Abstract
The LEP collider was operated during 1996 for the first time with superconducting cavities at the four interaction points. During operation for physics it was observed that the dissipated heat in the cavities is not only a function of the acceleration gradient, but depends also on beam characteristics such as intensity, bunch length and beam current. These beam effects had not been foreseen in the original heat budget of the LEP cryogenic system.
The observations indicating the beam effect and its origin are presented. The available capacity of the refrigerators demonstrates that cryogenics might become a limiting factor for the performance of the LEP collider.
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References
C. Wyss et al. LEP design report vol. III LEP2, CERN-AC/96–01(LEP2) (1996)
G. Cavallari, P. Gayet, G. Geschonke, M. Jimenez, S. Myers, Beam related thermal losses in the LEP SC RF system, CERN LEP2 note 97–40 (1997)
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© 1998 Springer Science+Business Media New York
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Gayet, P., Kaiser, D., Winkler, G. (1998). Beam Effects on the Cryogenic System of LEP 2. In: Kittel, P. (eds) Advances in Cryogenic Engineering. Advances in Cryogenic Engineering, vol 43. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-9047-4_14
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DOI: https://doi.org/10.1007/978-1-4757-9047-4_14
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4757-9049-8
Online ISBN: 978-1-4757-9047-4
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