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Theoretical Study of Particles and Fields

Research Project

Project/Area Number 06045009
Research Category

Grant-in-Aid for international Scientific Research

Allocation TypeSingle-year Grants
SectionUniversity-to-University Cooperative Research
Research InstitutionUniversity of Tokyo

Principal Investigator

FUJIKAWA Kazuo  Graduate School of Science, University of Tokyo, Professor, 大学院・理学系研究科, 教授 (30013436)

Co-Investigator(Kenkyū-buntansha) VERLINDE Erik  Theory Division, CERN,Professor, 理論部, 教授
ALVAREZーGAVM ゴーメ ルイス  欧州原子核研究機構, 理論部, 教授
VENEZIANO Ga  欧州原子核研究機構, 理論部, 主任教授
ELLIS John  Theory Division, CERN,Professor, 理論部, 教授
KATO Mitsuhiro  Graduate School of Arts and Sciences, Univ.of Tokyo, Associate Professor, 大学院・総合文化研究科, 助教授 (80185876)
TSUTSUI Izumi  Inst.of Nuclear Study, Univ.of Tokyo, Associate Professor, 原子核研究所, 助教授 (10262106)
OGAWA Kaku  Graduate School of Science, Univ.of Tokyo, Research associate, 大学院・理学系研究科, 助手 (90194430)
YANAGIDA Tsutomu  Graduate School of Science, Univ.of Tokyo, Professor, 大学院・理学系研究科, 教授 (10125677)
EGUCHI Tohru  Graduate School of Science, Univ.of Tokyo, Professor, 大学院・理学系研究科, 教授 (20151970)
ALVAREZ-GAUME Lovis  Theory Division, CERN,Professor
VEREZIANA Gabriel  Theory Division, CERN,Chairperson
ERIK Verlind  欧州原子核研究機構, 理論部, 教授
LOUIS Alvane  欧州原子核研究機構, 理論部, 教授
GABRIEL Vene  欧州原子核研究機構, 理論部, 主任教授
JOHN Ellis  欧州原子核研究機構, 理論部, 教授
VERLINDE Eri  欧州原子核研究機構, 教授
ALVAREZーGOUM ゴーメ ルイス  欧州原子核研究機構, 教授
VENEZIANO Go  欧州原子核研究機構, 教授
山田 篤志  東京大学, 大学院・理学系研究科, 助手 (10251399)
磯 暁  東京大学, 大学院・理学系研究科, 助手 (20242092)
LAVIS Alvare  欧州原子核研究機構, 理論部, 教授
GABRIL Venez  欧州原子核研究機構, 理論部, 主任教授
Project Period (FY) 1994 – 1996
Project Status Completed (Fiscal Year 1996)
Budget Amount *help
¥5,600,000 (Direct Cost: ¥5,600,000)
Fiscal Year 1996: ¥1,800,000 (Direct Cost: ¥1,800,000)
Fiscal Year 1995: ¥1,800,000 (Direct Cost: ¥1,800,000)
Fiscal Year 1994: ¥2,000,000 (Direct Cost: ¥2,000,000)
Keywordsstandard model / chiral symmetry / grand unification / supersymmetry / conformal symmetry / string theory / quantum gravity / proton decay / Elo)群 / duality / topology / index定理 / 光の位相演算子 / LEP / LHC / 超弦理論 / 超対称模型 / 可解模型 / 行列模型 / 超対称ゲージ理論
Research Abstract

The major purpose of this project is to understand the basic constituents of the Nature and their properties, together with the basic theoretical framework of particle physics.
For this purpose, Fujikawa together with Yamada studied the chiral structure of quarks, in particular, the top quark. On the basis of the experimental data from electron-positron annihilation, it has been shown that the chiral structure of the top quark holds quite accurately. Motivated by this analysis, Fujikawa also studied a model of quarks and leptons and their chiral structure.
T.Eguchi together with his collaborators clarified the basic issues related to the dynamics of supersymmetric gauge theories. The conformal properties of supersymmetric Yang-Mills thoeries with or without matters have been clearly analyzed. Also, some of field theoretical properties in 4 as well as 3 and 5 dimensional space-time have been clarified by incorporating the string theoretical view point. He also studied several fundamental issues related to string theory and quantum gravity.
T.Yanagida together with his collaborators studied various aspects of super-symmetric extension of the standard model. In particular, he made an analyis related to the issue of the hierarchy problem in the grand unification scheme. He put forward a possible scheme which may eventually solve why the physics at the present energies and the physics at the grand unification scale can be unified in a natural theoretical framework, without inducing large proton decay. He also analyzed the basic issue of supersymmetry breaking mechanism.
It should be emphasized that the visitors from CERN provided extremely stimulative information to our theory group.

