Study of effective theories for superstring and solutions for μ problem at TeV regions

2008 Fiscal Year Final Research Report

• Project/Area Number: 17540246
• 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: Kanazawa University
• Principal Investigator: SUEMATSU Daijiro Kanazawa University, 数物科学系, 教授 (90206384)
• Project Period (FY): 2005 – 2008
• Keywords: 超弦理論 / 超対称性 / μ問題 / 暗黒物質 / ニュートリノ / CP対称性の破れ

Research Abstract

超弦理論の低エネルギー有効理論として期待されるTeV領域に付加的U(1)対称性を持つ模型の現象論的特性やニュートリノ質量の起源を中心課題として標準模型を越える理論構造の探索を行った。その結果、超対称模型における新たな暗黒物質の提案、ニュートリノ質量の起源と暗黒物質が関係する可能性の指摘、物質の起源についての新たな可能性の提案、超対称性の破れについての新たな可能性とその現象論的特徴の解明などの研究成果を得た。

Research Products

• [Journal Article] Reconciliation of CDM abundance and μ→ e γ in a radiative seesaw model (2009)
  • Author(s): D.Suematsu, T.Toma and T.Yoshida
  • Journal Title: arXiv : 0903.0287 [hep-ph]
• [Journal Article] Fermion triplet dark matter and radiative neutrino mass (2009)
  • Author(s): E.Ma and D.Suematsu
  • Journal Title: Mod. Phys. Lett A24 Pages: 583-589
  • Peer Reviewed
• [Journal Article] Radiative seesaw model : Warm dark matter, collider signatures, and lepton flavor violating signals (2009)
  • Author(s): D.A.Sierra, J.Kubo, D.Restrepo, D.Suematsu and O.Zepata
  • Journal Title: Phys. Rev D79 Pages: 013011-1-10
  • Peer Reviewed
• [Journal Article] Dark matter and leptogenesis in a non-SUSY model for neutrino masses (2008)
  • Author(s): D.Suematsu
  • Journal Title: J. Phys. : Conf. Ser 136 Pages: 042025
  • Peer Reviewed
• [Journal Article] Leptgenesis and dark matter unified in a non-SUSY model for neutrino masses (2008)
  • Author(s): D.Suematsu
  • Journal Title: Eur. Phys. J C56 Pages: 379-387
  • Peer Reviewed
• [Journal Article] Phenomenological features in a model with non-universal gaugino CP phases (2007)
  • Author(s): D.Suematsu
  • Journal Title: Eur. Phys. J C52 Pages: 211-221
  • Peer Reviewed
• [Journal Article] Supersymmetric extra U(1)models with a singlino dominated LSP (2007)
  • Author(s): S.Nakamura and D.Suematsu
  • Journal Title: Phy. Rev D75 Pages: 055004-1-16
  • Peer Reviewed
• [Journal Article] Neutrino masses and CDM in a non-supersymmetric model (2006)
  • Author(s): J.Kubo, D.Suematsu
  • Journal Title: Pjhys. Lett B643 Pages: 336-341
  • Peer Reviewed
• [Journal Article] SUSY breaking based on Abelian gaugino kinetic term mixings (2006)
  • Author(s): D.Suematsu
  • Journal Title: JHEP 0611 Pages: 029-1-8
  • Peer Reviewed
• [Journal Article] Cold Dark Matter, Radiative Neutrino Mass, mu→e gamma, and Neutrinoless Double Beta Decay (2006)
  • Author(s): J.Kubo, E.Ma and D.Suematsu
  • Journal Title: Phys. Lett B642 Pages: 18-23
  • Peer Reviewed
• [Journal Article] Dark world and baryon asymmetry from a common source (2006)
  • Author(s): D.Suematsu
