A Perspective of Resonant Tunneling; L.L. Chang. Materials and Band-Structure Effects: Epitaxial Growth of Atomically Smooth GaAs/AlxGa1xAs Interfaces for Resonant Tunneling; K. Ploog. MBE Growth of High Performance GaAs/GaAlAs and InGaAs/GaAlAs Double Barrier Quantum Well Structures for Resonant Tunneling Devices; H. Riechert, et al. Tunneling in Polytype InAs-AlSb-GaSb Heterostructures; K.F. Longenbach, et al. Scattering and Dynamic Effects: Scattering processes, Coherent and Incoherent Transport in Resonant Tunneling Structures; B. Vinter, et al. Quantum Coherence and Phase Randomization in Series Resistors; M. Buttiker. Charge Buildup, Intrinsic Bistability and Energy Relaxation in Resoant Tunneling Structures: High Pressure and Magnetic Field Studies; L. Eaves, et al. Multiple-Barrier and Low-Dimensional Systems: Miniband Transport and Resonant Tunneling in Superlattices; J.F. Palmier. Transport in Superlattices: Observation of Negative Differential Conductance by Field Induced Localization and Its Equivalence with the Esaki-Tsu Mechanism: Scattering Controlled Resonances in Superlattices; F. Capasso, et al. Device Structures: High-Frequency Oscillators Based on Resonant Tunneling; T.C.L.G> Sollner, et al. 39 additional articles. Index.

The present volume covers the story of the history of CERN from the mid 1960s to the late 1970s.

The book is organized in three main parts. The first, containing contributions by historians of science, perceives the laboratory as being at the node of a complex of interconnected relationships between scientists and science managers on the staff, the users in the member states, and the governments which were called upon to finance the organization. Parts II and III include chapters by practising scientists. The former surveys the theoretical and experimental physics results obtained at CERN in this period, while the latter describes the development of the laboratory's accelerator complex and Charpak detection techniques.

Integrating molecular physics and information theory, this work presents molecular electronics as a method for information storage and retrieval that incorporates nanometer-scaled systems, uses microscopic particles and exploits the laws of quantum mechanics. It furnishes application examples employing properties of distinct molecules joined together to a macroscopic ensemble of virtually identical units.

Acknowledged as the "founding father" of and world renowned expert on electron cyclotron resonance sources Richard Geller has produced a unique book devoted to the physics and technicalities of electron cyclotron resonance sources. Electron Cyclotron Resonance Ion Sources and ECR Plasmas provides a primer on electron cyclotron phenomena in ion sources as well as being a reference to the field of ion source developments. Coverage includes elements of plasma physics, specific electron cyclotron resonance physics, and the relevant technology directed at both scientists and engineers.

The book gives a comprehensive introduction to nano-optics The book is of interest to physicists, biologists and chemists The book may suggest directions to doctoral thesis investigations This volume presents a considerable number of interrelated contributions dealing with the new scientific ability to shape and control matter and electromagnetic fields on a sub-wavelength scale. The topics range from the fundamental ones, such as photonic metamateriials, plasmonics and sub-wavelength resolution to the more applicative, such as detection of single molecules, tomography on a micro-chip, fluorescence spectroscopy of biological systems, coherent control of biomolecules, biosensing of single proteins, terahertz spectroscopy of nanoparticles, rare earth ion-doped nanoparticles, random lasing, and nanocoax array architecture. The various subjects bridge over the disciplines of physics, biology and chemistry, making this volume of interest to people working in these fields. The emphasis is on the principles behind each technique and on examining the full potential of each technique. The contributions that appear in this volume were presented at a NATO Advanced Study Institute that was held in Erice, Italy, 3-18 July, 2011. The pedagogical aspect of the Institute is reflected in the topics presented in this volume.

