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Deconstructed extra dimensions and the electroweak symmetry breaking particle phenomenology

Research Project

Project/Area Number 20540263
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Particle/Nuclear/Cosmic ray/Astro physics
Research InstitutionNagoya University

Principal Investigator

TANABASHI Masaharu  名古屋大学, 基礎理論研究センター, 教授 (00270398)

Project Period (FY) 2008 – 2010
Project Status Completed (Fiscal Year 2010)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2010: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2009: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2008: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
KeywordsKKモード / Zbbバーテックス / カイラル摂動論 / ヒッグスレス模型 / ユニタリティー / 余剰次元 / 電弱精密測定 / 非線形シグマ模型 / ユニタリティ
Research Abstract

What is the physics hidden behind the origin of elementary particle masses? The Higgs potential causes the hierarchy problem in the Standard Model and it is therefore theoretically unsatisfactory. We explored the possibility of "Higgsless" theories, achieving the electroweak symmetry breaking without invoking an Higgs scalar particle, in the deconstructed extra dimension framework. It was explicitly demonstrated that such a model can be constructed consistently with the electroweak and flavor precision tests. We also discussed the structure of the longitudinal gauge boson scattering and the collider phenomenology in such a model. These results were reported in refereed jounal papers and at international conferences.

Report

(4 results)
  • 2010 Annual Research Report   Final Research Report ( PDF )
  • 2009 Annual Research Report
  • 2008 Annual Research Report
  • Research Products

    (33 results)

All 2012 2011 2010 2009 2008

All Journal Article (12 results) (of which Peer Reviewed: 12 results) Presentation (20 results) Book (1 results)

  • [Journal Article] The flavor structure of the three-site Higgsless model2012

    • Author(s)
      T.Abe, R.S.Chivukula, E.H.Simmons, M.Tanabashi
    • Journal Title

      Physical Review D

      Volume: 85 Pages: 35015-35015

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Review of Particle Physics2010

    • Author(s)
      K. Nakamura, et al
    • Journal Title

      J. Phys

      Volume: G37 Pages: 75021-75021

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] Review of particle physics2010

    • Author(s)
      K.Nakamura, et al
    • Journal Title

      J.Phys.G

      Volume: 37 Pages: 75021-75021

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Z-> b bbar and Chiral Currents in Higgsless Models2009

    • Author(s)
      T. Abe, R. S. Chivukula, N. D. Christensen, K. Hsieh, S. Matsuzaki, E. H. Simmons, M. Tanabashi
    • Journal Title

      Phys. Rev.

      Volume: D79 Pages: 75016-75016

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] W_L W_L Scattering in Higgsless Models : Identifying Better Effective Theories2009

    • Author(s)
      A. S. Belyaev, R. S. Chivukula, N. D. Christensen, H.-J. He, M. Kurachi, E. H. Simmons, M. Tanabashi
    • Journal Title

      Phys. Rev.

      Volume: D80 Pages: 55022-55022

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] Z->bbbar and chiral currents in Higgsless models2009

    • Author(s)
      T.Abe, R.S.Chivukula, N.D.Christensen, K.Hsieh, S.Matsuzaki, E.H.Simmons, M.Tanabashi
    • Journal Title

      Physical Review D 79

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] W_L W_L scattering in Higgsless models : Identifying better effective theories2009

    • Author(s)
      A.S.Belyaev, R.S.Chivukula, N.D.Christensen, H.-J.He, M.Kurachi, E.H.Simmons, M.Tanabashi
    • Journal Title

      Physical Review D 80

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Does the three site Higgsless model survive the electroweak precision tests at loop?2008

    • Author(s)
      T. Abe, S. Matsuzaki, M. Tanabashi
    • Journal Title

      Phys. Rev.

      Volume: D78 Pages: 55020-55020

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] Review of Particle Physics2008

    • Author(s)
      C. Armsler, et al.
    • Journal Title

      Phys. Lett.

      Volume: B667 Pages: 1-1340

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] General Sum Rules for WW Scattering in Higgsless Models : Equivalence Theorem and Deconstruction Identities2008

    • Author(s)
      R. S. Chivukula, H.-J. He, M. Kurachi, E. H. Simmons, M. Tanabashi
    • Journal Title

      Phys. Rev.

      Volume: D78 Pages: 95003-95003

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] Does the three site Higgsless model survive the electroweak precision tests at one loop?2008

    • Author(s)
      T. Abe, S. Matsuzaki, M. Tanabashi
    • Journal Title

      Physical Review D 78

      Pages: 55020-55020

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] General sum rules for WW scattering in Higgsless models : equivalence theorem and deconstruction identities2008

    • Author(s)
      R. S. Chivukula, H. -J. He, M. Kurachi, E. H. Simmons, M. Tanabashi
    • Journal Title

      Physical Review D 78

      Pages: 95003-95003

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Presentation] Review:強結合EWSB模型Tecnicolor and Higgsless2011

    • Author(s)
      棚橋誠治
    • Organizer
      基研研究会電弱対称性の自発的破れ
    • Place of Presentation
      京都大学基礎物理学研究所
    • Year and Date
      2011-03-11
    • Related Report
      2010 Annual Research Report
  • [Presentation] Higgsless confronts electroweak and flavor precision tests2010

    • Author(s)
      Masaharu Tanabashi
    • Organizer
      1^<st> International Conferene on LHC Era Physics
    • Place of Presentation
      Guangxi U.Nanning, China
    • Year and Date
      2010-11-15
    • Related Report
      2010 Annual Research Report
  • [Presentation] Higgs or Higgsless? From a unitarity viewpoint2010