  • Journal Title: JCAP 0601 Pages: 026-1-21
  • Peer Reviewed
• [Journal Article] Singlino dominated lightest supersymmetric particle as a CDM candidate in supersymmetric models with an extra U(1) (2006)
  • Author(s): D.Suematsu
  • Journal Title: Phys. Rev D73 Pages: 035010-1-12
  • Peer Reviewed
• [Journal Article] Non-thermal production of baryon and dark matter (2006)
  • Author(s): D.Suematsu
  • Journal Title: Astropart. Phys 24 Pages: 511-519
  • Peer Reviewed
• [Journal Article] μ-term as the origin of lepton number asymmetry (2005)
  • Author(s): D.Suematsu
  • Journal Title: J. Phys G31 Pages: 445-458
  • Peer Reviewed
• [Journal Article] Neutrino Texture saturating the CP asymmetry (2005)
  • Author(s): T.Baba and D.Suematsu
  • Journal Title: Phys. Rev D71 Pages: 073005-1-10
  • Peer Reviewed
• [Presentation] coannihilation の効果による残留量とダークマター (2008)
  • Author(s): 末松大二郎, 藤間崇, 吉田哲郎
  • Organizer: 2008年度日本物理学会北陸支部定例学術講演会
  • Place of Presentation: 福井
  • Year and Date: 2008-11-29
• [Presentation] E6模型のニュートリノ質量 (2008)
  • Author(s): 末松大二郎, 藤間崇, 吉田哲郎
  • Organizer: 2008年度日本物理学会北陸支部定例学術講演会
  • Place of Presentation: 福井
  • Year and Date: 2008-11-29
• [Presentation] Phenomenology of extended gauge mediated supersymmetry breaking model (2008)
  • Author(s): 福岡寛規, 中村悟史, 末松大二郎
  • Organizer: 日本物理学会2008年秋季大会
  • Place of Presentation: 山形
  • Year and Date: 2008-09-22
• [Presentation] Dark matter and leptgenesis in a non-SUSY model for neutrino masses (2008)
  • Author(s): D. Suematsu
  • Organizer: Neutrino 2008
  • Place of Presentation: Christchurch, NZ
  • Year and Date: 2008-05-26
• [Presentation] 超対称 Extra U(1)模型におけるシングリーノ暗黒物質の起源 (2007)
  • Author(s): 中村悟史, 末松大二郎
  • Organizer: 日本物理学会第62回年次大会
  • Place of Presentation: 札幌
  • Year and Date: 2007-09-24
• [Presentation] 超対称 Extra U(1)模型におけるシングリーノ暗黒物質の直接検出について (2007)
  • Author(s): 中村悟史, 末松大二郎
  • Organizer: 日本物理学会2007年春季大会
  • Place of Presentation: 東京
  • Year and Date: 2007-03-27
• [Presentation] A CDM Candidate in Supersymmetric Extra U(1) Models (2006)
  • Author(s): S. Nakamura and Daijiro Suematsu
  • Organizer: Neutrino 2006
  • Place of Presentation: Santa Fe, USA
  • Year and Date: 2006-06-16
• [Presentation] 暗黒物質に基づく Extra U(1)超対称模型の解析 (2006)
  • Author(s): 中村悟史, 末松大二郎
  • Organizer: 日本物理学会第61回年次大会
  • Place of Presentation: 愛媛
  • Year and Date: 2006-03-27
• [Presentation] extra U(1)超対称模型におけるシングリーノ優勢な暗黒物質 (2005)
  • Author(s): 中村悟史, 末松大二郎
  • Organizer: 2005年度日本物理学会北陸支部定例学術講演会
  • Place of Presentation: 福井
  • Year and Date: 2005-12-03
• [Remarks] 末松大二郎, 「小林・益川理論:粒子反粒子対称性の破れ」, 2008年度ノーベル物理学賞受賞記念講演会, 2008.10.30, 金沢大学自然科学研究科
• [Remarks] 末松大二郎, 「宇宙と素粒子の世界-暗黒物質で作られた宇宙-」, 2007.7.11, 福井県立美方高等学校
• [Remarks] 末松大二郎, 「暗黒物質から成り立っている宇宙」, 2006.9.28, 富山県立南砺総合高等学校福野高等学校