An Introductory Course of Particle Physics  book cover
1st Edition

An Introductory Course of Particle Physics

ISBN 9781482216981
Published July 29, 2014 by CRC Press
816 Pages 121 B/W Illustrations

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Book Description

For graduate students unfamiliar with particle physics, An Introductory Course of Particle Physics teaches the basic techniques and fundamental theories related to the subject. It gives students the competence to work out various properties of fundamental particles, such as scattering cross-section and lifetime. The book also gives a lucid summary of the main ideas involved.

In giving students a taste of fundamental interactions among elementary particles, the author does not assume any prior knowledge of quantum field theory. He presents a brief introduction that supplies students with the necessary tools without seriously getting into the nitty-gritty of quantum field theory, and then explores advanced topics in detail. The book then discusses group theory, and in this case the author assumes that students are familiar with the basic definitions and properties of a group, and even SU(2) and its representations. With this foundation established, he goes on to discuss representations of continuous groups bigger than SU(2) in detail.

The material is presented at a level that M.Sc. and Ph.D. students can understand, with exercises throughout the text at points at which performing the exercises would be most beneficial. Anyone teaching a one-semester course will probably have to choose from the topics covered, because this text also contains advanced material that might not be covered within a semester due to lack of time. Thus it provides the teaching tool with the flexibility to customize the course to suit your needs.

Table of Contents

Scope of Particle Physics
What are elementary particles?
Inventory of Elementary Fermions
Which Properties?
Fundamental Interactions
High Energy Physics
Relativity and Quantum Theory
Natural Units
Plan of the book

Relativistic Kinematics
Lorentz Transformation Equations
Vectors and Tensors on Spacetime
Velocity, Momentum and Energy
Invariances and Conservation Laws
Kinematics of Decays
Kinematics of Scattering Processes

Symmetries and Groups
The Role of Symmetries
Group Theory
Examples and Classification
Lorentz Group
Poincaré Group

A brisk Tour of Quantum Field Theory
Motivating quantum fields
Plane wave solutions
Making Lorentz Invariants with Fields
Lagrangians for Free Fields
Noether Currents and Charges
Quantum Fields as Operators
From Lagrangian to Feynman rules
Calculation of Decay Rates
Calculation of Cross-Sections
Differential Decay Rates and Cross-Sections
Feynman Diagrams Which Do Not Represent Physical Amplitudes

Quantum Electrodynamics
Gauge Invariance
Interaction Vertex
Elastic Scattering at Second Order
Inelastic Scattering at Second Order
Scalar QED
Multi-Photon States
Higher Order Effects

Parity and Charge Conjugation
Discrete Symmetries in Classical Electrodynamics
Parity Transformation of Fields
Charge Conjugation
Parity Properties of Particle States
Charge Conjugation Properties of Particle States
Multi-Photon States
Parity Assignment of Different Particles
Signature of Parity Violation
Consequences of Charge Conjugation Symmetry
CP Symmetry

Time-Reversal and CPT Symmetries
Anti-Unitary Operators
Time Reversal Transformation on Fields
CPT Transformation on Fields
CPT Theorem
Consequences of CPT Symmetry
Time Reversal Transformation on States
Signature of Time Reversal Violation

Nuclear Energy Levels
Isospin Symmetry
Isospin Relations
Generalized Pauli Principle
Isospin and Quarks

Pion-Nucleon Interaction

Isospin breaking

Baryon Number

Discovering Particles
Discoveries of Electron, Proton and Neutron
New Particles in Cosmic Rays
Hadronic Zoo
Detecting Short-Lived Particles
Discovering Leptons
Overview of Particle Physics Experiments

SU(3) quark model
Strange quark
Mesons from three flavors of quarks
Baryons from three flavors of quarks
U-spin and V -spin
SU(3) breaking and mass relations
Electromagnetic properties in SU(3)
Decays of hadrons
Summary of conservation laws

