SVIBOR - Project code: 1-03-233

MINISTRY OF SCIENCE AND TECHNOLOGY

Strossmayerov trg 4, HR - 10000 ZAGREB
tel.: +385 1 459 44 44, fax: +385 1 459 44 69
E-mail: ured@znanost.hr

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Project code: 1-03-233


Structure of elementary particles and field theory


Main researcher: TADIĆ, DUBRAVKO (48880)


Assistants
Type of research: basic
Duration from: 01/01/91. to 01/01/93.
Papers on project (total): 59
Papers on project quoted in Current Contents: 34
Institution name: Prirodoslovno-matematički fakultet, Prirodoslovni odjeli, Zagreb (119)
Department/Institute: Physics department/Department of Theoretical Physics
Address: Bijenička cesta 32, 10000 Zagreb
City: 10000 - Zagreb, Croatia
Communication
Phone: 385 (1) 432-527
Fax: 385 (1) 432-525
Summary: Quark structure of elementary particles is used to describe baryons and mesons in electromagnetic and weak interactions. Special attention is devoted to weak decay processes and to the theoretical description of various CP nonconserving features such as direct CP violation in rare decays and electric dipole moments. Skyrmeon solitons, QCD approximations, instanton induced mass shifts and amplitudes, as well as quark bound state models of hadrons, are also studied. Some theoretical aspects of the neutrino physics are also investigated. Two dimensional integrable models and the related mathematical structures, such as quantum groups are also studied. Study of the random dynamics.

Keywords: standard model, quarks, mesons, baryons, relativistic quark-antiquark bound states, chiral-quark models, CP violation, rare decays, radiative, anomalous, off-shell, skyrmeons, solitons, instantons, quantum groups, quarks, electroweak, random dynamics

Research goals: Fundamental theoretical investigations of electromagnetic and weak interactions of baryons and mesons. Development of the relativistic-covariant quark models of hadrons. Chiral models and electroweak interactions. Research of rare decays. Overbridging the gap between description of processes on quark and hadronic level. Theoretical description of direct CP violation in a rare weak decays. Investigation of instanton effects in QCD. Description of relativistic bound state of quarks and antiquarks through Bethe-Salpeter and Schwinger-Dyson equations and using of the corresponding solutions for calculations of the meson decay and other processes. 2) Fundamental theoretical investigations of particular aspects of neutrino physics.Investigation of the quantum-gravity effects in neutrino phenomenology.Investigation of the role of discrete symmetries in the models of elementary particles and cosmological consequences of the spontaneous breaking of discrete symmetries. 3)Formulation and investigation of integrable models of statistical physics,invariant under the "quantum" groups.Investigation of some mathematical aspects of "quantum" groups ands their possible applications in physics. 4) Investigation of the lepton-violating processes in Majorana neutrino models.

COOPERATION - PROJECTS


  1. Name of project: NSF JF 899-31 Fermionic and bosonic degrees of freedom in hadrons, quarks and leptons
    Name of institution: U.S. National Science Fundation
    City: Washington, SAD

  2. Name of project: CI1*-CT91-0893(H SMU) Perturbative and nonperturbative aspects of QCD in weak decays,hadronic properties and stohastic techniques
    Name of institution: European Union
    City: Bruxelles, Belgija

  3. Name of project: NSF JFP-999 Quantum flavor dynamics and phenomenology
    Name of institution: U.S. National Science Foundation
    City: Washington, SAD

  4. Name of project: 6B0A1A Leptons
    Name of institution: International Bureau of Research Centre Juelich GmbH
    City: Juelich, Njemačka

COOPERATION - INSTITUTIONS


  1. Name of institution: Zavod za fiziku, Elektrotehnički fakultet
    Type of institution: University/Faculty
    Type of cooperation: Joint publishing of scientific papers
    City: 10000 - Zagreb, Croatia

  2. Name of institution: Institut Ruđer Bošković
    Type of institution: State institute
    Type of cooperation: Joint publishing of scientific papers
    City: 10000 - Zagreb, Croatia

  3. Name of institution: International Centre for Theoretical Physics
    Type of institution: International organization
    Type of cooperation: Occasional exchange of experts
    City: I-34100 - Trieste(Trst), Italija

  4. Name of institution: Scuola Internazionale Superiore di Studi Avanzati
    Type of institution: University/Faculty
    Type of cooperation: Occasional exchange of information
    City: I-34100 - Trieste(Trst), Italija

  5. Name of institution: Kurchatov Institute of Atomic Energy
    Type of institution: State institute
    Type of cooperation: Occasional exchange of information
    City: 123182 - Moskva, Rusija

  6. Name of institution: Sektion Physik der Universitat Muenchen
    Type of institution: University/Faculty
    Type of cooperation: Occasional exchange of information
    City: D-8000 - Muenchen, Njemačka

  7. Name of institution: Institute of Physics, Georgian Academy of Sciences
    Type of institution: University/Faculty
    Type of cooperation: Occasional exchange of information
    City: 380077 - Tbilisi, Gruzija

  8. Name of institution: Department of Physics and Astronomy, Northwestern university
    Type of institution: University/Faculty
    Type of cooperation: Occasional exchange of information
    City: 60208 - Evanston, Illinois, SAD

  9. Name of institution: Fermi National Laboratory
    Type of institution: State institute
    Type of cooperation: Occasional exchange of information
    City: 60510 - Batavia,Illinois, SAD

  10. Name of institution: Physics Department, University of Illinois at Chicago
    Type of institution: University/Faculty
    City: 60680 - Chicago, Illinois, SAD

