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Author: Publisher: ISBN: Category : Languages : en Pages : 12
Book Description
The purpose of this paper is to review the ongoing research at SLAC toward a next-generation linear collider (NLC). The energy of the collider is taken to be 0.5 TeV in the CM with 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 between length and acceleration will be based on total cost. A very broad optimum occurs when the total linear costs equal the total cost of RF power. 36 refs., 3 figs., 3 tabs.
Author: Publisher: ISBN: Category : Languages : en Pages : 12
Book Description
The purpose of this paper is to review the ongoing research at SLAC toward a next-generation linear collider (NLC). The energy of the collider is taken to be 0.5 TeV in the CM with 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 between length and acceleration will be based on total cost. A very broad optimum occurs when the total linear costs equal the total cost of RF power. 36 refs., 3 figs., 3 tabs.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
At CERN, KEK, Novosibirsk and SLAC, serious thought is being given to the design of linear colliders in the 0.5--2.0 TeV center-of-mass energy range. This paper reviews current progress at SLAC toward the design of such a collider. No attempt is made here to summarize ongoing work at the other laboratories. However, research on linear colliders is clearly an international effort, and success at SLAC will be greatly expedited by communication and cooperation with other laboratories in the US and abroad. In addition to major programs at the laboratories mentioned above, contributions relevant to linear collider design are being made at DESY, LAL (Orsay), LBL, LLNL and elsewhere. 49 refs., 6 tabs.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
The study of electron-positron (ee/sup -/) annihilation in storage ring colliders has been very fruitful. It is by now well understood that the optimized cost and size of ee/sup /minus// storage rings scales as E(sub cm/2 due to the need to replace energy lost to synchrotron radiation in the ring bending magnets. Linear colliders, using the beams from linear accelerators, evade this scaling law. The study of e/sup +/e/sup /minus// collisions at TeV energy will require linear colliders. The luminosity requirements for a TeV linear collider are set by the physics. Advanced accelerator research and development at SLAC is focused toward a TeV Linear Collider (TLC) of 0.5--1 TeV in the center of mass, with a luminosity of 1033−−1°sup 34/. The goal is a design for two linacs of less than 3 km each, and requiring less than 100 MW of power each. With a 1 km final focus, the TLC could be fit on Stanford University land (although not entirely within the present SLAC site). The emphasis is on technologies feasible for a proposal to be framed in 1992. Linear collider development work is progressing on three fronts: delivering electrical energy to a beam, delivering a focused high quality beam, and system optimization. Sources of high peak microwave radio frequency (RF) power to drive the high gradient linacs are being developed in collaboration with Lawrence Berkeley Laboratory (LBL) and Lawrence Livermore National Laboratory (LLNL). Beam generation, beam dynamics and final focus work has been done at SLAC and in collaboration with KEK. Both the accelerator physics and the utilization of TeV linear colliders were topics at the 1988 Snowmass Summer Study. 14 refs., 4 figs., 1 tab.
Author: Publisher: ISBN: Category : Languages : en Pages : 3
Book Description
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.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
The SLAC linear collider, in which beams of electrons and positrons are accelerated simultaneously, is described. Specifications of the proposed system are given, with calculated preditions of performance. New areas of research made possible by energies in the TeV range are discussed. (GHT).
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
The acceleration of multiple bunches per RF fill of the linac accelerating structures is an important feature of the SLAC design for a next-generation linear collider, in order to use the RF as efficiently as possible and to obtain a higher luminosity. In this paper, we give simulation results on the control of multibunch instabilities in the subsystems of a 1.0 TeV linear collider (TLC) and an ''intermediate'' linear collider (ILC) of about 0.5 TeV center of mass energy. 4 refs., 4 figs., 11 tabs.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
This paper discusses current thinking at SLAC concerning the design of a newer collider that will have a luminosity on the order of 1033 cm−2 s−1 and a beamstrahlung energy loss on the order of .3. 13 refs., 1 fig., 1 tab. (LSP).
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Author: R.D. RUTH
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