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Phenomenological studies of unitarity in the electroweak symmetry breaking sector

Research Project

Project/Area Number 23540298
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
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) 2011-04-28 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2014: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2013: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2012: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2011: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywords素粒子質量の起源 / ヒッグス / ユニタリティー / 電弱精密測定 / フレーバー精密測定 / コライダー物理
Outline of Final Research Achievements

What is the origin of elementary particle masses? Higgs boson is the particle predicted in the Standard Model to have spin-0. Its interactions cannot be determined by the gauge principle. On the other hand, the Higgs interactions play important roles to keep the unitarity of the longitudinal gauge boson scattering amplitudes and the renormalizability of the theory. If the measured values of the Higgs couplings would turn out to deviate from the Standard Model predictions, we need to introduce new physics to keep the unitarity and the renormalizability. We discussed this possibility using model independent framework. These results were reported in refereed journal papers and at international conferences.

Report

(5 results)
  • 2014 Annual Research Report   Final Research Report ( PDF )
  • 2013 Research-status Report
  • 2012 Research-status Report
  • 2011 Research-status Report
  • Research Products

    (10 results)

All 2015 2014 2013 2012 2011

All Journal Article (4 results) (of which Peer Reviewed: 4 results,  Open Access: 2 results,  Acknowledgement Compliant: 2 results) Presentation (6 results) (of which Invited: 1 results)

  • [Journal Article] Does unitaryity imply the finitess of electroweak oblique corrections at one loop? Constraining extra neutrall Higgs bosons2015

    • Author(s)
      R.Nagai, M.Tanabashi, K.Tsumura
    • Journal Title

      Phys.Rev.D

      Volume: 91 Issue: 3 Pages: 034030-034030

    • DOI

      10.1103/physrevd.91.034030

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Review of Particle Physics2014

    • Author(s)
      Particle Data Group Collaboration
    • Journal Title

      Chin.Phys.

      Volume: C38 Issue: 9 Pages: 1676-1676

    • DOI

      10.1088/1674-1137/38/9/090001

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Review of Particle Physics2012

    • Author(s)
      J. Beringer
    • Journal Title

      Physical Review D

      Volume: 86 Issue: 1 Pages: 10001-10001

    • DOI

      10.1103/physrevd.86.010001

    • Related Report
      2012 Research-status Report
    • Peer Reviewed
  • [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
      2011 Research-status Report
    • Peer Reviewed
  • [Presentation] Constraining extra neutral Higgs bosons from unitarity and the electroweak precision data2014

    • Author(s)
      M. Tanabashi
    • Organizer
      The 2nd KIAS-NCTS Joint Workshop on Particle Physics, String Theory and Cosmology
    • Place of Presentation
      Taipei
    • Year and Date
      2014-12-26 – 2014-12-28
    • Related Report
      2014 Annual Research Report
    • Invited
  • [Presentation] 名古屋大学坂田記念史料室の現状2014

    • Author(s)
      棚橋誠治
    • Organizer
      日本物理学会年次大会
    • Place of Presentation
      東海大学
    • Related Report
      2013 Research-status Report
  • [Presentation] LHCでヒッグス以外見えないき何をすべきか2013

    • Author(s)
      棚橋誠治
    • Organizer
      先端加速器LHCが切り拓くテラスケールの素粒子物理学
    • Place of Presentation
      名古屋大学
    • Related Report
      2013 Research-status Report
  • [Presentation] 素粒子質量の起源とユニタリティー2012

    • Author(s)
      棚橋誠治
    • Organizer
      九州大学素粒子理論シンポジウム「質量起源と階層性」(招待講演)
    • Place of Presentation
      福岡
    • Related Report
      2011 Research-status Report
  • [Presentation] Longitudinal W boson scattering revisited2012

    • Author(s)
      M. Tanabashi
    • Organizer
      Workshop on Particle Physics of the Dark Universe(招待講演)
    • Place of Presentation
      IPMU
    • Related Report
      2011 Research-status Report
  • [Presentation] Flavors of three-site Higgsless2011

    • Author(s)
      M. Tanabashi
    • Organizer
      International Workshop: Extra Dimensions in the Era of LHC(招待講演)
    • Place of Presentation
      Osaka, Japan
    • Related Report
      2011 Research-status Report

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Published: 2011-08-05   Modified: 2019-07-29  

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