Hierarchy Problem in String Theory

• Project/Area Number: 19540268
• 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: The University of Tokyo
• Principal Investigator: KAWANO Teruhiko The University of Tokyo, 大学院・理学系研究科, 助教 (20292831)
• Project Period (FY): 2007 – 2010
• Project Status: Completed (Fiscal Year 2010)
• Budget Amount: ¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000); Fiscal Year 2010: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000); Fiscal Year 2009: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000); Fiscal Year 2008: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000); Fiscal Year 2007: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
• Keywords: String Theory / 標準模型 / 超対称性 / 階層性問題 / コンパクト化

Research Abstract

Based on the method of a spectrum surface in F-Theory, we explored calcualtions to obtain the Yukawa couplings in a generic situation, and we also disucssed the proton decay in the compactifications, where we have found a possible way to avoid the dimension 4 operators.

Research Products

• [Journal Article] Flavor Structure in F-Theory Compactifications (2010)
  • Author(s): 林博貴、川野輝彦、土屋陽一、渡利泰山
  • Journal Title: JHEP 1008 Pages: 36-36
• [Journal Article] More on Dimension-4 Proton Decay Problem in F-Theory--Spectral Surface, Discriminant Locus and Monodromy (2010)
  • Author(s): 林博貴、川野輝彦、土屋陽一、渡利泰山
  • Journal Title: Nucl.Phys.B 840 Pages: 304-304
• [Journal Article] Flavor Structure in F-Theory Compactifications (2010)
  • Author(s): 林博貴、川野輝彦、土屋陽一、渡利泰山
  • Journal Title: Journal of High Energy Physics Volume: 1008(掲載碓定)
  • Peer Reviewed
• [Journal Article] More on Dimension-4 Proton Decay Problem in F-Theory-Spectral Surface, Discriminant Locus and Monodromy (2010)
  • Author(s): 林博貴、川野輝彦、土屋陽一、渡利泰山
  • Journal Title: Nuclear Physics B Volume: 840 Pages: 304-348
  • Peer Reviewed
• [Journal Article] Codimension-3 Singularities and Yukawa Couplings in F-theory (2009)
  • Author(s): 林博貴、川野輝彦、Rado Tatar、渡利泰山
  • Journal Title: Nucl.Phys.B 823 Pages: 47-47
• [Journal Article] 準安定真空による超対称性の破れ (2009)
  • Author(s): 川野輝彦
  • Journal Title: 日本物理学会誌 64(1) Pages: 29-29
  • NAID: 110007008191
• [Journal Article] Codimension-3 Singularities and Yukawa Couplings in F-theory (2009)
  • Author(s): 林博貴, 川野輝彦, Rado Tatar, 渡利泰山
  • Journal Title: Nuclear Physics B823 Pages: 47-115
  • Peer Reviewed
• [Journal Article] Chaotic D-term inflation (2008)
  • Author(s): 川野輝彦
  • Journal Title: Progress of Theoretical Physics 120 Pages: 793-795
  • NAID: 110006967887
  • Peer Reviewed
• [Journal Article] Reheating in Chaotic D-Term Inflation (2008)
  • Author(s): 川野輝彦、山口昌英
  • Journal Title: Physical Review D78
  • Peer Reviewed
• [Journal Article] Gauge Mediation in String Theory (2007)
  • Author(s): 川野輝彦、大栗博司、大河内豊
  • Journal Title: Phys.Lett.B 652 Pages: 40-40
• [Journal Article] Gauge Mediation in String Theory (2007)
  • Author(s): 川野輝彦、大栗博、大河内豊
  • Journal Title: Physics Letter B 652 Pages: 40-42
  • Peer Reviewed
• [Journal Article] Supersymmetric N=1 spin(10)gauge theory with two spinors via a-maximization (2007)
  • Author(s): 川野輝彦、八木太
  • Journal Title: Nuclear Physics B 786 Pages: 135-151
  • Peer Reviewed
• [Presentation] F-Theory and Grand Unification (2009)
  • Author(s): 川野輝彦
  • Organizer: 日本物理学会
• [Presentation] Meta-Stable Supersymmetry Breaking in String Theory (2007)
  • Author(s): 川野 輝彦
  • Organizer: 日本物理学会
  • Place of Presentation: 北海道大学
  • Year and Date: 2007-09-22
• [Presentation] Meta-Stable Supersymmetry Breaking in String Theory (2007)
  • Author(s): 川野輝彦
  • Organizer: 日本物理学会
  • Place of Presentation: 北海道大学(企画講演)
• [Remarks] ホームページ等