1st Beam test (KEK PS 2, 2001)

• Results from the test

  • Performance as expected
    • Ndet/ring ~ 2.7,  ~ 10 mrad
  • Room for improvement on photon yield
    • Lower Aerogel transmission length
      • KEK typical ~ 15 mm (n=1.05)
      • cf. Novosibirsk’s one ~ 48 mm
    • Small effective area ( 36% ) of PMT