Laboratoire de l'Accélérateur Linéaire, IN2P3 et CNRS, 91405 ORSAY FRANCE
for the NA48 Collaboration 
The NA48 detector has been designed  to allow the measurement of in the neutral kaon system with a total error of 10 . For the detection of neutral final states a Liquid Krypton calorimeter has been tested and build offering an excellent energy, position and time resolution. In the following we present specifications of the detector, results from a small scale prototype as well as the status of the full scale apparatus.
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