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open access

A high-power SLED 2 pulse compression system

Description: The enhancement of peak power by means of RF pulse compression has found important application for driving high energy electron linacs, the SLAC linac in particular. The SLAC Energy Doubler (SLED), however, yields a pulse shape in the form of a decaying exponential which limits the applicability of the method. Two methods of improving this situation have been suggested: binary pulse compression (BPC), in which the pulse is compressed by successive factors of two, and SLED II in which the pair o… more
Date: March 1, 1992
Creator: Kroll, N. M.; Farkas, Z. D.; Lavine, T. L.; Menegat, A.; Ruth, R. D.; Wilson, P. B. et al.
Partner: UNT Libraries Government Documents Department
open access

Progress at SLAC on high-power rf pulse compression

Description: Rf pulse compression is a technique for augmenting the peak power output of a klystron (typically 50--100 MW) to obtain the high peak power required to drive a linear collider at a high accelerating gradient (typically 200 MW/m is required for a gradient of 100 MV/m). The SLED pulse compression system, with a power gain of about 2.6, has been operational on the SLAC linac for more than a decade. Recently, a binary pulse-compression system with a power gain of about 5.2 has been tested up to an … more
Date: June 1, 1992
Creator: Wilson, P. B.; Farkas, Z. D.; Lavine, T. L.; Menegat, A.; Nantista, C.; Ruth, R. D. (Stanford Linear Accelerator Center, Menlo Park, CA (United States)) et al.
Partner: UNT Libraries Government Documents Department
open access

High-gradient studies on 11.4 GHz copper accelerator structures

Description: This paper is a progress report on studies carried out at SLAC to assess the high-gradient behavior of 11.4 GHz copper accelerator structures for future linear colliders. the structures which have been examined in the last year are a 7-cavity standing-wave (SW) section and a 30-cavity traveling-wave (TW)section. Both structures are of the constant-impedance uniform-aperture type with a 2{mu}/3 phase shift per cavity. The results presented here included new information on RF breakdown, field emi… more
Date: August 1, 1992
Creator: Wang, J. W.; Curry, R. A.; Deruyter, H.; Hoag, H. A.; Koontz, R. F.; Loew, G. A. et al.
Partner: UNT Libraries Government Documents Department
open access

Accelerator structure work for NLC

Description: The NLC design achieves high luminosity with multiple bunches in each RF pulse. Acceleration of a train of bunches without emittance growth requires control of long range dipole wakefields. SLAC is pursuing a structure design which suppresses the effect of wakefields by varying the physical dimensions of successive cells of the disk-loaded traveling wave structure in a manner which spreads the frequencies of the higher mode while retaining the synchronism between the electrons and the accelerat… more
Date: July 1, 1992
Creator: Miller, R. H.; Adolphsen, C.; Bane, K. L. F.; Deruyter, H.; Farkas, Z. D.; Hoag, H. A. et al.
Partner: UNT Libraries Government Documents Department
open access

Progress at SLAC on high-power rf pulse compression

Description: Rf pulse compression is a technique for augmenting the peak power output of a klystron (typically 50--100 MW) to obtain the high peak power required to drive a linear collider at a high accelerating gradient (typically 200 MW/m is required for a gradient of 100 MV/m). The SLED pulse compression system, with a power gain of about 2.6, has been operational on the SLAC linac for more than a decade. Recently, a binary pulse-compression system with a power gain of about 5.2 has been tested up to an … more
Date: June 1, 1992
Creator: Wilson, P. B.; Farkas, Z. D.; Lavine, T. L.; Menegat, A.; Nantista, C.; Ruth, R. D. et al.
Partner: UNT Libraries Government Documents Department
open access

