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Crystal Channeling for Large Colliders: Machine and Physics Applications

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503-1-001 (CERN - AB Auditorium)

503-1-001

CERN - AB Auditorium
Frank Zimmermann (AB/ABP), Gianluigi Arduini (CERN), MARCO ORIUNNO (CERN), Ralph Assmann (CERN), Taratin Alexander (Joint Institute for Nuclear Research (JINR)), Walter Scandale (CERN)
Description
This workshop is organized by the "Accelerator Physics and synchrotron Design" (APD) collaboration of the CARE-HHH European Network on "High Energy High Intensity Hadron Beams". Also a contribution to the organization of the Workshop is provided through the CERN INTAS Collaborative project on Crystal Channeling 2006-2008 and INFN. The goals of the workshop are to discuss if a new crystal collimation procedure assisted by bent crystals and suited for collimation during the ultimate high-luminosity phase of the machine and for new large colliders are possible. The use of Crystals in experiments for the study of diffractive physics will be the second goal of the Workshop.
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Participants
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  • Thursday 22 March
    • Scope of the meeting and role of F.Ruggiero 503-1-001

      503-1-001

      CERN - AB Auditorium
      • 1
        Scope of the meeting and role of F.Ruggiero
        Speakers: Dr Frank Zimmermann (AB/ABP), Walter Scandale (CERN)
        Slides
    • Experimental Results (1/2): SPS 503-1-001

      503-1-001

      CERN - AB Auditorium

      Description and experimental results of H8-RD22 experiment

      Convener: Dr Frank ZIMMERMANN (CERN)
      • 2
        Main outcomes of H8 runs in 2006
        Main outcomes of H8 runs in 2006
        Speaker: Walter Scandale (CERN)
      • 3
        Experimental setup of the H8-RD22 experiment
        Experimental setup of the H8-RD22 experiment
        Speaker: Massimiliano Fiorini (Dipartimento di Fisica)
        Slides
    • 11:00
      Coffee Break 503-1-001

      503-1-001

      CERN - AB Auditorium

      Coffee Break

    • Simulations 503-1-001

      503-1-001

      CERN - AB Auditorium
      Convener: Dr Frank ZIMMERMANN (CERN)
      • 4
        Theory and simulations
        Efficiency limitation for volume reflection of particles in a bent crystal due to the concurrent process of volume capture of particles into channelling states is discussed. The probability estimate for a fast stage of volume capture is suggested. The sequence of short bent crystals for deflection of 7-TeV protons and its optimization by increasing the bend angles of the sequence crystals is considered. Possibility to decrease a non-reflected beam fraction using a crystal with increasing curvature was shown.
        Speaker: Taratin Alexander (Joint Institute for Nuclear Research (JINR))
        Slides
      • 5
        Theory and measurements: comparison
        For the aims of comparison with the experimental data the calculations of the characteristics of the volume reflection process are presented. The calculations are based on the analytical description of the process. The obtained results are in a good agreement with experimental data which take place now.
        Speaker: Dr V. A. Maisheev
        Slides
      • 6
        Simulation results for volume reflection of protons and comparison with data of experiment H8
        In presentation the interaction of 400-GeV protons with silicon monocrystals of various curvature radiuses is investigated. The main parameters of volume reflection effect are determined and the algorithm of their finding on the simulation and experimental data is given taking into account the initial beam distribution.
        Speaker: Dr igor yazynin (IHEP)
        Slides
    • 12:50
      Lunch break 503-1-001

      503-1-001

      CERN - AB Auditorium
    • Experimental Results (2/2) 503-1-001

      503-1-001

      CERN - AB Auditorium
      Convener: Dr Alexander TARATIN (JINR)
      • 7
        First results of Tevatron experiment on crystals
        Speaker: Dr Dean Still (FNAL)
        Slides
      • 8
        Results from PNPI Gatchina
        Speaker: Dr Yuri Ivanov (PNPI)
        Slides
      • 9
        Protvino IHEP result
        Speaker: Dr Yury Chesnokov (IHEP)
        Slides
    • 16:00
      Coffee Break 503-1-001