    • Author(s)
      Masaharu Tanabashi
    • Organizer
      Institute of Theoretical Physics
    • Place of Presentation
      CAS, Beijing, P. R. China
    • Year and Date
      2010-08-25
    • Related Report
      2010 Final Research Report
  • [Presentation] Higgsless confronts electroweak and flavor precision tests2010

    • Author(s)
      Masaharu Tanabashi
    • Organizer
      International Conferene on LHC Physics
    • Place of Presentation
      Tsinghua U.Beijing
    • Year and Date
      2010-08-16
    • Related Report
      2010 Annual Research Report
  • [Presentation] ヒッグスレス模型と電弱およびフレーバー精密測定2010

    • Author(s)
      棚橋誠治
    • Organizer
      金沢大学富山大学合同セミナー
    • Year and Date
      2010-05-28
    • Related Report
      2010 Final Research Report
  • [Presentation] Higgs or Higgsless? From a unitarity viewpoint2010

    • Author(s)
      棚橋誠治
    • Organizer
      新潟冬の研究会
    • Place of Presentation
      越後湯沢
    • Year and Date
      2010-01-08
    • Related Report
      2010 Final Research Report
  • [Presentation] Higgs of Higgsless? From a unitarity viewpoint2010

    • Author(s)
      棚橋誠治
    • Organizer
      新潟 冬の研究会2010
    • Place of Presentation
      越後湯沢
    • Year and Date
      2010-01-08
    • Related Report
      2009 Annual Research Report
  • [Presentation] Higgsless confronts electroweak and flavor precisiontests2010

    • Author(s)
      Masaharu Tanabashi
    • Organizer
      International Conference and Summer School on LHC Physics
    • Place of Presentation
      Tsinghua University, Beijing, P. R. China
    • Related Report
      2010 Final Research Report
  • [Presentation] Higgsless confronts electrowe ak and flavor precision tests2010

    • Author(s)
      Masaharu Tanabashi
    • Organizer
      1st International Workshop on LHC Era Physics(LHEP) in 2010
    • Place of Presentation
      Nanning, P. R. China
    • Related Report
      2010 Final Research Report
  • [Presentation] Higgs or Higgsless? From a unitarity viewpoint2009

    • Author(s)
      Masaharu Tanabashi
    • Place of Presentation
      Pusan National University
    • Year and Date
      2009-11-13
    • Related Report
      2010 Final Research Report
  • [Presentation] Higgs or Higgsless? From a unitarity viewpoint, Composite Higgs/Higgsless models and related topic toward LHC era2009

    • Author(s)
      Masaharu Tanabashi
    • Organizer
      KEK theory center mini-workshop
    • Year and Date
      2009-10-29
    • Related Report
      2010 Final Research Report
  • [Presentation] Higgs of Higgsless? From a unitarity viewpoint2009

    • Author(s)
      棚橋誠治
    • Organizer
      KEK theory center mini-workshop
    • Place of Presentation
      KEK
    • Year and Date
      2009-10-29
    • Related Report
      2009 Annual Research Report
  • [Presentation] 余剰次元への扉を開く,小林・益川理論を超えて2009

    • Author(s)
      棚橋誠治
    • Organizer
      第17回名古屋大学理学懇話会
    • Year and Date
      2009-06-13
    • Related Report
      2010 Final Research Report
  • [Presentation] ヒッグスレス模型と余剰次元, LHCが切り拓く新しい物理2009

    • Author(s)
      棚橋誠治
    • Organizer
      実験理論共同研究会
    • Place of Presentation
      東京大学
    • Year and Date
      2009-04-02
    • Related Report
      2010 Final Research Report
  • [Presentation] ヒッグスレス模型と余剰次元2009

    • Author(s)
      棚橋誠治
    • Organizer
      LHCが切り拓く新しい物理
    • Place of Presentation
      東京大学
    • Year and Date
      2009-04-02
    • Related Report
      2009 Annual Research Report
  • [Presentation] Higgs or Higgsless? From a unitarity viewpoint, New Developments of Flavor Physics 20092009

    • Author(s)
      Masaharu Tanabashi
    • Organizer
      Workshop
    • Place of Presentation
      Gamagohri, Japan
    • Year and Date
      2009-03-10
    • Related Report
      2010 Final Research Report
  • [Presentation] Higgs or Higgsless? From a uniarity viewpoint2009

    • Author(s)
      M. Tanabashi
    • Organizer
      Workshop "New Developments for Flavor Physics" 2009
    • Place of Presentation
      蒲郡
    • Year and Date
      2009-03-10
    • Related Report
      2008 Annual Research Report
  • [Presentation] General Sum Rules for WW Scattering in Higgsless Models2008

    • Author(s)
      棚橋誠治
    • Place of Presentation
      東北大学セミナー
    • Year and Date
      2008-12-09
    • Related Report
      2010 Final Research Report
  • [Presentation] General Sum Rules for WW Scattering in Higgsless Models2008

    • Author(s)
      棚橋誠治
    • Organizer
      余剰次元模型の理論的枠組み研究会
    • Place of Presentation
      理化学研究所
    • Year and Date
      2008-12-06
    • Related Report
      2010 Final Research Report
  • [Presentation] General sum rulesfor WW scattering in Higgsless models2008

    • Author(s)
      M. Tanabashi
    • Organizer
      理研集中セミナー「余剰次元模型の理論的枠組み」
    • Place of Presentation
      理研
    • Year and Date
      2008-12-06
    • Related Report
      2008 Annual Research Report
  • [Book] Strong coupling gauge theories in LHC era.2009

    • Author(s)
      H. Fukaya, M. Harada, M. Tanabashi, K. Yamawaki
    • Publisher
      Proceeding International Workshop
    • Related Report
      2010 Final Research Report

URL: 

Published: 2008-04-01   Modified: 2016-04-21  

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