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Record Nr. |
UNINA9910427691503321 |
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Autore |
Pflitsch Svenja Karen |
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Titolo |
Associated Production of W + Charm in 13 TeV Proton-Proton Collisions Measured with CMS and Determination of the Strange Quark Content of the Proton / / by Svenja Karen Pflitsch |
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Pubbl/distr/stampa |
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Cham : , : Springer International Publishing : , : Imprint : Springer, , 2020 |
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ISBN |
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Edizione |
[1st ed. 2020.] |
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Descrizione fisica |
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1 online resource (XIII, 148 p. 218 illus., 79 illus. in color.) |
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Collana |
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Springer Theses, Recognizing Outstanding Ph.D. Research, , 2190-5053 |
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Disciplina |
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Soggetti |
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Elementary particles (Physics) |
Quantum field theory |
Nuclear physics |
Elementary Particles, Quantum Field Theory |
Particle and Nuclear Physics |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Nota di contenuto |
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Introduction -- Theoretical Overview -- The LHC and the CMS Experiment -- Event Reconstruction -- Measurement of the Associated Production of W+charm in √s = 13 TeV Proton-Proton Collisions -- Determination of the Strange Quark Content of the Proton -- Summary and Conclusions. |
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Sommario/riassunto |
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The associated production of a W boson and a single charm quark (W+c) is the only process in proton-proton collisions that directly probes the strange quark content of the proton. In this thesis, W+charm production is measured in proton-proton collisions at the LHC at 13 TeV, as recorded by the Compact Muon Solenoid (CMS) experiment. The analysis focuses on the identification of W bosons in their leptonic decay to a muon and a neutrino and charm quarks are tagged via the full reconstruction of D*-Mesons. The measured cross sections of W+c production are used, in combination with other relevant CMS results and the most precise HERA DIS data, in a QCD analysis to determine the strange quark content of the proton. The resulting strange quark distribution and suppression, with respect to |
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the other light sea quarks, are in good agreement with those obtained in neutrino scattering experiments and extend their kinematic reach. |
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