Research of supersymmetric theory with little hierarchy

• Project/Area Number: 19740144
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Particle/Nuclear/Cosmic ray/Astro physics
• Research Institution: Tohoku University
• Principal Investigator: OKUMURA Kenichi Tohoku University, 大学院・理学研究科, 助教 (40403935)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥2,170,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥270,000); Fiscal Year 2008: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000); Fiscal Year 2007: ¥1,000,000 (Direct Cost: ¥1,000,000)
• Keywords: 電弱対称性の破れ / 超対称性の破れ / 超対称粒子の質量 / deflected mirage mediation / 有効modular weight / accidentalな小さな階層性 / Mirage伝達 / Deflected anomaly伝達 / Axion

Research Abstract

超対称理論は標準理論を超える物理の最も有力な可能性とされてきたが、近年の実験の進歩により電弱対称性の破れと超対称性の破れのスケールの間の小さな階層性による微調整の問題が顕在化してきた。本研究課題ではこの小さな階層性を持った質量スペクトラムを持つ超対称理論の自然な実現を目指して超対称性の破れのmirage伝達模型の拡張の可能性を研究した。研究の過程で超対称性の破れのmirage伝達模型の拡張についてこれまでにない新しい知見を得る事が出来きた。

Research Products

• [Journal Article] Sparticle masses in deflected mirage mediation (2009)
  • Author(s): K. Choi, K. S. Jeong, S. Nakamura, K. i. Okumura and M. Yamaguchi
  • Journal Title: JHEP 0904 107 Pages: 1-36
  • Peer Reviewed
• [Journal Article] Sparticle masses in deflected mirage mediation (2009)
  • Author(s): Kiwoon Choi
  • Journal Title: Journal of High Energy Physics 0209 : 004 Pages: 1-36
  • Peer Reviewed
• [Journal Article] Flavor and CP conserving moduli mediated SUSY breaking in flux compactification (2008)
  • Author(s): K. Choi, K. S. Jeong and K. i. Okumura
  • Journal Title: JHEP 0807 047 Pages: 1-24
  • Peer Reviewed
• [Journal Article] Axionic Mirage Mediation (2008)
  • Author(s): S. Nakamura, K. i. Okumura and M. Yamaguchi
  • Journal Title: Phys. Rev. D D 77 115027 Pages: 1-18
  • Peer Reviewed
• [Journal Article] Axionic mirage mediation (2008)
  • Author(s): Shuntaro Nakamura
  • Journal Title: Physical Review D77 115027 Pages: 1-18
  • Peer Reviewed
• [Journal Article] Flavor and CP conserving moduli mediated SUSY breaking in flux com pactification (2008)
  • Author(s): Kiwoon Choi
  • Journal Title: Journal of High Energy Physics 0807 : 047 Pages: 1-24
  • Peer Reviewed
• [Presentation] Sparticle masses in deflected mirage mediation (2009)
  • Author(s): Ken-ichi Okumura
  • Organizer: KEK理論研究会(KEKPH09)
  • Place of Presentation: 高エネルギー 加速器研究機構
  • Year and Date: 2009-03-03
• [Presentation] Sparticle masses in deflected mirage mediation (2009)
  • Author(s): Ken-ichi Okumura
  • Organizer: KEK理論研究会(KEKPH509)
  • Place of Presentation: 高エネルギー加速器研究機構
  • Year and Date: 2009-03-03
• [Presentation] Deflecting the mirage mediation (2008)
  • Author(s): Ken-i Ken-ichi Okumura
  • Organizer: 日本物理学会2008年秋季大会
  • Place of Presentation: 山形大学
  • Year and Date: 2008-09-22
• [Presentation] Axino dark matter in mirage mediation (2008)
  • Author(s): Ken-ichi Okumura
  • Organizer: 4^<th> International Workshop on the Dark Side of the Univeres
  • Place of Presentation: The British University in Egypt
  • Year and Date: 2008-06-05
• [Presentation] Deflected anomaly mediation into mirage mediation (2007)
  • Author(s): Kenichi Okumura
  • Organizer: 日本物理学会2007年年次大会
  • Year and Date: 2007-09-24
• [Presentation] Deflected anomaly mediation into mirage mediation (2007)
  • Author(s): 奥村健一
  • Organizer: 日本物理学会
  • Place of Presentation: 北海道大学
  • Year and Date: 2007-09-24