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Theoretical and Experimental Approaches to Dark Energy and the Cosmological Constant Problem - Ahmad Borzou

Theoretical and Experimental Approaches to Dark Energy and the Cosmological Constant Problem

(Autor)

Buch | Hardcover
XV, 111 Seiten
2017 | 1st ed. 2018
Springer International Publishing (Verlag)
978-3-319-69631-7 (ISBN)
CHF 164,75 inkl. MwSt
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This thesis represents a unique mix of theoretical work discussing the Lorentz theory of gravity and experimental work searching for supersymmetry with the Compact Muon Solenoid experiment at the Large Hadron Collider. It begins by reviewing a set of widely-discussed theoretical solutions to the cosmological constant problem, including a natural solution provided by the recently developed Lorentz gauge theory of gravity. The Schwartzschild metric, de Sitter space, and quantum versions of the theory are also discussed. The thesis then looks to supersymmetry for an alternative solution. The idea behind supersymmetry is reviewed and an experimental search for supersymmetry is presented. A major contribution was to estimate one of the most significant backgrounds in this search, which arises from top-antitop quark pair production or W boson production in association with multiple jets where the W boson decays into the hadronically-decaying tau leptons and neutrinos. This background was estimated through a novel method involving kinematically analogous events but including a well-measured muon. This search significantly extends limits on supersymmetric partners of gluons from previous searches.

Chapter1. Introduction.- Chapter2. Dark Energy.- Chapter3. A Lorentz gauge theory of gravity.- Chapter4. Standard Model and Supersymmetry.- Chapter5. The Large Hadron Collider.- Chapter6. The Compact Muon Solenoid. Chapter7. Search for supersymmetry in the multijet and missing transverse momentum channel in pp collisions at 13 TeV.- Chapter8. Summary.

Erscheinungsdatum
Reihe/Serie Springer Theses
Zusatzinfo XV, 111 p. 42 illus., 33 illus. in color.
Verlagsort Cham
Sprache englisch
Maße 155 x 235 mm
Gewicht 361 g
Themenwelt Naturwissenschaften Physik / Astronomie Astronomie / Astrophysik
Naturwissenschaften Physik / Astronomie Atom- / Kern- / Molekularphysik
Naturwissenschaften Physik / Astronomie Hochenergiephysik / Teilchenphysik
Naturwissenschaften Physik / Astronomie Quantenphysik
Naturwissenschaften Physik / Astronomie Theoretische Physik
Schlagworte compact muon solenoid • de Sitter space • Large Hadron Collider • Lorentz gauge theory of gravity • Schwartzschild metric • search for supersymmetry • solutions cosmological constant • solutions dark energy
ISBN-10 3-319-69631-9 / 3319696319
ISBN-13 978-3-319-69631-7 / 9783319696317
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