High-Efficiency Absorber for Damping the Transverse Wake Fields

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Description

Transverse wake fields generated by intense beams may propagate long distances in the vacuum chamber and dissipate power in different shielded elements such as bellows, vacuum valves or vacuum pumps. Induced heating in these elements may be high enough to deteriorate vacuum conditions. We have developed a broadband water-cooled bellows-absorber to capture and damp these harmful transverse fields without impacting the longitudinal beam impedance. Experimental results at the PEP-II SLAC B-factory demonstrate high efficiency of this device. This absorber may be useful in other machines like synchrotron light sources or International Linear Collider.

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9 pages

Creation Information

Novokhatski, A.; Seeman, J.; Weathersby, S. & /SLAC February 28, 2007.

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Description

Transverse wake fields generated by intense beams may propagate long distances in the vacuum chamber and dissipate power in different shielded elements such as bellows, vacuum valves or vacuum pumps. Induced heating in these elements may be high enough to deteriorate vacuum conditions. We have developed a broadband water-cooled bellows-absorber to capture and damp these harmful transverse fields without impacting the longitudinal beam impedance. Experimental results at the PEP-II SLAC B-factory demonstrate high efficiency of this device. This absorber may be useful in other machines like synchrotron light sources or International Linear Collider.

Physical Description

9 pages

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  • Journal Name: Physical Review Special Topics - Accelerators and Beams (PRST-AB)

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  • Report No.: SLAC-PUB-12337
  • Grant Number: AC02-76SF00515
  • DOI: 10.1103/PhysRevSTAB.10.042003 | External Link
  • Office of Scientific & Technical Information Report Number: 900235
  • Archival Resource Key: ark:/67531/metadc891213

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  • February 28, 2007

Added to The UNT Digital Library

  • Sept. 22, 2016, 2:13 a.m.

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  • Dec. 7, 2016, 3:18 p.m.

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Novokhatski, A.; Seeman, J.; Weathersby, S. & /SLAC. High-Efficiency Absorber for Damping the Transverse Wake Fields, article, February 28, 2007; [Menlo Park, California]. (digital.library.unt.edu/ark:/67531/metadc891213/: accessed August 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.