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PAC 1987

Name: PAC 1987

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Date: 1987-01-01

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Created at: Fri Jul 27 23:53:37 -0700 2007

Updated at: Fri Jul 27 23:53:37 -0700 2007

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4 papers from the conference:

title: Transverse Focussing Using Plasma Wake Fields
format: conference proceeding
conference: PAC 1987
year: 1987
4 authors: D.B. Cline | Cole, B. | J.B. Rosenzweig | Norem, J.
abstract: Dense particle beams travelling in plasmas can produce very high electric and magnetic fields, and these fields, described by Chen and others can be used to accelerate and focus particles. The effects on trailing beams and self focussing can be strong and nonlinear. This paper discusses two aspects of self pinching beams: 1) the production of beams which do not self pinch, and 2) a short focal length plasma lens which uses self pinching to reduce beam sizes at the interaction point of a linear collider. As an example, we consider a final focus system for the Stanford Linear Collider, considering plasma production, vacuum system and backgrounds, and show how the luminosity could be increased using this system. We also discuss experimental tests of the plasma lens concept.
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title: Thermal Limits on Wave Amplitude in the Plasma Wake-Field Accelerator
format: conference proceeding
conference: PAC 1987
year: 1987
1 author: J.B. Rosenzweig
abstract: We discuss the nonlinear regime of the Plasma Wakefield Accelerator and its potential advantages over linear operation, and describe the general behavior of the plasma electron phase space in large amplitude plasma waves. We develop a Hamiltonian formalism for calculating the trapping of thermal electrons from the background plasma, and derive approximate limits on plasma wave amplitude due to loading by trapped electrons and other thermal effects.
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title: The UW/ANL plasma wake-field acceleration experiment
format: conference proceeding
conference: PAC 1987
year: 1987
5 authors: J.B. Rosenzweig | D.B. Cline | Cole, B. | Detra, J. | Sealy, P.
abstract: An experiment designed to test the physics of the plasma wake-field accelerator (PWFA) using the ANL (Argonne National Laboratory) Advanced Accelerator Test Facility is described. A discussion of theoretical predictions is followed by a status report on the experimental study of the plasma source and diagnostics, the beam diagnostics, and the computer control and data acquisition. The experimental goals are briefly examined. (8 References).
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title: Progress in the Design of a DC FEL Power Source Using a Pelletron Driver
format: conference proceeding
conference: PAC 1987
year: 1987
7 authors: Larson, D. J. | D.B. Cline | S. Anderson | J.B. Rosenzweig | Sundquist, M. L. | Adney, J. R. | Dehais, S. J.
abstract: We discuss progress in the design of a DC Free Electron Laser power source using a Pelletron electrostatic accelerator as a driver. Such a power source should deliver up to 200 kW DC power in wavelengths ranging from a few microns to a few centimeters. The advantages of this system for use as a power source for future acceleration techniques are its efficiency, tunability and high average power. In order to achieve DC operation of the system extremely high electron recovery efficiencies are required. It is also likely that FEL operation will result in a large spread of electron energies. These design constraints require the development of a highly efficient electron beam collector as well as beam optics capable of recirculating beams with a large energy spread. We present collector and beamline designs and include electron optics studies for the full range of operating conditions.
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