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MERIT Beam Collimator Design

MERIT Beam Collimator Design. Nicholas Olesen 9 August 2006. Contents. Collimator Role Requirement Specifications Proposed Design Additional Information. Collimator Role. Beam of ~30 x 10 12 protons per pulse, integrated power of ~140kW Align the proton beam with the mercury target

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MERIT Beam Collimator Design

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  1. MERIT Beam Collimator Design Nicholas Olesen 9 August 2006

  2. Contents • Collimator Role • Requirement Specifications • Proposed Design • Additional Information

  3. Collimator Role • Beam of ~30 x 1012 protons per pulse, integrated power of ~140kW • Align the proton beam with the mercury target • Prevent proton beam from hitting and damaging experiment equipment

  4. Requirement Specifications • Nominal position at beam height of 120cm above concrete floor • Located 2m upstream of magnet – must be non-magnetic material • Length of 1m • Collimator block area of at least 150mm x 150mm

  5. Proposed Design • All requirement specs are met • Collimator block area of 160mm x 160mm • Hole radius of 20mm • Lateral movement (x and y axes) of +30mm, longitudinal movement (z axis) of +55mm; manually adjustable • Uses CERN standard parts wherever possible

  6. Additional Information • Target dimensions confirmed • Collimator insert • Needs to be exchangeable (e.g. for different sized aperture) • Material is tungsten • Need drawings of CERN standard parts for alignment • Calculations for energy deposited by beam

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