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|Title:||Design, analysis and multipacting studies of 650 MHz, =0.61 superconducting RF cavity|
|Abstract:||With the advancement of superconducting RF technologies in the past few decades, the superconducting RF (SCRF) cavities with high accelerating gradient have become the technology of choice for the future energy frontier linear accelerators. In India, DAE laboratories and other institutions are now actively involved in research and development activities on SCRF cavities and associated technologies for the proposed future high current, high energy proton linear accelerators like Spallation Neutron Source (SNS)/Accelerator Driven Sub-critical System (ADSS) and also for the Project-X program of FERMILAB, under Indian institutions- Fermilab collaboration (IIFC). This paper describes about the related work on the RF design of the single and five-cell SCRF cavities to be operated at 650 MHz frequency with velocity factor () of 0.61. The 2D and 3D simulations of the elliptical shape cavity with emphasis on re-entrant and elliptical shapes have also been studied. The comparative study of two different shapes of the above cavities has been carried out with regard to the dependence of peak surface electric and magnetic field on various geometrical parameters of the said cavity. The design philosophy of end-cell of the cavity has also been discussed. The optimized cavity has also been compared with existing designs of similar cavities done by Jefferson Lab (JLab) and Fermilab, USA. The preliminary 2D study of Multipacting phenomenon for the cavity has also been touched upon.|
|ISSN:||0975-1041 (Online); 0019-5596 (Print)|
|Appears in Collections:||IJPAP Vol.53(03) [March 2015]|
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