Cp Violation In Charmless B Three Body Decays Where Flavour Physics Meets Hadron Physics
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CP Violation
Author | : I. I. Bigi |
Publisher | : Cambridge University Press |
Total Pages | : 506 |
Release | : 2009-04-30 |
Genre | : Science |
ISBN | : 052184794X |
Why did the matter in our Universe not annihilate itself with antimatter immediately after its creation? The discovery of CP violation may answer this fundamental question and this book presents information and tools necessary to its understanding.
Search for CP Violation in Charmless Hadronic B Meson Decays
Author | : Brendan Casey |
Publisher | : |
Total Pages | : 204 |
Release | : 2001 |
Genre | : CP violation (Nuclear physics) |
ISBN | : |
Time-Dependent CP Violation Measurements
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.
CP Violation in {B_s}^0 -> J/psi.phi Decays
Author | : Sabato Leo |
Publisher | : Springer |
Total Pages | : 0 |
Release | : 2016-09-17 |
Genre | : Science |
ISBN | : 9783319362243 |
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.