      503-1-001

      CERN - AB Auditorium
    • Crystals: production and characterization 503-1-001

      503-1-001

      CERN - AB Auditorium
      Convener: Dr Alexander TARATIN (JINR)
      • 10
        quasi­mosaic crystals
        Speaker: Dr Yuri Ivanov (PNPI)
        Slides
      • 11
        Fabrication of strip-like crystals for channeling
        Speaker: Dr Vincenzo Guidi (Ferrara INFN, Univerita' di Ferrara)
        Slides
      • 12
        crystal characterization
        Speaker: Alberto Vomiero (Istituto Nazionale di Fisica Nucleare (INFN))
        Slides
  • Friday 23 March
    • Benefits for the LHC machine 503-1-001

      503-1-001

      CERN - AB Auditorium
      • 13
        Possible implementation of crystals on LHC collimation system
        Speaker: Valentina Previtali (Unknown)
        Slides
      • 14
        Motivations to investigate a possible use of crystals for ion collimation in the LHC
        Speaker: Giulia Bellodi (CERN)
        Slides
      • 15
        Experiments on beam deflection by crystal
        We performed experiments on electron beam deflection at 150 MeV-electron beam facility at Hiroshima University. The results qualitatively agreed with our simulation. On details, there are descripancies with the simulation and imply a necessity of future experiments at other electron beam facility with higher energy and high quality. We are planning a similar experiment at KEK-ATF.
        Speaker: Dr Masataka Iinuma (Hiroshima University)
        Slides
    • 16
      Channeling Crystals as Neutrino Detectors 503-1-001

      503-1-001

      CERN - AB Auditorium
      Speakers: Dr Frank Zimmermann (AB/ABP), Fritz Caspers (CERN)
      Slides
    • 10:40
      Coffee Break 503-1-001

      503-1-001

      CERN - AB Auditorium
    • Applications for Physics with Roman Pots 503-1-001

      503-1-001

      CERN - AB Auditorium
      Convener: Dr Marco ORIUNNO (CERN)
      • 17
        Introduction to Physics session : motivation about the use of crystal technology with Roman Pots
        Speakers: Mario Macri (Istituto Nazionale di Fisica Nucleare (INFN)), Prof. Michele Arneodo (Univerity of Piemonte Orientale)
        Slides
      • 18
        The TOTEM Roman Pot system
        Speaker: Mr MARCO ORIUNNO (CERN)
        Slides
      • 19
        TOTEM and CMS/TOTEM physics program and potential improvements using crystals
        Speaker: Fabrizio Ferro (INFN Genova)
        Slides
      • 20
        Installation of goniometers in LHC vacuum
        Speaker: Prof. Gianantonio Dellamea (INFN-LNL)
        Slides
      • 21
        Crystal for fp420
        Speaker: Dr Federico Roncarolo (Dept.of Phys.&Astronomy,SchusterLab - University of Manchester)
        Slides
    • 13:10
      Lunch break 503-1-001

      503-1-001

      CERN - AB Auditorium
    • Future Experiments 503-1-001

      503-1-001

      CERN - AB Auditorium
      Convener: Dr Walter SCANDALE (CERN)
      • 22
        Crystal collimation: the viewpoint of LARP
        Speaker: Dr Dean Still (FNAL)
        Slides
      • 23
        Test bed for crystal characterization in H8 Experiment
        Speaker: Massimiliano Fiorini (Dipartimento di Fisica)
        Slides
      • 24
        Test bed for crystal characterization in H8: Machine
        Speaker: Ilias Efthymiopoulos (CERN)
        Slides
      • 25
        Possible radiatiation damages in crystal
        Speaker: Lau Gatignon (CERN)
        Slides
    • 16:30
      Coffee Break 503-1-001

      503-1-001

      CERN - AB Auditorium
    • Round table: future experimentation on LHC and Tevatron, discussion 503-1-001

      503-1-001

      CERN - AB Auditorium
      Convener: Dr Gianluigi ARDUINI (CERN)
    • End of Workshop Reception 503-1-001 (Pas Perdus)

      503-1-001

      Pas Perdus
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