Water-based Liquid Scintillator - Department of Physics

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Liquid Scintillator for Particle Detector • High efficiency of converting kinetic energy of charged particle to detectable light • Good light transparency to the emission wavelength • Short decay time for fast signal pulse • Mass-producible • Index of refraction for scattering light • High flash point, low toxicity, safe to be used in confined space • Long stability and chemical compatibility 6 M. Yeh for ANT‐2010
Liquid Scintillation (versus Water Cherenkov) Cons Safety: Chemical hazard, Fire hazard, and Reactivity Cost: $2k/ton or $100M for 50 KT Handling & ES&H event reconstruction and PID Pros orders of magnitudes light output: smaller detector or less photo-sensors Physics of charged particles below Cherenkov threshold Excellent PSD to suppress background events Sub-MeV (geo-, solar- and reactor) neutrinos 7 M. Yeh for ANT‐2010
Page 1 and 2: Water-based Liquid Scintillator Min
Page 3 and 4: BNL 40+ years of neutrino at chemis
Page 5: Metal loaded liquid scintillators D
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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