Study of initial state fluctuations in pp and pPb as non-equilibrium systems
Date
2023-07
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Benemérita Universidad Autónoma de Puebla
Abstract
"This project proposes a study of the fluctuations of the initial state in collisions of pp (proton proton), pP b (proton-lead) and P bP b (lead-lead) at the energies of the Large Hadron Collider. (LHC) as a way of analyzing the state that is formed in the high multiplicity events of these systems and the relationship with the Quarks and Gluon Plasma (QGP). In particular, to study the effect of fluctuations that are associated with the initial state, such as fluctuations in the multiplicity spectrum. This allows analyzing the temperature and energy density, as well as the possible characterisation by species, locally and globally for each collision event. The analysis is presented under the Color String Percolation Model (CSPM), as a proposal for transverse momentum fluctuations and is compared with the Tsallis distribution, given the successful representation with which they recreate the transverse momentum spectra for hadrons in pp collisions and heavy ions".
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