TRANSVERSE ECHO MEASUREMENTS IN RHIC.

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Diffusion counteracts cooling and the knowledge of diffusion rates is important for the calculation of cooling times and equilibrium beam sizes. Echo measurements are a potentially sensitive method to determine diffusion rates, and longitudinal measurements were done in a number of machines. We report on transverse echo measurements in RHIC and the observed dependence of echo amplitudes on a number of parameters for beams of gold and copper ions, and protons. In particular they examine the echo amplitudes of gold and copper ion bunches of varying intensity, which exhibit different diffusion rates from intrabeam scattering.

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6 pages

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FISCHER, W. September 18, 2005.

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Diffusion counteracts cooling and the knowledge of diffusion rates is important for the calculation of cooling times and equilibrium beam sizes. Echo measurements are a potentially sensitive method to determine diffusion rates, and longitudinal measurements were done in a number of machines. We report on transverse echo measurements in RHIC and the observed dependence of echo amplitudes on a number of parameters for beams of gold and copper ions, and protons. In particular they examine the echo amplitudes of gold and copper ion bunches of varying intensity, which exhibit different diffusion rates from intrabeam scattering.

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6 pages

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  • THE INTERNATIONAL WORKSHOP ON BEAM COOLING AND RELATED TOPICS (COOL05); GALENA, IL; 20050918 through 20050923

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  • Report No.: BNL--75035-2005-CP
  • Grant Number: DE-AC02-98CH10886
  • Office of Scientific & Technical Information Report Number: 891912
  • Archival Resource Key: ark:/67531/metadc873807

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Office of Scientific & Technical Information Technical Reports

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  • September 18, 2005

Added to The UNT Digital Library

  • Sept. 21, 2016, 2:29 a.m.

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  • Dec. 12, 2016, 8:18 p.m.

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FISCHER, W. TRANSVERSE ECHO MEASUREMENTS IN RHIC., article, September 18, 2005; [Upton, New York]. (digital.library.unt.edu/ark:/67531/metadc873807/: accessed August 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.