qe comparison

Comparison for photon yield, SPR and Chereckov tracking resolution for different MCP-PMT's Quantum Efficiency

  • DIRC@EIC design; 11 bars; 38 degree prism; 3-layer sperical lens with nlak33
  • 3 mm pixels with different QE
  • Photonis 1(CE=95%, QE=27%) vs. Photonis 2 (CE=95%, QE=22%) vs. Photonis 2 (CE=65%, QE=22%)
  • 1000 pions at each data point

Photon yield:


Cherenkov track resolution (0 mrad correlated term):