Download or read book Proceedings of the 1997 Particle Accelerator Conference written by Martin Comyn and published by . This book was released on 1998 with total page 1382 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Radio Frequency Station beam Dynamics Interaction in Circular Accelerators written by Themistoklis Mastoridis and published by Stanford University. This book was released on 2005 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: The longitudinal beam dynamics in circular accelerators is mainly defined by the interaction of the beam current with the accelerating Radio Frequency (RF) stations. For stable operation, Low Level RF (LLRF) feedback systems are employed to reduce coherent instabilities and regulate the accelerating voltage. The LLRF system design has implications for the dynamics and stability of the closed-loop RF systems as well as for the particle beam, and is very sensitive to the operating range of accelerator currents and energies. Stability of the RF loop and the beam are necessary conditions for reliable machine operation. This dissertation describes theoretical formalisms and models that determine the longitudinal beam dynamics based on the LLRF implementation, time domain simulations that capture the dynamic behavior of the RF station-beam interaction, and measurements from the Positron-Electron Project (PEP-II) and the Large Hadron Collider (LHC) that validate the models and simulations. These models and simulations are structured to capture the technical characteristics of the system (noise contributions, non-linear elements, and more). As such, they provide useful results and insight for the development and design of future LLRF feedback systems. They also provide the opportunity to study diverse longitudinal beam dynamics effects such as coupled-bunch impedance driven instabilities and single bunch longitudinal emittance growth. Coupled-bunch instabilities and RF station power were the performance limiting effects for PEP-II. The sensitivity of the instabilities to individual LLRF parameters, the effectiveness of alternative operational algorithms, and the possible tradeoffs between RF loop and beam stability were studied. New algorithms were implemented, with significant performance improvement leading to a world record current during the last PEP-II run of 3212 mA for the Low Energy Ring. Longitudinal beam emittance growth due to RF noise is a major concern for LHC. Simulations studies and measurements were conducted that clearly show the correlation between RF noise and longitudinal bunch emittance, identify the major LLRF noise contributions, and determine the RF component dominating this effect. With these results, LHC upgrades and alternative algorithms are evaluated to reduce longitudinal emittance growth during operations. The applications of this work are described with regard to future machines and analysis of new technical implementations, as well as to possible future work which would continue the directions of this dissertation.

Download or read book Beam Measurement Proceedings Of The Joint Us cern japan russia School On Particle Accelerators written by Stuart Turner and published by World Scientific. This book was released on 1999-05-31 with total page 739 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume comprises the proceedings of the 8th Joint School on accelerator physics. On this occasion, the US, CERN, Japan and Russia Particle Accelerator Schools collaborated to present the topic of “Beam Measurements”. The aim was to provide an introduction to the principles of beam dynamics and measurements in circular particle accelerators. This was achieved by a series of lectures under the headings of “single-particle dynamics”, “multi-particle dynamics” and then “beam measurements”, along with practical courses on feedback and signal processing, maps and (no) simulations, practical diagnostic measurements, and spectrum and network analyzers. The resulting proceedings represent a unique summary of the currently available knowledge on beam measurements applied to circular particle accelerators.

Download or read book Proceedings of the 1997 Particle Accelerator Conference written by and published by . This book was released on 1998 with total page 1322 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Educating Our Children with Technology Skills to Compete in the Next Millenium written by United States. Congress. House. Committee on Science. Subcommittee on Technology and published by . This book was released on 1998 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Nation s Energy Future written by United States. Congress. House. Committee on Science and published by . This book was released on 2001 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book RF Linear Accelerators for Medical and Industrial Applications written by Samy Hanna and published by Artech House. This book was released on 2012 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: This unique resource offers you a clear overview of medical and industrial accelerators. Using minimal mathematics, this book focuses on offering thorough explanations of basic concepts surrounding the operation of accelerators. You find well illustrated discussions designed to help you use accelerator-based systems in a safer, more productive, and more reliable manner. This practical book details the manufacturing process for producing accelerators for medical and industrial applications. You become knowledgeable about the commonly encountered real-world manufacturing issues and potential sources of defects which help you avoid costly production problems. From principles of operation and the role of accelerators in cancer radiation therapy, to manufacturing techniques and future trends in accelerator design and applications, this easy-to-comprehend volume quickly brings you up-to-speed with the critical concepts you need to understand for your work in the field.

