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Field-dependent surface resistance for superconducting niobium accelerating cavities
Superconducting cavities made from niobium allow accelerating gradients of about 50 MV/m close to the theoretical limit. Quite often, however, the rf losses increase with the gradient faster than quadratic. This observation is equivalent with a decrease of the quality factor Q with the gradient, ca...
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2011
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| Acceso en línea: | https://dx.doi.org/10.1103/PhysRevSTAB.14.101002 https://dx.doi.org/10.1103/PhysRevAccelBeams.24.069902 http://cds.cern.ch/record/1419185 |