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Author: Publisher: ISBN: Category : Languages : en Pages : 3
Book Description
A key problem in next-generation linear collider design utilizing multibunching is the control of multibunch beam break-up. One method of controlling the break-up is detuning, i.e., varying the frequency of the transverse deflecting modes by varying the cell dimensions within the accelerating structures. In this case, the beam breakup is sensitive to the resonances between the bunch frequency and some of the deflecting mode frequencies. It is also sensitive to errors in the fabrication and alignment of the accelerating structures. We examine these effects in the context of the SLAC NLC design.
Author: Publisher: ISBN: Category : Languages : en Pages : 3
Book Description
A key problem in next-generation linear collider design utilizing multibunching is the control of multibunch beam break-up. One method of controlling the break-up is detuning, i.e., varying the frequency of the transverse deflecting modes by varying the cell dimensions within the accelerating structures. In this case, the beam breakup is sensitive to the resonances between the bunch frequency and some of the deflecting mode frequencies. It is also sensitive to errors in the fabrication and alignment of the accelerating structures. We examine these effects in the context of the SLAC NLC design.
Author: King-Yuen Ng Publisher: World Scientific ISBN: 9812563423 Category : Science Languages : en Pages : 798
Book Description
This book provides a comprehensive treatment of intensity dependent particle beam instabilities in accelerating rings. Written for researchers, the material is also suitable for use as a textbook in an advanced graduate course for students studying accelerator physics.The presentation starts with a brief review of the basic concept of wake potentials and coupling impedances in the vacuum chamber followed by a discussion on static and dynamic solutions of their effects on the particle beams. Special emphasis is placed separately on proton and electron machines. Other special topics of interest covered include Landau damping, Balakin-Novokhatsky-Smirnov damping, Sacherer's integral equations, Landau cavity, saw-tooth instability, Robinson stability criteria, beam loading, transition crossing, two-stream instabilities, and collective instability issues of isochronous rings. After the formulation of an instability, readers are provided a thorough description of one or more experimental observations together with a discussion of the cures for the instability.Although the book is theory oriented, the use of mathematics has been minimized. The presentation is intended to be rigorous and self-contained with nearly all the formulas and equations derived.
Author: Publisher: ISBN: Category : Languages : en Pages : 6
Book Description
In designing linac structures for multi-bunch applications the authors are often interested in estimating the effect of relatively weak multi-bunch beam breakup (BBU), due to the somewhat complicated wakefields of detuned structures. This, for example, is the case for the injector linacs of the JLC/NLC linear collider project. Deriving an analytical formula for such a problem is the subject of this report. Note that the more studied multi-bunch BBU problem, i.e. the effect on a bunch train of a single strong mode, the so-called cumulative beam break-up instability, is a somewhat different problem, and one for which the approach presented here is probably not very useful.
Author: Ursula van Rienen Publisher: Springer Science & Business Media ISBN: 3642568025 Category : Computers Languages : en Pages : 387
Book Description
treated in more detail. They are just specimen of larger classes of schemes. Es sentially, we have to distinguish between semi-analytical methods, discretiza tion methods, and lumped circuit models. The semi-analytical methods and the discretization methods start directly from Maxwell's equations. Semi-analytical methods are concentrated on the analytical level: They use a computer only to evaluate expressions and to solve resulting linear algebraic problems. The best known semi-analytical methods are the mode matching method, which is described in subsection 2. 1, the method of integral equations, and the method of moments. In the method of integral equations, the given boundary value problem is transformed into an integral equation with the aid of a suitable Greens' function. In the method of moments, which includes the mode matching method as a special case, the solution function is represented by a linear combination of appropriately weighted basis func tions. The treatment of complex geometrical structures is very difficult for these methods or only possible after geometric simplifications: In the method of integral equations, the Greens function has to satisfy the boundary condi tions. In the mode matching method, it must be possible to decompose the domain into subdomains in which the problem can be solved analytically, thus allowing to find the basis functions. Nevertheless, there are some ap plications for which the semi-analytic methods are the best suited solution methods. For example, an application from accelerator physics used the mode matching technique (see subsection 5. 4).
