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Title: HOM frequency control of SRF cavity in high current ERLs

Abstract

The acceleration of high-current beam in Superconducting Radio Frequency (SRF) cavities is a challenging but essential for a variety of advanced accelerators. SRF cavities should be carefully designed to minimize the High Order Modes (HOM) power generated in the cavities by the beam current. The reduction of HOM power we demonstrate in a particular case can be quite large. This paper presents a method to systematically control the HOM resonance frequencies in the initial design phase to minimize the HOM power generation. This method is expected to be beneficial for the design of high SRF cavities addressing a variety of Energy Recovery Linac (ERL) applications.

Authors:
 [1];  [2]
  1. Brookhaven National Lab. (BNL), Upton, NY (United States)
  2. Brookhaven National Lab. (BNL), Upton, NY (United States); Stony Brook Univ., NY (United States)
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
OSTI Identifier:
1412773
Alternate Identifier(s):
OSTI ID: 1548930
Report Number(s):
BNL-114788-2017-JA
Journal ID: ISSN 0168-9002; R&D Project: KBCH139; KB0202011; TRN: US1800354
Grant/Contract Number:  
SC0012704; AC02–98CH10886
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment
Additional Journal Information:
Journal Volume: 883; Journal Issue: C; Journal ID: ISSN 0168-9002
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS

Citation Formats

Xu, Chen, and Ben-Zvi, Ilan. HOM frequency control of SRF cavity in high current ERLs. United States: N. p., 2017. Web. doi:10.1016/j.nima.2017.11.074.
Xu, Chen, & Ben-Zvi, Ilan. HOM frequency control of SRF cavity in high current ERLs. United States. doi:10.1016/j.nima.2017.11.074.
Xu, Chen, and Ben-Zvi, Ilan. Wed . "HOM frequency control of SRF cavity in high current ERLs". United States. doi:10.1016/j.nima.2017.11.074. https://www.osti.gov/servlets/purl/1412773.
@article{osti_1412773,
title = {HOM frequency control of SRF cavity in high current ERLs},
author = {Xu, Chen and Ben-Zvi, Ilan},
abstractNote = {The acceleration of high-current beam in Superconducting Radio Frequency (SRF) cavities is a challenging but essential for a variety of advanced accelerators. SRF cavities should be carefully designed to minimize the High Order Modes (HOM) power generated in the cavities by the beam current. The reduction of HOM power we demonstrate in a particular case can be quite large. This paper presents a method to systematically control the HOM resonance frequencies in the initial design phase to minimize the HOM power generation. This method is expected to be beneficial for the design of high SRF cavities addressing a variety of Energy Recovery Linac (ERL) applications.},
doi = {10.1016/j.nima.2017.11.074},
journal = {Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment},
issn = {0168-9002},
number = C,
volume = 883,
place = {United States},
year = {2017},
month = {12}
}

Journal Article:
Free Publicly Available Full Text
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Cited by: 1 work
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