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Search for New Heavy Charged Bosons and Measurement of High-Mass Drell-Yan Production in Proton—Proton Collisions (Springer Theses)

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en Limba Engleză Carte Hardback – 08 Oct 2018
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 = e , ) and the corresponding (anti-)neutrino are considered. Data collected by the ATLAS experiment in 2015 at a center of mass energy of 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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Specificații

ISBN-13: 9783030006495
ISBN-10: 3030006492
Pagini: 341
Dimensiuni: 155 x 235 x 25 mm
Greutate: 0.78 kg
Ediția: 1st ed. 2018
Editura: Springer
Colecția Springer
Seria Springer Theses

Locul publicării: Cham, Switzerland

Cuprins

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.

Textul de pe ultima copertă

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> = 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.

Caracteristici

Nominated as an outstanding Ph.D thesis by the Johannes Gutenberg University Mainz, Germany

Presents a two-pronged approach towards further extending our knowledge: searching for signatures of new physics and performing precision measurements

Serves as an excellent point of reference for future PhD students working on collider based particle physics