Author: Andrei Seryi Publisher: CRC Press ISBN: 1000889041 Category : Technology & Engineering Languages : en Pages : 450
Book Description
Unifying Physics of Accelerators, Lasers and Plasma introduces the physics of accelerators, lasers and plasma in tandem with the industrial methodology of inventiveness, a technique that teaches that similar problems and solutions appear again and again in seemingly dissimilar disciplines. This unique approach builds bridges and enhances connections between the three aforementioned areas of physics that are essential for developing the next generation of accelerators. A Breakthrough by Design approach, introduced in the book as an amalgam of TRIZ inventive principles and laws of technical system evolution with the art of back-of-the-envelope estimations, via numerous examples and exercises discussed in the solution manual, will make you destined to invent. Unifying Physics of Accelerators, Lasers and Plasma outlines a path from idea to practical implementation of scientific and technological innovation. This second edition has been updated throughout, with new content on superconducting technology, energy recovery, polarization, various topics of advanced technology, etc., making it relevant for the Electron-Ion Collider project, as well as for advanced lights sources, including Free Electron Lasers with energy recovery. The book is suitable for students at the senior undergraduate and graduate levels, as well as for scientists and engineers interested in enhancing their abilities to work successfully on the development of the next generation of facilities, devices and scientific instruments manufactured from the synergy of accelerators, lasers and plasma. Key Features: Introduces the physics of accelerators, lasers, and plasma in tandem with the industrial methodology of inventiveness. Outlines a path from idea to practical implementation of scientific and technological innovation. Contains more than 380 illustrations and numerous end-of-chapter exercises. Solutions manual is included into the book. Boasting more than 380 illustrations, this highly visual text: Employs TRIZ to amalgamate and link different areas of science Avoids heavy mathematics, using back-of-the-envelope calculations to convey key principles Introduces the Innovation by Design approach based an amalgam of TRIZ inventive principles and laws of technical system evolution with the art of back-of-the-envelope estimations – developing and applying this methodology, you will be destined to invent Includes updated materials for all eleven chapters of the first edition, e.g., the FEL invention path analysis, etc. The second edition includes new chapters: Beam Cooling and Final Focusing, Beam Stability and Energy Recovery, Advanced Technologies The new chapters add topics such as superconducting magnets and accelerating cavities, polarized beams, energy recovery – themes relevant for new projects such as Electron-Ion Collider, or Free Electron Laser based on energy recovery for science or industry The second edition also includes a new chapter with illustrations of 40 inventive principles of TRIZ based on the areas of accelerator, laser and plasma technology Every chapter includes invention case studies, often making important connections to adjacent areas of technologies, illustrated by the case of EUV light generation invention for semiconductor lithography, etc. Includes end-of-chapter exercises focusing on physics and on applications of the inventiveness method, on reinventing technical systems and on practicing back-of-the-envelope estimations; and also includes mini-projects, suitable for exercises by teams of students Includes a detailed Guide to solutions of the exercises, discussing the inventions and highlighting the relevant inventive principles, as well as directions of mini-projects Includes discussion of the TRIZ laws of evolution of technical systems and makes bold predictions for the Year 2050 for accelerator, laser and plasma technology Praise for the first edition "...Unifying Physics of Accelerators, Lasers and Plasma is a must-have for every student and practitioner of accelerator science. It is a quick reference guide and provides solid, intuitive discussions of what are often quite erudite concepts. I enthusiastically applaud this outstanding book." Sekazi Mtingwa in Physics Today, August 2016
Author: Robert N Cahn Publisher: World Scientific ISBN: 9814549223 Category : Languages : en Pages : 318
Book Description
This book is the result of a broad-based and in-depth study of high energy physics commissioned by the Executive Committee of the Division of Particles and Fields of the American Physical Society. This year-long study was initiated in the early 1994, in the wake of the cancellation of the SSC, and is meant to complement the report of the Drell HEPAP subpanel, charged with providing a vision for the future of the field. The DPF study of high energy physics was organized on the basis of the working groups, each led by a number of co-conveners chosen among established leaders in the various subspecialties in the field. These conveners, in turn, organized their working groups by inviting other active workers in the discipline to participate and gathered further input from the community by holding a variety of specialized meetings and workshops. This book contains the final reports of the 11 working groups assembled for the study, along with an extended overview and executive summary by the editors.
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Author: Ursula van Rienen
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Author: Robert N Cahn
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