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Simulation of ATLAS Collaboration’s Measurement Results of Jet PT Correlations in Pb + Pb Collisions at √SNN= 2.76 TeV

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DOI: 10.4236/ns.2019.1110031    153 Downloads   301 Views
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ABSTRACT

In this article, a model based on Glauber Monte Carlo is built to simulate the procedure of jet quenching in Quark-Gluon Plasma (QGP). In this model, energy loss of jets in QGP is parametrized by two quantities: path length of jets in QGP, L, and the initial transverse momentum of the jet PT. The path length of each branch of the jet are labeled L1 and L2. As input data, original jet energy data of p + p collisions were obtained from CMS measurement. After being processed by our model, simulated Pb + Pb jet energy data could be given and were compared to the data of ATLAS’s measurement in Ref. [1]. Distributions of (1/N)dN/dxJ  where xJ=PT2/PT1, also noted as “frequency”, are presented as a function of PT1 and collision centrality. As the final result, two different forms of energy loss formula were found, both of which have good adaptation to certain centrality and PT ranges.

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Jia, S. and Zhang, Z. (2019) Simulation of ATLAS Collaboration’s Measurement Results of Jet PT Correlations in Pb + Pb Collisions at √SNN= 2.76 TeV. Natural Science, 11, 288-300. doi: 10.4236/ns.2019.1110031.

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