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Design Construction And Testing Of A Radiofrequency Electron Photoinjector For The Next Generation Linear Collider
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Book Synopsis Design, Construction, and Testing of a Radiofrequency Electron Photoinjector for the Next Generation Linear Collider by : Eric Ralph Colby
Download or read book Design, Construction, and Testing of a Radiofrequency Electron Photoinjector for the Next Generation Linear Collider written by Eric Ralph Colby and published by . This book was released on 1997 with total page 614 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Next Generation Photoinjector by : Dennis Thomas Palmer
Download or read book The Next Generation Photoinjector written by Dennis Thomas Palmer and published by . This book was released on 1998 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Next Generation Photoinjector by : Dennis Thomas Palmer
Download or read book The Next Generation Photoinjector written by Dennis Thomas Palmer and published by . This book was released on 2005 with total page 181 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation will elucidate the design, construction, theory, and operation of the Next Generation Photoinjector (NGP). This photoinjector is comprised of the BNL/SLAC/UCLA 1.6 cell symmetrized S-band photocathode radio frequency (rf) electron gun and a single emittance-compensation solenoidal magnet. This photoinjector is a prototype for the Linear Coherent Light Source X-ray Free Electron Laser operating in the 1.5 {angstrom} range. Simulations indicate that this photoinjector is capable of producing a 1nC electron bunch with transverse normalized emittance less than 1 {pi} mm mrad were the cathode is illuminated with a 10 psec longitudinal flat top pulse. Using a Gaussian longitudinal laser profile with a full width half maximum (FWHM) of 10 psec, simulation indicates that the NGP is capable of producing a normalized rms emittance of 2.50 {pi} mm mrad at 1 nC. Using the removable cathode plate we have studied the quantum efficiency (QE) of both copper and magnesium photo-cathodes. The Cu QE was found to be 4.5 x 10{sup -5} with a 25% variation in the QE across the emitting surface of the cathode, while supporting a field gradient of 125 MV/m. At low charge, the transverse normalized rms emittance, {epsilon}{sub n, rms}, produced by the NGP is {epsilon}{sub n, rms} = 1.2 {pi} mm mrad for Q{sub T} = 0.3 nC. The 95% electron beam bunch length was measured to 10.9 psec. The emittance due to the finite magnetic field at the cathode has been studied. The scaling of this magnetic emittance term as a function of cathode magnetic field was found to be 0.01 {pi} mm mrad per Gauss. The 1.6 cell rf gun has been designed to reduce the dipole field asymmetry of the longitudinal accelerating field. Low level rf measurements show that this has in fact been accomplished, with an order of magnitude decrease in the dipole field. High power beam studies also show that the dipole field has been decreased. An upper limit of the intrinsic non-reducible thermal emittance of a photocathode under high field gradient was found to be {epsilon}{sub n, rms} = 0.8 {pi} mm mrad. Agreement is found between the theoretical calculation of the thermal emittance, {epsilon}{sub 0} = 0.62 {pi} mm mrad, and the experimental results, after taking into account all of the emittance contribution terms. The 1 nC emittance was found to be {epsilon}{sub n, rms} = 4.75 {pi} mm mrad with a 95% electron beam bunch length of 14.7 psec. Systematic bunch length measurements showed electron beam bunch lengthening due the electron beam charge. They will show that the discrepancy between measurement and simulation is due to three effects. The major effect is due to the variation of the QE in the photo-emitting area of the Cu cathode. Also, space charge emittance blowup in the transport line will be shown to be a significant effect because the electron beam is still in the space charge dominated regime. The last effect, which has been observed experimentally, is the electron bunch lengthening as a function of total electron bunch charge.
Book Synopsis The Physics and Applications of High Brightness Electron Beams by : Luigi Palumbo
Download or read book The Physics and Applications of High Brightness Electron Beams written by Luigi Palumbo and published by World Scientific. This book was released on 2007 with total page 729 pages. Available in PDF, EPUB and Kindle. Book excerpt: These proceedings comprise cutting-edge contributions by researchers at the frontiers of beam physics, free-electron-based light sources, and advanced accelerators. It represents a snap-shot of activity in these fields at a critical historical juncture, where rapid experimental progress is being reported, and new facilities such as X-ray free-electron lasers are under construction. The volume features invited contributions from leading researchers from the international beam physics community that summarize the state-of-the-art research in individual topics, as well as timely contributions from participants that arose during the workshop itself.
