CHROMATIC CORRECTION AND OPTICAL COMPENSATION IN THE SNS ACCUMULATOR RING USING SEXTUPOLES.

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The accumulator ring of the Spallation Neutron Source (SNS) will accumulate a high-intensity beam of 2.1 x 10{sup 14} protons in a single bunch with large transverse emittance of 160{pi} mm mrad at 95% beam intensity and energies of 1 to 1.3 GeV. In order to keep low beam losses ({approx} 10{sup {minus}4}) in the ring, it is necessary to control the chromaticity and to minimize the dependence of the optical properties on the momentum spread. In this paper, we describe the procedure to accomplish this by using chromaticity sextupoles. We finally discuss the impact of these sextupoles in non-linear ... continued below

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TSOUPAS,N.; GARDNER,C.J.; LEE,Y.Y.; PAPAPHILIPPOU,Y. & WEI,J. June 30, 2000.

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The accumulator ring of the Spallation Neutron Source (SNS) will accumulate a high-intensity beam of 2.1 x 10{sup 14} protons in a single bunch with large transverse emittance of 160{pi} mm mrad at 95% beam intensity and energies of 1 to 1.3 GeV. In order to keep low beam losses ({approx} 10{sup {minus}4}) in the ring, it is necessary to control the chromaticity and to minimize the dependence of the optical properties on the momentum spread. In this paper, we describe the procedure to accomplish this by using chromaticity sextupoles. We finally discuss the impact of these sextupoles in non-linear dynamics.

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3 pages

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INIS; OSTI as DE00776729

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  • SEVENTH EUROPEAN PARTICLE ACCELERATOR CONFERENCE, VIENNA (AT), 06/26/2000--06/30/2000

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  • Report No.: BNL--67373
  • Report No.: KC0204019
  • Grant Number: AC02-98CH10886
  • Office of Scientific & Technical Information Report Number: 776729
  • Archival Resource Key: ark:/67531/metadc716950

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  • June 30, 2000

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  • Sept. 29, 2015, 5:31 a.m.

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  • Nov. 9, 2015, 6:15 p.m.

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TSOUPAS,N.; GARDNER,C.J.; LEE,Y.Y.; PAPAPHILIPPOU,Y. & WEI,J. CHROMATIC CORRECTION AND OPTICAL COMPENSATION IN THE SNS ACCUMULATOR RING USING SEXTUPOLES., article, June 30, 2000; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc716950/: accessed April 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.