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Elementary Processes at High Energy Pt B

1st Edition - January 1, 1971

Editor: A Zichichi

Hardback ISBN:

9 7 8 - 0 - 1 2 - 7 8 0 5 8 7 - 0

eBook ISBN:

9 7 8 - 0 - 3 2 3 - 1 5 0 4 3 - 9

Elementary Processes at High Energy, Part B documents the proceedings of the eighth Course of the International School of Subnuclear Physics, held in Erice, Italy in July 1970.… Read more

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Elementary Processes at High Energy, Part B documents the proceedings of the eighth Course of the International School of Subnuclear Physics, held in Erice, Italy in July 1970. The said conference is devoted to different areas of great influence and importance to the field of particle physics. The book is divided into three parts. Part I covers specialized topics such as the status of some relevant problems in nuclear physics; possible failure of the Pomeranchuk Theorem; and external fields in the Lee-Wick Theory. Part II discusses the future of high-energy physics, and Part III is the closing lecture, which includes the history and present status of weak interactions. The text is recommended for physicists who would like to know more about the advancements and the general direction of research in particle physics, high-energy physics, and related fields.

Contents

Part A

Contributors

Foreword

Opening Lecture

N. Cabibbo: Electron Positron Annihilations

1. Introduction

2. The Single Photon Channel

3. New Particles and the Photon Propagator

4. Weak Interactions

5. Annihilation Into Hadrons

6. Hadron Processes at Higher Energies

References

Discussion

Theoretical Lectures

A. Martin: Rigorous Results From Field Theory and Unitarity

1. Introduction

2. Review of Field Theoretical Results On Scattering Amplitude

3. Positivity and Extension Of Dispersion Relations

4. Upper Bounds On The High Energy Amplitudes

4.1. The Spinless Case

4.2. Superconvergence Relations

4.3. Generalizations of The Froissart Bound to Nondiagonal Processes

5. The Question of The Pomeranchuk Theorem

6. Lower Bounds On The Forward Amplitude

7. Lower Bounds For Large Momentum Transfers: Form Factors and Large-angle

Scattering

Bibliography

References

Discussion 1

Discussion 2

Discussion 3

T. D. Lee: A Finite Theory Of Quantum Electrodynamics

1. Introduction

2. Indefinite Metric and Unitarity

3. Modified Photon Field

4. Modified Fermion Field

5. Feynman Diagrams

6. Experimental Consequences

7. Causality

8. Remarks

References

Discussion 1

Discussion 2

G. Veneziano: Narrow-Resonance Models Compatible with Duality and Their Developments

Introduction

1. Duality and Dual Resonance Models

2. The 4-Point Function, Derivation and Properties

3. The n-Point Function For Scalar Particles

3.1. Crossing, Duality and Projective Transformations

3.2. Koba-Nielsen Form

3.3. Chan Form

3.4. Properties

4. The Group Of Projective Transformations

5. Manifestly Dual Formulation with Operators

5.1. Level Structure and States Of Negative Norm

5.2. Duality Properties

5.3. Ward Identities and Ghost Cancellation

6. Further Developments

6.1. Developments At The Tree-Approximation Level

6.2 Unitarization Attempts

References

Discussion 1

Discussion 2

Discussion 3

?. Harari: Models For Hadronic Reactions: Duality, Absorption and Quarks

1. Introduction

2. Concluding Remarks

References

Discussion 1

Discussion 2

Discussion 3

Discussion 4

Review Lectures

W. Thirring: Why Is Gravitation Fascinating?

1. Introduction

2. Orders of Magnitude

3. Gravitational Collapse

4. Gravitational Radiation

5. Strong Universality

6. The Equivalence Principle

6.1. Constant Gravitational Potential

6.2. Constant Gravitational Field

6.3. Strong and Weak Equivalence

Bibliography

References

Discussion 1

Discussion 2

W. Thirring: A Trip Behind The Schwarzschild Radius

A Trip Behind The Schwarzschild Radius

References

T. D. Lee: Remarks On The