Book Synopsis Probing Luminous And Dark Matter: A Symposium In Honor Of Adrian Melissinos by : Ashok Das
Download or read book Probing Luminous And Dark Matter: A Symposium In Honor Of Adrian Melissinos written by Ashok Das and published by World Scientific. This book was released on 2000-07-20 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt: Of late, the fields of astroparticle physics, particle physics and nuclear physics have been developing at a dramatic speed. This book constitutes the proceedings of a symposium intended to highlight some of the main directions being pursued in these related areas, and to seek a commonality among them. The symposium was held to honor the many achievements of Professor Adrian Melissinos, who has contributed to most of the developments addressed at the meeting.
Book Synopsis The Physics and Applications of High Brightness Electron Beams by : INFN ELOISATRON Project. Workshop
Download or read book The Physics and Applications of High Brightness Electron Beams written by INFN ELOISATRON Project. Workshop and published by World Scientific. This book was released on 2007 with total page 729 pages. Available in PDF, EPUB and Kindle. Book excerpt: These proceedings comprise cutting-edge contributions by researchers at the frontiers of beam physics, free-electron-based light sources, and advanced accelerators. It represents a snap-shot of activity in these fields at a critical historical juncture, where rapid experimental progress is being reported, and new facilities such as X-ray free-electron lasers are under construction. The volume features invited contributions from leading researchers from the international beam physics community that summarize the state-of-the-art research in individual topics, as well as timely contributions from participants that arose during the workshop itself.
Book Synopsis Proceedings of the 46th Workshop of the INFN Eloisatron Project by : INFN ELOISATRON Project. Workshop
Download or read book Proceedings of the 46th Workshop of the INFN Eloisatron Project written by INFN ELOISATRON Project. Workshop and published by . This book was released on 2007 with total page 802 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Elementary Particles - Accelerators and Colliders by : Ugo Amaldi
Download or read book Elementary Particles - Accelerators and Colliders written by Ugo Amaldi and published by Springer. This book was released on 2013-03-27 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: After a historical consideration of the types and evolution of accelerators the physics of particle beams is provided in detail. Topics dealt with comprise linear and nonlinear beam dynamics, collective phenomena in beams, and interactions of beams with the surroundings. The design and principles of synchrotrons, circular and linear colliders, and of linear accelerators are discussed next. Also technological aspects of accelerators (magnets, RF cavities, cryogenics, power supply, vacuum, beam instrumentation, injection and extraction) are reviewed, as well as accelerator operation (parameter control, beam feedback system, orbit correction, luminosity optimization). After introducing the largest accelerators and colliders of their times the application of accelerators and storage rings in industry, medicine, basic science, and energy research is discussed, including also synchrotron radiation sources and spallation sources. Finally, cosmic accelerators and an outlook for the future are given.
Book Synopsis Next Linear Collider Test Accelerator Injector Design and Status by :
Download or read book Next Linear Collider Test Accelerator Injector Design and Status written by and published by . This book was released on 1994 with total page 3 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Next Linear Collider Test Accelerator (NLCTA) being built at SLAC will integrate the new technologies of X-band accelerator structures and RF systems for the Next Linear Collider, demonstrate multibunch beam-loading energy compensation and suppression of higher-order deflecting modes, measure transverse components of the accelerating field, and measure the dark current generated by RF field emission in the accelerator Injector design and simulation results for the NLCTA injector are discussed.
Book Synopsis An Engineering Guide to Photoinjectors by : Triveni Rao
Download or read book An Engineering Guide to Photoinjectors written by Triveni Rao and published by Createspace Independent Pub. This book was released on 2013-04-02 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is an introduction to the basic theory and engineering of advanced electron beam sources known as photoinjectors. Photoinjectors produce relativistic electrons for exciting new devices such as x-ray free electron lasers and the polarized beams for very high energy physics linear colliders. The chapters are written by renowned experts in the field who share their working knowledge of the technologies needed for designing and building photoinjectors.
