LXe physical properties Energy/scintillation photon W_ph =21.6 eV Scintillation Absorption length > 100 cm Energy/el-ion pair: W=15.6 eV Saturation velocity of electrons from E=3 kV/cm: v=2.6 mm/  s Threshold electric field for proportional scintillation: E=400-700 kV/cm Threshold electric field for electron multiplication: E~1 MV/cm Maximum charge gain measured 200-400 Pawel Majewski, Univ.
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