Effects of temperature variation on the SLC linac RF system

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Description

The rf system of the Stanford Linear Collider in California is subjected to daily temperature cycles of up to 15{degrees}C. This can result in phase variations of 15{degrees} at 3 GHz over the 3 km length of the main drive line system. Subsystems show local changes of the order of 3{degrees} over 100 meters. When operating with flat beams and normalized emittances of 0.3*10{sup {minus}5} m-rad in the vertical plane, changes as small as 0.5{degrees} perturb the wakefield tail compensation and make continuous tuning necessary. Different approaches to stabilization of the RF phases and amplitudes are discussed.

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3 p.

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Decker, F.J.; Akre, R.; Byrne, M.; Farkas, Z.D.; Jarvis, H.; Jobe, K. et al. June 1, 1995.

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Description

The rf system of the Stanford Linear Collider in California is subjected to daily temperature cycles of up to 15{degrees}C. This can result in phase variations of 15{degrees} at 3 GHz over the 3 km length of the main drive line system. Subsystems show local changes of the order of 3{degrees} over 100 meters. When operating with flat beams and normalized emittances of 0.3*10{sup {minus}5} m-rad in the vertical plane, changes as small as 0.5{degrees} perturb the wakefield tail compensation and make continuous tuning necessary. Different approaches to stabilization of the RF phases and amplitudes are discussed.

Physical Description

3 p.

Notes

INIS; OSTI as DE95012558

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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: DE95012558
  • Report No.: SLAC-PUB--95-6883
  • Report No.: CONF-950512--66
  • Grant Number: AC03-76SF00515
  • Office of Scientific & Technical Information Report Number: 64160
  • Archival Resource Key: ark:/67531/metadc690435

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  • June 1, 1995

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • Feb. 5, 2016, 6:59 p.m.

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Decker, F.J.; Akre, R.; Byrne, M.; Farkas, Z.D.; Jarvis, H.; Jobe, K. et al. Effects of temperature variation on the SLC linac RF system, article, June 1, 1995; Menlo Park, California. (digital.library.unt.edu/ark:/67531/metadc690435/: accessed September 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.