Development of energy compression for short-lived secondary particles

2008 Fiscal Year Final Research Report

• Project/Area Number: 19540292
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Particle/Nuclear/Cosmic ray/Astro physics
• Research Institution: Osaka University
• Principal Investigator: ITAHASHI Takahisa Osaka University, 大学院・理学研究科, 招へい研究員 (20112071)
• Co-Investigator(Kenkyū-buntansha): KUNO Yoshitaka 大阪大学, 大学院・理学研究科, 教授 (30170020) ; SATO Akira 大阪大学, 大学院・理学研究科, 助教 (40362610)
• Project Period (FY): 2007 – 2008
• Keywords: ミューオン / 位相空間回転 / アルファー粒子

Research Abstract

本研究では6-セクターのFFAGリングを用いて、短寿命二次粒子のエネルギー幅圧縮法の開発研究を行った。ミューオンの生成は高いエネルギーの加速器で生成された陽子ビームによって行われるが、本研究では実験で用いられるミューオンの運動量の等価な粒子剛性を有するアルファー粒子を用いて行った。キッカー電極を製作しアルファー粒子を縦方向から入射することに成功した。アルファー粒子を高周波加速空洞で加速そのエネルギー分布から位相空間回転の実験の緒を開いた。パルス化装置の製作を完了した。

Research Products

• [Journal Article] Injection study for 6-sector PRISM FFAG by using pulsed alpha particles from Am-source (2009)
  • Author(s): Takahisa Itahashi, Yousuke Takubo, Chihiro Ohmori, Akira Sato, Yasushi Arimoto, Makoto Yoshida, Akihito Nakanishi, Masaharu Aoki, Toshiyuki Oki, Yasutoshi Kuriyama, Yousuke Eguchi, and Yoshitaka Kuno
  • Journal Title: Jour. of the Korean Physical Soc. 54 Pages: 323-327
  • Peer Reviewed
• [Presentation] Six-sector FFAG Ring to Demonstrate Bunch Rotation for PRISM. (2008)
  • Author(s): A. Sato, T.Itahashi, Y.Kuno et.al.
  • Organizer: In the Proceedings of 11th European Particle Accelerator Conference (EPAC 08),(EPAC08-THPP 007)(pp THPP007)
  • Place of Presentation: Magazzini del Cotone, Genoa, Italy
  • Year and Date: 2008-06-26
• [Presentation] Construction of Six-sector FFAG Ring for Muon Phase Rotation (2008)
  • Author(s): Y. Arimoto, T.Itahashi A.Sato. Y.Kuno
  • Organizer: In the Proceedings of 11th European Particle Accelerator Conference (EPAC 08)(EPAC08-THPP071)(pp THPP071)
  • Place of Presentation: Magazzini del Cotone, Genoa, Italy
  • Year and Date: 2008-06-26
• [Presentation] Extinction Monitor by Using a Dissociation of Hydrogen Molecule to Atoms with High Energy Proton Beam (2008)
  • Author(s): T. Itahashi, M. Aoki, Y. Arimoto, Y. Kuno, A. Sato, M. Y. Yoshida
  • Organizer: JunIn the Proceedings of 11th European Particle Accelerator Conference (EPAC 08)(EPAC08-THPP072)(pp THPP072)
  • Place of Presentation: Magazzini del Cotone, Genoa, Italy
  • Year and Date: 2008-06-26
• [Presentation] J-PARC Accelerator Scheme for Muon to Electron Conversion Search (2008)
  • Author(s): M. Tomizawa, M. Aoki, T. Itahashi
  • Organizer: In the Proceedings of 11th European Particle Accelerator Conference (EPAC 08), (EPAC08-MOPC128)(pp MOPC128)
  • Place of Presentation: Magazzini del Cotone, Genoa, Italy
  • Year and Date: 2008-06-23
• [Presentation] High Field Gradient RF System for Bunch Rotation in PRISM-FFAG (2008)
  • Author(s): C.Ohmori, M.Aoki, Y.Arimoto, T.Itahashi, Y.Kuno, Y.Kuriyama, A.Sato, M.Y.Yoshida, Y.Iwashita, Y.Mori
  • Organizer: In the Proceedings of 11th European Particle Accelerator Conference (EPAC 08), (EPAC08-MOPP103)(pp MOPP103)
  • Place of Presentation: Magazzini del Cotone, Genoa, Italy
  • Year and Date: 2008-06-23