Investigating the partonic entanglement entropy at low Bjorken-x within Gluon saturation approach |
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Authors: | Gabriel Silveira Ramos Magno V T Machado |
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Institution: | HEP Phenomenology Group, Instituto de Física Universidade do Rio Grande do Sul, Rio Grande do Sul, Brazil |
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Abstract: | In this work, the entanglement entropy is examined within the context of deep inelastic scattering in collisions. The calculation is based on a formalism where the partonic state at small- is maximally entangled, consisting of a large number of micro-states occurring with equal probabilities. Analytical expressions for the number of gluons, , are considered, derived from gluon saturation models for dipole-target amplitudes within the framework of the Quantum Chromodynamics (QCD) color dipole picture. A comparison of the entanglement entropy with thermodynamic entropy measured in and collisions at high energies is done. |
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Keywords: | entanglement entropy high-energy physics QCD color dipole picture |
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