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The Next Linear Collider
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Book Synopsis Progress in the Next Linear Collider Design by :
Download or read book Progress in the Next Linear Collider Design written by and published by . This book was released on 2000 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: An electron/positron linear collider with a center-of-mass energy between 0.5 and 1 TeV would be an important complement to the physics program of the LHC in the next decade. The Next Linear Collider (NLC) is being designed by a US collaboration (FNAL, LBNL, LLNL, and SLAC) which is working closely with the Japanese collaboration that is designing the Japanese Linear Collider (JLC). The NLC main linacs are based on normal conducting 11 GHz rf. This paper will discuss the technical difficulties encountered as well as the many changes that have been made to the NLC design over the last year. These changes include improvements to the X-band rf system as well as modifications to the injector and the beam delivery system. They are based on new conceptual solutions as well as results from the R and D programs which have exceeded initial specifications. The net effect has been to reduce the length of the collider from about 32 km to 25 km and to reduce the number of klystrons and modulators by a factor of two. Together these lead to significant cost savings.
Book Synopsis International Linear Collider (ILC) by : Alexey Drutskoy
Download or read book International Linear Collider (ILC) written by Alexey Drutskoy and published by Morgan & Claypool Publishers. This book was released on 2018-11-26 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: The International Linear Collider (ILC) is a mega-scale, technically complex project, requiring large financial resources and cooperation of thousands of scientists and engineers from all over the world. Such a big and expensive project has to be discussed publicly, and the planned goals have to be clearly formulated. This book advocates for the demand for the project, motivated by the current situation in particle physics. The natural and most powerful way of obtaining new knowledge in particle physics is to build a new collider with a larger energy. In this approach, the Large Hadron Collider (LHC) was created and is now operating at the world record center of-mass energy of 13 TeV. Although the design of colliders with a larger energy of 50-100 TeV has been discussed, the practical realization of such a project is not possible for another 20-30 years. Of course, many new results are expected from LHC over the next decade. However, we must also think about other opportunities, and in particular, about the construction of more dedicated experiments. There are many potentially promising projects, however, the most obvious possibility to achieve significant progress in particle physics in the near future is the construction of a linear e+e- collider with energies in the range (250-1000) GeV. Such a project, the ILC, is proposed to be built in Kitakami, Japan. This book will discuss why this project is important and which new discoveries can be expected with this collider.
Book Synopsis The Development of the Next Linear Collider at SLAC. by :
Download or read book The Development of the Next Linear Collider at SLAC. written by and published by . This book was released on 1992 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: At SLAC, we are pursuing the design of a Next Linear Collider (NLC) which would begin with a center-of-mass energy of 0.5 TeV and be upgradable to at least 1.0 TeV, and possibly 1.5 TeV. The luminosity is designed to be 1033 cm−2s−1 at the lower energy and 1034 cm−2s−1 at the top energy. In this paper, we discuss the accelerator physics issues which are important in our approach, and also the present state of the technology development. We also review the impact that the SLC has had in the evolution of our basic approach.
Download or read book The Next Linear Collider written by and published by . This book was released on 1990 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this paper we have outlined the basic issues important in the design of a Next Linear collider. The energy can be obtained by essentially conventional means, with the use of RF accelerating structures combined with high peak power RF sources -- klystrons -- which are similar to those used presently in the SLC. The key difference is the change of frequency by a factor of 4. For the structures this change of frequency presents no problem. Structures at 11.4 GHz have been constructed; damped and detuned structures have been built or are being designed. The power source is very close to realization. The klystron discussed this paper could easily provide enough power for the lower gradient option. The RF pulse compression necessary to achieve the proper pulse length has been tested and has behaved as theory would indicate. he luminosity of the Next Linear Collider is perhaps the more difficult problem. To reach the desired levels, it is necessary to compress the beam spot to a few hundred square nanometers. This situation is forced upon us by conservation of energy; the wall-plug power must be kept within reasonable bounds. In spite of the small size required, many of the tolerance can be brought to conventional values when compensation techniques are applied. The second major component to the luminosity increase is the acceleration of many bunches on each machine cycle. This increases the efficiency of the collider but also introduces many complications throughout all the subsystems. Experience have been gained at the SLC which accelerates three bunches on each cycle, and also at all long- pulse linacs which accelerate sometimes thousands of bunches on each cycle. Thus far, no fundamental problems have been discovered which would preclude the acceleration of trains of bunches.
