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Więcej informacji o Top-Quark Pair Production Cross Sections and Calibration of the Top-Quark Monte-Carlo Mass

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Opis

This thesis presents the first experimental calibration of the top-quark Monte-Carlo mass. It also provides the top-quark mass-independent and most precise top-quark pair production cross-section measurement to date. The most precise measurements of the top-quark mass obtain the top-quark mass parameter (Monte-Carlo mass) used in simulations, which are partially based on heuristic models. Its interpretation in terms of mass parameters used in theoretical calculations, e.g. a running or a pole mass, has been a long-standing open problem with far-reaching implications beyond particle physics, even affecting conclusions on the stability of the vacuum state of our universe. § In this thesis, this problem is solved experimentally in three steps using data obtained with the compact muon solenoid (CMS) detector. The most precise top-quark pair production cross-section measurements to date are performed. The Monte-Carlo mass is determined and a new method for extracting the top-quark mass from theoretical calculations is presented. Lastly, the top-quark production cross-sections are obtained - for the first time - without residual dependence on the top-quark mass, are interpreted using theoretical calculations to determine the top-quark running- and pole mass with unprecedented precision, and are fully consistently compared with the simultaneously obtained top-quark Monte-Carlo mass. §

Szczegóły książki

Kategoria Książki po angielsku Mathematics & science Physics Quantum physics (quantum mechanics & quantum field theory)

• Pełny tytuł: Top-Quark Pair Production Cross Sections and Calibration of the Top-Quark Monte-Carlo Mass
• Podtytuł: Measurements Performed with the CMS Detector Using LHC Run I Proton-Proton Collision Data
• Autor: Jan Kieseler
• Język: Angielski
• Oprawa: Twarda
• Liczba stron: 167
• EAN: 9783319400044
• ISBN: 9783319400044
• ID: 10929074
• Wydawca: Springer International Publishing AG
• Waga: 4026 g
• Wymiary: 235 × 155 × 16 mm
• Data wydania: 16. June 2016

Ulubione w innej kategorii

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