Measurements Of Cp Violation In Mixing Of Bs Mesons And The Ds Production Asymmetry At Lhcb
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Measurements Of Cp Violation In Mixing Of Bs Mesons And The Ds Production Asymmetry At Lhcb
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Author : Suzanne Klaver
language : en
Publisher:
Release Date : 2017
Measurements Of Cp Violation In Mixing Of Bs Mesons And The Ds Production Asymmetry At Lhcb written by Suzanne Klaver and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.
A Study Of The Lhcb Experiment S Sensitivity To Cp Violation In Mixing And To Production Asymmetry In Bs Mesons Using Semi Leptonic Decays
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Author : Kenneth Lessnoff
language : en
Publisher:
Release Date : 2010
A Study Of The Lhcb Experiment S Sensitivity To Cp Violation In Mixing And To Production Asymmetry In Bs Mesons Using Semi Leptonic Decays written by Kenneth Lessnoff and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.
A Study Of The Lhcb Experiment S Sensitivity To Cp Violation In Mixing And To Production Asymmetery In Bs Mesons Using Semi Leptonic Decays
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Author :
language : en
Publisher:
Release Date : 2010
A Study Of The Lhcb Experiment S Sensitivity To Cp Violation In Mixing And To Production Asymmetery In Bs Mesons Using Semi Leptonic Decays written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.
Time Dependent Cp Violation Measurements
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Author : Markus Röhrken
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-10-17
Time Dependent Cp Violation Measurements written by Markus Röhrken and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-17 with Science categories.
This thesis describes a high-quality, high-precision method for the data analysis of an interesting elementary particle reaction. The data was collected at the Japanese B-meson factory KEKB with the Belle detector, one of the most successful large-scale experiments worldwide. CP violation is a subtle quantum effect that makes the world look different when simultaneously left and right and matter and antimatter are exchanged. This being a prerequisite for our own world to have developed from the big bang, there are only a few experimental indications of such effects, and their detection requires very intricate techniques. The discovery of CP violation in B meson decays garnered Kobayashi and Maskawa, who had predicted these findings as early as 1973, the 2008 Nobel prize in physics. This thesis describes in great detail what are by far the best measurements of branching ratios and CP violation parameters in two special reactions with two charm mesons in the final state. It presents an in-depth but accessible overview of the theory, phenomenology, experimental setup, data collection, Monte Carlo simulations, (blind) statistical data analysis, and systematic uncertainty studies.
Studies Of Cp Violation In Charmless Three Body B Hadron Decays
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Author : Daniel O'Hanlon
language : en
Publisher: Springer
Release Date : 2018-11-02
Studies Of Cp Violation In Charmless Three Body B Hadron Decays written by Daniel O'Hanlon and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-11-02 with Science categories.
This book highlights two essential analyses of data collected during the LHCb experiment, based on the Large Hadron Collider at CERN. The first comprises the first observation and studies of matter-antimatter asymmetries in two three-body b-baryon decays, paving the way for more precise measurements of the relatively unknown decay properties of b-baryon decays. The second is an analysis of a charged B meson decay to three charged pions, where previously large matter-antimatter asymmetries were observed in a model-independent analysis. Here a model of the decay amplitude is constructed using the unitarity-conserving ‘K-matrix’ model for the scalar contributions, so as to gain an understanding of how the previously observed matter-antimatter asymmetries arise; further, the model’s construction yields the most precise and comprehensive study of this decay mode to date.
Searches For Cp Violation In Charmed Meson Decays
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Author : Hamish Gordon
language : en
Publisher: Springer
Release Date : 2014-06-07
Searches For Cp Violation In Charmed Meson Decays written by Hamish Gordon and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-06-07 with Science categories.
Our current understanding of the fundamental building blocks of the Universe, summarised by the Standard Model of particle physics, is incomplete. For example, it fails to explain why we do not see equal, or almost equal, numbers of particles and their antiparticle partners. To explain this asymmetry requires, among other effects, a mechanism known as charge-parity (CP) violation that causes differences between the rates at which particles and antiparticles decay. CP violation is seen in systems containing bottom and strange quarks, but not in those with up, charm or top quarks. This thesis describes searches for particle-antiparticle asymmetries in the decay rates of charmed mesons. No evidence of CP violation is found. With current sensitivities, an asymmetry large enough to observe probably could not be explained by the Standard Model. Instead an explanation could come from new physics, for example contributions from supersymmetric or other undiscovered heavy particles. In the thesis, the development of new techniques to search for these asymmetries is described. They are applied to data from the LHCb experiment at CERN to make precise measurements of asymmetries in the D^+->K^-K^+pi^+ decay channel. This is the most promising charged D decay for CP violation searches.
Cp Violation In B S 0 J Psi Phi Decays
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Author : Sabato Leo
language : en
Publisher: Springer
Release Date : 2014-07-24
Cp Violation In B S 0 J Psi Phi Decays written by Sabato Leo and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-07-24 with Science categories.
This thesis reports on the final measurement of the flavor-mixing phase in decays of strange-bottom mesons (B_s) into J/psi and phi mesons performed in high-energy proton-antiproton collisions recorded by the Collider Experiment at Fermilab. Interference occurs between direct decays and decays following virtual particle-antiparticle transitions (B_s-antiB_s). The phase difference between transition amplitudes (“mixing phase”) is observable and extremely sensitive to contributions from non-standard-model particles or interactions that may be very hard to detect otherwise – a fact that makes the precise measurement of the B_s mixing phase one of the most important goals of particle physics. The results presented include a precise determination of the mixing phase and a suite of other important supplementary results. All measurements are among the most precise available from a single experiment and provide significantly improved constraints on the phenomenology of new particles and interactions.
Measurement Of The Mixing Parameters Of Neutral Charm Mesons And Search For Indirect Cp Violation With D0 K0 S Decays At Lhcb
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Author : Stefanie Reichert
language : en
Publisher:
Release Date : 2016
Measurement Of The Mixing Parameters Of Neutral Charm Mesons And Search For Indirect Cp Violation With D0 K0 S Decays At Lhcb written by Stefanie Reichert and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
Polarization And Cp Violation Measurements
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Author : Michael Prim
language : en
Publisher: Springer Science & Business Media
Release Date : 2014-03-28
Polarization And Cp Violation Measurements written by Michael Prim and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-03-28 with Science categories.
This thesis describes the thorough analysis of the rare B meson decay into φ K* on data taken by the Belle Collaboration at the B-meson-factory KEKB over 10 years. This reaction is very interesting, because it in principle allows the observation of CP-violation effects. In the Standard Model however, no CP violation in this reaction is expected. An observation of CP asymmetries thus immediately implies new physics. This thesis presents an amplitude analysis of this decay and the search for CP violation in detail and discusses methods to solve related problems: The quantification of multivariate dependence and the improvement of numeric evaluation speed of normalization integrals in amplitude analysis. In addition it provides an overview of the theory, experimental setup, (blind) statistical data analysis and estimation of systematic uncertainties.
Measurement Of The Mixing Parameters Of Neutral Charm Mesons And Search For Indirect Cp Violation With D0 K0s Decays At Lhcb
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Author : Martha Hilton
language : en
Publisher:
Release Date : 2021
Measurement Of The Mixing Parameters Of Neutral Charm Mesons And Search For Indirect Cp Violation With D0 K0s Decays At Lhcb written by Martha Hilton and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021 with categories.