A high-power SLED 2 pulse compression system

Description: The enhancement of peak power by means of RF pulse compression has found important application for driving high energy electron linacs, the SLAC linac in particular. The SLAC Energy Doubler (SLED), however, yields a pulse shape in the form of a decaying exponential which limits the applicability of the method. Two methods of improving this situation have been suggested: binary pulse compression (BPC), in which the pulse is compressed by successive factors of two, and SLED II in which the pair o… more
Date: March 1992
Creator: Kroll, N. M.; Farkas, Z. D.; Lavine, T. L.; Menegat, A.; Ruth, R. D.; Wilson, P. B. et al.
Partner: UNT Libraries Government Documents Department
open access

The development of the Next Linear Collider at SLAC

Description: 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 10{sup 33} cm{sup {minus}2}s{sup {minus}1} at the lower energy and 10{sup 34} cm{sup {minus}2}s{sup {minus}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… more
Date: February 1, 1992
Creator: Ruth, R. D.
Partner: UNT Libraries Government Documents Department
open access

Accelerator structure work for NLC

Description: The NLC design achieves high luminosity with multiple bunches in each RF pulse. Acceleration of a train of bunches without emittance growth requires control of long range dipole wakefields. SLAC is pursuing a structure design which suppresses the effect of wakefields by varying the physical dimensions of successive cells of the disk-loaded traveling wave structure in a manner which spreads the frequencies of the higher mode while retaining the synchronism between the electrons and the accelerat… more
Date: July 1, 1992
Creator: Miller, R. H.; Adolphsen, C.; Bane, K. L. F.; Deruyter, H.; Farkas, Z. D.; Hoag, H. A. et al.
Partner: UNT Libraries Government Documents Department
open access

The Next Linear Collider Test Accelerator

Description: During the past several years, there has been tremendous progress on the development of the RF system and accelerating structures for a Next Linear Collider (NLC). Developments include high-power klystrons, RF pulse-compression systems and damped/detuned accelerator structures to reduce wakefields. In order to integrate these separate development efforts into an actual X-band accelerator capable of accelerating the electron beams necessary for an NLC, we plan to build an NLC Test Accelerator (N… more
Date: September 1, 1992
Creator: Paterson, J. M.; Ruth, R. D.; Adolphsen, C.; Bane, K. L.; Burke, D. L.; Callin, R. S. et al.
Partner: UNT Libraries Government Documents Department
open access

High-gradient studies on 11. 4 GHz copper accelerator structures

Description: This paper is a progress report on studies carried out at SLAC to assess the high-gradient behavior of 11.4 GHz copper accelerator structures for future linear colliders. the structures which have been examined in the last year are a 7-cavity standing-wave (SW) section and a 30-cavity traveling-wave (TW)section. Both structures are of the constant-impedance uniform-aperture type with a 2{mu}/3 phase shift per cavity. The results presented here included new information on RF breakdown, field emi… more
Date: August 1, 1992
Creator: Wang, J. W.; Curry, R. A.; Deruyter, H.; Hoag, H. A.; Koontz, R. F.; Loew, G. A. et al.
Partner: UNT Libraries Government Documents Department
open access

The Next Linear Collider Test Accelerator

Description: During the past several years, there has been tremendous progress on the development of the RF system and accelerating structures for a Next Linear Collider (NLC). Developments include high-power klystrons, RF pulse-compression systems and damped/detuned accelerator structures to reduce wakefields. In order to integrate these separate development efforts into an actual X-band accelerator capable of accelerating the electron beams necessary for an NLC, we plan to build an NLC Test Accelerator (N… more
Date: September 1, 1992
Creator: Paterson, J. M.; Ruth, R. D.; Adolphsen, C.; Bane, K. L.; Burke, D. L.; Callin, R. S. et al.
Partner: UNT Libraries Government Documents Department
open access

The development of the Next Linear Collider at SLAC

Description: 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 10{sup 33} cm{sup {minus}2}s{sup {minus}1} at the lower energy and 10{sup 34} cm{sup {minus}2}s{sup {minus}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… more
Date: February 1, 1992
Creator: Ruth, R. D.
Partner: UNT Libraries Government Documents Department
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