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Stability of NSLS-II girder–magnet assembly

Published online by Cambridge University Press:  21 December 2010

V. Ravindranath ,
S. Sharma ,
L. Doom ,
C. Channing ,
F. Lincoln ,
A. Jain  and
P. Joshi
V. Ravindranath*
Affiliation:
National Synchrotron Light Source II BNL (NSLS) II, Brookhaven National Laboratory, Upton, NY 11973, USA
S. Sharma
Affiliation:
National Synchrotron Light Source II BNL (NSLS) II, Brookhaven National Laboratory, Upton, NY 11973, USA
L. Doom
Affiliation:
National Synchrotron Light Source II BNL (NSLS) II, Brookhaven National Laboratory, Upton, NY 11973, USA
C. Channing
Affiliation:
National Synchrotron Light Source II BNL (NSLS) II, Brookhaven National Laboratory, Upton, NY 11973, USA
F. Lincoln
Affiliation:
National Synchrotron Light Source II BNL (NSLS) II, Brookhaven National Laboratory, Upton, NY 11973, USA
A. Jain
Affiliation:
Superconducting Magnet Division BNL, Upton, NY 11973-5000, USA
P. Joshi
Affiliation:
Superconducting Magnet Division BNL, Upton, NY 11973-5000, USA
*
†Email address for correspondence:vishy@bnl.gov
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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.

Type
Poster paper
Information
Diamond Light Source Proceedings , Volume 1 , Issue MEDSI-6 , October 2010 , e47
Copyright
Copyright © Diamond Light Source Ltd 2010

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References

REFERENCES

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.Google Scholar
Ravindranath, V., Sharma, S., Jain, A., Ping, H., Doom, L. & Lincoln, F. 2008 Vibration Stability of NSLS-II Girder-Magnets Assembly. MEDSI, Saskatchewan, Canada.Google Scholar