Book Synopsis Svite de l' abregé dv traité & des articles de paix, d'entre l'Empire & la Süéde by :
Download or read book Svite de l' abregé dv traité & des articles de paix, d'entre l'Empire & la Süéde written by and published by . This book was released on 1648 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Verantwoording en inhoud van het gezamenlijk standpunt van de Kamers van Koophandel der zeehavens Amsterdam, Antwerpen en Rotterdam over de E.E.G.-vervoerpolitiek vastgesteld op 7 oktober 1964 by :
Download or read book Verantwoording en inhoud van het gezamenlijk standpunt van de Kamers van Koophandel der zeehavens Amsterdam, Antwerpen en Rotterdam over de E.E.G.-vervoerpolitiek vastgesteld op 7 oktober 1964 written by and published by . This book was released on 1964 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Linear Collider Physics in the New Millennium by : Keisuke Fujii
Download or read book Linear Collider Physics in the New Millennium written by Keisuke Fujii and published by World Scientific. This book was released on 2005 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: The high energy electron-positron linear collider is expected to provide crucial clues to many of the fundamental questions of our time: What is the nature of electroweak symmetry breaking? Does a Standard Model Higgs boson exist, or does nature take the route of supersymmetry, technicolor or extra dimensions, or none of the foregoing? This invaluable book is a collection of articles written by experts on many of the most important topics which the linear collider will focus on. It is aimed primarily at graduate students but will undoubtedly be useful also to any active researcher on the physics of the next generation linear collider.
Download or read book The Next Linear Collider written by and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent studies in elementary particle physics have made the need for an ee− linear collider able to reach energies of 500 GeV and above with high luminosity more compelling than ever [1]. Observations and measurements completed in the last five years at the SLC (SLAC), LEP (CERN), and the Tevatron (FNAL) can be explained only by the existence of at least one particle or interaction that has not yet been directly observed in experiment. The Higgs boson of the Standard Model could be that particle. The data point strongly to a mass for the Higgs boson that is just beyond the reach of existing colliders. This brings great urgency and excitement to the potential for discovery at the upgraded Tevatron early in this decade, and almost assures that later experiments at the LHC will find new physics. But the next generation of experiments to be mounted by the world-wide particle physics community must not only find this new physics, they must find out what it is. These experiments must also define the next important threshold in energy. The need is to understand physics at the TeV energy scale as well as the physics at the 100-GeV energy scale is now understood. This will require both the LHC and a companion linear electron-positron collider. A first Zeroth-Order Design Report (ZDR) [2] for a second-generation electron-positron linear collider, the Next Linear Collider (NLC), was published five years ago. The NLC design is based on a high-frequency room-temperature rf accelerator. Its goal is exploration of elementary particle physics at the TeV center-of-mass energy, while learning how to design and build colliders at still higher energies. Many advances in accelerator technologies and improvements in the design of the NLC have been made since 1996. This Report is a brief update of the ZDR.
Book Synopsis Physics Goals for the Planned Next Linear Collider Engineering Test Facility by :
Download or read book Physics Goals for the Planned Next Linear Collider Engineering Test Facility written by and published by . This book was released on 2001 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Next Linear Collider (NLC) Collaboration is planning to construct an Engineering Test Facility (ETF) at Fermilab. As presently envisioned, the ETF would comprise a fundamental unit of the NLC main linac to include X-band klystrons and modulators, a delay-line power-distribution system (DLDS), and NLC accelerating structures that serve as loads. The principal purpose of the ETF is to validate stable operation of the power-distribution system, first without beam, then with a beam having the NLC pulse structure. This paper concerns the possibility of configuring and using the ETF to accelerate beam with an NLC pulse structure, as well as of doing experiments to measure beam-induced wakefields in the rf structures and their influence back on the beam.
Book Synopsis Geistliche Lieder vnd Psalmen. ... M.D.L.III by :
Download or read book Geistliche Lieder vnd Psalmen. ... M.D.L.III written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Linear Collider Physics in the New Millennium by : Keisuke Fujii
Download or read book Linear Collider Physics in the New Millennium written by Keisuke Fujii and published by World Scientific. This book was released on 2005 with total page 518 pages. Available in PDF, EPUB and Kindle. Book excerpt: The high energy electronOCopositron linear collider is expected to provide crucial clues to many of the fundamental questions of our time: What is the nature of electroweak symmetry breaking? Does a Standard Model Higgs boson exist, or does nature take the route of supersymmetry, technicolor or extra dimensions, or none of the foregoing? This invaluable book is a collection of articles written by experts on many of the most important topics which the linear collider will focus on. It is aimed primarily at graduate students but will undoubtedly be useful also to any active researcher on the physics of the next generation linear collider."
