Author: Gudkov, D.
Paper Title Page
WEPCC03 Performance Assessment of Pre-Series Fast Beam Wire Scanner Prototypes for the Upgrade of the CERN LHC Injector Complex 338
 
  • J.L. Sirvent, P. Andersson, W. Andreazza, B. Dehning, J. Emery, L. Garcia, D. Gudkov, F. Roncarolo, J. Tassan-Viol, G. Trad, R. Veness
    CERN, Geneva, Switzerland
 
  A new generation of beam wire scanner (BWS), for transversal beam profile monitoring, is under development on the framework of the LHC Injector Upgrade project at CERN. Two pre-series prototypes have been built and installed in the Super Proton Synchrotron and Proton Synchrotron Booster, to assess the performance of the upgraded BWS concept. This contribution shows the outcome of the measurement campaigns carried out on the first BWS prototypes, both in the laboratory and with proton beams. An evaluation of a high dynamic range acquisition system for the measurement of the secondary showers produced by the beam-wire interaction is also presented.  
poster icon Poster WEPCC03 [2.080 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IBIC2017-WEPCC03  
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WEPWC02 Construction of a Mobile Irradiation Instrument for the Verification of the CERN LHC Beam Loss Monitoring System 450
 
  • D. Gudkov, V. Grishin, R. Veness, C. Zamantzas
    CERN, Geneva, Switzerland
 
  The strategy for machine protection and quench prevention of the super-conducting elements of the Large Hadron Collider (LHC) at the European Organisation for Nuclear Research (CERN) is heavily reliant on its beam loss monitoring system. This is one of the most complex and large-scale beam instrumentation systems deployed anywhere in the world. In order to augment the system's dependability and verify the correct connection of each of the approximately 4000 detectors distributed around the 27 km LHC ring to its assigned channel in the electronic system, a mobile irradiation instrument has been designed and built. This instrument can be easily and safely transported along the LHC tunnel and imitate a localised beam loss at each BLM detector. This paper describes the concept of the instrument, its engineering design, the safety measures included and recent upgrades. Possible future improvements of the device are also considered.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IBIC2017-WEPWC02  
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