Author: Bernhard, A.
Paper Title Page
TUOBB3 HORIZON 2020 EuPRAXIA Design Study 1265
 
  • P.A. Walker, R.W. Aßmann, J. Bödewadt, R. Brinkmann, J. Dale, U. Dorda, A. Ferran Pousa, A.F. Habib, T. Heinemann, O. S. Kononenko, C. Lechner, B. Marchetti, A. Martinez de la Ossa, T.J. Mehrling, P. Niknejadi, J. Osterhoff, K. Poder, E.N. Svystun, G.E. Tauscher, M.K. Weikum, J. Zhu
    DESY, Hamburg, Germany
  • D. Alesini, M.P. Anania, F.G. Bisesto, E. Chiadroni, M. Croia, M. Ferrario, F. Filippi, A. Gallo, A. Mostacci, R. Pompili, S. Romeo, J. Scifo, C. Vaccarezza, F. Villa
    INFN/LNF, Frascati (Roma), Italy
  • A.S. Alexandrova, R.B. Fiorito, C.P. Welsch, J. Wolfenden
    The University of Liverpool, Liverpool, United Kingdom
  • A.S. Alexandrova, R.B. Fiorito, C.P. Welsch, J. Wolfenden
    Cockcroft Institute, Warrington, Cheshire, United Kingdom
  • N.E. Andreev, D. Pugacheva
    JIHT RAS, Moscow, Russia
  • T. Audet, B. Cros, G. Maynard
    CNRS LPGP Univ Paris Sud, Orsay, France
  • A. Bacci, D. Giove, V. Petrillo, A.R. Rossi, L. Serafini
    Istituto Nazionale di Fisica Nucleare, Milano, Italy
  • I.F. Barna, M.A. Pocsai
    Wigner Research Centre for Physics, Institute for Particle and Nuclear Physics, Budapest, Hungary
  • A. Beaton, P. Delinikolas, B. Hidding, D.A. Jaroszynski, F.Y. Li, G.G. Manahan, P. Scherkl, Z.M. Sheng, M.K. Weikum
    USTRAT/SUPA, Glasgow, United Kingdom
  • A. Beck, A. Specka
    LLR, Palaiseau, France
  • A. Beluze, M. Mathieu, D.N. Papadopoulos
    LULI, Palaiseau, France
  • A. Bernhard, E. Bründermann, A.-S. Müller
    KIT, Karlsruhe, Germany
  • S. Bielawski
    PhLAM/CERLA, Villeneuve d'Ascq, France
  • F. Brandi, G. Bussolino, L.A. Gizzi, P. Koester, B. Patrizi, G. Toci, M. Vannini
    INO-CNR, Pisa, Italy
  • O. Bringer, A. Chancé, O. Delferrière, J. Fils, D. Garzella, P. Gastinel, X. Li, A. Mosnier, P.A.P. Nghiem, J. Schwindling, C. Simon
    CEA/IRFU, Gif-sur-Yvette, France
  • M. Büscher, A. Lehrach
    FZJ, Jülich, Germany
  • M. Chen, L. Yu
    Shanghai Jiao Tong University, Shanghai, People's Republic of China
  • A. Cianchi
    Università di Roma II Tor Vergata, Roma, Italy
  • J.A. Clarke, N. Thompson
    STFC/DL/ASTeC, Daresbury, Warrington, Cheshire, United Kingdom
  • M.-E. Couprie
    SOLEIL, Gif-sur-Yvette, France
  • G. Dattoli, F. Nguyen
    ENEA C.R. Frascati, Frascati (Roma), Italy
  • N. Delerue
    LAL, Orsay, France
  • J.M. Dias, R.A. Fonseca, J.L. Martins, L.O. Silva, U. Sinha, J. Vieira
    IPFN, Lisbon, Portugal
  • K. Ertel, M. Galimberti, R. Pattathil, D. Symes
    STFC/RAL, Chilton, Didcot, Oxon, United Kingdom
  • J. Fils
    GSI, Darmstadt, Germany
  • A. Giribono
    INFN-Roma, Roma, Italy
  • L.A. Gizzi
    INFN-Pisa, Pisa, Italy
  • F.J. Grüner, A.R. Maier
    CFEL, Hamburg, Germany
  • F.J. Grüner, T. Heinemann, B. Hidding, O.S. Karger, A. Knetsch, A.R. Maier
    University of Hamburg, Institut für Experimentalphysik, Hamburg, Germany
  • C. Haefner
    LLNL, Livermore, California, USA
  • B.J. Holzer
    CERN, Geneva, Switzerland
  • S.M. Hooker
    University of Oxford, Clarendon Laboratory, Oxford, United Kingdom
  • S.M. Hooker, R. Walczak
    JAI, Oxford, United Kingdom
  • T. Hosokai
    Osaka University, Graduate School of Engineering, Osaka, Japan
  • C. Joshi
    UCLA, Los Angeles, California, USA
  • M. Kaluza
    HIJ, Jena, Germany
  • S. Karsch
    LMU, Garching, Germany
  • E. Khazanov, I. Kostyukov
    IAP/RAS, Nizhny Novgorod, Russia
  • D. Khikhlukha, D. Kocon, G. Korn, A.Y. Molodozhentsev, L. Pribyl
    ELI-BEAMS, Prague, Czech Republic
  • L. Labate, P. Tomassini
    CNR/IPP, Pisa, Italy
  • W. Leemans, C.B. Schroeder
    LBNL, Berkeley, California, USA
  • A. Lifschitz, V. Malka, F. Massimo
    LOA, Palaiseau, France
  • V. Litvinenko
    BNL, Upton, Long Island, New York, USA
  • V. Litvinenko
    Stony Brook University, Stony Brook, USA
  • W. Lu
    TUB, Beijing, People's Republic of China
  • V. Malka
    Ecole Polytechnique, Palaiseau, France
  • S. P. D. Mangles, Z. Najmudin, A. A. Sahai
    Imperial College of Science and Technology, Department of Physics, London, United Kingdom
  • A. Marocchino, A. Mostacci
    University of Rome La Sapienza, Rome, Italy
  • K. Masaki, Y. Sano
    JAEA/Kansai, Kyoto, Japan
  • U. Schramm
    HZDR, Dresden, Germany
  • M.J.V. Streeter, A.G.R. Thomas
    Cockcroft Institute, Lancaster University, Lancaster, United Kingdom
  • C. Szwaj
    PhLAM/CERCLA, Villeneuve d'Ascq Cedex, France
  • C.-G. Wahlstrom
    Lund Institute of Technology (LTH), Lund University, Lund, Sweden
  • R. Walczak
    Oxford University, Physics Department, Oxford, Oxon, United Kingdom
  • G.X. Xia
    UMAN, Manchester, United Kingdom
  • M. Yabashi
    JASRI/SPring-8, Hyogo, Japan
  • A. Zigler
    The Hebrew University of Jerusalem, The Racah Institute of Physics, Jerusalem, Israel
  
