Download or read book Dispersion and Interbunch Energy Variation for an E Sup E Sup Minus Linear Collider written by and published by . This book was released on 1990 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent studies concerning optimization parameters for ee− super linear colliders use multiple particle bunches for each rf pulse to increase the luminosity and overall efficiency. Requirements for final focusing of the beams severely restrict the bunch to bunch energy variation during the rf pulse. To accurately determine the accelerating fields and energy variation, the dispersion related transient behavior of the rf drive pulse must be considered. A numerical study of dispersion effects on several different accelerating structures is presented.

Download or read book Dispersion and Interbunch Energy Variation for an E sup minus Linear Collider written by T.L. Houck and published by . This book was released on 1990 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Government Reports Announcements Index written by and published by . This book was released on 1991 with total page 530 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Particle Physics Research at a 500 GeV E Sup E Sup Minus Linear Collider written by and published by . This book was released on 1990 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: The physics opportunities at an ee− collider operating at a center-of-mass energy of 500 GeV are reviewed. 30 refs., 5 figs.

Download or read book Physics at TeV E Sup E Sup Minus Linear Colliders written by and published by . This book was released on 1992 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt: A survey is presented of the physics opportunities at TeV ee− linear colliders. Examples are given of physics that might emerge in e+e− collisions and in?? collisions using the back-scattered laser technique, including?? 2!ZZ scattering as a probe of ultraheavy quanta. The second portion of the talk focuses on physics that must emerge at or below the TeV scale--the mechanism of electroweak symmetry breaking. In particular a very rough estimate is presented of the most challenging possible signal of symmetry breaking, strong WW scattering, as a function of collider energy. A subtheme, made explicit in the concluding section, is the continuing complementarity of e+e− and pp colliders in the domain of TeV physics.

Download or read book Prospects for Next generation E Sup E Sup Minus Linear Colliders written by and published by . This book was released on 1990 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this paper is to review progress in the US towards a next generation linear collider. During 1988, there were three workshops held on linear colliders: Physics of Linear Colliders, '' in Capri, Italy, June 14--18, 1988; Snowmass 88 (Linear Collider subsection) June 27--July 15, 1988; and SLAC International Workshop on Next Generation Linear Colliders, November 28--December 9, 1988. In this paper, I focus on reviewing the issues and progress on a next generation linear collider. 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 collision occurring on the SLAC site; the power was determined by economic considerations. Finally, the technology as limited by the desire to have a next generation linear collider by the next century. 37 refs., 3 figs., 6 tabs.

Download or read book Government Reports Annual Index written by and published by . This book was released on 1991 with total page 1656 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book E sup plus e sup minus Linear Colliders and New Particle Searches written by and published by . This book was released on 1993 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt: We discuss future e[sup +]e[sup [minus]] linear colliders and new particle searches that can be done with them. In the discussion of new particle searches we examine the following topics: searches for gauge boson structure, searches for a strongly interacting Higgs sector, top quark studies, Higgs searches, supersymmetric particle searches and measurements of soft supersymmetry breaking parameters.

Download or read book Probing Strongly interacting Electroweak Dynamics Through W sup W sup minus ZZ Ratios at Future E sup e sup minus Colliders written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors point out that the ratio of W[sup+]W[sup[minus]][yields] W[sup+]W[sup[minus]] and W[sup+]W[sup[minus]][yields] ZZ cross sections is a sensitive probe of the dynamics of electroweak symmetry breaking, in the CM energy region[radical]s[sub ww][approx-gt] 1 TeV where vector boson scattering may well become strong. They suggest ways in which this ratio can be extracted at a 1.5 TeV e[sup+]e[sup[minus]] linear collider, using W[sup[+-]], Z[yields] jj hadronic decays and relying on dijet mass resolution to provide statistical discrimination between W[sup[+-]] and Z. WW fusion processes studied here are unique for exploring scalar resonances of mass about 1 TeV and are complementary to studies via the direct channel e[sup+]e[sup[minus]][yields] W[sup+]W[sup[minus]] for the vector and non-resonant cases. With an integrated luminosity of 200 fb[sup[minus]1], the signals obtained are statistically significant. Comparison with a study of e[sup[minus]]e[sup[minus]][yields][nu][nu]W[sup[minus]]W[sup[minus]] process is made. Enhancements of the signal rate from using a polarized electron beam, or at a 2 TeV e[sup+]e[sup[minus]] linear collider and possible higher energy[mu][sup+][mu][sup[minus]] colliders, are also presented.

