Author: Kershaw, A.H.
Paper Title Page
TUPP036 Performance of an In-Air Secondary Emission Grid Profile Monitor at the ISIS Neutron and Muon Source 402
 
  • D.W. Posthuma de Boer, C. Bovo, H.V. Cavanagh, B. Jones, A.H. Kershaw, A. Pertica
    STFC/RAL/ISIS, Chilton, Didcot, Oxon, United Kingdom
 
  The ISIS neutron and muon source, located in the UK, consists of an H linear accelerator, a rapid cycling proton synchrotron and extraction lines to two target stations. A project is currently under way to replace the target assembly of the First Target Station (TS1) in order to secure its continued operation and improve operational flexibility. In addition to a number of other diagnostic tools, a new secondary emission (SEM) grid profile monitor is expected to be located within the helium atmosphere of the new target assembly. To investigate the performance of an out-of-vacuum SEM grid, a prototype monitor was positioned in-air between a beam exit window and a dump. Profile measurements taken with this monitor are presented, including tests at a range of bias voltages with a fast data acquisition system to investigate secondary signal sources.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IBIC2019-TUPP036  
About • paper received ※ 04 September 2019       paper accepted ※ 07 September 2019       issue date ※ 10 November 2019  
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