Measurement of scintillation efficiency for nuclear recoils in liquid argon

@article{Gastler2012MeasurementOS,
  title={Measurement of scintillation efficiency for nuclear recoils in liquid argon},
  author={Daniel E. Gastler and Edward Kearns and Andrew Hime and Laura C. Stonehill and Stanley Reid Seibert and J. R. Klein and W. Hugh Lippincott and D. N. Mckinsey and James A. Nikkel},
  journal={Physical Review C},
  year={2012},
  volume={85},
  pages={065811}
}
The scintillation light yield of liquid argon from nuclear recoils relative to electronic recoils has been measured as a function of recoil energy from 10 keVr up to 250 keVr. The scintillation efficiency, defined as the ratio of the nuclear recoil scintillation response to the electronic recoil response, is 0.25 \pm 0.01 + 0.01(correlated) above 20 keVr. 
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