Non-Abelian Gauge Theories
Local SU(N) invariance
Gauge fields
Self-interaction of gauge bosons
Fadeev–Popov ghosts
Interaction of gauge bosons with other particles

Quantum Chromodynamics
SU(3) of Color
Running Parameters
QCD Lagrangian
Perturbative QCD
The 1/N expansion
Lattice Gauge Theory
Asymptotic Properties of Color Gauge Fields

Structure of hadrons
Electron-Proton Elastic Scattering
Deep Inelastic Scattering
Structure Functions and Charge Distribution
Parton Distribution Functions
Parton Distribution and Cross-Section
Scale Dependence of Parton Distribution
Quark Masses

Fermi Theory of Weak Interactions
Four-Fermion Interaction
Helicity and Chirality
Fierz Transformations
Elastic Neutrino-Electron Scattering
Inelastic Neutrino-Electron Scattering
Muon and Tau Decay
Parity Violation
Problems with Fermi Theory
Intermediate Vector Bosons

Spontaneous Symmetry Breaking
Examples of Spontaneous Symmetry Breaking
Goldstone Theorem
Interaction of Goldstone Bosons
Higgs Mechanism

Standard Electroweak Model with Leptons
Chiral Fermions and Internal Symmetries
Leptons and the Gauge Group
Symmetry Breaking
Gauge Interaction of Fermions
Yukawa Sector
Connection with Fermi Theory
Forward-Backward Asymmetry

Electroweak Interaction of Hadrons
Quarks in Standard Model
Gauge Interaction of Quarks
CKM Matrix and Its Parametrization
Yukawa Interaction of quarks
Leptonic decays of Mesons
Spin and Parity of Hadronic Currents
Selection Rules for Charged Currents
Semileptonic Decays of Mesons
Neutral Kaons
Processes Involving Baryons

Global symmetries of standard model
Accidental symmetries
Approximate symmetries
Chiral symmetries

Bosons of Standard Model
Interactions among Bosons
Decay of Gauge Bosons
Scattering of Gauge Bosons
Equivalence Theorem
Custodial Symmetry
Loop Corrections
Higgs Boson

Hadrons Involving Heavy Quark Flavors
Charm Quark and Charmed Hadrons
Bottom Quark
Neutral Meson-Antimeson Systems
Top Quark
Quark Masses
Heavy Quark Effective Theory

CP Violation
CP Violation and Complex Parameters
Kobayashi-Maskawa Theory of CP Violation
Rephasing Invariant Formulation
CP-Violating Decays of Kaons
Other Signals of CP Violation
Unitarity Triangle
CP Violation and T Violation
Strong CP Problem

Neutrino Mass and Lepton Mixing
Simple Extension of Standard Model
Neutrino Oscillation
Majorana Fermions
Consequences of Lepton Mixing
Lepton Number Violation
Models of Neutrino Mass

Beyond the Standard Model
Shortcomings of Standard Model
Left-Right Symmetric Model
Grand Unified Theories
Horizontal Symmetry
Higher Dimensional Theories
String Theory

A Units and Constants
B Short summary of particle properties
C Timeline of major advances in particle physics
D Properties of spacetime
E Clebsch-Gordan co-efficients
F Dirac matrices and spinors
G Evaluation of loop integrals
H Feynman rules for standard model
I Books and other reviews
J Answers to selected exercises


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"… a pedagogical, thorough, and enjoyable introduction to this fascinating subject. … a carefully written textbook on the Standard Model in the post-LHC era, at the level of a graduate-level course. … Theorists and phenomenologists with an interest in particle physics would also do well to acquire a copy. … The biggest strength of this book is its pedagogical clarity. … Apart from the pedagogical value for novices, the later chapters of the book are interesting for active high-energy physicists as well … as a textbook, Palash Pal’s tome on particle physics is accessibly written for serious beginning students, and is a great addition to the bookshelves of seasoned scientists interested in the phenomenological foundations of the Standard Model."
Current Science, April 2015