Download or read book Attaining High Luminosity in Linear E Sup E Sup Minus Colliders written by and published by . This book was released on 1990 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: The attainment of high luminosity in linear colliders is a complex problem because of the interdependence of the critical parameters. For instance, changing the number of particles per bunch affects the damping ring design and thus the emittance; it affects the wakefields in the linac and thus the momentum spread; the momentum spread affects the final focus design and thus the final [beta]*; but the emittance change also affects the final focus design; and all these come together to determine the luminosity, disruption and beamstrahlung at the intersection. Changing the bunch length, or almost any other parameter, has a similar chain reaction. Dealing with this problem by simple scaling laws is very difficult because one does not know which parameter is going to be critical, and thus which should be held constant. One can only maximize the luminosity by a process of search and iteration. The process can be facilitated with the aid of a computer program. Examples can then be optimized for maximum luminosity, and compared to the optimized solutions with different approaches. This paper discusses these approaches.

Download or read book PROSPECTS FOR NEXT GENERATION E SUP E SUP MINUS LINEAR COLLIDERS written by R.D. RUTH and published by . This book was released on 1990 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Prospects for Physics at Ee Linear Colliders written by and published by . This book was released on 1988 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The present thinking on high-energy e/sup /plus//e/sup /minus// linear colliders is reviewed, stressing those points that have consequences for detector design and physics analyses. Detector requirements are discussed. Experimental aspects of the physics that can be done at these colliders are discussed: first the general physics environment, then a standard process, W/sup /plus// W/sup /minus// detection, and finally four examples of the discovery potential of these colliders -- heavy quarks, heavy leptons, standard Higgs bosons, and charged Higgs bosons. The conclusions of this study will be stated. 23 refs., 40 figs.

Download or read book Experimental Approaches at Linear Colliders written by and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Precision measurements have played a vital role in our understanding of elementary particle physics. Experiments performed using e[sup+]e[sup -] collisions have contributed an essential part. Recently, the precision measurements at LEP and SLC have probed the standard model at the quantum level and severely constrained the mass of the Higgs boson[1]. Coupled with the limits on the Higgs mass from direct searches[2], this enables the mass to be constrained to be in the range 115-205 GeV. Developments in accelerator R and D have matured to the point where one could contemplate construction of a linear collider with initial energy in the 500 GeV range and a credible upgrade path to[approx] 1 TeV. Now is therefore the correct time to critically evaluate the case for such a facility. The Working Group E3, Experimental Approaches at Linear Colliders, was encouraged to make this evaluation. The group was charged with examining critically the physics case for a Linear Collider (LC) of energy of order 1 TeV as well as the cases for higher energy machines, assessing the performance requirements and exploring the viability of several special options. In addition it was asked to identify the critical areas where R and D is required (the complete text of the charge can be found in the Appendix). In order to address this, the group was organized into subgroups, each of which was given a specific task. Three main groups were assigned to the TeV-class Machines, Multi-TeV Machines and Detector Issues. The central activity of our working group was the exploration of TeV class machines, since they are being considered as the next major initiative in high energy physics. We have considered the physics potential of these machines, the special options that could be added to the collider after its initial running, and addressed a number of important questions. Several physics scenarios were suggested in order to benchmark the physics reach of the linear collider and persons were appointed to maintain contacts with the relevant activities in the various Physics Working Groups. Special options considered were precision electroweak studies that could be done by running the collider at and near the Z pole (so called Giga Z running); collisions involving[gamma][gamma], e[sup -]e[sup -], or e[gamma] interactions; and positron beam polarization. The following questions were posed in order to focus the discussions: (1) In view of the fact that the luminosity is a function of energy, what are the trade-offs involved in selecting the energy. (2) What is the argument for proceeding with the construction of a Linear collider as soon as possible rather than waiting for data from LHC? (3) In the context of a definite physics scenario, what is a realistic run plan? i.e. How much luminosity at each energy? (4) What should be the initial energy of a linear collider and to what energy should that machine extended?

