Simulation Study of Emittance Growth from Coulomb Collisions in Low-Temperature Ion Beams

• Yuri Yosuke

  Takasaki Advanced Radiation Research Institute, Japan Atomic Energy Agency

• Okamoto Hiromi

  Graduate School of Advanced Sciences of Matter, Hiroshima University

• Sugimoto Hiroshi

  Graduate School of Advanced Sciences of Matter, Hiroshima University

抄録

We systematically investigate the collisional heating process of space-charge-dominated coasting ion beams in a storage ring using the molecular dynamics simulation technique. To evaluate the heating rate over the whole temperature range, we start from an ultralow-emittance state where the beam is Coulomb crystallized, apply perturbation to it, and follow the emittance evolution until the beam comes to a regular high-temperature state. The dependence of the heating behavior on various machine and beam parameters, such as the line density, betatron tune, kinetic energy, mass number, and charge state of ions, is explored systematically. The parameter dependence of the heating behavior can be combined, in several cases, into the Coulomb coupling constant. An approximate formula is given for the magnitude of emittance at which the collisional heating is maximized.

収録刊行物

• Ｊｏｕｒｎａｌ　ｏｆ　ｔｈｅ　Ｐｈｙｓｉｃａｌ　Ｓｏｃｉｅｔｙ　ｏｆ　Ｊａｐａｎ

  Ｊｏｕｒｎａｌ　ｏｆ　ｔｈｅ　Ｐｈｙｓｉｃａｌ　Ｓｏｃｉｅｔｙ　ｏｆ　Ｊａｐａｎ 78 (12), 124501-124501, 2009

  一般社団法人 日本物理学会

キーワード

• space-charge-dominated beams
• storage ring
• intrabeam scattering
• Coulomb coupling
• beam cooling
• crystalline beams

詳細情報

• CRID: 1390001204196785664
• NII論文ID: 130005437180
• NII論文ID: 40016879648
• NII論文ID: 210000108121
• NII書誌ID: AA00704814
• DOI: 10.1143/jpsj.78.124501
• ISSN: 13474073
• ISSN: 00319015
• NDL書誌ID: 10480279
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I10480279
• Web Site: http://journals.jps.jp/doi/pdf/10.1143/JPSJ.78.124501
• 本文言語コード: en
• データソース種別:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可