Download or read book Measurement and Control of Charged Particle Beams written by Michiko G. Minty and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt: From the reviews: "This book is a very welcome and valuable addition to the accelerator literature. As noted by the authors, there is relatively little material in the book specifically for low-energy machines, but industrial users may still find it useful to read." Cern Courier

Download or read book Educating Our Children with Technology Skills to Compete in the Next Millennium written by Constance A. Morella and published by DIANE Publishing. This book was released on 2000-12 with total page 161 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hearing held by the House of Representatives to review the effectiveness of our current educational system to develop the workforce necessary to maintain our international competitiveness in the new millennium. Witnesses include: Graham B. Spanier, President, The Pennsylvania State University; Dyan Bransington, President, High Technology Council of Maryland; John R. Reinert, President, Institute of Electronics and Electrical Engineering; Stuart A. Rosenfeld, President, Regional Technology Strategies; and Robert Sweeney, Executive Director, Applied Information Management Institute

Download or read book High Gradient Accelerating Structure Proceedings Of The Symposium On The Occasion Of 70th Birthday Of Junwen Wang written by Wei Gai and published by World Scientific. This book was released on 2014-10-24 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: This proceedings volume, for the symposium in honor of Junwen Wang's 70th anniversary, is dedicated to his many important achievements in the field of accelerator physics.It includes the discussions of recent advances and challenging problems in the field of high gradient accelerating structure development.

Download or read book Understanding the Physics of Particle Accelerators written by François Méot and published by Springer Nature. This book was released on with total page 651 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Modular Multilevel Converters with Interleaved Half Bridge Submodules written by Aleksandr Viatkin and published by Springer Nature. This book was released on 2023-03-29 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reports on a comprehensive study on a novel high-power converter, i.e. a Modular Multilevel Converter with Interleaved Half-bridge Submodules (ISM-MMC). It describes in depth its average model, the operating principles, as well as a new control method and a hybrid modulation strategy that help to exploit the benefits of the interleaving scheme. The new power converter is particularly advantageous for high-current applications that require superb quality of input/output waveforms. Moreover, this book reports on a systematic study of the current balancing problem between parallel-connected units that commutate in non-simultaneous fashion. This is a typical issue in interleaved converters, however here it is analyzed for the first time in relation to MMC-based structures. Two control strategies are proposed to cope with this matter. By using a sensorless regulation scheme, the number of required current transducers has been minimized, reducing complexity, cost, and footprint of the hardware, while providing converter with a fast and accurate current balancing. This book also offers a comprehensive comparison between several practical designs of ISM-MMC and classical MMC for an ultra-fast electrical vehicle charger. All in all, it provides graduate students and researchers, as well as field engineers and professionals with extensive information and essential practical details on the state-of-the-art MMC and ISM-MMC design.

Download or read book Studies of Proton Driven Plasma Wakefield Acceleration written by Yangmei Li and published by Springer Nature. This book was released on 2020-07-15 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis focuses on a cutting-edge area of research, which is aligned with CERN's mainstream research, the "AWAKE" project, dedicated to proving the capability of accelerating particles to the energy frontier by the high energy proton beam. The author participated in this project and has advanced the plasma wakefield theory and modelling significantly, especially concerning future plasma acceleration based collider design. The thesis addresses electron beam acceleration to high energy whilst preserving its high quality driven by a single short proton bunch in hollow plasma. It also demonstrates stable deceleration of multiple proton bunches in a nonlinear regime with strong resonant wakefield excitation in hollow plasma, and generation of high energy and high quality electron or positron bunches. Further work includes the assessment of transverse instabilities induced by misaligned beams in hollow plasma and enhancement of the wakefield amplitude driven by a self-modulated long proton bunch with a tapered plasma. This work has major potential to impact the next generation of linear colliders and also in the long-term may help develop compact accelerators for use in industrial and medical facilities.

Download or read book Proceedings of the 1999 Particle Accelerator Conference written by and published by . This book was released on 1999 with total page 740 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1992 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Microwave and RF Vacuum Electronic Power Sources written by Richard G. Carter and published by Cambridge University Press. This book was released on 2018-04-12 with total page 843 pages. Available in PDF, EPUB and Kindle. Book excerpt: Get up-to-speed on the theory, principles and design of vacuum electron devices.

Download or read book Free Electron Lasers 1999 written by J. Feldhaus and published by North Holland. This book was released on 2000 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hardbound. The proceedings of this 1999 International Free Electron Laser Conference cover the latest research and developments in this wide ranging field. It includes FEL theory, FELs at linear accelerators and storage rings, SASE FELs, experiments at and with FELs, electron accelerator issues relevant for FELs, and photon beam diagnostics. The large spectrum of high-quality contributions and the good balance among theoretical work, experimental progress, new ideas and new projects underway, indicates that the R&D on FELs is indeed in a good shape and promises continuous progress in the future.