Water-equivalent path length calibration of a prototype proton CT scanner.

  title={Water-equivalent path length calibration of a prototype proton CT scanner.},
  author={Robert F. Hurley and Reinhard W. Schulte and V. A. Bashkirov and Andrew J. Wroe and Abiel Ghebremedhin and Hartmut F-W Sadrozinski and V. Rykalin and G Coutrakon and Peter F. Koss and Baldev Patyal},
  journal={Medical physics},
  volume={39 5},
PURPOSE The authors present a calibration method for a prototype proton computed tomography (pCT) scanner. The accuracy of these measurements depends upon careful calibration of the energy detector used to measure the residual energy of the protons that passed through the object. METHODS A prototype pCT scanner with a cesium iodide (CsI(Tl)) crystal calorimeter was calibrated by measuring the calorimeter response for protons of 200 and 100 MeV initial energies undergoing degradation in… CONTINUE READING


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