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@InProceedings{mustapha:napac2019-weplm72,
author = {B. Mustapha and A. Abogoda and A. Barcikowski and R.L. Fischer and A. Nassiri},
title = {{Design of a High-Gradient S-Band Annular Coupled Structure}},
booktitle = {Proc. NAPAC'19},
pages = {762--764},
paper = {WEPLM72},
language = {english},
keywords = {coupling, cavity, linac, Windows, operation},
venue = {Lansing, MI, USA},
series = {North American Particle Accelerator Conference},
number = {4},
publisher = {JACoW Publishing, Geneva, Switzerland},
month = {10},
year = {2019},
issn = {2673-7000},
isbn = {978-3-95450-223-3},
doi = {10.18429/JACoW-NAPAC2019-WEPLM72},
url = {http://jacow.org/napac2019/papers/weplm72.pdf},
note = {https://doi.org/10.18429/JACoW-NAPAC2019-WEPLM72},
abstract = {At Argonne, we have recently developed a conceptual design for a compact linear accelerator for ion beam therapy named ACCIL [1]. A linac-based ion-beam therapy facility offers many advantages over existing synchrotron based facilities. In addition to the reduced footprint, ACCIL offers more flexibility in beam tuning, including pulse-per-pulse energy and intensity modulation and fast switching between ion species. Essential to the compactness of the ACCIL linac are high-gradient structures for low to intermediate velocity ions, capable of accelerating fields of ~ 50 MV/m. For this purpose, we have designed an S-band annular-coupled structure (ACS). An ACS has the desired qualities of high electric field limit, high shunt-impedance, large area for magnetic coupling and good cooling capacity, making it a very promising candidate for high-gradient operations. We here present the optimized RF design for a β ~ 0.4 ACS.},
}