Speaker
Description
We present a detailed analysis of the transverse momentum distribution of charged particles from three different schemes. The first two arise from considering the color string picture described by the Schwinger mechanism convoluted with Gaussian and q-Gaussian string tension fluctuations, obtaining the $p_T$-exponential and the Tricomi’ function, respectively. Both are compared with the QCD-based Hagedorn fitting function, usually used to describe the hard $p_T$ spectra. We determine the statistics of the charged particles' invariant yield by analyzing the experimental data of minimum bias pp collisions reported by RHIC and LHC experiments. Finally, we compute the Shannon entropy, finding that the heavy tail of the $p_T$ spectrum leads to a rise in the monotonically increasing behavior of the entropy as a function of the center of mass energy and the temperature.
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