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Quantum chromodynamics (QCD), the fundamental theory of the strong force, predicts the liberation of quarks and gluons to create a new phase of matter, the Quark Gluon Plasma (QGP). During the last 10 years, experiments performed at the Relativistic Heavy Ion Collider (RHIC) tested this prediction and explored the properties of this novel form of matter. While the naive interpretations of QCD calculations suggested that this QGP produced at RHIC should behave like a dilute gas, the experimental results provided evidence that it behaves more like a nearly `perfect' liquid, which is opaque to the passage of colored partons. In November 2010, LHC successfully delivered the first heavy ion collisions at an unprecedented center-of-mass energy of 2.76 TeV to explore new regions of the phase diagram. A wide variety of energetic hard probe measurements will be available over a broad extended kinematic range at LHC. These new measurements will quantify the fundamental properties of QGP. In this project the group members will focus on production of hard probes as a diagnostic tool to determine the detailed properties of the hot QCD matter. For a more complete, quantitative and discriminatory picture of quenching of the color partons and to avoid intrinsic biases of leading hadron measurements, they will reconstruct jets in relativistic heavy ion collisions at LHC using the CMS detector.
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