  11. Name of institution: Theory Division, CERN
    Type of institution: International organization
    Type of cooperation: Occasional exchange of experts
    City: Ženeva, Švicarska

  12. Name of institution: Bartol Research Institute, University of Delaware
    Type of institution: University/Faculty
    Type of cooperation: Occasional exchange of information
    City: 19716 - Newark, Delaware, SAD

  13. Name of institution: Department of Physics, Universty of Maryland
    Type of institution: University/Faculty
    Type of cooperation: Occasional exchange of information
    City: 20742 - College Park, Maryland, SAD

  14. Name of institution: Institut fuer Physik, Universitat Mainz
    Type of institution: University/Faculty
    Type of cooperation: Occasional exchange of information
    City: Mainz, Njemačka

  15. Name of institution: Department of Physics, University of Oslo
    Type of institution: University/Faculty
    Type of cooperation: Joint publishing of scientific papers
    City: N-0316 - Oslo, Norveška

  16. Name of institution: Physics Department, University of Wisconsin
    Type of institution: University/Faculty
    Type of cooperation: Occasional exchange of information
    City: 53706 - Madison, Wisconsin, SAD

  17. Name of institution: Department of physics of Stony Brook University
    Type of institution: University/Faculty
    Type of cooperation: Joint project
    City: 11794 - New York, SAD

  18. Name of institution: Max Planck Institut fuer Kernphysik
    Type of institution: University/Faculty
    Type of cooperation: Joint project
    City: D-69120 - Heidelberg, Njemačka

  19. Name of institution: Universitat Bielefeld
    Type of institution: University/Faculty
    Type of cooperation: Joint project
    City: D-33501 - Bielefeld, Njemačka

  20. Name of institution: Instituto di fisica "Galileo Galilei", Universita degli studi di Padova
    Type of institution: University/Faculty
    Type of cooperation: Occasional exchange of information
    City: Padova, Italija

  21. Name of institution: Department of Theoretical Physics, University of Oxford
    Type of institution: University/Faculty
    Type of cooperation: Occasional exchange of information
    City: Oxford, Velika Britanija

  22. Name of institution: Max Planck Institut fuer Physik und Astrophysik
    Type of institution: University/Faculty
    Type of cooperation: Occasional exchange of information
    City: D-8000 - Muenchen, Njemačka

  23. Name of institution: Departement of Physics, Purdue University
    Type of institution: University/Faculty
    Type of cooperation: Joint project
    City: 47907 - West Lafayetta, Indiana, SAD

  24. Name of institution: Universitaet Siegen
    Type of institution: University/Faculty
    Type of cooperation: Occasional exchange of information
    City: 5900 - Siegen, Njemačka

  25. Name of institution: Department of Physics, National Taiwan University
    Type of institution: University/Faculty
    Type of cooperation: Occasional exchange of information
    City: Taipei, Taiwan

  26. Name of institution: Institute for Nuclear Theory, University of Washington
    Type of institution: University/Faculty
    Type of cooperation: Occasional exchange of information
    City: WA 98195 - Seattle, SAD

  27. Name of institution: Institut fuer Theoretische Physik, Universitaet Wien
    Type of institution: University/Faculty
    Type of cooperation: Occasional exchange of information
    City: 1090 - Beč, Austrija

  28. Name of institution: Department of Physics, University of Toronto
    Type of institution: University/Faculty
    Type of cooperation: Occasional exchange of information
    City: CA M5S1A7 - Toronto, Kanada

  29. Name of institution: Departemento de Fisica, Facultad Ciencias Exactas, Universidad Nacional de La Plata
    Type of institution: University/Faculty
    Type of cooperation: Occasional exchange of information
    City: 1900 - La Plata, Argentina

  30. Name of institution: Brookhaven National Laboratory
    Type of institution: State institute
    Type of cooperation: Occasional exchange of information
    City: Upton, SAD

  31. Name of institution: Departamento de Fisica, Universidad de Zaragoza
    Type of institution: University/Faculty
    Type of cooperation: Occasional exchange of information
    City: Zaragoza, Španjolska

  32. Name of institution: Institut fuer Theoretische Physik, Karl-Franzens-Universitaet
    Type of institution: University/Faculty
    City: 8101 - Graz, Austrija

  33. Name of institution: Institut "Jožef Štefan"
    Type of institution: State institute
    Type of cooperation: Occasional exchange of information
    City: 61000 - Ljubljana, Slovenija

  34. Name of institution: Department of High Energy Physics, University of Helsinki
    Type of institution: University/Faculty
    Type of cooperation: Occasional exchange of information
    City: 00170 - Helsinki, Finska

  35. Name of institution: SLAC, Stanford University
    Type of institution: University/Faculty
    Type of cooperation: Occasional exchange of information
    City: CA 94305 - Stanford, SAD

  36. Name of institution: Department of Physics, University of Cincinnati
    Type of institution: University/Faculty
    Type of cooperation: Occasional exchange of information
    City: 45221 - Cincinnati, Ohio, USA

  37. Name of institution: Department of Physics, University of Ljubljana
    Type of institution: University/Faculty
    Type of cooperation: Occasional exchange of information
    City: 61000 - Ljubljana, Slovenija

  38. Name of institution: Instituto Nazionale di Fisica Nucleare
    Type of institution: State institute
    Type of cooperation: Financial support
    City: Rim, Italija

  39. Name of institution: Oesterreichisches Kulturinstitut
    Type of institution: Institution whose primary activities ar
    Type of cooperation: Financial support
    City: 10000 - Zagreb, Croatia

  40. Name of institution: British Council
    Type of institution: Institution whose primary activities ar
    Type of cooperation: Financial support
    City: 10000 - Zagreb, Croatia
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