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Author: Publisher: ISBN: Category : Languages : en Pages : 4
Book Description
The authors review recent results of the BABAR and Belle Collaborations on the [alpha] and [gamma] angles of the unitarity triangle, on the B → K[pi][pi] Dalitz-plot analyses, and on the searches for baryonic B decays and for B → D{bar D} decays.
Author: Publisher: ISBN: Category : Languages : en Pages : 4
Book Description
The authors review recent results of the BABAR and Belle Collaborations on the [alpha] and [gamma] angles of the unitarity triangle, on the B → K[pi][pi] Dalitz-plot analyses, and on the searches for baryonic B decays and for B → D{bar D} decays.
Author: Publisher: ISBN: Category : Languages : en Pages : 4
Book Description
I report on recent measurements from the Belle and BABAR collaborations on the decay of the B meson to hadronic final states without a charm quark. The study of the branching fractions and angular distributions of B meson decays to hadronic final states without a charm quark probes the dynamics of both the weak and strong interactions, and plays an important role in understanding CP Violation (CPV) in the quark sector. CP Violation at the B factories is described graphically by a triangle with sides formed from the CKM matrix elements V{sub qd}V*{sub qb} (q = u, c, t) and internal angles [alpha], [beta] [gamma] (or [phi]2, [phi]1, [phi]3). Discrepancies in the measured values of the sides and angles could be an indication of New Physics beyond the Standard Model (SM) due to enhanced branching fractions or modified CP asymmetries. The experimental measurements of branching fractions, CP asymmetries, polarization and phases (both weak and strong) can be compared to theoretical models based on, for example, QCD factorization, SU(3) symmetry and Lattice QCD.
Author: A. J. Bevan Publisher: ISBN: Category : Languages : en Pages :
Book Description
Rare hadronic B-meson decays allow us to study CP violation. The class of B-decays final states containing two vector mesons provides a rich set of angular correlation observables to study. This article reviews some of the recent experimental results from the BABAR and Belle collaborations.
Author: Masahiro Kuze Publisher: World Scientific ISBN: 9812568719 Category : Science Languages : en Pages : 996
Book Description
These proceedings present the most up-to-date status of deep inelastic scattering (DIS) physics. Topics such as structure function measurements and phenomenology, quantum chromodynamics (QCD) studies in DIS and photoproduction, spin physics and diffractive interactions are reviewed in detail, with emphasis on those studies that push the test of QCD and the Standard Model to the limits of their present range of validity, towards both the very high and the very low four-momentum transfers in lepton-proton scattering.
Author: Publisher: ISBN: Category : Languages : en Pages : 5
Book Description
A review of recent results on branching fractions and time-integrated CP asymmetries of rare B{sub u} and B{sub d} decays to mesonic final states from BABAR Belle and CLEO experiments is presented.
Author: Sheldon Stone Publisher: World Scientific ISBN: 9811251312 Category : Science Languages : en Pages : 232
Book Description
The Standard Model (SM) of particle physics has withstood thus far every attempt by experimentalists to show that it does not describe data. We discuss the SM in some detail, focusing on the mechanism of fermion mixing, which represents one of its most intriguing aspects. We discuss how this mechanism can be tested in b-quark decays, and how b decays can be used to extract information on physics beyond the SM. We review experimental techniques in b physics, focusing on recent results and highlighting future prospects. Particular attention is devoted to recent results from b decays into a hadron, a lepton and an anti-lepton, that show discrepancies with the SM predictions — the so-called B-physics anomalies — whose statistical significance has been increasing steadily. We discuss these experiments in a detailed manner, and also provide theoretical interpretation of these results in terms of physics beyond the SM.
Author: Daniel O'Hanlon Publisher: Springer ISBN: 3030022064 Category : Science Languages : en Pages : 225
Book Description
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.
Author: Mario Campanelli Publisher: Springer Science & Business Media ISBN: 3540328416 Category : Science Languages : en Pages : 360
Book Description
This book gathers the proceedings of The Hadron Collider Physics Symposia (HCP) 2005, and reviews the state-of-the-art in the key physics directions of experimental hadron collider research. Topics include QCD physics, precision electroweak physics, c-, b-, and t-quark physics, physics beyond the Standard Model, and heavy ion physics. The present volume serves as a reference for everyone working in the field of accelerator-based high-energy physics.
Author: Sheldon Stone Publisher: World Scientific ISBN: 9789810218362 Category : Science Languages : en Pages : 676
Book Description
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.
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Author: A. J. Bevan
Author: Masahiro Kuze
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Author: Sheldon Stone
Author: Daniel O'Hanlon
Author: Mario Campanelli
Author: Sheldon Stone