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Can we scale the beamline for different p-ref settings?

Can we scale the beamline for different p-ref settings?. … ie might it be a reliable way to furnish same ε n , different momentum beams for MICE?. Background: We aim eventually* to cover…. (*or for starters…!). * we have now a good candidate for. (AUG05). Background:.

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Can we scale the beamline for different p-ref settings?

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  1. Can we scale the beamline for different p-ref settings? … ie might it be a reliable way to furnish same εn, different momentum beams for MICE?

  2. Background: We aim eventually* to cover…. (*or for starters…!) * we have now a good candidate for. (AUG05)

  3. Background: • Table of required (Rrms,R'rms) in spectrometer solenoid for producing various matched p-ref, εn muon beams. (R means x or y) • (In all cases the spectrometer solenoid is taken at 4Tesla.)

  4. Approach With linear optics with can just scale the fields with momentum and get the same beam profile & beamsizes, R. With materials in (etc) does it become practical? Also what about R' @ end.

  5. Q: want to see x,y stay~same. x',y' go slightly up. A: see x,y stay ~ same. x',y' do go slightly up. Turtle Results Scaled down fields to 140MeV/c and selecting lower energy pions etc. AUG05 (200MeV/c 6pi aim):

  6. Q: want to see x,y stay~same. x',y' slightly lwr. A: see x,y stay ~ same. x',y' stay ~ same. Turtle Results Scaled up to fields to 240MeV/c, selecting higher momentum etc. AUG05 (200MeV/c 6pi aim):

  7. Initial conclusions - Whilst not perfect, scaled beamlines do seem to produce beam @ end which is probably reasonable (start) for different momentum settings.

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