  The Horizon 2020 Project EuPRAXIA ('European Plasma Research Accelerator with eXcellence In Applications') aims at producing a design report of a highly compact and cost-effective European facility with multi-GeV electron beams using plasma as the acceleration medium. The accelerator facility will be based on a laser and/or a beam driven plasma acceleration approach and will be used for photon science, high-energy physics (HEP) detector tests, and other applications such as compact X-ray sources for medical imaging or material processing. EuPRAXIA started in November 2015 and will deliver the design report in October 2019. EuPRAXIA aims to be included on the ESFRI roadmap in 2020.  
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DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-TUOBB3  
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TUPIK014 Detailed Analysis of a Linear Beam Transport Line from a Laser Wakefield Accelerator to a Transverse-Gradient Undulator 1711
 
  • A. Will, A. Bernhard, A.-S. Müller, C. Widmann
    KIT, Karlsruhe, Germany
  • M. Kaluza
    HIJ, Jena, Germany
  • M. Kaluza
    IOQ, Jena, Germany
  
  A linear beam transport system, experimentally tested at the Laser Wakefield Accelerator in Jena, Germany, has been carefully analyzed in order to gain a deeper understanding of the experimental results and to develop experimental strategies for the future. This analysis encompassed a detailed characterization of the focusing magnets and an investigation of the effects of source parameters as well as magnet and alignment errors on the observables accessible in the experiment. A dedicated tracking tool was developed for these investigations. In this contribution we review the main results of these studies.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-TUPIK014  
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WEPAB032 A Novel Optical Beam Concept for Producing Coherent Synchrotron Radiation with Large Energy Spread Beams 2646
 
  • R. Rossmanith, A. Bernhard, V. Saile, P. Wesolowski
    KIT, Karlsruhe, Germany
  • R.W. Aßmann, U. Dorda, B. Marchetti
    DESY, Hamburg, Germany
  
  Up to now two FEL concepts are known in conventional accelerators: 1.) In THz lasers an off-crest cavity adds a chirp to the bunch followed by a bunch compressor. Particles with different energies travel on different trajectories to the radiator. 2.) For EUV and X-ray FELs the beam enters an undulator which produces microbunches which then radiate. In this paper it is proposed to copy the THz laser scheme for EUV lasers. The incoming beam is chirped and a dogleg forces afterwards the particles with different energies to move on different parallel trajectories. Considering a detector plane perpendicular to the trajectories the particles with different energies arrive in general at different times. When in this plane for instance a TGU (Transverse Gradient Undulator) is positioned the emitted radiation in the TGU is monochromatic. If in addition chirp and dogleg are selected in such a way that the particles with different energies arrive at the same time at the entrance of the TGU the radiation is monochromatic and coherent similar to the THz laser concept.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-WEPAB032  
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WEPIK068 Non-Linear Beam Dynamics Studies of the CLIC Damping Wiggler Prototype 3087
 
  • J. Gethmann, A. Bernhard, E. Blomley, E. Huttel, A.-S. Müller, A.I. Papash, M. Schedler
    KIT, Karlsruhe, Germany
  • Y. Papaphilippou, P. Zisopoulos
    CERN, Geneva, Switzerland
  • K. Zolotarev
    BINP SB RAS, Novosibirsk, Russia
  
  Funding: Julian Gethmann acknowledges the support by the DFG-funded Doctoral School Karlsruhe School of Elementary and Astroparticle Physics: Science and Technology
First beam dynamics studies of a damping wiggler prototype for the CLIC damping rings have been carried out at the KIT storage ring. Effects of the 2.9 T superconducting wiggler on the electron beam in the 2.5 GeV standard operation mode have been measured and compared with theoretical predictions. Higher order multipole components were investigated using local orbit bump measurements. Based on these findings the simulation models for the storage ring optic have been adjusted. The refined optics model has been applied to the 1.3 GeV, low-operation case. This case will be used to experimentally benchmark beam dynamics simulations involving strong wiggler fields and dominant collective effects. We present these measurements, comparisons and the findings of the simulations with the updated low-mode optics model. 		 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-WEPIK068  
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