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Title Fast Spill Monitor Studies for the SPS Fixed Target Beams
  • F. Roncarolo, P.A. Arrutia Sota, D. Belohrad, E. Calvo Giraldo, E. Effinger, M.A. Fraser, V. Kain, M. Martin Nieto, S. Mazzoni, I. Ortega Ruiz, J. Tan, F.M. Velotti, C. Zamantzas
    CERN, Meyrin, Switzerland
  • M. Bergamaschi
    MPI-P, München, Germany
Abstract At the CERN Super Proton Synchrotron (SPS) the proton beam is supplied to the fixed target experiments in the North Area facility (NA) via a slow extraction process, taking place at 400 GeV. The monitoring of the spill quality during the extraction, lasting 4.8 seconds with the present SPS setup, is of high interest for minimising beam losses and providing the users with uniform proton-on-target rates. The monitor development challenges include the need for detecting, sampling, processing and publishing the data at rates ranging from few hundred Hz to support the present operation to several hundreds of MHz to serve future experiments proposed within the Physics Beyond Collider (PBC) programme. This paper will give an overview of the ongoing studies for optimizing the existing monitors performances and of the R&D dedicated to future developments. Different techniques are being explored, from Secondary Emission Monitors to Optical Transition Radiation (OTR), Gas Scintillation and Cherenkov detectors. Expected ultimate limitations from the various methods will be presented, together with 2022 experimental results, for example with a recently refurbished OTR detector.
Paper download WE3C3.PDF [3.592 MB / 5 pages]
Slides download WE3C3_TALK.PDF [2.339 MB]
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Conference IBIC2022
Series International Beam Instrumentation Conference (11th)
Location Kraków, Poland
Date 11-15 September 2022
Publisher JACoW Publishing, Geneva, Switzerland
Editorial Board Peter Forck (GSI, Darmstadt, Germany); Adriana Wawrzyniak (SOLARIS, Kraków, Poland); Volker R.W. Schaa (GSI, Darmstadt, Germany); Grzegorz W. Kowalski (SOLARIS, Kraków, Poland); Agnieszka (SOLARIS Cudek (SOLARIS, Kraków, Poland)
Online ISBN 978-3-95450-241-7
Online ISSN 2673-5350
Received 07 September 2022
Revised 10 September 2022
Accepted 13 September 2022
Issue Date 26 November 2022
DOI doi:10.18429/JACoW-IBIC2022-WE3C3
Pages 522-526
Creative Commons CC logoPublished by JACoW Publishing under the terms of the Creative Commons Attribution 4.0 International license. Any further distribution of this work must maintain attribution to the author(s), the published article's title, publisher, and DOI.