Observation Of Cp Violation In B A Dk Decays by Paolo GandiniObservation Of Cp Violation In B A Dk Decays by Paolo Gandini

Observation Of Cp Violation In B A Dk Decays

byPaolo Gandini

Hardcover | September 18, 2013

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CPviolation is a well-established phenomenon in particle physics, but until 2001 it was only observed in kaons. In the last decade, several matter-antimatter asymmetries have been observed in neutral B mesons in line with the expectations of the Standard Model of the weak interaction. DirectCPviolation is also expected in the decay rates of chargedB+mesons versus that ofB-mesons, though the greatest effects are present in a decay that occurs just twice in 10 million decays. Such rarity requires huge samples to study and this is exactly what the LHC, and its dedicatedB-physics experiment LHCb provide. This thesis presents an analysis of the first two years of LHCb data. The author describes the first observation of the rare decay,B- ' DK-, D ' Ï-K+and the first observation of directCPviolation in thisBdecay. The work constitutes essential information on the experiment's measurement of a fundamental parameter of the theory and stands as a benchmark against which subsequent analyses of this type will be compared.
Paolo Gandini is a particle physicist mainly interested in Flavour Physics. As a member of the LHCb collaboration at CERN, he completed a D.Phil in Particle Physics at the University of Oxford with a thesis on CP violation studies in charged B decays. He is currently based at CERN as a postdoctoral researcher for Syracuse University, N...
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Title:Observation Of Cp Violation In B A Dk DecaysFormat:HardcoverDimensions:167 pagesPublished:September 18, 2013Publisher:Springer-Verlag/Sci-Tech/TradeLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:331901028X

ISBN - 13:9783319010281

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Table of Contents

Introduction.- CP violation in the SM and the CKM angle γ.- The LHCb experiment at the LHC.- Reconstruction and selection.- Background studies.- The simultaneous fit.- Results.- Conclusions.- Distributions of the BDT input variables.- Validation of the ApT variable.- Histograms of systematic errors.- Bibliography.