Book Synopsis The Need for the Next Linear Collider by :
Download or read book The Need for the Next Linear Collider written by and published by . This book was released on 1990 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: The need for the next generation electron-positron collider is discussed within the context of the Standard Model and the physics that must lie beyond it.
Book Synopsis A Test Accelerator for the Next Linear Collider by :
Download or read book A Test Accelerator for the Next Linear Collider written by and published by . This book was released on 1993 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt: At SLAC, the authors are pursuing the design of a Next Linear Collider (NLC) which would begin with a center-of-mass energy of 0.5 TeV, and be upgradable to at least 1.0 TeV. To achieve this high energy, they have been working on the development of a high-gradient 11.4-GHz (X-band) linear accelerator for the main linac of the collider. In this paper, they present the design of a {open_quotes}Next Linear Collider Test Accelerator{close_quotes} (NLCTA). The goal of the NLCTA is to incorporate the new technologies of X-band accelerator structures, RF pulse compression systems and klystrons into a short linac which will then be a test bed for beam dynamics issues related to high-gradient acceleration.
Book Synopsis Challenges and Goals for Accelerators in the XXI Century by : Oliver Brning
Download or read book Challenges and Goals for Accelerators in the XXI Century written by Oliver Brning and published by World Scientific. This book was released on 2015 with total page 855 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The past 100 years of accelerator-based research have led the field from first insights into the structure of atoms to the development and confirmation of the Standard Model of physics. Accelerators have been a key tool in developing our understanding of the elementary particles and the forces that govern their interactions. This book describes the past 100 years of accelerator development with a special focus on the technological advancements in the field, the connection of the various accelerator projects to key developments and discoveries in the Standard Model, how accelerator technologies open the door to other applications in medicine and industry, and finally presents an outlook of future accelerator projects for the coming decades."--Provided by publisher.
Book Synopsis Overview of Collimation in the Next Linear Collider by :
Download or read book Overview of Collimation in the Next Linear Collider written by and published by . This book was released on 2001 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Next Linear Collider (NLC) requires a substantial system of beam collimators to minimize the halo-related backgrounds at the interaction point, provide machine protection against errant pulses, and limit radiation doses throughout the accelerator. In particular, the NLC design contains a complete 5-dimensional (x, x(prime), y, y(prime), energy) collimation system at the entrance and exit of the main linac; transverse collimators at the electron and positron sources, at the 250 MeV point in the injector linac, and immediately upstream of the damping rings; a series of collimators at points with substantial z-energy correlation for longitudinal collimation; and a final set of transverse and energy collimators in the final focus, a few hundred meters from the IP. We describe the systems above and estimate the intensity of the halo at each point, as well as the efficiency with which the halo is removed by the collimators.
Book Synopsis Progress Towards the Design of a Next Linear Collider by :
Download or read book Progress Towards the Design of a Next Linear Collider written by and published by . This book was released on 1990 with total page 3 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this paper is to review the ongoing research at SLAC toward the design of a next-generation linear collider (NLC). The energy of the collider is taken to be 0.5 TeV in the CM with a view towards upgrading to 1.0 TeV. The luminosity is in the range of 1033 to 1034 cm−2 sec−1. The energy is achieved by acceleration with a gradient of about a factor of five higher than SLC, which yields a linear collider approximately twice as long as SLC. The detailed trade-off length and acceleration will be based on total cost. A very broad optimum occurs when the total linear costs equals the total cost of RF power. The luminosity of the linear collider is obtained basically in two ways. First, the cross-sectional area of the beam is decreased primarily by decreasing the vertical size. This creates a flat beam and is useful for controlling beamstrahlung. Secondly, several bunches ((approximately)10) are accelerated on each RF fill in order to more efficiently extract energy from the RF structure. This effectively increases the repetition rate by an order of magnitude. In the next several sections, we trace the beam through the collider to review the research program at SLAC. 41 refs., 1 fig.
Book Synopsis Progress on Next Generation Linear Colliders by :
Download or read book Progress on Next Generation Linear Colliders written by and published by . This book was released on 1989 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In this paper, I focus on reviewing the issues and progress on a next generation linear collider with the general parameters of energy, luminosity, length, power, technology. The energy range is dictated by physics with a mass reach well beyond LEP, although somewhat short of SSC. The luminosity is that required to obtain 103 - 104 units of R0 per year. The length is consistent with a site on Stanford land with collisions occurring on the SLAC site. The power was determined by economic considerations. Finally, the technology was limited by the desire to have a next generation linear collider before the next century. 25 refs., 3 figs., 6 tabs.
