Achievement of 35 MV=m in the superconducting nine-cell cavities for TESLA
@article{Lilje2004AchievementO3, title={Achievement of 35 MV=m in the superconducting nine-cell cavities for TESLA}, author={Lutz Lilje and Eiji Kako and Denis Kostin and Axel Matheisen and W. D. Moeller and Dieter Proch and Detlef Reschke and K. Saito and Peter Schmueser and Stefan Simrock and T. Suzuki and K. J. Twarowski}, journal={Nuclear Instruments \& Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment}, year={2004}, volume={524}, pages={1-12} }
59 Citations
ACHIEVEMENT OF 35 MV/M IN THE TESLA SUPERCONDUCTING CAVITIES USING ELECTROPOLISHING AS A SURFACE TREATMENT
- Physics
- 2004
The Tera Electronvolt Superconducting Linear Accelerator TESLA [1] is the only linear electronpositron collider project based on superconductor technology for particle accelaration. In the first…
Development and Vertical Tests of CEPC 650-MHz Single-Cell Cavities with High Gradient
- PhysicsMaterials
- 2021
Electro-polishing of 650-MHz single-cell cavities of fine-grain niobium achieved state-of-the-art gradients of 35 MV/m after the EP process, which is extremely high for large elliptical cavities (frequency < 1 GHz).
A Review of the 1.3GHz Superconducting 9-Cell Cavity Fabrication for DESY
- Physics
- 2010
Since 1993, DESY ordered 166 1.3GHz 9-cell superconducting cavities. The cavities have been developed for the TeV-Energy Superconducting Linear Accelerator (TESLA) [1-4] and are used in the LINAC of…
Field-dependent surface resistance for superconducting niobium accelerating cavities
- Physics
- 2011
The performance of superconducting accelerating cavities improved quite significantly during the past decade and could be pushed up to the theoretical limits of the accelerating gradient for…
Vertical electropolishing for 1.3 GHz single- and nine-cell superconducting niobium cavities: A parametric optimization and rf performance
- Materials SciencePhysical Review Accelerators and Beams
- 2019
Electropolishing (EP) is a standard process for the treatment of the interior surface of niobium (Nb) superconducting radio-frequency (SRF) cavities used in particle accelerators. We previously…
Superconducting RF Cavity Development for the International Linear Collider
- PhysicsIEEE Transactions on Applied Superconductivity
- 2009
The International Linear Collider is planned as the next energy-frontier electron-positron accelerator. The main linacs of the collider are based on superconducting radio-frequency cavity technology,…
Assessment of the basic Parameters of the CERN SPL
- Physics
- 2008
The construction of a 4GeV Superconducting Proton Linac (the SPL) is now part of the Long Term Plan of CERN, and the construction of Linac4, its low-energy front end, has begun. For mid-2011 the…
HIGH-GRADIENT SUPERCONDUCTING RADIOFREQUENCY CAVITIES FOR PARTICLE ACCELERATION
- Physics
- 2006
The development of radiofrequency (RF) superconductivity for particle acceleration has reached a level where many projects consider its use. One of the many attractive features of these accelerating…
References
SHOWING 1-10 OF 32 REFERENCES
Superconducting TESLA cavities
- Physics
- 2000
The conceptional design of the proposed linear electron-positron collider TESLA is based on 9-cell 1.3 GHz superconducting niobium cavities with an accelerating gradient of Eacc >= 25 MV/m at a…
High-Field Slope in Superconducting Cavities Due to Magnetic Field Enhancement at Grain Boundaries
- Physics
- 1999
Quality ( ) degradation of superconducting, fieldemission-free cavities at high accelerating gradient ( acc MV/m) has been observed at a number of laboratories. This slope presents the main…
IMPROVEMENT OF CAVITY PERFORMANCE IN THE SACLAY/CORNELL/DESY’S SC CAVITIES
- Physics
- 1999
Development of 1.3 GHz Nb superconducting cavities for TESLA (TeV Energy Superconducting Linear Accelerator) has been carried out under an international collaboration. Three Saclay single-cell…
High Gradient Performance by Electropolishing with 1300 MHz Single and Multi-cell Niobium Superconducting Cavities
- Physics
- 1999
We reported the superiority of electropolishing on high gradient performance with 1300 MHz niobium bulk single cell cavities in the last SRF workshop in Abano in Italy. We are still doing the…
Alternative approaches for surface treatment of Nb superconducting cavities
- Materials Science
- 1999
With improvements in fabrication and ultra cleanliness techniques, the limitation on SC cavity performance now seems to be the surface state generated by the etching process. The influences of…
Preliminary Experience with ''In-Site'' Baking of Niobium Cavities
- Physics
- 2000
In a series of experiments several single cell and multi-cell niobium cavities made from reactor grade and high RRR niobium (frequencies were 700 MHz, 1300 MHz and 1497 MHz) have been baked--after…
A NON - ELECTROPOLISHED NIOBIUM CAVITY REACHED 40 MV/m AT SACLAY
- Physics
- 2002
A 40 MV/m accelerating gradient has been obtained in a niobium cavity after a chemical etching by using a three acids mixture. This technique is also called BCP as Buffer Chemical Polishing. This…
Electropolishing and in-situ Baking of 1.3 GHz Niobium Cavities
- Physics
- 1999
Three electropolished one-cell cavities were measured before and after in-situ bakeout under ultra-high vacuum conditions. Before bakeout the cavities showed a strong reduction in quality factor at…
On the Surface Barrier in Type II Superconductors
- Physics
- 1983
The surface barrier model originally proposed by Bean and Livingston is reinvestigated by taking account of the thermodynamic characteristics of a superconductor. The result shows that the first…
Surface Barrier in Type-II Superconductors
- Physics
- 1964
The interaction between a flux thread (quantized, fluxenclosing, supercurrent vortex) and the specimen surfuce of a semi-infinite type-II superconductor with a flux thread within it lying parallel to…