LINAC2024 - Proceedings
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URLhttps://doi.org/10.18429/JACoW-LINAC2024-TUPB050
TitleDevelopment of the superconducting HWR cavities for NICA project
Authors
  • Z. Liang, M. Xu, J. Wang, C. Li, T. Tan, L. Liu, S. Zhang, H. Guo, P. Xiong, Y. He
    Institute of Modern Physics, Chinese Academy of Sciences
  • Q. Huang, P. Xiang
    Advanced Energy Science and Technology Guangdong Laboratory
AbstractNuclotron-based Ion Collider fAcility (NICA) is an accelerator complex under construction in JINR, in which superconducting linac-injector can accelerate protons up to 20 MeV and light ions to 7.5 MeV/u. To achieve this design target, a 325 MHz, beta = 0.21 niobium half-wave resonator (HWR) called HWR1 was developed jointly by IMP and JINR. This paper optimizes the electromagnetic design of NICA cavity, designs the mechanical structure (including helium jacket) and gives the results of multi-physical studies. Simulation results show that Epk/Eacc = 6.29, the coefficients of df/dp and LFD are 4.96 Hz/mbar and -1.28 Hz/(MV/m)^2, respectively. In addition, the niobium cavity has been fabricated and vertically tested, the magnetic shield and helium jacket are in the process of electron beam welding, and the cryomodule will be assembled in the next 1~2 months.
Paperdownload: TUPB050.pdf
CiteBibTeX, LaTeX, Text/Word, RIS, EndNote
Conference32nd Linear Accelerator Conference (LINAC2024)
Series
LocationChicago, IL, USA
Date25-30 Aug 2024
PublisherJACoW Publishing, Geneva, Switzerland
Editorial BoardKelly Jaje (ANL), Kip Bishofberger (LANL), Ryan Brody (ANL), Gustavo Bruno (ANL), Jan Chrin (PSI), Cathy Eyberger (ANL), Maggie Montes (SLAC), Denise Skiadopoulos (ANL), Ling Wang (MSU/FRIB), Kent Wootton (ANL)
Online ISBN978-3-95450-219-6
Online ISSN2226-0366
Received20 August 2024
Revised27 August 2024
Accepted27 August 2024
Issued23 October 2024
DOI10.18429/JACoW-LINAC2024-TUPB050
Pages431-433
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