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Study of strange particle production in jets with the ALICE experiment at the LHC

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    0475116 - ÚJF 2018 CZ eng D - Thesis
    Kučera, Vít
    Study of strange particle production in jets with the ALICE experiment at the LHC.
    Matematicko-fyzikální fakulta Univerzity Karlovy a University of Strasbourg. Defended: Praha. 15.11.2016. - Cern: CERN-THESIS, 2016. 124 s.
    Institutional support: RVO:61389005
    Keywords : ALICE * heavy ion collisions * jets * fragmentation * strange particles * baryon-to-meson ratio
    Subject RIV: BG - Nuclear, Atomic and Molecular Physics, Colliders

    Quark–gluon plasma is a state of matter existing under extreme energy densities and temperatures where quarks and gluons are deconfined. Complex phenomena occurring in the plasma emerge from the strong interaction of its constituents. This hot and dense strongly interacting matter can be created in ultra-relativistic heavy-ion collisions and its properties can be studied by measuring particles produced in the collisions. Partons produced in hard scatterings interact with the medium which modifies the production of particles in jets. Measurements of spectra of identified particles produced in jets represent an important tool for understanding the interplay of various hadronization mechanisms which contribute to the particle production in the medium created in heavy-ion collisions. In this thesis, we present the measurement of the pT spectra of delta baryons and K0(s) mesons produced in charged jets in central Pb–Pb collisions at the energy root s(NN)=2.76 TeV, measured in the ALICE experiment at the LHC. The results of the analysis are used to discuss the origin of the enhancement of the baryon-to-meson ratio observed for the inclusive production of light-flavour particles in heavy-ion collisions.
    Permanent Link: http://hdl.handle.net/11104/0271978

     
     
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