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Error Induced Beam Degradation In Fermilabs Accelerators
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Book Synopsis Error-induced Beam Degradation in Fermilab's Accelerators by : Sung-Yong Phil Yoon
Download or read book Error-induced Beam Degradation in Fermilab's Accelerators written by Sung-Yong Phil Yoon and published by . This book was released on 2007 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Error-Induced Beam Degradation in Fermilab's Accelerators by :
Download or read book Error-Induced Beam Degradation in Fermilab's Accelerators written by and published by . This book was released on 2007 with total page 241 pages. Available in PDF, EPUB and Kindle. Book excerpt: In Part I, three independent models of Fermilab's Booster synchrotron are presented. All three models are constructed to investigate and explore the effects of unavoidable machine errors on a proton beam under the influence of space-charge effects. The first is a stochastic noise model. Electric current fluctuations arising from power supplies are ubiquitous and unavoidable and are a source of instabilities in accelerators of all types. A new noise module for generating the Ornstein-Uhlenbeck (O-U) stochastic noise is first created and incorporated into the existing Object-oriented Ring Beam Injection and Tracking (ORBIT-FNAL) package. After being convinced with a preliminary model that the noise, particularly non-white noise, does matter to beam quality, we proceeded to measure directly current ripples and common-mode voltages from all four Gradient Magnet Power Supplies (GMPS). Then, the current signals are Fourier-analyzed. Based upon the power spectra of current signals, we tune up the Ornstein-Uhlnbeck noise model. As a result, we are able to closely match the frequency spectra between current measurements and the modeled O-U stochastic noise. The stochastic noise modeled upon measurements is applied to the Booster beam in the presence of the full space-charge effects. This noise model, accompanied by a suite of beam diagnostic calculations, manifests that the stochastic noise, impinging upon the beam and coupled to the space-charge effects, can substantially enhance the beam degradation process throughout the injection period. The second model is a magnet misalignment model. It is the first time to utilize the latest beamline survey data for building a magnet-by-magnet misalignment model. Given as-found survey fiducial coordinates, we calculate all types of magnet alignment errors (station error, pitch, yaw, roll, twists, etc.) are implemented in the model. We then follow up with statistical analysis to understand how each type of alignment errors are currently distributed around the Booster ring. The ORBIT-FNAL simulations with space charge included show that rolled magnets, in particular, have substantial effects on the Booster beam. This survey-data-based misalignment model can predict how much improvement in machine performance can be achieved if prioritized or selected realignment work is done. In other words, this model can help us investigate different realignment scenarios for the Booster. In addition, by calculating average angular kicks from all misaligned magnets, we expect this misalignment model to serve as guidelines for resetting the strengths of corrector magnets. The third model for the Booster is a time-structured multi-turn injection model. Microbunch-injection scenarios with different time structures are explored in the presence of longitudinal space-charge force. Due to the radio-frequency (RF) bucket mismatch between the Booster and the 400-MeV transferline, RF-phase offsets can be parasitically introduced during the injection process. Using the microbunch multiturn injection, we carry out ESME-ORBIT-combined simulations. This combined simulation allows us to investigate realistic charge-density distribution under full space-charge effects. The growth rates of transverse emittances turned out to be 20 % in both planes. This microbunch-injection scenarios is also applicable to the future 8-GeV Superconducting Linac Proton Driver and the upgraded Main Injector at Fermilab. In Part II, the feasibility of momentum-stacking method of proton beams is investigated. When the Run2 collider program at Fermilab comes to an end around year 2009, the present antiproton source can be available for other purposes. One possible application is to convert the antiproton accumulator to a proton accumulator, so that the beam power from the Main Injector could be enhanced by a factor of four. Through adiabatic processes and optimized parameters of synchrotron motion, we demonstrate with an aid of the ESME code that up to four proton batches can be stacked in the momentum acceptance available for the Accumulator ring. This momentum-stacking method is expected to be a part of Fermilab's SuperNuMI (SNuMI) project.
Book Synopsis Simulations of Error-induced Beam Degradation in Fermilab's Booster Synchrotron by : W. Chou
Download or read book Simulations of Error-induced Beam Degradation in Fermilab's Booster Synchrotron written by W. Chou and published by . This book was released on 2005 with total page 3 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Accelerator Physics at the Tevatron Collider by : Valery Lebedev
Download or read book Accelerator Physics at the Tevatron Collider written by Valery Lebedev and published by Springer. This book was released on 2014-05-29 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the developments in accelerator physics and technology implemented at the Tevatron proton-antiproton collider, the world’s most powerful accelerator for almost twenty years prior to the completion of the Large Hadron Collider. The book covers the history of collider operation and upgrades, novel arrangements of beam optics and methods of orbit control, antiproton production and cooling, beam instabilities and feedback systems, halo collimation, and advanced beam instrumentation. The topics discussed show the complexity and breadth of the issues associated with modern hadron accelerators, while providing a systematic approach needed in the design and construction of next generation colliders. This book is a valuable resource for researchers in high energy physics and can serve as an introduction for students studying the beam physics of colliders.
