time were clarified. The experiments are highly appreciated internationally.
3. The applicability of single-cell, single-mode, superconducting cavity to TauCharm Factory was proved by a beam test done at AR, where this type of cavity could store 570 mA, which was about the same value as that of TauCharm Factory. In order to make the construction of superconducting cavities and superconducting final-focus quads that are must for the BTCF, preparation for technology transfer of superconducting technology was done.

  • Research Products

    (54 results)

All Other

All Publications (54 results)

  • [Publications] K.Hosoyama, et.al.: "Croyogenic System for TRISTAN Superconducting RF Cavities : Descripstion and Operating Experience" Proceedings of ICEC/ICMC-16. 183 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] C.Zhang: "Measurement of Local Longitudinal Loss Factor Using BPM in TRISTAN MR" Proceedings of PAC97. 183 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] E.Kikutani, et.al.: "Development of a Higi-Speed Digital Signal-Process Board for the KEKB Bunch Feedback Systems" 〓oceedings of EPAC96. 1893-1895 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Y.Minagawa, et.al.: "A Systematic Study of a Transverse Feedback System with a Two-Tap Fir Filter" Proceedings of EPAC96. 1896-1898 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Z.Y.Guo, et.al.: "The Proposed Experimental Study on Beam-Photoelectron Interactions in BEPC" Proceedings of EPAC96. 1042-1044 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] T.Furuya, et.al: "A Prototype Module of a Superconducting Damped Cavity for KEKB" Proceedings of EPAC96. 2121-2123 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] S.Mitsunobu, et.al: "Status and Developments of Superconducting Cavity for KEKB" Proceedings of PAC97. 2908-2910 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] T.Furuya, et.al.: "Beam Test of a Superconducting Damped Cavity for KEKB" Proceedings of PAC97. 3087-3089 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] T.Tajima, et.al.: "Beam Test Results on HOM Absorber of Superconducting Cavity for KEKB" Proceedings of PAC97. 3090-3092 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Z.Y.Guo, et.al.: "The Experimental Study on Beam-Photoelectron Instability in BEPC" Proceedings of PAC97. 1566-1568 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] L.F.Wang, et.al.: "Multibunch Collision Scheme in BEPC" Proceedings of EPAC96. 2121-2123 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] L.Ma and P.Shi: "Upgrade of the BPM System for the BEPC Storage Ring" Proceedings of PAC97. 2075-2077 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Q.Qin, et.al.: "Dynamic Aperture Study on Beijingt-Charm Factory Design" Proceedings of PAC97. 1448-1450 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] C.Zhang, N.Huang, K.Hirata: "A Study on Beam-Beam Interactions for BTCF" Proceedings of PAC97. 1780-1782 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] BTCF Design Group: "Beijing Tau-Charm Factory Design Study" Proceedings of PAC97. 321-323 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] T.Furuya, et.al.: "A Prototype Module of a Superconducting Damped Cavity for KEKB" Proceedings of EPAC96. 2121-2123 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] F.Zhou, et.al.: "Impedance Studies for BEPC" Proceedings of PAC97. 1729-1731 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] T.Furuya, et.al.: "Expeiment on the Fast Beam-Ion Instability at the TRISTSAN AR" Proceedings of MBI97. 1-22 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Z.y.Guo, et.al.: "Experimental Study of the Beam-Photoelectron Instability in BEPC" Proceedings of MBI97. 150-162 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] K.Ohmi: "Recent Progress of Simulation Study for Beam-Photoelectron Inst ability" Proceedings of MBI97. 163-169 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] S.Hiramatsu and H.Fukuma: "Solenoid Design to Sweep Photo-electrons at KEKB" Proceedings of MBI97. 