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MICE Beamline

MICE Beamline. m. apollonio. 1. BeamLines Availability. Reference Beam Line – muon ( e ,P=207 MeV/c) Beamlines for initial/ calibration studies: from (a) with local momentum rescaling of the magnets [ with / without solenoid ]

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MICE Beamline

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  1. MICE Beamline m. apollonio UKNF09 - Lancaster 1

  2. BeamLines Availability Reference Beam Line – muon (e,P=207 MeV/c) Beamlines for initial/calibration studies: from (a) with local momentum rescaling of the magnets [ with / without solenoid ] (infact we used the one with no DKsol for the aformetntioned reasons) electron (@150 MeV/c)  used for TOF calibration pions (@ 300 MeV/c)  1st muons seen protons (@480 MeV/c)  1st estimate of primary intensity April, 22 2009 UKNF09 - Lancaster

  3. 25 deg Q1 acceptance Target Studies • production in the first q-pole (G4Beamline) ORBIT simulation: Beam Loss in ISIS A. Dobbs April, 22 2009 UKNF09 - Lancaster

  4. BeamLines Analysis • TOF Analysis to determine Beam Parameters: • sx / sy • emittance • bx / by, ax / ay •  see Mark’s Talk April, 22 2009 UKNF09 - Lancaster

  5. BeamLine Completion: tuning for all (e,P) search for Q4-5-6 & Q7-8-9 currents to match optics at the u.s. face of the diffuser for every chosen e [3,6,10] mm rad (norm.) at every defined P = [140,200,240] (MeV/c) April, 22 2009 UKNF09 - Lancaster

  6. Q1 Q2 Q3 D1 Q4 Q5 Q6 Q7 Q8 Q9 D2 April, 22 2009 UKNF09 - Lancaster

  7. alpha0 Q1 Q2 Q3Sol Dipole1 GA+Turtle Optimiser Dipole2 OUTPUT u.s. of the diffuser Q4 Q5 Q6 Q7 Q8 Q9 alphaa0 beta b0 INPUT: beamlineu.s. Section

  8. BETA=0.78 m ALPHA=0.2 TR ~ 3%

  9. recalculated e=6mm rad, P=207 new tuning e=10 mm rad, P=207 investigate case e=3 mm rad P=207 (does not converge) PLAN: fix P=140/240 and cover the remaining empty elements ???

  10. Summary • so far beamline used for initial studies & calibrations • no solenoid  reduced amount of secondaries • studies to complete the (e,P) matrix (BL tuning for • all possible configurations of MICE) • waiting for DKsol(1) and check predictions vs measurements • (1) & tgt

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