Study of Double Charm B Decays with the LHCb Experiment at CERN and Track Reconstruction for the LHCb Upgrade
Study of Double Charm B Decays with the LHCb Experiment at CERN and Track Reconstruction for the LHCb Upgrade

Author: Renato Quagliani

Publisher: Springer

Published: 2018-11-04

Total Pages: 277

ISBN-13: 3030018393

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This book discusses the study of double charm B decays and the first observation of B0->D0D0Kst0 decay using Run I data from the LHCb experiment. It also describes in detail the upgrade for the Run III of the LHCb tracking system and the trigger and tracking strategy for the LHCb upgrade, as well as the development and performance studies of a novel standalone tracking algorithm for the scintillating fibre tracker that will be used for the LHCb upgrade. This algorithm alone allows the LHCb upgrade physics program to achieve incredibly high sensitivity to decays containing long-lived particles as final states as well as to boost the physics capabilities for the reconstruction of low momentum particles.

The Physics of the B Factories
The Physics of the B Factories

Author: Adrian Bevan

Publisher: Springer

Published: 2015-03-23

Total Pages: 0

ISBN-13: 9783662449905

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This comprehensive work thoroughly introduces and reviews the set of results from Belle and BaBar - after more than two decades of independent and complementary work - all the way from the detectors and the analysis tools used, up to the physics results, and the interpretation of these results. The world’s two giant B Factory collaborations, Belle at KEK and BaBar at SLAC, have successfully completed their main mission to discover and quantify CP violation in the decays of B mesons. CP violation is a necessary requirement to distinguish unambiguously between matter and antimatter. The shared primary objective of the two B Factory experiments was to determine the shape of the so-called unitarity triangle, an abstract triangle representing interactions of quarks, the elementary constituents of matter. The area of the triangle is a measure of the amount of CP violation associated with the weak force. Many other measurements have been performed by the B Factories and are also discussed in this work.

Biological Transmutation
Biological Transmutation

Author: George Ohsawa

Publisher: George Ohsawa Macrobiotic

Published: 2011-04

Total Pages: 74

ISBN-13: 0918860652

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George Ohsawa's translation and interpretation of Kervran's theory of biological transmutation, in which elements can transmute to other elements in the biological body.

First Observation of Fully Reconstructed B0 and Bs0 Decays into Final States Involving an Excited Neutral Charm Meson in LHCb
First Observation of Fully Reconstructed B0 and Bs0 Decays into Final States Involving an Excited Neutral Charm Meson in LHCb

Author: Arnau Brossa Gonzalo

Publisher: Springer Nature

Published: 2023-01-31

Total Pages: 241

ISBN-13: 3031227530

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This book presents the latest results on the branching fraction and phase space distribution of B0 and Bs0 decays into final states including excited neutral charm mesons. This work represents four years of research, and the book describes in detail all the necessary steps and techniques required to perform a physics analysis of the data recorded by the LHCb experiment in the years 2016–2018. Although the results presented in this book represent the first measurement of such decays, the text is written in a manner accessible to Ph.D. students and early career researchers. Thus, all the contents included in this book are described in a pedagogical way, including technical details that would allow the results to be reproduced in future. In addition to the methodology used to perform these measurements, the book also includes a description of the theoretical background required to interpret the results presented, as well as a technical description of the LHCb detector, which provided the data sample used in this study.

Studies of CP-Violation in Charmless Three-Body b-Hadron Decays
Studies of CP-Violation in Charmless Three-Body b-Hadron Decays

Author: Daniel O'Hanlon

Publisher: Springer

Published: 2018-12-10

Total Pages: 215

ISBN-13: 9783030022051

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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.

Searching for New Physics in b → sl+l− Transitions at the LHCb Experiment
Searching for New Physics in b → sl+l− Transitions at the LHCb Experiment

Author: Luca Pescatore

Publisher: Springer

Published: 2017-10-13

Total Pages: 200

ISBN-13: 9783319664224

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This thesis presents two analyses of semileptonic b → sl+l− decays using Flavour Changing Neutral Currents (FCNCs) to test for the presence of new physics and lepton flavour universality, and the equality of couplings for different leptons, which on the basis of experimental evidence is assumed to hold in the Standard Model, free from uncertainties as a result of knowledge of the hadronic matrix elements. It also includes the angular analysis of Lambda_b->Lambda mumu decay and the RK* measurement, both of which are first measurements, not yet performed by any other experiment.

Observation of CP Violation in B± → DK± Decays
Observation of CP Violation in B± → DK± Decays

Author: Paolo Gandini

Publisher: Springer Science & Business Media

Published: 2013-09-05

Total Pages: 179

ISBN-13: 3319010298

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CP violation is a well-established phenomenon in particle physics, but until 2001 it was only observed in kaons. In the last decade, several matter-antimatter asymmetries have been observed in neutral B mesons in line with the expectations of the Standard Model of the weak interaction. Direct CP violation is also expected in the decay rates of charged B+ mesons versus that of B- mesons, though the greatest effects are present in a decay that occurs just twice in 10 million decays. Such rarity requires huge samples to study and this is exactly what the LHC, and its dedicated B-physics experiment LHCb provide. This thesis presents an analysis of the first two years of LHCb data. The author describes the first observation of the rare decay, B- → DK-, D → π-K+ and the first observation of direct CP violation in this B decay. The work constitutes essential information on the experiment’s measurement of a fundamental parameter of the theory and stands as a benchmark against which subsequent analyses of this type will be compared.

b-Quark Physics with the LEP Collider
b-Quark Physics with the LEP Collider

Author: Gary John Barker

Publisher: Springer

Published: 2010-11-05

Total Pages: 200

ISBN-13: 9783642053085

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With an emphasis firmly on telling the story from an experimental viewpoint, this book reviews the impact that the LEP experiments have had on the subject of b-quark physics. Highlights of the final b-physics results from the LEP collaborations are reviewed.

B Decays (Revised 2nd Edition)
B Decays (Revised 2nd Edition)

Author: Sheldon Stone

Publisher: World Scientific

Published: 1994-08-01

Total Pages: 673

ISBN-13: 9814583308

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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.