301-304 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] M.Tobiyama and F.Kikutani: "Feedback Experiments in TRISTAN-AR and the Bunch by Bunch Feedback Systems for KEKB" Proceedings of MBI97. 305-313 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] E.Kikutani and M.Tobiyama: "Strategy for Developing Fast Bunch Feedback Systems for KEKB" Proceedings of PAC97. 2332-2334 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] E.Kikutani and M.Tobiyama: "Strategy for Developing Fast Bunch Feedback Systems for KEKB" Proceedings of PAC97. 2332-2334 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Q,Qin, Z.T.Wei, N.Huang, A.M.Xiao: "Dynamic Aperture Study on Beijingt-Charm Factory Design" Proceedings of PAC97. 1448-1450 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] C.Zhang, N.Huang, K.Hirata: "A Study on Beam-Beam Interactions for BTCF" Proceedings of PAC97. 1780-1782 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] BTCF Design Group, Presented by Y.Z.Wu: "Beijing Tau-Charm Factory Desing Study" Proceedings of PAC97. 321-323 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] F.Zhou, Z.Y.Guo, S.H.Wang, G.W.Wang, C.X.Tang: "Impedance Studies for BEPC" Proceedings of PAC97. 1729-1731 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] H.Fukuma, Y.H.Chin, S.Kato, E.Kikutani, S.Kurokawa, S.Matsumoto, K.Ohmi, Y.Suetsugu, M.Tobiyama, K.Yokoya and X.L.Zhang: "Expeiment on the Fast Beam-Ion Instability at the TRISTSAN AR" Proceedings of MB197. 1-22 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Z.Y.Guo, H.Huang, S.P.Li, D.K.Liu, L.Ma, Q.Qin, L.F.Wang, J.Q.Wang, S.H.Wang, C.Zhang, F.Zhou, Y.H.Chin, H.Fukuma, S.Hiramatsu, M.Izawa, T.Kasuga, E.Kikutani, Y.Kobayashi, S.Kurokawa, K.Ohmi, Y.Sato, Y.Suetsugu, M.Tobiyama, K.Yokoya, X.L.Zhang: "Experimental Study of the Beam-Photoelectron Instability in BEPC" Proceedings of MB197. 150-162 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] K.Ohmi: "Recent Progress of Simulation Study for Beam-Photoelectron Instability" Proceedings of MB197. 163-169 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] S.Hiramatsu and H.Fukuma: "Solenoid Design to Sweep Photo-electrons at KEKB" Proceedings of MB197. 301-304 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] M.Tobiyama andE.Kikutani: "Feedbacl Experiments in TRISTAN-AR and the Bunch by Bunch Feedback Systems for KEKB" Proceedings of MB197. 305-313 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] E.Kikutani and M.Tobiyama: "Strategy for Developing Fast Bunch Feedback Systems for KEKB" Proceedings of PAC97. 2332-2334 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] M.Tobiyama and E.Kikutani: "Study of Bunch by BunchFeedback System in TRISTAN-AR" Proceedings of PAC97. 2335-2337 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] H.Fukuma, Y.Chin, S.Kato, E.Kikutani, S.Kurokawa, S.Matsumoto, K.Ohmi, Y.Suetsugu, M.Tobiyama, K.Yokoya, X.L.Zhang: "Experimental Observations of the Ion-related Coupled Bunch Instability in a Bunch Train in TRISTAN AR" Proceedings of PAC97. 1596-1598 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Z.Y.Gou, K.Ohmi and H.Fukuma: "Simulation Study of the Beam-Photoelectron Instability in BEPC" Proceedings of EPAC98. 957-959 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] K.Hosoyama, K.Hara, A.Kabe, Y.Kojima, Y.MoritaH.Nakai, L.S.Peng, K.Ohkubo, H.Hattori and M.Inoue: "Superconducting Crab Cavity for KEKB" Proceedings of APAC98. (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] M.Tobiyama and E.Kikutani: "Bunch-by-Bunch Feedback Systems for KEKB Rings" Proceedings of APAC98. (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] K.Ohmi and S.Matsumoto: "Beam-Ion Instability in a Magnetic Field" Proceedings of APAC98. (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] K.Ohmi and S.Matsumoto: "Beam-Photoelectron instability at KEKB : Applying a Magnetic Field" Proceedings of APAC98. (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] K.Hosoyama, K.Hara, A.Kabe, Y.Kojima, Y.Morita, H.Nakai, K.Ohkubo, H.Hattori and M.Inoue: "Fabrication of a Full Scale Crab, Cavity for KEKB" To be published of Proceedings of the 6th Workshop on RF Superconductivity.

