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Experimental and simulational result of multipactors in 112 MHz QWR injector

  • T. Xin
  • , I. Ben-Zvi
  • , S. Belomestnykh
  • , J. C. Brutus
  • , J. Skaritka
  • , Q. Wu
  • , B. Xiao
  • Brookhaven National Laboratory
  • Stony Brook University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

The first RF commissioning of 112 MHz QWR superconducting electron gun was done in late 2014. The coaxial Fundamental Power Coupler (FPC) and Cathode Stalk (stalk) were installed and tested for the first time. During this experiment, we observed several multipacting barriers at different gun voltage levels. The simulation work was done within the same range. The comparison between the experimental observation and the simulational results are presented in this paper. The observations during the test are consisted with the simulation predictions. We were able to overcome most of the multipacting barriers and reach 1.8 MV gun voltage under pulsed mode after several round of conditioning processes.

Original languageEnglish
Title of host publication6th International Particle Accelerator Conference, IPAC 2015
PublisherJoint Accelerator Conferences Website (JACoW)
Pages1938-1940
Number of pages3
ISBN (Electronic)9783954501687
StatePublished - 2015
Event6th International Particle Accelerator Conference, IPAC 2015 - Richmond, United States
Duration: May 3 2015May 8 2015

Publication series

Name6th International Particle Accelerator Conference, IPAC 2015

Conference

Conference6th International Particle Accelerator Conference, IPAC 2015
Country/TerritoryUnited States
CityRichmond
Period05/3/1505/8/15

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