Masters Degrees (Physics)

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Heavy-quark production via leptonic decays at forward rapidity in pp collisions with ALICE at the LHC
(Stellenbosch : Stellenbosch University, 2020-12) Monteverdi, Christine Marie; Buthelezi, Z.; Fortsch, S. V.; Papka, Paul; Stellenbosch University. Faculty of Science. Dept. of Physics.
ENGLISH ABSTRACT: The measurements for the study of heavy-quark production in proton-proton (pp) collisions with ALICE at Large Hadron Collider (LHC) energies are described. Heavy-quarks (charm and beauty) are produced at an early stage of the collision via hard parton scatterings. In ALICE, heavy-quarks are measured in the central barrel (j j < 0:9) via the hadronic and electronic decay channels and at forward rapidity (􀀀4 < < 􀀀2:5) via the single muon decay channel. These measurements provide a testing ground for quantum chromodynamics (QCD) theoretical models and also serve as a baseline for heavy-ion collisions. This study focuses on the measurement of heavy-quark production via the inclusive single muon decay channel at forward rapidity in the ALICE Muon Spectrometer. In this region, one is able to exploit the single high and low transverse momentum (pT ) triggers to measure the inclusive single muon pT and pseudorapidity ( ) differential cross sections. These single muon differential cross sections are presented and compared to model calculations, by means of the Fixed Order plus Next-to-Leading Logarithms (FONLL).