Report

(4 results)
  • 1996 Annual Research Report   Final Research Report Summary
  • 1995 Annual Research Report
  • 1994 Annual Research Report
  • Research Products

    (58 results)

All Other

All Publications (58 results)

  • [Publications] 藤川和男: "Test of the chiral structure of the top-bottom charged current by the process b→sr" Physical Review. D49. 5890-5893 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] 藤川和男: "A vector-like extension of the standard model" Progress of Theoretical Physics. 92. 1149-1160 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] 藤川和男: "Snalytic index and chiral fermions" Indian Journal of Physics. 70A. 275-291 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] 藤川和男: "BRST symmetric formulation of a theory with Gribov-type copies" Nuclear Physics. B468. 355-379 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] 江口 徹: "Toda latlice hierarchy and the topological description of the C=1 string theory" Physics Letters. B331. 330-334 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] 江口 徹: "On the genus expansion of the topological string theory" Review of mathematical Physics. 3. 279-309 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] 江口 徹: "Prepotentials in supersymmetric gauge theories and soliton equations" Modern Physics Letters. A11. 131-138 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] 江口 徹: "Study of N=2 super conformal field theories in 4-dimensions" Nuclear Physics. B471. 430-442 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] 江口 徹: "Gravitational quantum cohomology" To appear in Intermational Journal in modern physics A. (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] 久野純治: "Limit on the color-triplet Higgs mass in the mininum supersymmetric SU(5) model" Modern Physics Letters. A10. 2267-2278 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] 久野純治: "Lepton-flavor violation in the supersymmetric standard model with see-sow induced neutrino masses" Physics Letters. B357. 579-587 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] 井沢健一: "Dynamical supersymmetry breaking in vector-like gauge theories" Progress of Theoretical Physics. 95. 829-830 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] 堀田智洋: "Dynamical models for light Higgs dovblets in supersymmetric grand unified theories" Physical Review. D53. 3913-3919 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] 堀田智洋: "Non-sbelian duality and Higgs multiplets in supersymmetric grand unified theories" Progress of Theoretical Physics. 95. 949-962 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] K.Fujikawa: "Test of the chiral structure of the top-bottom charged current by the process b*S2" Physical Review. D49. 5890-5893 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] K.Fujikawa: "A vector-like extension of the standard model" Progress of Theoretical Physics. 92. 1149-1160 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] K.Fujikawa: "Analitic index and chiral fermions" Indian Journal of Physics. 70A. 275-291 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] K.Fujikawa: "BRST symmetric formulation of a theory with Gribov-type copies" Nuclear Physics. B468. 355-379 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] T.Eguchi: "Toda lattice hierarchy and the topological description of the c=1 string theory" Physics Letters. B331. 330-334 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] T.Eguchi: "On the genus expansion of the topological string theory" Review of Mathematical Physics. 3. 279-309 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] T.Eguchi: "Prepotentials in supersymmetric gauge theories and soliton equations" Modern Physics Letters. A11. 131-138 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] T.Eguchi: "Study of N=2 super conformal field theories in 4-dimensions" Nuclear Physics. B471. 430-442 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] T.Eguchi: "Gravitational quantum cohomology To appear in" International Journal in Modern Physics A. (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] J.Hisano: "Limit on the color-triplet Higgs mass in the minimum supersymmetric SU (5) model" Modern Physics Letters. A10. 2267-2278 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] J.Hisano: "Lepton-flavor violation in the supersymmetric standard model with see saw induced neutrine masses" Physics Letters. B357. 579-587 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] K.Izawa: "Dynamical supersymmeticy breaking in vecter-like gauge theories" Progress of Theoretical Physics. 95. 829-830 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] T.Hotta: "Dynamical models for light Higgs doublets in supersymmetric grand unified theories" Physical Review. D53. 3913-3919 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] T.Hotta: "Non-Abelian duality and Higgs multiplets in supersymmetric grand unifild theories" Progress of Theoretical Physics. 95. 949-962 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] 藤川和男: "Test of the chiral structure of the top-bottom chayged currant by the process b→sγ" Physical Review. D49・11. 5890-5893 (1994)

    • Related Report
      1996 Annual Research Report
  • [Publications] 藤川和男: "A vectol-like exrension of the standarf model" Progress of Theoretical physics. 92・6. 1149-1160 (1994)