This volume contains the proceedings of a NATO Advanced Study Institute which was held in Alghero, Sardinia, in July 1991. The development of computers in the recent years has lead to the emergence of unconventional ideas aiming at solving old problems. Among these, the possibility of computing directly fluid flows from the trajectories of constituent particles has been much exploited in the last few years: lattice gases cellular automata and more generally Molecular Dynamics have been used to reproduce and study complex flows. Whether or not these methods may someday compete with more traditional approaches is a question which cannot be answered at the present time: it will depend on the new computer architectures as well as on the possibility to develop very simple models to reproduce the most complex phenomena taking place in the approach of fully developed turbulence or plastic flows. In any event, these molecular methods are already used, and sometimes in an applied engineering context, to study strong shock waves, chemistry induced shocks or motion of dislocations in plastic flows, that is in domains where a fully continuum description appears insufficient. The main topic of our Institute was the molecular simulations of fluid flows. The project to hold this Institute was made three years ago, in the summer of 1989 during a NATO workshop in Brussels on the same subject.

This book features information regarding the Chernobyl nuclear accident, the production of elementary particles, radiation exposure, the geopolitical effects of the end of the nuclear arms race between the U.S. and the former Soviet Union, and the future of nuclear power.

Introduction to Gauge Field Theory provides comprehensive coverage of modern relativistic quantum field theory, emphasizing the details of actual calculations rather than the phenomenology of the applications.
Forming a foundation in the subject, the book assumes knowledge of relativistic quantum mechanics, but not of quantum field theory. The book is ideal for graduate students, advanced undergraduates, and researchers in the field of particle physics.

Unique in scope and treatment, Theory of Atomic Nuclei, Quasi-particle and Phonons gives a microscopic description of the structure of complex nuclei at low and intermediate excitation energies in terms of quasi-particle and phonon operators. A substantial quantity of modern experimental data is collected together and incorporated into the book to complement the theoretical treatment. This source book is an extremely useful research reference of the results of experimental work in the area.

Contents:
Particle detection; interaction of particles with a medium; scintillation counters; gas filled detectors; solid state ionization detectors; extracting information from detectors; position measurement; energy measurement; particle identification; detecting neutral particles; detector applications; statistical fluctuations and errors; a few worked examples.

Supersymmetry (SUSY) is one of the most important ideas ever conceived in particle physics. It is a symmetry that relates known elementary particles of a certain spin to as yet undiscovered particles that differ by half a unit of that spin (known as Superparticles). Supersymmetric models now stand as the most promising candidates for a unified theory beyond the Standard Model (SM). SUSY is an elegant and simple theory, but its existence lacks direct proof. Instead of dismissing supersymmetry altogether, Supersymmetry Beyond Minimality: from Theory to Experiment suggests that SUSY may exist in more complex and subtle manifestation than the minimal model. The book explores in detail non-minimal SUSY models, in a bottom-up approach that interconnects experimental phenomena in the fermionic and bosonic sectors. The book considers with equal emphasis the Higgs and Superparticle sectors, and explains both collider and non-collider experiments. Uniquely, the book explores charge/parity and lepton flavour violation. Supersymmetry Beyond Minimality: from Theory to Experiment provides an introduction to well-motivated examples of such non-minimal SUSY models, including the ingredients for generating neutrino masses and/or relaxing the tension with the heavily constraining Large Hadron Collider (LHC) data. Examples of these scenarios are explored in depth, in particular the discussions on Next-to-Minimal Supersymmetric SM (NMSSM) and B-L Supersymmetric SM (BLSSM).

The Weak Interaction in Nuclear, Particle and Astrophysics presents concepts of the weak interaction and its integration into modern gauge theories of particle physics, such as grand unification and supersymmetry. The book explores the close connections between micro (nuclear and particle) physics and macro physics (astrophysics and cosmology) induced by the weak interaction. Special attention is given to neutrinos, which have a key role in the understanding of elementary particle theories. In addition to the theoretical aspects, the book covers the important research topics of solar and galactic neutrinos and double beta decay. Assuming knowledge of elementary electrodynamics and quantum mechanics, this resource provides an insight into the diversity of the problem areas associated with the weak interaction and will encourage intensive study of particular themes.

