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1April, 22 2009UKNF09 - Lancaster1 MICE Beamline m. apollonio.

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Presentation on theme: "1April, 22 2009UKNF09 - Lancaster1 MICE Beamline m. apollonio."— Presentation transcript:

1 1April, UKNF09 - Lancaster1 MICE Beamline m. apollonio

2 2 BeamLines Availability April, UKNF09 - Lancaster 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 MeV/c)  used for TOF calibration pions 300 MeV/c)  1st muons seen protons MeV/c)  1st estimate of primary intensity

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

4 4 TOF Analysis to determine Beam Parameters: -  x /  y -  mittance -  x /  y,  x /  y  see Mark’s Talk BeamLines Analysis April, UKNF09 - Lancaster

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

6 6April, UKNF09 - Lancaster D1 D2 Q4 Q1 Q2 Q3 Q5Q6Q7Q8Q9

7 7 OUTPUT u.s. of the diffuser INPUT: beamline u.s. Section Q4 Q5 Q6 Q7 Q8 Q9 Q1 Q2 Q3 Sol Dipole1 Dipole2 alpha  0 alpha  a0 beta  b0 GA+Turtle Optimiser

8 8

9 9 TR ~ 3% BETA=0.78 m ALPHA=0.2

10 10 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 ???

11 11 - 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 Summary

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