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Stability of NSLS-II girder–magnet assembly

  • V. Ravindranath (a1), S. Sharma (a1), L. Doom (a1), C. Channing (a1), F. Lincoln (a1), A. Jain (a2) and P. Joshi (a2)...

Abstract

The low-emittance design of the NSLS-II (a new state-of-the-art medium energy third-generation storage ring) requires that the uncorrelated vertical RMS motion between the multipole magnets on a girder be less than 25 nm. The stability of the girder–magnet assembly is affected by factors such as ambient vibration, temperature fluctuations and diurnal floor motion in the storage ring. In this paper we discuss the design features of a high-stability girder–magnet assembly for the NSLS-II.

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Email address for correspondence:vishy@bnl.gov

References

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Katsura, T., Kamiyat, Y., Araki, A., Nakamura, H. & Fujita, Y. 1992 Variation of the Circumference in a Storage Ring and Expansion of the Building. EPAC, Berlin, Germany.
Ravindranath, V., Sharma, S., Jain, A., Ping, H., Doom, L. & Lincoln, F. 2008 Vibration Stability of NSLS-II Girder-Magnets Assembly. MEDSI, Saskatchewan, Canada.

Stability of NSLS-II girder–magnet assembly

  • V. Ravindranath (a1), S. Sharma (a1), L. Doom (a1), C. Channing (a1), F. Lincoln (a1), A. Jain (a2) and P. Joshi (a2)...

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