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] K.Hosoyama, H.Hara, A.Kabe, Y.Kojima, T.Ogitsu, Y.Morita, Y.Sakamoto, H.Nakai, T.Fujita and T.Kanekiyo: "Croyogenic System for TRISTAN Superconducting RF Cavities : Description and Operating Experience" Proceedings of ICEC/ICMC-16 Kitakyusyu Japan May. 183 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] C.Zhang: "Measurement of Local Longitudinal Loss Factor Using BPM in TRISTAN MR" Proceedings of EPAC96. 1075-1077 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] E.Kikutani, M.Tobiyama, S.Kurokawa: "Development of a High-Speed Digital Signal-Process Board for the KEKB Bunch Feedback Systems" Proceedings of EPAC96. 1893-1895 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Y.Minagawa, E.Kikutani, M.Tobiyama and S.Kurokawa: "A Systematic Study of a Transverse Feedback System with a Two-Tap Fir Filter" Proceedings of EPAC96. 1896-1898 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Z.Y.Guo, D.K.Liu, L.Ma, J.Q.Wang, S.H.Wang, C.Zhang, F.Zhou, H.Fukuma, Y.H.Chin, S.Hiramatsu, M.Izawa, T.Kasuga, E.Kikutani, Y.Kobayashi, S.Kurokawa, K.Ohmi, Y.Sato, Y.Suetsugu, M.Tobiyama, K.Yokoya, X.L.Zhang: "The Proposed Experimental Study on Beam-Photoelectron Interactions in BEPC" Proceedings of EPAC96. 1042-1044 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] T.Furuya, K.Akai, K.Asano, E.Ezura, K.Hara, K.Hosoyama, A.Kabe, Y.Kojima, S.Mitsunobu, Y.Morita, H.Nakanishi, T.Shishido, T.Tajima, T.Takahashi, T.Takashima, S.Yoshimoto, Y.Ishii, Y.Kijima, T.Murai and K.Sennyu: "A Prototype Module of a Superconducting Damped Cavity for KEKB" Proceedings of EPAC96. 2121-2123 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] S.mitsunobu, K.Asano, T.Furuya, Y.Ishii, Y.Kijima, K.Sennyu, T.Tajima, T.Takahashi and S.Zhao: "Status and Developments of Superconducting Cavity for KEKB" Proceedings of PAC97. 2908-2910 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] T.Furuya, K.Akai, K.Asano, E.Ezura, K.Hara, K.Hosoyama, A.kabe, Y.Kojima, S.Mitsunobu, Y.Morita, H.Nakai, H.Nakanishi, T.Tajima, T.Takahashi, S.Yoshimoto, S.Zhao, Y.Ishi, Y.Kijima, T.Murai and K.Sennyu: "Beam Test of a Superconducting Damped Cavity for KEKB" Proceedings of PAC97. 3078-3089 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] T.Tajima, K.Akai, K.Asano, T.Furuya, K.Hara, K.Hosoyama, A.Kabe, Y.Kojima, S.Mitsunobu, Y.Morita, T.Takahashi: "Beam Test Results on HOM Absorber of Superconducting Cavity for KEKB" Proceedings of PAC97. 3090-3092 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Z.Y.Guo, H.Huang, S.P.Li, D.K.Liu, L.Ma, Q.Qin, L.F.Wang, J.Q.Wang, S.H.Wang, C.Zhang, F.Zhou, YH.Chin, H.Fukuma, S.Hiramatsu, M.Izawa, T.Kasuga, E.Kikutani, Y.Kobayashi, S.Kurokawa, K.Ohmi, Y.Sato, Y.Suetsugu, M.Tobiyama, K.Yokoya, X.L.Zhang: "The Experimental Study on Beam-Photoelectron Instability in BEPC" Proceedings of PAC97. 1566-1568 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] L.F.Wang, C.Zhang, Z.Y.Guo and S.H.Wang: "Multibunch Collision Scheme in BEPC" Proceedings of PAC97. 1828-1830 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] L.Ma and P.Shi: "Upgrade of the BPM System for the BEPC Storage Ring" Proceedings of PAC97. 2075-2077 (1997)

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

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Published: 1999-12-08  

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