The search for the elementary constituents of the physical universe and the interactions between them has transformed over time and continues to evolve today, as we seek answers to questions about the existence of stars, galaxies, and humankind. Integrating both theoretical and experimental work, Exploring Fundamental Particles traces the development of this fascinating field, from the discoveries of Newton, Fermi, and Feynman to the detection of CP violation and neutrinos to the quest to observe the Higgs boson and beyond. An Accessible yet In-Depth Account of How Fundamental Particles Shape Our World The book first examines the experiments and theoretical ideas that gave rise to the standard model. It discusses special relativity, angular momentum, spin, the Dirac electron, quantum field theory, Feynman diagrams, Pauli's neutrino, Fermi's weak interaction, Yukawa's pion, the muon neutrino, quarks, leptons, and flavor symmetry. The authors then explain the violation of the symmetry between matter and antimatter, known as CP violation. They cover the discoveries of CP violation in the decays of kaons and B mesons as well as future experiments that could detect possible CP violation beyond the standard model. In the next part, the authors present experimental results involving the once-mysterious neutrino. They explore the evidence that neutrinos have mass, new neutrino experiments in various countries, and the potential of neutrino astronomy to offer a new perspective on stars and galaxies. The final section focuses on the one undetected particle of the standard model: the Higgs boson. The authors review the experiments that established important constraints on the mass of the Higgs particle. They also highlight recent experiments of the Tevatron particle accelerator at Fermilab, along with the near future impact of the Large Hadron Collider (LHC) at CERN and th

This book is intended for senior undergraduate and beginning graduate students in physics, nuclear engineering, health physics and nuclear medicine, and for specialized training courses for radiation protection personnel and environmental safety engineers.To keep the size of the book manageable, material has been selected to stress those detectors that are in widespread use. Attempts have also been made to emphasize alternatives available in approaching various measurement problems and to present the criteria by which a choice among these alternatives may be made.

* Devoted to discussing the interaction between hadrons with nuclei* Discusses experimental data and the methods and results of the calculation of probabilities of various processes initiated by intermediate-energy hadrons in nuclei* Analyzes the potential for obtaining information on the structure and properties of nuclei by comparing experimental data with theoretical results* Covers new issues, such as analytic methods for the solution of kinetic equations describing the cascade and nuclear absorption of hadrons from bound states of hadronic atoms

Atomic and molecular beams are employed in physics and chemistry experiments and, to a lesser extent, in the biological sciences. These beams enable atoms to be studied under collision-free conditions and allow the study of their interaction with other atoms, charged particles, radiation, and surfaces. Atomic and Molecular Beams: Production and Collimation explores the latest techniques for producing a beam from any substance as well as from the dissociation of hydrogen, oxygen, nitrogen, and the halogens. The book not only provides the basic expressions essential to beam design but also offers in-depth coverage of: Design of ovens and furnaces for atomic beam production Creation of atomic beams that require higher evaporation temperatures Theory of beam formation including the Clausing equation and the transmission probability Construction of collimating arrays in metals, plastics, glass, and other materials Optimization of the design of atomic beam collimators While many review articles and books discuss the application of atomic beams, few give technical details of their production. Focusing on practical application in the laboratory, the author critically reviews over 800 references to compare the atomic and molecular beam formation theories with actual experiments. Atomic and Molecular Beams: Production and Collimation is a comprehensive source of material for experimentalists facing the design of any atomic or molecular beam and theoreticians wishing to extend the theory.