Download or read book The Development of Colliders written by Claudio M. Pellegrini and published by Springer Science & Business Media. This book was released on 1995-01-31 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: Market: Physicists, especially beam physicists and elementary particle physicists, as well as science historians and students. In the 1950s and 60s a revolution took place in our ability to handle and manipulate particle beams. This revolution cleared a path for major advances and changed forever the way matter is explored at the subnuclear level. This volume gathers together for the first time the seminal papers on the development and expansion of collider physics. Included are groundbreaking writings from Gersh Budker, Donald Kerst, Bruno Touschek, Nobel laureate Simon van der Meer, Gerry O'Neill, Ernest Courant, Keith Symon, and others. The editors, Claudio Pellegrini and Andrew Sessler, were colleagues of many of these notable contributors and witnesses to the development of virtually every machine mentioned in the book.

Download or read book Accelerator Physics Technology and Applications written by Alex Chao and published by World Scientific. This book was released on 2004 with total page 639 pages. Available in PDF, EPUB and Kindle. Book excerpt: Originally invented for generating the first artificial nuclear reactions, particle accelerators have undergone, during the past 80 years, a fascinating development that is an impressive example of the inventiveness and perseverance of scientists and engineers. Since the early 1980s, accelerator science and technology has been booming. Today, accelerators are the prime tool for high energy physics to probe the structure of matter to an unknown depth. They are also, as synchrotron radiation sources, the most versatile tool for characterizing materials and processes and for producing micro- and nanostructured devices. The determination of the structure of large biomolecules is presently among the best examples of the application of synchrotron radiation. Finally, accelerators have grown more and more important for medicine, which is relying on them for advanced cancer therapy and radio-surgery. And there are more applications, including the generation of neutrons for materials science, the transmutation of nuclear waste with simultaneous production of electrical power, the sterilization of medical supplies and of foodstuff, and the inspection of trucks by customs or security services. This book is meant to provide basic training in modern accelerators for students, teachers, and interested scientists and engineers working in other fields. It is a result of the 3rd International Accelerator School, held in 2002 in Singapore under the auspices of the Overseas Chinese Physics Association (OCPA). Reputable experts, including a recent prize-winner, cover the field of cyclic and linear accelerators from the basic theoretical tools to forefront developments such as the X-ray free electron laser or the latest proton therapy facilities under construction. Accelerators, the art of building them, and the science for understanding their function have become a very exciting field of research. This book conveys the excitement of the experts to the reader. The proceedings have been selected for coverage in: . OCo Index to Scientific & Technical Proceedings- (ISTP- / ISI Proceedings). OCo Index to Scientific & Technical Proceedings (ISTP CDROM version / ISI Proceedings). OCo CC Proceedings OCo Engineering & Physical Sciences."

Download or read book Scintillating fibre Calorimetry written by Michele Livan and published by . This book was released on 1995 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Tesla written by Nigel Cawthorne and published by Chartwell Books. This book was released on 2014-04-05 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Despite being incredibly popular during his time, Nikola Tesla today remains largely overlooked among lists of the greatest inventors and scientists of the modern era. Thomas Edison gets all the glory for discovering the light bulb, but it was his one-time assistant and lifelong arch nemesis, Tesla, who made the breakthrough in alternating current technology. Edison and Tesla carried on a bitter feud for years, but it was Tesla's AC generators that illuminated the 1893 World's Fair in Chicago; the first time that an event of such magnitude had ever taken place under artificial light. Today, all homes and electrical appliances run on Tesla's AC current. Born in Croatia in 1856, Tesla spoke eight languages and almost single-handedly developed household electricity. During his life, he patented more than 700 inventions. He invented electrical generators, FM radio, remote control robots, spark plugs and fluorescent lights. He had a photographic memory and did advanced calculus and physics equations in his head. Nikola Tesla was the ultimate mad scientist. Like many other geniuses throughout history, Tesla was wildly eccentric. He was prone to nervous breakdowns, reported receiving odd visions in the middle of the night, spoke to pigeons, and occasionally thought he was receiving electromagnetic signals from Mars. If he'd lived today, he'd likely be diagnosed with an obsessive compulsive disorder: he hated round objects and disliked numbers that weren't divisible by the three.