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Record Nr. |
UNINA9910300160603321 |
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Autore |
Zinser Markus |
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Titolo |
Search for New Heavy Charged Bosons and Measurement of High-Mass Drell-Yan Production in Proton—Proton Collisions [[electronic resource] /] / by Markus Zinser |
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Pubbl/distr/stampa |
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Cham : , : Springer International Publishing : , : Imprint : Springer, , 2018 |
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ISBN |
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Edizione |
[1st ed. 2018.] |
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Descrizione fisica |
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1 online resource (386 pages) : illustrations |
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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 |
String theory |
Elementary Particles, Quantum Field Theory |
Quantum Field Theories, String Theory |
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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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Nota di bibliografia |
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Includes bibliographical references. |
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Nota di contenuto |
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Introduction -- Part I: Theory -- Theory Foundations -- Theoretical Predictions and Simulation -- Part II: The Experimental Setup -- The Large Hadron Collider -- The ATLAS Experiment -- Particle Reconstruction and Identification in ATLAS -- Part III: Search for New Physics in Final States with One Lepton Plus Missing Transverse Momentum at √s = 13 TeV -- Motivation -- Analysis Strategy -- Analysis -- Statistical Interpretation -- Conclusion and Outlook -- Part IV: High-mass Drell-Yan Cross Section Measurement at √s = 8 TeV -- Motivation -- Analysis Strategy -- Analysis of the Electron Channel -- Electron Channel Cross Section Measurement -- Muon Channel Cross Section -- Results and Interpretation -- Conclusion and Outlook -- Summary. |
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Sommario/riassunto |
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This book presents two analyses, the first of which involves the search for a new heavy charged gauge boson, a so-called W¢ boson. This new gauge boson is predicted by some theories extending the Standard Model gauge group to solve some of its conceptual problems. Decays of the W¢ boson in final states with a lepton (ℓ<sup>±</sup> = |
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e<sup>±</sup>, µ<sup>±</sup>) and the corresponding (anti-)neutrino are considered. Data collected by the ATLAS experiment in 2015 at a center of mass energy of sqrt{s}=13 TeV is used for the analysis. In turn, the second analysis presents a measurement of the double-differential cross section of the process pp->Z/gamma^* + X -> l^+l^- + X, including a gamma gamma induced contribution, at a center of mass energy of sqrt{s} = 8 TeV. The measurement is performed in an invariant mass region of 116 GeV to 1500 GeV as a function of invariant mass and absolute rapidity of the l^+l^-- pair, and as a function of invariant mass and pseudorapidity separation of the l^+l^-- pair. The data analyzed was recorded by the ATLAS experiment in 2012 and corresponds to an integrated luminosity of 20.3/fb. It is expected that the measured cross sections are sensitive to the PDFs at very high values of the Bjorken-x scaling variable, and to the photon structure of the proton. |
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