Measurement of Beauty and Charm Production in Deep Inelastic Scattering at HERA and Measurement of the Beauty-quark Mass
Title | Measurement of Beauty and Charm Production in Deep Inelastic Scattering at HERA and Measurement of the Beauty-quark Mass PDF eBook |
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Pages | 0 |
Release | 2014 |
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Measurement of Beauty Quark Production in Deep Inelastic Scattering at HERA
Title | Measurement of Beauty Quark Production in Deep Inelastic Scattering at HERA PDF eBook |
Author | Vincenzo Chiochia |
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Release | 2003 |
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Associated Production of W + Charm in 13 TeV Proton-Proton Collisions Measured with CMS and Determination of the Strange Quark Content of the Proton
Title | Associated Production of W + Charm in 13 TeV Proton-Proton Collisions Measured with CMS and Determination of the Strange Quark Content of the Proton PDF eBook |
Author | Svenja Karen Pflitsch |
Publisher | Springer Nature |
Pages | 148 |
Release | 2020-08-18 |
Genre | Science |
ISBN | 303052762X |
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 the other light sea quarks, are in good agreement with those obtained in neutrino scattering experiments and extend their kinematic reach.
Measurement of Charm and Beauty Production in Deep Inelastic Scattering at HERA Using Semi-leptonic Decays Into Muons
Title | Measurement of Charm and Beauty Production in Deep Inelastic Scattering at HERA Using Semi-leptonic Decays Into Muons PDF eBook |
Author | Marcello Bindi |
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Release | 2008 |
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First Measurement of the Running of the Top Quark Mass
Title | First Measurement of the Running of the Top Quark Mass PDF eBook |
Author | Matteo M. Defranchis |
Publisher | Springer Nature |
Pages | 170 |
Release | 2022-01-03 |
Genre | Science |
ISBN | 3030903761 |
In this thesis, the first measurement of the running of the top quark mass is presented. This is a fundamental quantum effect that had never been studied before. Any deviation from the expected behaviour can be interpreted as a hint of the presence of physics beyond the Standard Model. All relevant aspects of the analysis are extensively described and documented. This thesis also describes a simultaneous measurement of the inclusive top quark-antiquark production cross section and the top quark mass in the simulation. The measured cross section is also used to precisely determine the values of the top quark mass and the strong coupling constant by comparing to state-of-the-art theoretical predictions. All the theoretical and experimental aspects relevant to the results presented in this thesis are discussed in the initial chapters in a concise but complete way, which makes the material accessible to a wider audience.
Measurement of Beauty Production in Deep Inelastic Scattering at HERA
Title | Measurement of Beauty Production in Deep Inelastic Scattering at HERA PDF eBook |
Author | Deutsches Elektronen-Synchrotron (Center) |
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Release | 2004 |
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Measurement of Charm and Beauty Production in Deep Inelastic Ep Scattering from Decays Into Muons at HERA
Title | Measurement of Charm and Beauty Production in Deep Inelastic Ep Scattering from Decays Into Muons at HERA PDF eBook |
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Pages | 0 |
Release | 2009 |
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