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 1998 with total page 950 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the 1999 Particle Accelerator Conference by :
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 760 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis DESIGN, CONSTRUCTION, AND TESTING OF RF STRUCTURES FOR A PROTON LINEAR ACCELERATOR. by :
Download or read book DESIGN, CONSTRUCTION, AND TESTING OF RF STRUCTURES FOR A PROTON LINEAR ACCELERATOR. written by and published by . This book was released on 1964 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Preconceptual Design of an Injector for an NLC Engineering Test Facility by :
Download or read book Preconceptual Design of an Injector for an NLC Engineering Test Facility written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The preconceptual design of an S-band photo-injector system for a Next Linear Collider (NLC) Engineering Test Facility (ETF) at Fermi National Accelerator Laboratory (FNAL) has been completed. A photo-cathode gun will deliver a range of bunch charges up to 4 nC at around 190 MeV. The projected performance is 2.5 [pi] mm-mrad rms normalized transverse emittance at 1 nC and 6.7 [pi] mm-mrad at 3.6 nC bunch charge, for 0.5 mm rms radius spherical bunches with an energy spread of less than 0.1%. We describe the proposed beamline and the performance achieved in end-to-end simulations.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1993 with total page 754 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design of a 1-MV Induction Injector for the Relativistic Klystron Two-Beam Accelerator by :
Download or read book Design of a 1-MV Induction Injector for the Relativistic Klystron Two-Beam Accelerator written by and published by . This book was released on 1997 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: A Relativistic Klystron Two-Beam Accelerator (RK-TBA) is envisioned as a rf power source upgrade of the Next Linear Collider. Construction of a prototype, called the RTA, based on the RK-TBA concept has commenced at the Lawrence Berkeley National Laboratory. This prototype will be used to study physics, engineering, and costing issues involved in the application of the RK-TBA concept to linear colliders. The first half of the injector, a 1 MeV, 1.2 kA, 300 ns induction electron gun, has been built and is presently being tested. The design of the injector cells and the pulsed power drive units are presented in this paper.
Book Synopsis Synchrotron Light Sources and Free-Electron Lasers by : Eberhard J. Jaeschke
Download or read book Synchrotron Light Sources and Free-Electron Lasers written by Eberhard J. Jaeschke and published by Springer. This book was released on 2016-05-27 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hardly any other discovery of the nineteenth century did have such an impact on science and technology as Wilhelm Conrad Röntgen’s seminal find of the X-rays. X-ray tubes soon made their way as excellent instruments for numerous applications in medicine, biology, materials science and testing, chemistry and public security. Developing new radiation sources with higher brilliance and much extended spectral range resulted in stunning developments like the electron synchrotron and electron storage ring and the freeelectron laser. This handbook highlights these developments in fifty chapters. The reader is given not only an inside view of exciting science areas but also of design concepts for the most advanced light sources. The theory of synchrotron radiation and of the freeelectron laser, design examples and the technology basis are presented. The handbook presents advanced concepts like seeding and harmonic generation, the booming field of Terahertz radiation sources and upcoming brilliant light sources driven by laser-plasma accelerators. The applications of the most advanced light sources and the advent of nanobeams and fully coherent x-rays allow experiments from which scientists in the past could not even dream. Examples are the diffraction with nanometer resolution, imaging with a full 3D reconstruction of the object from a diffraction pattern, measuring the disorder in liquids with high spatial and temporal resolution. The 20th century was dedicated to the development and improvement of synchrotron light sources with an ever ongoing increase of brilliance. With ultrahigh brilliance sources, the 21st century will be the century of x-ray lasers and their applications. Thus, we are already close to the dream of condensed matter and biophysics: imaging single (macro)molecules and measuring their dynamics on the femtosecond timescale to produce movies with atomic resolution.