Book Synopsis Measurement and Control of Charged Particle Beams by : Michiko G. Minty
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
Book Synopsis European Particle Accelerator Conference (Epac 94) (In 3 Volumes) by : Christine Petit-jean-genaz
Download or read book European Particle Accelerator Conference (Epac 94) (In 3 Volumes) written by Christine Petit-jean-genaz and published by World Scientific. This book was released on 1994-11-26 with total page 2968 pages. Available in PDF, EPUB and Kindle. Book excerpt: These proceedings aim to provide a comprehensive overview of research, technology and applications in the field of accelerators. Contributions from the entire field of accelerators are presented, including low and high energy machines, and medical and industrial accelerators.
Book Synopsis Beam-based Error Identification and Correction Methods for Particle Accelerators by : Tobias Persson
Download or read book Beam-based Error Identification and Correction Methods for Particle Accelerators written by Tobias Persson and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Physics of Particle Accelerators by : Margaret Dienes
Download or read book Physics of Particle Accelerators written by Margaret Dienes and published by . This book was released on 1989 with total page 2398 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advanced Beam Dynamics Workshop on Effects of Errors in Accelerators, Their Diagnosis and Corrections by :
Download or read book Advanced Beam Dynamics Workshop on Effects of Errors in Accelerators, Their Diagnosis and Corrections written by and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Shielding Aspects of Accelerators, Targets and Irradiation Facilities--SATIF-7 by : OECD Nuclear Energy Agency
Download or read book Shielding Aspects of Accelerators, Targets and Irradiation Facilities--SATIF-7 written by OECD Nuclear Energy Agency and published by OECD Publishing. This book was released on 2005 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: Particle accelerators are used today for an increasing range of scientific and technological applications. They are very powerful tools to investigate the origin and structure of matter, and to improve understanding of the interaction of radiation with materials, including transmutation of nuclides and beneficial effects or risks from radiation. They are used to identify properties of molecules that can be used in pharmacy, for medical diagnosis and therapy, or for biophysics studies.Particle accelerators must be operated in safe ways that protect operators, the population and the environment. New technological and research applications give rise to new aspects in radiation shielding. These workshop proceedings review the state of the art in radiation shielding of accelerator facilities and of irradiated targets. They also evaluate progress made and discuss the additional developments required to meet radiation protection needs.
Book Synopsis Beam-beam And Beam-radiation Interactions: High Intensity And Nonlinear Effects - Proceedings Of The 7th Icfa Workshop On Beam Dynamics by : Claudio Pellegrini
Download or read book Beam-beam And Beam-radiation Interactions: High Intensity And Nonlinear Effects - Proceedings Of The 7th Icfa Workshop On Beam Dynamics written by Claudio Pellegrini and published by World Scientific. This book was released on 1992-08-07 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: This workshop examines how the new region of particle beam parameters can be explored and used to find new physics and new applications.The main topics discussed are beam-beam effects in linear and circular colliders, interaction of beam with very large electromagnetic fields and the associated nonlinear effects, gravitational effects from particles and photon beams. The above covers topics having immediate applications and theoretical problems.
Download or read book ERDA Energy Research Abstracts written by and published by . This book was released on 1977 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis High Energy Accelerators (Heacc 92) - Proceedings Of The Xv International Conference (In 2 Volumes) by : J Rossbach
Download or read book High Energy Accelerators (Heacc 92) - Proceedings Of The Xv International Conference (In 2 Volumes) written by J Rossbach and published by World Scientific. This book was released on 1993-02-10 with total page 1288 pages. Available in PDF, EPUB and Kindle. Book excerpt: The High Energy Accelerator Conference has always been the monitor of the state of the art and the new trends in planning, construction and operation of large particle accelerators. It is held every three years. The 1992 conference is devoted to High Energy Hadron Accelerators and Colliders, Linear Colliders, e⁺e⁻ Storage Rings and related Technologies for these machines. In addition to status reports and contributed papers, the program features twelve survey talks which include summaries of individual poster papers.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1994 with total page 806 pages. Available in PDF, EPUB and Kindle. Book excerpt: Semiannual, with semiannual and annual indexes. References to all scientific and technical literature coming from DOE, its laboratories, energy centers, and contractors. Includes all works deriving from DOE, other related government-sponsored information, and foreign nonnuclear information. Arranged under 39 categories, e.g., Biomedical sciences, basic studies; Biomedical sciences, applied studies; Health and safety; and Fusion energy. Entry gives bibliographical information and abstract. Corporate, author, subject, report number indexes.
Book Synopsis Beam Acceleration In Crystals And Nanostructures - Proceedings Of The Workshop by : Gerard Mourou
Download or read book Beam Acceleration In Crystals And Nanostructures - Proceedings Of The Workshop written by Gerard Mourou and published by . This book was released on 2020 with total page 269 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis 107-2 Hearings: Energy And Water Development Appropriations For 2003, Part 7, * by :
Download or read book 107-2 Hearings: Energy And Water Development Appropriations For 2003, Part 7, * written by and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Energy Research and Development Administration. Technical Information Center Publisher : ISBN 13 : Total Pages :1066 pages Book Rating :4.3/5 (129 download)
Book Synopsis ERDA Energy Research Abstracts by : United States. Energy Research and Development Administration. Technical Information Center
Download or read book ERDA Energy Research Abstracts written by United States. Energy Research and Development Administration. Technical Information Center and published by . This book was released on 1977 with total page 1066 pages. Available in PDF, EPUB and Kindle. Book excerpt: