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CKOV1

CKOV Update. Decision taken to defer building of CKOV2. Ghislain has reviewed TOF0/1 mass resolution with tracker  p/p. ->Reasonable motive to build CKOV1. Ghislain has performed important studies of a RICH-type CKOV1. http://www.fynu.ucl.ac.be/themes/he/mice/talks.html

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CKOV1

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  1. CKOV Update • Decision taken to defer building of CKOV2. • Ghislain has reviewed TOF0/1 mass resolution with tracker • p/p. ->Reasonable motive to build CKOV1. • Ghislain has performed important studies of a RICH-type CKOV1. • http://www.fynu.ucl.ac.be/themes/he/mice/talks.html • 6 pieces of Matsushita Aerogel obtained by Don for tests, n=1.03, • n=1.08, n = 1.12 • Photon yields are being measured for possible use as a tandem • threshold CKOV1 device ( 1.07, 1.12). • Cost estimates indicate that CKOV1 may be doable for ~$50K USD • in either RICH or Aerogel mode. • Possible participation in Frascati test beam if travel funds available. CKOV1

  2. RICH-type CKOV1

  3. mirror ???

  4. Aerogel Concept n1.08 n1.12 25cm

  5. Matsushita Samples n=1.03 n=1.08 n=1.12 10x10x1cm3 10x10x1cm3 10x10x1cm3

  6. Forward Transmission n1.03 n1.08 n1.12 TF = A exp{ -t C/l4} Rayleigh-like n A C 1.03 98.99 0.041 1.08 98.84 0.252 1.12 96.96 0.638 t(nm) sample thickness (nm) wavelength 1 = T + A + S T = transmitted light high in red. A = Absorption low- we hope. S = Scattering in the blue.

  7. Aerogel Measurements empty Aerogel 1.03 empty Aerogel 1.08 empty Aerogel 1.12

  8. Conclusions • CKOV1 can help with MICE beam pid. • DISC design well advanced. • Aerogel under study. • Costs seem manageable.

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