Recent research has brought the application of microwaves from the classical fields of heating, communication, and generation of plasma discharges into the generation of compact plasmas that can be used for applications such as FIB and small plasma thrusters. However, these new applications bring with them a new set of challenges. With coverage ranging from the basics to new and emerging applications, Compact Plasma and Focused Ion Beams discusses how compact high-density microwave plasmas with dimensions smaller than the geometrical cutoff dimension can be generated and utilized for providing focused ion beams of various elements. Starting with the fundamentals of the cutoff problem for wave propagation in waveguides and plasma diagnostics, the author goes on to explain in detail the plasma production by microwaves in a compact geometry and narrow tubes. He then thoroughly discusses wave interaction with bounded plasmas and provides a deeper understanding of the physics. The book concludes with an up-to-date account of recent research on pulsed microwaves and the application of compact microwave plasmas for multi-element FIB. It provides a consolidated and unified description of the emerging areas in plasma science and technology utilizing wave-based plasma sources based on the author's own work and experience. The book will be useful not only to established researchers in this area but will also serve as an excellent introduction to those interested in applying these ideas to various current and new applications.

Ultra-Cold Neutrons is a complete, self-contained introduction and review of the field of ultra-cold neutron (UCN) physics. Over the last two decades, developments in UCN technology include the storage of UCN in material and magnetic bottles for time periods limited only by the beta decay rate of the free neutron. This capability has opened up the possibility of a wide range of applications in the fields of both fundamental and condensed state physics. The book explores some of these applications, such as the search for the electric dipole moment of the neutron that constitutes the most sensitive test of time reversal invariance yet devised.
The book is suitable as an introduction to the field for research students, as a useful compendium of results and techniques for researchers, and is of general interest to nonspecialists in other areas of physics such as neutron, atomic, and fundamental physics and neutron scattering.

Overview: Recombination of Atomic Ions; D. Bates. Applications of Recombination; H. Summers, W.J. Dickson. Theoretical Aspects of Recombination: Dielectronic Recombination Theory; K.J. LaGuttuta. Beyond the Standard Computational Method for Dielectronic Recombination of Atomic Ions; M.S. Pindzola, et al. Experimental Measurements 1. ElectronIon Recombination: Early Measurements of Dielectronic Recombination; P.F. Dittner, S. Datz. Dielectronic Recombination Measurements Using the Electron Beam Ion Trap; D.A. Knapp. Laser-Stimulated Radiative Recombination; A. Wolf. Experimental Measurements 2. Ion-Atom Recombination: Resonant Transfer Excitation Associated with Single X-Ray Emission; J.A. Tanis. Dielectronic Excitation and Recombination in Crystal Channels; S. Datz, et al. Resonant Transfer and Excitation in Ion Channelling; M.W. Clark, et al. 17 additional articles. Index.

Introduces Novel Applications for Solving Neutron Transport Equations While deemed nonessential in the past, fractional calculus is now gaining momentum in the science and engineering community. Various disciplines have discovered that realistic models of physical phenomenon can be achieved with fractional calculus and are using them in numerous ways. Since fractional calculus represents a reactor more closely than classical integer order calculus, Fractional Calculus with Applications for Nuclear Reactor Dynamics focuses on the application of fractional calculus to describe the physical behavior of nuclear reactors. It applies fractional calculus to incorporate the mathematical methods used to analyze the diffusion theory model of neutron transport and explains the role of neutron transport in reactor theory. The author discusses fractional calculus and the numerical solution for fractional neutron point kinetic equation (FNPKE), introduces the technique for efficient and accurate numerical computation for FNPKE with different values of reactivity, and analyzes the fractional neutron point kinetic (FNPK) model for the dynamic behavior of neutron motion. The book begins with an overview of nuclear reactors, explains how nuclear energy is extracted from reactors, and explores the behavior of neutron density using reactivity functions. It also demonstrates the applicability of the Haar wavelet method and introduces the neutron diffusion concept to aid readers in understanding the complex behavior of average neutron motion. This text: Applies the effective analytical and numerical methods to obtain the solution for the NDE Determines the numerical solution for one-group delayed neutron FNPKE by the explicit finite difference method Provides the numerical solution for classical as well as fractional neutron point kinetic equations Proposes the Haar wavelet operational method (HWOM) to obtain the numerical approximate solution of the neutron point kinetic equation, and more Fractional Calculus with Applications for Nuclear Reactor Dynamics thoroughly and systematically presents the concepts of fractional calculus and emphasizes the relevance of its application to the nuclear reactor.

