MICE analysis meeting - (4/5/2006) 1 some reflections on scraping, PID sizes and Transmittance M. Apollonio – University of Oxford.

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Presentation transcript:

MICE analysis meeting - (4/5/2006) 1 some reflections on scraping, PID sizes and Transmittance M. Apollonio – University of Oxford

MICE analysis meeting - (4/5/2006) 2 1.consider full MICE channel (STEPVI) 2.nominal geometrical apertures in the cooling channel 3.big geometrical apertures in the trackers (R=40 cm) and beyond in PID region (R=90 cm) 4.NO material and NO RF 5.shoot 60K (ICOOL) muons (emi=1.0 cm rad), Pz=207 MeV/c, gaussian spread 10% 6.select througoing muons (endof9) 7.study radial distribution of particles at different z slices and spot the end of the tail  define MAX radius 8.also study transmission of the channel T(A) 1.same as 1 to 6 BUT without selecting throughoing mu’s 2.ratio of single particle emittance histograms before and after cooling channel

MICE analysis meeting - (4/5/2006) 3 T1T2+PID C

MICE analysis meeting - (4/5/2006) 4 Z=-5.4 m Z=-3.6 m

MICE analysis meeting - (4/5/2006) 5 Z=-1.3 mZ=1.3 m

MICE analysis meeting - (4/5/2006) 6 Z=3.7 mZ=6.4 m

MICE analysis meeting - (4/5/2006) 7 Z=7.5 mZ=8.2 m

MICE analysis meeting - (4/5/2006) 8 mice profile as in ICOOL simulation mice profile as in TRD max radius for througoing muons chris’ sim

MICE analysis meeting - (4/5/2006) 9 single particle emittance or amplitude (A) before cooling channel after “ “ effect of geometrical apertures only this time NO selection on througoing muons  Transmittance (A) Study just started …

MICE analysis meeting - (4/5/2006) 10