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Meaurement Of Cp Content And Time Dependent Cp Violation In B0 D D Decays

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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.

Measurement Of Cp Content And Time Dependent Cp Violation In B0 D D Decays

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Author :
language : en
Publisher:
Release Date : 2009

Measurement Of Cp Content And Time Dependent Cp Violation In B0 D D 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 2009 with categories.

Flavor Physics And The Tev Scale

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Author : George W. S. Hou
language : en
Publisher: Springer
Release Date : 2019-02-26

Flavor Physics And The Tev Scale written by George W. S. Hou and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-02-26 with Science categories.

The second edition of this monograph discusses the usefulness of heavy flavor as a probe of TeV-scale physics, exploring a number of recently-uncovered “flavor anomalies” that are suggestive of possible TeV-scale phenomena. The large human endeavor at the Large Hadron Collider has not turned up any New Physics, except the last particle of the Standard Model, the Higgs boson. Revised and updated throughout, this book puts the first results from the LHC into perspective and provides an outlook for a new era of flavor physics. The author readdresses many questions raised in the first edition and poses new ones. As before, the experimental perspective is taken, with a focus on processes, rather than theories or models, as a basis for exploration, and two-thirds of the book is concerned with b -^ s or bs sb transitions. In the face of the advent of Belle II and other flavor experiments, this book becomes a part of a dialogue between the energy/collider and intensity/flavor frontiers that will continue over the coming decade. Researchers with an interest in modern particle physics will find this book particularly valuable.

Intersections Of Particle And Nuclear Physics

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Author : Zohreh Parsa
language : en
Publisher: American Inst. of Physics
Release Date : 2004-03-09

Intersections Of Particle And Nuclear Physics written by Zohreh Parsa and has been published by American Inst. of Physics this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-03-09 with Science categories.

The purpose of this meeting, as with the seven previous conferences in this series, was to bring together particle and nuclear physicists to share scientific reports and discuss areas of research which overlap both their disciplines. Its relevance has steadily grown as the areas of overlap between particle and nuclear physics have increased. In addition, the success of the standard model has provided a common underpinning for both disciplines as well as similar fundamental goals. Indeed, Quantum Chromodynamics (QCD) has proven to be "the" theory of strong interactions. As such, it forms the basis for nuclear physics as well as high energy hadronic interactions. Topics included are: QCD spectroscopy and dynamics, relativistic heavy ions, QCD and nuclear structure, lepton-hadron and hadron-hadron scattering, heavy quark and heavy lepton physics, spin physics, nuclear and particle astrophysics, neutrinos, accelerators, facilities and detectors, as well as tests of fundamental symmetries.

Measurement Of Cp Content And Time Dependent Cp Violation In B0 U2192 D D Decays

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Author :
language : en
Publisher:
Release Date : 2008

Measurement Of Cp Content And Time Dependent Cp Violation In B0 U2192 D D 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 2008 with categories.

This dissertation presents the measurement of the Cp-odd fraction and time-dependent CP violation parameters for the B0 → D*+ D*- decay. These results are based on the full BABAR dataset of (467 ± 5) x 106 B$ar{B}$ pairs collected at the PEP-II B Factory at the Stanford Linear Accelerator Center. An angular analysis finds that the CP-odd fraction of the B0 →D*+ D*- decay is Rperpendicular = 0.158 ± 0.028 ± 0.006, where the first uncertainty is statistical, and the second is systematic. A fit to the flavor-tagged, time-dependent, angular decay rate yields C+ = 0.02 ± 0.12 ± 0.02; Cperpendicular = 0.41 ± 0.50 ± 0.08; S+ = -0.76 ± 0.16 ± 0.04; S perpendicular = -1.81 ± 0.71 ± 0.16, for the CP-odd (perpendicular) and CP-even (plus) contributions. Constraining these two contributions to be the same results in C = 0.047 ± 0.091 ± 0.019; S = -0.71 ± 0.16 ± 0.03. These measurements are consistent with the Standard Model and with measurements of sin2? from B0 → (c$ar{c}$)K0 decays.