World Record Accelerating Gradient Achieved in a Superconducting Niobium RF Cavity

On November 16, 2004, a CW accelerating gradient of 46 MV/m was achieved in a superconducting niobium cavity with an unloaded quality factor (Q 0 ) over 1 × 10 10 at a temperature of 1.9 °K. In pulsed mode, 47 MV/m was achieved. This represents a world record gradient in a niobium RF resonator. At a...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Geng, R.L., Padamsee, H., Seaman, A., Shemelin, V.D.
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Acceleration Electric breakdown Geometry Magnetic fields Niobium Q factor Q measurement Radio frequency Temperature distribution Testing
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