Beam stability issues of the VLHC rings

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Beam stability issues of the VLHC rings in Phase 1 and Phase 2 are reviewed. For accelerator rings of circumference 232 km and beam pipe radius of the order of 1 cm, the impedance of the vacuum chamber is dominated by the resistive wall. The most dangerous instabilities are the single-bunch transverse mode coupling instability and the transverse coupled bunch instability driven by the resistive wall at sub-revolution frequency. Scaling is studied concerning the thresholds of these instabilities and the dominance of the resistive wall impedance as the size of the accelerator increases.

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266 Kilobytes pages

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Ng, K.-Y. May 8, 2001.

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Beam stability issues of the VLHC rings in Phase 1 and Phase 2 are reviewed. For accelerator rings of circumference 232 km and beam pipe radius of the order of 1 cm, the impedance of the vacuum chamber is dominated by the resistive wall. The most dangerous instabilities are the single-bunch transverse mode coupling instability and the transverse coupled bunch instability driven by the resistive wall at sub-revolution frequency. Scaling is studied concerning the thresholds of these instabilities and the dominance of the resistive wall impedance as the size of the accelerator increases.

Physical Description

266 Kilobytes pages

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  • Other Information: PBD: 8 May 2001

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  • Report No.: FERMILAB-TM-2147
  • Grant Number: AC02-76CH03000
  • DOI: 10.2172/780448 | External Link
  • Office of Scientific & Technical Information Report Number: 780448
  • Archival Resource Key: ark:/67531/metadc725143

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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.

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  • May 8, 2001

Added to The UNT Digital Library

  • Sept. 29, 2015, 5:31 a.m.

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  • April 1, 2016, 3:40 p.m.

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Ng, K.-Y. Beam stability issues of the VLHC rings, report, May 8, 2001; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc725143/: accessed June 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.