WA93 experiment
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WA93 experiment (Synonym: Light Universal Detector or LUD) was a detector experiment conducted at CERN for studying the correlations between photons and charged particles. It was an experimental program of CERN and part of the research programme SPS.[1][2] The experiment was majorly conducted by the Indian High-Energy Heavy Ion Physics Team at CERN-SPS.[3] For measurement of the multiplicity and the rapidity and azimuthal distributions of photons in ultra-relativistic heavy ion collisions, Photon Multiplicity Detector was implemented in the experiment. The experiment was led by Indian physicist Y P Viyogi.[4] Hans H. Gutbrod was the spokesperson of the experimental project. The experimental project was approved on 22 November 1990. The experiment was completed on 9 May 2002.[1]
