Design of the Beam Delivery System for the International Linear Collider PDF Download
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Languages : en
Pages : 3
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Author:
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Languages : en
Pages : 3
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Category :
Languages : en
Pages : 5
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We review many developments in the design of the Beam Delivery System for the Next Linear Collider. The collimation system has been redesigned to reduce nonlinearities and ease tolerances, and the IP Switch line has been adjusted to permit a 300 meter longitudinal separation between the two detectors. Magnet designs have been changed to reduce the number of distinct magnet classes, produce a smoother vacuum chamber, and improve pumping. A revised set of interaction-region quadrupoles achieves the optical requirements of the system with improved beam stay-clears, and performance of the final focus at various energies has been simulated and found acceptable. Studies have begun on the set of feedbacks required to maintain the stability of the system and the changes in tolerances thus implied.
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Category : Almond
Languages : en
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Category :
Languages : en
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Author: Marc Beckmann
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Category :
Languages : en
Pages : 33
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Author: Martin Reiser
Publisher: John Wiley & Sons
ISBN: 3527622055
Category : Science
Languages : en
Pages : 674
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This indispensable work offers a broad synoptic description of beams, applicable to a wide range of other devices, such as low-energy focusing and transport systems and high-power microwave sources. The monograph develops the material from the basic principles in a systematic way and discusses the underlying physics and validity of theoretical relationships, design formulas and scaling laws. Assumptions and approximations are clearly indicated throughout. This new, revised and updated edition has 10% additional content, and features, among others, a new chapter on beam physics research from 1993 to 2007, significant enhancement of chapter 6 on emittance variation, updated references and color image plates.
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Languages : en
Pages : 5
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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.
Author: J. R. Delayen
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Category :
Languages : en
Pages :
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General formulae for resistive-wall induced beam dilution are presented and then applied to the final beam delivery system of linear colliders. Criteria for the design of final beam delivery systems are discussed.
Author: N. V. Mokhov
Publisher:
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Category :
Languages : en
Pages : 4
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Synchrotron radiation, beam-gas scattering and beam halo interactions with collimators and other components in the ILC beam delivery system (BDS) would create fluxes of muons and other secondaries which could exceed the tolerable levels at a detector by a few orders of magnitude. It is shown that with a multi-stage collimation system, magnetized iron spoilers which fill the tunnel and a set of masks in the detector, one can hopefully meet the design goals. Results of modeling with the STRUCT and MARS15 codes of beam loss and energy deposition effects are presented in this paper. We focus on the collimation system and mask performance optimization, short- and long-term survivability of the critical components (spoilers, absorbers and magnets), dynamic heat loads and radiation levels in magnets and other components, and machine-related backgrounds in collider detectors.
Author: L. Keller
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Category :
Languages : en
Pages : 3
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Book Description
The SLAC Linac can deliver damped bunches with ILC parameters for bunch charge and bunch length to End Station A.A 10Hz beam at 28.5 GeV energy can be delivered there, parasitic with PEP-II operation. We plan to use this facility to test prototype components of the Beam Delivery System and Interaction Region. We discuss our plans for this ILC Test Facility and preparations for carrying out experiments related to collimator wakefields and energy spectrometers. We also plan an interaction region mockup to investigate effects from backgrounds and beam-induced electromagnetic interference.