    • Related Report
      1996 Annual Research Report
  • [Publications] 藤川和男: "Analytic index and chiral fermions" Indian Journal of Physics. 70A・3. 275-291 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] 藤川和男: "BRST symnetric formulation of a theory with Gribou-type copies" Nuclear Physics. B468・2. 355-379 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] 江口徹: "Toda latteice hierarchy and the topological description of the C=1 string theory" Physics Letters. B331・2. 330-334 (1994)

    • Related Report
      1996 Annual Research Report
  • [Publications] 江口徹: "On the genus expanscon of the topslogical string theory" Review of Machematical physics. 3・1. 279-309 (1995)

    • Related Report
      1996 Annual Research Report
  • [Publications] 江口徹: "Prepotentrals in supersymmctric gauge theories and soliton equations" Modern physics Letters. AII・1. 131-138 (1995)

    • Related Report
      1996 Annual Research Report
  • [Publications] 江口徹: "Study of N=2 superconformal field theories in 4-dimensions" Nucleal physics. B471-2. 430-442 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] 江口徹: "Gravitational quantun cohomology" To appear in International Journal in Modern Physics A. (1997)

    • Related Report
      1996 Annual Research Report
  • [Publications] 久野純治: "Limit on the color-triplst Higgs mass in the minimum supecrymmetric SU(5) model" Moclern physics Letters. A10・30. 2267-2278 (1995)

    • Related Report
      1996 Annual Research Report
  • [Publications] 久野純治: "Lepton-flavor violation in the supersymnitric standard model with see-saw induceal neutrino masses" physics Letters. B357・3. 579-587 (1995)

    • Related Report
      1996 Annual Research Report
  • [Publications] 井沢健一: "Dynamical supersymmetry breaking in vector-like gaugethesino" Progress of Theoretrcal physics. 95・4. 829-830 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] 堀田智洋: "Dynamical models for light Hoggs doublets in supersymmetric grand unified theories" physical Review. D53・7. 3913-3919 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] 堀田智洋: "Non-Abelian duality and Huggs multiplets in supersymmetric grand unifred thesries" Progress of Thcoretical plysics. 95・5. 949-962 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] K.Fujikawa: "Phase operator for the photon fiald and and index theorem" Phys.Rev.A52. 3299 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] K.Fujikawa,L.C.Kwek and C.H.oh: "Q-dpfovmed Oscillator Algebla and on index theorem for the phroton phase operator" Mod.Phys.Lett.A10. 2543 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] S.Iso: "Anyon basis of C=1 confornal field theory" Nacl.phys.B443. 581-595 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] J.Hetric,Y.Hosotani and S.Iso: "Massive Multi flavor Schwingor Model" Phys.Lett.B350. 92-102 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] Al.Sanda and A.Yamada: "New method for determining lunb/Vtsl by the prscesses B→peu and B→K^<k->el" Phys.Rev.Lett.75. 2807-2810 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] M Drees and A.Yamada: "Decsive Test of superstvirg inspived E(6)" Phys.Rev.D. (1996)

    • Related Report
      1995 Annual Research Report
  • [Publications] T.Eguchi: "The topological CP1 model and the large N matrix integral" Modem Physics Letters. A9. 2893-2902 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] T.Eguchi: "On the genus expansion in the topological string theory" Reviews in Mathematical Physics掲載予定.

    • Related Report
      1994 Annual Research Report
  • [Publications] T.Eguchi: "Toda lattice hierachy and the topological description of the c=1 string theory" Physics Letters. B331. 330-334 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] K.Fujikawa: "A vector like extension of the standard model" Progress of Theoretical Physics. 92. 1149-1160 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] K.Fujikawa: "Generalized Pauli-Villars regularization of the covariant form of anomalies" Nuclear Physics. B428. 169-188 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] K.S.Babu: "Constraints on left-right symmetric models from the process b→sg" Physics Letters. B333. 196-201 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] K.Fujikawa: "Test of the chiral structure of the top-bottom charged currnt by the process b→sg" Physics Review. D49. 5890-5893 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] H.Aoki: "The effect of dynamical gauge field on the chiral fermion on a boundary" Modern Physics Letters. A9. 1755-1766 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] H.Azuma: "Explicit relation of quantum Hall effect and Calogero-Satherland model" Physics Letters. B331. 107-113 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] A.Yamada: "Higgs sector of the minimal supersymetric standard model including radiative corrections" Zeitschrift Fur Physik. C61. 247-263 (1994)

    • Related Report
      1994 Annual Research Report

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Published: 1994-04-01   Modified: 2016-04-21  

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