EPJ Web Conf.
Volume 199, 2019MESON 2018 – 15th International Workshop on Meson Physics
|Number of page(s)||5|
|Published online||01 February 2019|
Measurement of azimuthal correlations of D mesons with charged particles in pp collisions at TeV with ALICE at the LHC
Indian Institute of Technology Bombay, Mumbai, India
* e-mail: email@example.com
Published online: 1 February 2019
The ALICE (A Large Ion Collider Experiment) detector at the LHC (Large Hadron Collider) is dedicated to the study of the properties of the hot and dense QCD matter (Quark–Gluon Plasma) produced in the nucleus-nucleus collisions at high energy. Heavy quarks (charm and beauty), having large masses, are produced in the hard-parton scattering in the early stages of the collision. Therefore, they experience the whole evolution of the hot and dense medium, representing an important tool for its characterization. The study of angular correlations between D mesons and charged particles in Pb–Pb collisions gives insight about the energy loss of charm quarks and the medium-induced modification of its fragmentation into jets. Moreover, pp collisions help to understand the production mechanisms, fragmentation and hadronization of charm quarks and acts as a reference for p–Pb and Pb–Pb measurements. In this article, the measurement of azimuthal correlations between D0 meson and charged particles in pp collisions at TeV is presented. The collisional energy dependence of the correlations is extracted from the comparison with the results at TeV. The data are also compared with simulations performed with different event generators.
© The Authors, published by EDP Sciences, 2019
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