Time Dependent Cp Violation Measurements
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| Author | : Markus Röhrken |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 205 |
| Release | : 2013-10-17 |
| Genre | : Science |
| ISBN | : 3319007262 |
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.
| Author | : Sheldon Stone |
| Publisher | : World Scientific |
| Total Pages | : 676 |
| Release | : 1994 |
| Genre | : Science |
| ISBN | : 9789810218362 |
This 2nd edition is an extensive update of "B Decays?. The revisions are necessary because of the extensive amount of new data and new theoretical ideas. This book reviews what is known about b-quark decays and also looks at what can be learned in the future.The importance of this research area is increasing, as evidenced by the approval of the luminosity upgrade for CESR and the asymmetric B factories at SLAC and KEK, and the possibility of experiments at hadron colliders.The key experimental observations made thus far, measurement of the lifetimes of the different B species, B0-B0 mixing, the discovery of ?Penguin? mediated decays, and the extraction of the CKM matrix elements Vub and Vcb from semileptonic decays, as well as more mundane results, are described in great detail by the experimentalists who have been closely involved with making the measurements. Theoretical progress in understanding b-quark decays using HQET and lattice gauge techniques are described by theorists who have developed and used these techniques.Synthesizing the experimental and theoretical information, several articles discuss the implications for the ?Standard Model? and how further tests can be done using measurements of CP violation in the B system.
| Author | : I. I. Bigi |
| Publisher | : Cambridge University Press |
| Total Pages | : 1 |
| Release | : 2009-04-30 |
| Genre | : Science |
| ISBN | : 1139478249 |
Why didn't the matter in our Universe annihilate with antimatter immediately after its creation? The study of CP violation may help to answer this fundamental question. This book presents theoretical tools necessary to understand this phenomenon. Reflecting the explosion of new results over the last decade, this second edition has been substantially expanded. It introduces charge conjugation, parity and time reversal, before describing the Kobayashi-Maskawa (KM) theory for CP violation and our understanding of CP violation in kaon decays. It reveals how the discovery of B mesons has provided a new laboratory to study CP violation with KM theory predicting large asymmetries, and discusses how these predictions have been confirmed since the first edition of this book. Later chapters describe the search for a new theory of nature's fundamental dynamics. This book is suitable for researchers in high energy, atomic and nuclear physics, and the history and philosophy of science.
| Author | : Markus Rohrken |
| Publisher | : |
| Total Pages | : 212 |
| Release | : 2013-10-31 |
| Genre | : |
| ISBN | : 9783319007274 |
| Author | : Michael Prim |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 111 |
| Release | : 2014-03-28 |
| Genre | : Science |
| ISBN | : 3319057561 |
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.
| Author | : Gustavo C. Branco |
| Publisher | : Oxford University Press |
| Total Pages | : 546 |
| Release | : 1999 |
| Genre | : Science |
| ISBN | : 9780198503996 |
The violation of charge-conjugation and parity symmetries is a leading area of research in particle and nuclear physics, with important implications for understanding the generation of matter in the universe. This book provides a self-contained introduction and is designed to bring beginning researchers to the forefront of the field.
| Author | : Chien-shiung Wu |
| Publisher | : |
| Total Pages | : 18 |
| Release | : 1957 |
| Genre | : Nuclear fission |
| ISBN | : |
| Author | : Herwig Schopper |
| Publisher | : World Scientific |
| Total Pages | : 452 |
| Release | : 2015-07-13 |
| Genre | : Science |
| ISBN | : 9814644161 |
The book is a compilation of the most important experimental results achieved during the past 60 years at CERN - from the mid-1950s to the latest discovery of the Higgs particle. Covering the results from the early accelerators at CERN to those most recent at the LHC, the contents provide an excellent review of the achievements of this outstanding laboratory. Not only presented is the impressive scientific progress achieved during the past six decades, but also demonstrated is the special way in which successful international collaboration exists at CERN.
| Author | : Herwig Schopper |
| Publisher | : Springer Nature |
| Total Pages | : 632 |
| Release | : 2020 |
| Genre | : Heavy ions |
| ISBN | : 3030382079 |
This first open access volume of the handbook series contains articles on the standard model of particle physics, both from the theoretical and experimental perspective. It also covers related topics, such as heavy-ion physics, neutrino physics and searches for new physics beyond the standard model. A joint CERN-Springer initiative, the "Particle Physics Reference Library" provides revised and updated contributions based on previously published material in the well-known Landolt-Boernstein series on particle physics, accelerators and detectors (volumes 21A, B1,B2,C), which took stock of the field approximately one decade ago. Central to this new initiative is publication under full open access
| Author | : J R Cudell |
| Publisher | : World Scientific |
| Total Pages | : 334 |
| Release | : 1994-12-14 |
| Genre | : |
| ISBN | : 9814549959 |
This volume contains the proceedings of the above meeting which attracted over 100 physicists from the United States, Canada, and Europe. MRST-94 explored a wide variety of current issues ranging from the formal aspects of theoretical high-energy physics (conformal field theory, strings, supersymmetry, black holes, new field-theoretic techniques, non-perturbative methods, and finite-temperature field theory) to the more phenomenological (mass generation, heavy quarks, CP violation, weak decays, neutrino physics, cosmic phenomena, heavy-ion physics, collider physics, and issues surrounding the recent evidence for the top quark). This volume thus provides a broad overview of recent developments in theoretical high-energy physics.