A monograph on inflationary cosmology and cosmological phase transitions, investigating modern cosmology's relationship to elementary particle physics. This work also includes a non-technical discussion of inflationary cosmology for those unfamiliar with the theory.

At the Root of Things: The Subatomic World is a journey into the world of elementary particles the basic constituents of all matter in the universe and the nature of the interactions among them. The book begins with a summary of pre-quantum physics and later tackles quantum physics, which is essential for the study of elementary particles. The book discusses the emergence of quantum theory from studies in heat radiation and the photoelectric effect as well as developments that led to the concept of duality between particles and waves. Also discussed is how quantum theory helped to better understand the structure of atoms and the discovery of particles that were not constituents of atoms, such as the positron and the muon. Dozens of particles that were discovered experimentally in the 1950s and the 1960s are described along with fundamental particles quarks and leptons. The book concludes with a discussion on fundamental interactions, the basic nature of quantum theories surrounding these interactions, and a discussion of how these interactions might be unified. At the Root of Things: The Subatomic World is written in non-technical language making it accessible to a broad audience. It helps outsiders understand the subject in a non-mathematical manner and inspires them to learn more about this interesting field.

Relating the story of the transatlantic struggle for subnuclear domination, The Quark Machines: How Europe Fought the Particle Physics War, Second Edition covers the history, the politics, and the personalities of particle physics. Extensively illustrated with many original photographs of the key players in the field, the book sheds new light on the sovereignty issues of modern scientific research as well as the insights it has produced. Throughout the twentieth century, Europe and the United States have vied for supremacy of subnuclear physics. Initially, the advent of World War II and an enforced exodus of scientific talent from Europe boosted American efforts. Then, buoyed along by the need to develop the bomb and the ensuing distrust of the Cold War, the United States vaulted into a commanding role-a position it retained for almost fifty years. Throughout this period, each new particle accelerator was a major campaign, each new particle a battle won. With the end of the Cold War, U.S. preeminence evaporated and Europe retook the advantage. Now CERN, for four decades the spearhead of the European fightback, stands as the leading global particle physics center. Today, particle physics is at a turning point in its history-how well Europe retains its advantage remains to be seen.

Using the quantum approach to the subject of atomic physics, this text keeps the mathematics to the minimum needed for a clear and comprehensive understanding of the material. Beginning with an introduction and treatment of atomic structure, the book goes on to deal with quantum mechanics, atomic spectra and the theory of interaction between atoms and radiation. Continuing to more complex atoms and atomic structure in general, the book concludes with a treatment of quantum optics. Appendices deal with Rutherford scattering, calculation of spin-orbit energy, derivation of the Einstein B coefficient, the Pauli Exclusion Principle and the derivation of eigenstates in helium. The book should be of interest to undergraduate physics students at intermediate and advanced level and also to those on materials science and chemistry courses.

Over recent years electronic spectroscopy has developed significantly, with key applications in atmospheric chemistry, astrophysics and astrochemistry. High Resolution Electronic Spectroscopy of Small Molecules explores both theoretical and experimental approaches to understanding the electronic spectra of small molecules, and explains how this information translates to practice. Professors Geoffrey Duxbury and Alexander Alijah present the links between spectroscopy and photochemistry, and discuss theoretical treatments of the interaction between different electronic states. They provide a thorough discussion of experimental techniques, and explore practical applications. This book will be an indispensable reference for graduate students and researchers in physics and chemistry working on theoretical and practical aspects of electronic spectra, as well as atmospheric scientists, photochemists, kineticists and professional spectroscopists.