KRAKEN, a numerical model of RHIC impedances

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The simulation code KRAKEN confirms analytical predictions of head-tail stability criteria, in the presence of momentum dependent linear coupling. It also confirms that resistive wall transverse wake fields are not a serious threat to strong head-tail stability in RHIC, at the vulnerable stage of proton injection. Equation 10, derived from the perspective of two macroparticles, potentially offers a very convenient seminumerical evaluation of the effects of arbitrary transverse wake potentials. It remains to be seen how well the two macroparticle results correlate with simulations using, say, 100 macroparticles. KRAKEN is still under rapid development. Future plans are to include resonant ... continued below

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4 p.

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Peggs, S. & Mane, V. May 1, 1995.

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Description

The simulation code KRAKEN confirms analytical predictions of head-tail stability criteria, in the presence of momentum dependent linear coupling. It also confirms that resistive wall transverse wake fields are not a serious threat to strong head-tail stability in RHIC, at the vulnerable stage of proton injection. Equation 10, derived from the perspective of two macroparticles, potentially offers a very convenient seminumerical evaluation of the effects of arbitrary transverse wake potentials. It remains to be seen how well the two macroparticle results correlate with simulations using, say, 100 macroparticles. KRAKEN is still under rapid development. Future plans are to include resonant wakefields, multiple bunches, space charge wakefields, betatron detuning, and a connection to the detailed RHIC impedance database.

Physical Description

4 p.

Notes

INIS; OSTI as DE95011563

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  • 16. Institute of Electrical and Electronic Engineers (IEEE) particle accelerator conference, Dallas, TX (United States), 1-5 May 1995

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  • Other: DE95011563
  • Report No.: BNL--61166
  • Report No.: CONF-950512--59
  • Grant Number: AC02-76CH00016
  • DOI: 10.2172/61198 | External Link
  • Office of Scientific & Technical Information Report Number: 61198
  • Archival Resource Key: ark:/67531/metadc699363

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • May 1, 1995

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • Feb. 1, 2016, 5:20 p.m.

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Peggs, S. & Mane, V. KRAKEN, a numerical model of RHIC impedances, report, May 1, 1995; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc699363/: accessed December 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.