Author: Levinsen, Y.I.
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THPVA013 Benchmarking of the ESS LEBT in TraceWin and IBSimu 4445
 
  • Ø. Midttun
    University of Bergen, Bergen, Norway
  • Y.I. Levinsen, R. Miyamoto, D.C. Plostinar
    ESS, Lund, Sweden
 
  The modeling of the proton beam in the ESS accelerator starts with a beam distribution as an input to the TraceWin code currently used as the simulation tool. This input is typically a Gaussian distribution, a distribution from other codes, or data from an emittance measurement. The starting point of these simulations is therefore located somewhere along the low energy beam transport (LEBT) close to the ion source. In this paper, we propose to use IBSimu to model the beam extraction from the ion source, which provides an input beam distribution to TraceWin. IBSimu is a computer simulation package for ion optics, plasma extraction, and space charge dominated ion beam transport. We also present a benchmarking of the beam tracking through the LEBT using both these tools, and propose a transition interface to handover the beam distribution from IBSimu to TraceWin.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-THPVA013  
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THPVA065 Working Concept of 12.5 kW Tuning Dump at ESS 4591
 
  • Y. Lee, M. Eshraqi, S. Ghatnekar Nilsson, Y.I. Levinsen, R. Miyamoto, S. Molloy, M. Möller, A. Olsson, T.J. Shea, C.A. Thomas, M. Wilborgsson
    ESS, Lund, Sweden
  • F. Sordo
    ESS Bilbao, Zamudio, Spain
 
  The linac system at the European Spallation Source (ESS) will deliver 2~GeV protons at 5~MW beam power. The accelerated protons from the linac will be transported to the rotating tungsten target by two bending magnets. A tuning beam dump will be provided at the end of the linac, downstream of the first bending magnet. This tuning dump shall be able to handle at least 12.5 kW of beam power. In this paper, we present the working concept of the tuning dump. The impact of the proton beam induced material damage on the operational loads and service lifetime of the tuning dump is analysed. A number of particle transport and finite-element simulations are performed for the tuning beam modes.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-THPVA065  
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THPVA093 Open XAL Status Report 2017 4676
 
  • A.P. Zhukov, C.K. Allen, A.P. Shishlo
    ORNL, Oak Ridge, Tennessee, USA
  • D.A. Brown
    NMSU, Las Cruces, New Mexico, USA
  • Y.-C. Chao
    SLAC, Menlo Park, California, USA
  • C.P. Chu, Y. Li
    IHEP, Beijing, People's Republic of China
  • J.F. Esteban Müller, B.T. Folsom, E. Laface, Y.I. Levinsen, C. Rosati
    ESS, Lund, Sweden
  • P. Gillette, P. Laurent, E. Lécorché, G. Normand
    GANIL, Caen, France
  • I. List, M. Pavleski
    Cosylab, Ljubljana, Slovenia
  • X.H. Lu
    CSNS, Guangdong Province, People's Republic of China
  • J.E. Muller
    CERN, Geneva, Switzerland
 
  The Open XAL accelerator physics software platform is being developed through an international collaboration among several facilities since 2010 The goal of the collaboration is to establish Open XAL as a multi-purpose software platform supporting a broad range of tool and application development in accelerator physics (Open XAL also ships with a suite of general purpose accelerator applications). This paper discusses progress in beam dynamics simulation, interaction with control system and software organization. We present the current status of the project, a roadmap for continued development and an overview of the project status at each participating facility.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-THPVA093  
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