Strong Interactions in Spacelike and Timelike Domains
Dispersive Approach
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Strong Interactions in Spacelike and Timelike Domains: Dispersive Approach provides the theoretical basis for the description of the strong interactions in the spacelike and timelike domains. The book primarily focuses on the hadronic vacuum polarization function, R-ratio of electron-positron annihilation into hadrons, and the Adler function, which govern a variety of the strong interaction processes at various energy scales. Specifically, the book presents the essentials of the dispersion relations for these functions, recaps their perturbative calculation, and delineates the dispersively improved perturbation theory. The book also elucidates the peculiarities of the continuation of the spacelike perturbative results into the timelike domain, which is indispensable for the studies of electron-positron annihilation into hadrons and the related processes.
Key Features
- Covers the topics that play an essential role in contemporary particle physics and future collider projects
- Applicable for self-education alongside standard textbooks
- Makes the subject easily accessible without the need of an extensive theoretical background
Readership
Graduate and postgraduate students, university lecturers, and researchers working in the fields of high energy physics, particle physics, quantum chromodynamics, and mathematical physics
Table of Contents
Chapter 1: Basic Dispersion Relations
- Abstract
- 1.1 R-Ratio of Electron-Positron Annihilation Into Hadrons
- 1.2 Hadronic Vacuum Polarization Function Π(q2)
- 1.3 Adler Function D(Q2)
Chapter 2: Perturbative QCD Invariant Charge
- Abstract
- 2.1 Renormalization Group Equation
- 2.2 One-Loop Perturbative QCD Running Coupling
- 2.3 QCD Invariant Charge at Higher Loop Levels
Chapter 3: Functions Π(q2), R(s), and D(Q2) Within Perturbative Approach
- Abstract
- 3.1 Hadronic Vacuum Polarization Function Within Perturbative Approach
- 3.2 Adler Function Within Perturbative Approach
- 3.3 R-Ratio Within Perturbative Approach
Chapter 4: Dispersive Approach to QCD
- Abstract
- 4.1 Unified Integral Representations for Functions Π(q2), R(s), and D(Q2)
- 4.2 Spectral Density
- 4.3 Note on the Massless Limit
Chapter 5: Functions Π(q2), R(s), and D(Q2) Within Dispersive Approach
- Abstract
- 5.1 Hadronic Vacuum Polarization Function Within DPT
- 5.2 R-Ratio Within DPT
- 5.3 Adler Function Within DPT
Chapter 6: R-Ratio at High Energies
- Abstract
- 6.1 Appearance of the π2-Terms
- 6.2 General Features
- 6.3 Higher-Order Estimations
Conclusions
Appendix A: Perturbative QCD Running Coupling
Appendix B: Perturbative Spectral Function
Appendix C: Perturbative Approximation of R-Ratio
Product details
- No. of pages: 222
- Language: English
- Copyright: © Elsevier 2016
- Published: November 14, 2016
- Imprint: Elsevier
- Paperback ISBN: 9780128034392
- eBook ISBN: 9780128034484
About the Author
Alexander V. Nesterenko
Dr. Alexander V. Nesterenko is a senior researcher at the Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, Dubna, Russian Federation. He graduated with honors from Moscow State University where he obtained a PhD in theoretical physics. He was a Post-Doctoral researcher at the Ecole Polytechnique, France, and University of Valencia, Spain. He actively works in the area of the theoretical particle physics and is a referee for several APS and IOP journals. An experienced lecturer in Quantum Field Theory and Quantum Chromodynamics, he has published two textbooks based on his lecture course.
Affiliations and Expertise
Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, Dubna, Russia