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Measurement of the D0 Meson Production in Pb-Pb and p-Pb Collisions: A Study Performed with the ALICE Experiment at the LHC
This thesis presents the first measurement of charmed D0 meson production relative to the reaction plane in Pb–Pb collisions at the center-of-mass energy per nucleon-nucleon collision of √sNN = 2.76 TeV. It also showcases the measurement of the D0 production in p–Pb collisions at √sNN = 5.02 TeV with the ALICE detector at the CERN Large Hadron Collider. The measurement of the D0 azimuthal anisotropy with respect to the reaction plane indicates that low- momentum charm quarks participate in the collective expansion of the high-density, strongly interacting medium formed in ultra-relativistic heavy-ion collisions, despite their large mass. This behavior can be explained by charm hadronization via recombination with light quarks from the medium and collisional energy loss. The measurement of the D0 production in p–Pb collisions is crucial to separate the effect induced by cold nuclear matter from the final- state effects induced by the hot medium formed in Pb–Pb collisions. The D0 production in p–Pb collisions is consistent with the binary collision scaling of the production in pp collisions, demonstrating that the modification of the momentum distribution observed in Pb–Pb collisions with respect to pp is predominantly induced by final-state effects such as the charm energy loss.
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Measurement of the D0 Meson Production in Pb-Pb and p-Pb Collisions: A Study Performed with the ALICE Experiment at the LHC
This thesis presents the first measurement of charmed D0 meson production relative to the reaction plane in Pb–Pb collisions at the center-of-mass energy per nucleon-nucleon collision of √sNN = 2.76 TeV. It also showcases the measurement of the D0 production in p–Pb collisions at √sNN = 5.02 TeV with the ALICE detector at the CERN Large Hadron Collider. The measurement of the D0 azimuthal anisotropy with respect to the reaction plane indicates that low- momentum charm quarks participate in the collective expansion of the high-density, strongly interacting medium formed in ultra-relativistic heavy-ion collisions, despite their large mass. This behavior can be explained by charm hadronization via recombination with light quarks from the medium and collisional energy loss. The measurement of the D0 production in p–Pb collisions is crucial to separate the effect induced by cold nuclear matter from the final- state effects induced by the hot medium formed in Pb–Pb collisions. The D0 production in p–Pb collisions is consistent with the binary collision scaling of the production in pp collisions, demonstrating that the modification of the momentum distribution observed in Pb–Pb collisions with respect to pp is predominantly induced by final-state effects such as the charm energy loss.
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Measurement of the D0 Meson Production in Pb-Pb and p-Pb Collisions: A Study Performed with the ALICE Experiment at the LHC

Measurement of the D0 Meson Production in Pb-Pb and p-Pb Collisions: A Study Performed with the ALICE Experiment at the LHC

by Andrea Festanti
Measurement of the D0 Meson Production in Pb-Pb and p-Pb Collisions: A Study Performed with the ALICE Experiment at the LHC

Measurement of the D0 Meson Production in Pb-Pb and p-Pb Collisions: A Study Performed with the ALICE Experiment at the LHC

by Andrea Festanti

Overview

This thesis presents the first measurement of charmed D0 meson production relative to the reaction plane in Pb–Pb collisions at the center-of-mass energy per nucleon-nucleon collision of √sNN = 2.76 TeV. It also showcases the measurement of the D0 production in p–Pb collisions at √sNN = 5.02 TeV with the ALICE detector at the CERN Large Hadron Collider. The measurement of the D0 azimuthal anisotropy with respect to the reaction plane indicates that low- momentum charm quarks participate in the collective expansion of the high-density, strongly interacting medium formed in ultra-relativistic heavy-ion collisions, despite their large mass. This behavior can be explained by charm hadronization via recombination with light quarks from the medium and collisional energy loss. The measurement of the D0 production in p–Pb collisions is crucial to separate the effect induced by cold nuclear matter from the final- state effects induced by the hot medium formed in Pb–Pb collisions. The D0 production in p–Pb collisions is consistent with the binary collision scaling of the production in pp collisions, demonstrating that the modification of the momentum distribution observed in Pb–Pb collisions with respect to pp is predominantly induced by final-state effects such as the charm energy loss.

Product Details

ISBN-13: 9783319434544
Publisher: Springer International Publishing
Publication date: 09/08/2016
Series: Springer Theses
Edition description: 1st ed. 2016
Pages: 174
Product dimensions: 6.10(w) x 9.25(h) x (d)

Table of Contents

Introduction.- Physics of Ultra-Relativistic Heavy-Ion Collisions.- Heavy-Flavour Probes in Heavy-Ion Collisions.- The ALICE Experiment at the LHC.- Experimental Observables.- D0 → K−π+ Decay Reconstruction.- Systematic Uncertainties.- Azimuthal Anisotropy of D0 Production in Pb–Pb Collisions.- D0 Production in p–Pb Collisions.- Conclusions.
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