Current Problems in Particle Physics and Cosmology: Proceedings of the Workshop on Current Problems in Particle Physics and Cosmology, Ioannina, Greece, 25-29 June 1990

Front Cover Current Problems in Particle Physics and Cosmology Copyright Page Table of Contents PREFACE CHAPTER 1. SEARCH FOR COSMIC AXIONS AND EXPERIMENTAL LIMITS ON LIGHT SCALARS/PSEUDOSCALARS PART I. Search for Cosmic Axions PART II. Limits on the Production of Light Scalar and Pseudoscalar Particles References CHAPTER 2. EXPERIMENTAL TESTS OF THE STANDARD MODEL USING THE RECENTLY COLLECTED UA2 DATA 1. Introduction 2. W, Z Boson Cross Section Measurme: tits, W-width 3. Transverse Momenta Distributions of the W and Z Bosons 4. Measurement of the SM Parameters 5. Mass Spectroscopy with Jets References CHAPTER 3. THE CURRENT STATUS OF THE 0" GLUEBALL REFERENCES CHAPTER 4. ON THE NEUTRINO MAGNETIC MOMENT PHENOMENOLOGY 1. INTRODUCTION 2. THE NEUTRINO MAGNETIC MOMENT INTHE GUT SO(10) 3. REVIEW OF SOME MORE EXOTIC MODELS 4. NEUTRINO EVOLUTION EQUATIONS IN THE PRESENCE OF μv 5. NEUTRINO HILICITY FLIP IN A MEDIUM 6. EXPERIMENTAL BOUNDS ON μv 7. CONCLUSIONS REFERENCES CHAPTER 5. HEAVY TOP QUARK, FERMION MIXINGS AND ALL THAT 1. INTRODUCTION 2. SO(10) SUPPLEMENTED BY U(1)PQ 3. THIRD AND SECOND GENERATION MASSES AND MIXING 4. FIRST GENERATION MASSES AND MIXINGS 5. NEUTRINO SECTOR ACKNOWLEDGMENTS REFERENCES CHAPTER 6. ELECTROWEAK MULTI-PARTICLE-PRODUCTION AT TeV ENERGIES? GEOMETRICAL FLAVOUR INTERACTIONS AT VERY HIGH ENERGIES THE QCD-QFD ANALOGY TOTAL INELASTIC MULTIPARTICLE CROSS SECTIONS THRESHOLD ENERGY REFERENCES CHAPTER 7. RARE B DECAYS IN MINIMAL AND NON-MINIMAL SUPERSYMMETRY References CHAPTER 8. SUPERSYMMETRY BREAKING AND DYNAMICAL DETERMINATION OF SUPERSTRING PARAMETERS 1 BRIEF REVIEW 2 GENERAL RESULTS 3 A NEW PERSPECTIVE FOR SUPERSYMMETRY BREAKING 4 SUMMARY AND CONCLUSIONS ACKNOWLEDGEMENTS REFERENCES CHAPTER 9. FOUR-DIMENSIONAL STRINGS AND LOW ENERGY PREDICTIONS ABSTRACT REFERENCES CHAPTER 10. PHENOMENOLOGICAL IMPLICATIONS OF THE FLIPPED SU (5) x U{1) SUPERSTRING MODEL 1. Introduction 2. (U(1))4 breakdown 3. SU(5) x U(1)1 breaking 4.Non-renormalizable superpotential terms and the fermion mass martix 5.Calculation of the top-quark mass REFERENCES CHAPTER 11. WEYL INVARIANCE BEYOND THE LEADING ORDER IN THE SUPERSYMMETRIC σ- MODEL WITH DILATON 1. INTRODUCTION 2. THE N=1 SUPERSYMMETRIC σ- MODEL 3. CALCULATION OF THE RENORMALIZATION GROUP BETA FUNCTIONS 4.COSMOLOGICAL CONSEQUENCES 5.CONCLUSIONS ACKNOWLEDGEMENTS REFERENCES CHAPTER 12. GRAVITY FROM SUPERSTRINGS 1 INTRODUCTION 2 SCALAR-TENSOR THEORIES OF GRAVITY 3 SCALAR-TENSOR THEORIES OF GRAVITY FROM STRINGS 4 BOUNDING THE PHYSICAL THEORY OF GRAVITY 5 CONCLUSION ACKNOWLEDGEMENTS References CHAPTER 13. NATURAL ORIGINS OF SMALL NUMBERS AND FAMILY REPLICATION THROUGH SUPERSYMMETRY AND COMPOSITENESS II. The model III. Origin of Small Numbers Associated With Ratios of Mass Scales: An Overview IV. Family Replication Footnotes References CHAPTER 14. NEXT TO LEADING N CALCULATIONS IN THE GROSS-NEVEU MODEL l. INTRODUCTION 2. THE β FUNCTION 3. EVALUATION OF THE HIGHEST N TERM 4. CONCLUSIONS REFERENCES CHAPTER 14. 2-DIM. GRAVITY AND STRING THEORY REFERENCES CHAPTER 15. PARISI-SOURLAS MECHANISM AND DIMENSIONAL REDUCTION IN THE BOSONIC STRING 1. INTRODUCTION 2. FROM CONFORMAL TO LIGHT-CONE GAUGE BY SIMPLE INTEGRATIONS 3. DIMENSIONAL REDUCTION MECHANISM IN PATH-INTEGRAL FORMULATION 4. CANONICAL FORMALISM 5. CONCLUSION ACKNOWLEDGEMENTS REFERENCES CHAPTER 16. A QUANTUM MECHANICAL ANALOGUE FOR THE Q-OSCILLATOR REFERENCES CHAPTER 17. SOME APPLICATIONS OF KAC MOODY ALGEBRAS DEFINED ON A SUPER MANIFOLD 1 Introduction and general results 2 Applications 3 Conclusion and outlooks References LIST OF PARTICIPANTS AUTHOR INDEX GENERAL INFORMATION