Water-based Liquid Scintillator - Department of Physics

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BNL 40+ years of neutrino at chemistry 1961 Radiochemical Water Liquid Scintillator • HOMESTAKE Radiochemical Detector 615 tons of C 2 Cl 4 ; 37 Cl + e 37 Ar + e - (~40 years) • GALLEX Radiochemical Detector 30 tons of Ga; 71 Ga + e 71 Ge + e - (1986 - 1998) • SNO Water Čerenkov Detector (SNOLab) 1-k tons of ultra-pure D 2 O (1996 - 2006) • LENS Real-time LS Detector (R&D) 100 tons of ~8% 115 In in Liquid id Scintillator ill (began ~2000) • LBNE Long-Baseline Neutrino Experimen V beam to DUSEL (began~2002) • Daya Bay High-Precision Reactor 13 Detector 200 tons of 0.1% Gd in Liquid Scintillator (began ~2003) • SNO+ Neutrino-less Double Beta Decay Real-time Detector 1-k tons of 0.1% Nd in Liquid Scintillator (began ~2005) • 2009 • Neutrino Application • Nonproliferation and/or Reactor Monitoring • Li/Zr/Ca-loaded Liquid Scintillator (began 2008) • Water-based Liquid Scintillator 3 M. Yeh for ANT-2010
Page 1: Water-based Liquid Scintillator Min
Page 5 and 6: Metal loaded liquid scintillators D
Page 7 and 8: Liquid Scintillation (versus Water
Page 9 and 10: NEPA assessment of fire safety for
Page 11 and 12: Light Yield of PC% in dodecane •
Page 13 and 14: Goal of Water based liquid scintill
Page 15 and 16: Water-based LS for PDK + • A 50-k
Page 17 and 18: Surfactant reduces the tension; thu
Page 19 and 20: • P urification of raw mat erials
Page 21 and 22: 0.5% W-LS achieved excellent optica
Page 23 and 24: Characterization of W-LS by GC-MS 2
Page 25 and 26: ~7% W-LS has a light-yield of 15~20
Page 27 and 28: SNO went through h a search of wate
Page 29 and 30: decay time is in the region of inte
Page 31 and 32: Purification is essential for optic
Page 33 and 34: 0.1% Nd-LAB by UV 10-cm and 2-m sys
Page 35 and 36: Summary • W-LS could be a promisi
Page 37: Neutrino at BNL-Chemistry • Richa

Water-based Liquid Scintillator - Department of Physics

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