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@inproceedings{kedia:ipac2021-mopab337,
author = {S. Kedia and R. Ahuja and R. Mehta and C.P. Safvan},
title = {{Design Study of the Spiral Buncher Cavities for the High Current Injector at IUAC}},
booktitle = {Proc. IPAC'21},
pages = {1048--1050},
eid = {MOPAB337},
language = {english},
keywords = {cavity, linac, impedance, bunching, rfq},
venue = {Campinas, SP, Brazil},
series = {International Particle Accelerator Conference},
number = {12},
publisher = {JACoW Publishing, Geneva, Switzerland},
month = {08},
year = {2021},
issn = {2673-5490},
isbn = {978-3-95450-214-1},
doi = {10.18429/JACoW-IPAC2021-MOPAB337},
url = {https://jacow.org/ipac2021/papers/mopab337.pdf},
note = {https://doi.org/10.18429/JACoW-IPAC2021-MOPAB337},
abstract = {{Two high energy beam transport (HEBT) cavities have been designed to provide the longitudinal beam bunching between drift tube linac and superconducting super-buncher of the superconducting linear (SC-LINAC) accelerator. The spiral type cavities were chosen over standard quarter wave-type geometry due to its higher shunt impedance. The TRACE-3D ion-optical codes have been used to determine the bunching voltage and physical location of the cavities. The two-gap RF cavity requires 80 kV/gap to provide the longitudinal beam bunching at the entrance of the superconducting buncher. The CST-MWS simulations were performed to design the spiral type bunching cavities. The various parameters including shunt impedance, quality factor, average accelerating field, and total power loss were determined using CST-MWS simulations. The ratio of drift tube radius to the gap was optimized to achieve the maximum effective electric field with minimum field penetration within the gap. The SolidWorks software has been used to prepare a mechanical model for the fabrication.}},
}