Design of a {gamma}{sub t}-jump system for Fermilab Main Injector

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In order to control the beam emittance and reduce the particle losses during the transition crossing at high intensity, a conceptual design of a {gamma}{sub t}-jump system for the FNAL Main Injector is presented. It is a first-order system employing local dispersion inserts at existing dispersion free straight sections. The goal is to provide a jump of {Delta}{gamma}{sub t} from +1 to -1 within 0.5 ms. The system consists of 8 sets of pulsed quadrupole triplets. These quads have pole tips of the hyperbolic shape and thin laminations. The power supply uses a GTO as the fast switch and a ... continued below

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5 p.

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Chou, W., Brown, B.C., Fang, S., Leibfritz, J., Ng, K.Y., Pfeffer, H., Terechkine, I. June 1, 1997.

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Description

In order to control the beam emittance and reduce the particle losses during the transition crossing at high intensity, a conceptual design of a {gamma}{sub t}-jump system for the FNAL Main Injector is presented. It is a first-order system employing local dispersion inserts at existing dispersion free straight sections. The goal is to provide a jump of {Delta}{gamma}{sub t} from +1 to -1 within 0.5 ms. The system consists of 8 sets of pulsed quadrupole triplets. These quads have pole tips of the hyperbolic shape and thin laminations. The power supply uses a GTO as the fast switch and a resonant circuit with a 1 kHz resonant frequency. The elliptical beamtube is made of Inconel 718, which has high electrical resistivity and high strength. Details of the lattice layout and sub- systems design are presented.

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5 p.

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OSTI as DE97053531

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  • 17. IEEE particle accelerator conference, Vancouver (Canada), 12-16 May 1997

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  • Other: DE97053531
  • Report No.: FNAL/C--97/200
  • Report No.: CONF-970503--320
  • Grant Number: AC02-76CH03000
  • Office of Scientific & Technical Information Report Number: 524941
  • Archival Resource Key: ark:/67531/metadc689813

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  • June 1, 1997

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • April 1, 2016, 6:20 p.m.

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Chou, W., Brown, B.C., Fang, S., Leibfritz, J., Ng, K.Y., Pfeffer, H., Terechkine, I. Design of a {gamma}{sub t}-jump system for Fermilab Main Injector, article, June 1, 1997; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc689813/: accessed August 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.