Search For Cp Violation In B And D Decays Ii

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Searches For Cp Violation In Charmed Meson Decays

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Author : Hamish Gordon
language : en
Publisher: Springer
Release Date : 2014-06-07

Searches For Cp Violation In Charmed Meson Decays written by Hamish Gordon and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-06-07 with Science categories.

Our current understanding of the fundamental building blocks of the Universe, summarised by the Standard Model of particle physics, is incomplete. For example, it fails to explain why we do not see equal, or almost equal, numbers of particles and their antiparticle partners. To explain this asymmetry requires, among other effects, a mechanism known as charge-parity (CP) violation that causes differences between the rates at which particles and antiparticles decay. CP violation is seen in systems containing bottom and strange quarks, but not in those with up, charm or top quarks. This thesis describes searches for particle-antiparticle asymmetries in the decay rates of charmed mesons. No evidence of CP violation is found. With current sensitivities, an asymmetry large enough to observe probably could not be explained by the Standard Model. Instead an explanation could come from new physics, for example contributions from supersymmetric or other undiscovered heavy particles. In the thesis, the development of new techniques to search for these asymmetries is described. They are applied to data from the LHCb experiment at CERN to make precise measurements of asymmetries in the D^+->K^-K^+pi^+ decay channel. This is the most promising charged D decay for CP violation searches.

B Physics And Cp Violation Bcp4 Proceedings Of The International Workshop

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Author : T Ohshima
language : en
Publisher: World Scientific
Release Date : 2001-09-25

B Physics And Cp Violation Bcp4 Proceedings Of The International Workshop written by T Ohshima and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001-09-25 with Science categories.

This book offers the first strong evidence of the existence of CP violation in neutral B decays extracted from sophisticated B factories in the US and Japan. It also holds out the expectation of rare B decays and D, K physics in the near future. In addition, new physics beyond the Standard Model is described. Both experimental and theoretical points of view are given.

B Physics And Cp Violation Proceedings Of The 2nd International Conference

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Author : Thomas E Browder
language : en
Publisher: World Scientific
Release Date : 1998-04-04

B Physics And Cp Violation Proceedings Of The 2nd International Conference written by Thomas E Browder and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998-04-04 with categories.

CP violation is one of the most subtle effects in the Standard Model of particle physics and may be the first clue to the physics that lies beyond. Charge conjugation, C, and parity, P, are symmetries of particle interactions. C corresponds to the operation of replacing a particle by its antiparticle, while P is the operation of mirror reflection. Before 1956, it was believed that these were also symmetries of the interactions of elementary particles. In 1956, C S Wu found evidence for P violation in the weak interaction. Theorists proposed that the combination of CP would be a symmetry of the weak interaction. In 1964, Christenson, Cronin, Fitch and Turlay found the first evidence for the violation of CP symmetry in the decays of kaons.Although Kobayashi and Maskawa then showed how the Standard Model can accommodate the observed CP violation, Wolfenstein pointed out that it is also possible that there is a new interaction in addition to the usual four, called the superweak interaction, which is responsible for the asymmetry. To test this idea, the observation of a different type of asymmetry, called direct CP violation, is required; in the kaon sector, very precise measurements of the ratio of kaon decay rates are necessary. In B decay modes where a second order weak process whimisically named “penguin” interferes with another suppressed, first order “tree” amplitude, it may also be possible to observe these direct CP-violating effects.B physics and CP violation is now one of the major growth areas in high energy physics. Nearly every major high energy physics laboratory now has a project underway to observe the large CP asymmetries expected in the B sector and to test the consistency of the Standard Model. The unitarity of the Kobayashi-Maskawa mixing matrix in the Standard Model implies the existence of three phases, called alpha, beta and gamma, which can be determined by the measurements of CP asymmetries in B decays. About 200 participants gathered in Hawaii in March 1997 to discuss the progress in the field, and this important book constitutes the proceedings of that conference.

Quarks And Colliders Proceedings Of The Tenth Lake Louise Winter Institute

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Author : Alan Astbury
language : en
Publisher: World Scientific
Release Date : 1996-08-22

Quarks And Colliders Proceedings Of The Tenth Lake Louise Winter Institute written by Alan Astbury and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996-08-22 with Colliders (Nuclear physics) categories.

The book originated in a series of lectures given at Liverpool in 2013 to a group that included postgraduate and undergraduate students and staff of the Physics Department. They followed from two very successful lectures given to the undergraduate Physical Society. It seemed that there was a very large interest among the students in investigating the foundations of physics in a way that was never done in physics courses, and was not available in books or other outlets. However, the idea was to create a framework in which students (and interested staff) could develop their own thinking relative to the ideas in the lectures. So it was important to create both conceptual and mathematical structures on the issues that are important at this level. The book has the right sort of technical content to allow for this development, but doesn't lose itself in excessive details. The ideal use for this book would be on postgraduate courses where students would be encouraged to think about the foundations in a way that is well beyond the superficial. However, a course on aspects of this material would also be valuable at the undergraduate level, where students could be stimulated into believing that creative thinking could solve the problems that emerge when we confront foundational problems.

International Conference On Theoretical Physics

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Author : Daniel Iagolnitzer
language : en
Publisher: Birkhäuser
Release Date : 2012-12-06

International Conference On Theoretical Physics written by Daniel Iagolnitzer and has been published by Birkhäuser this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.

The International Conference on Theoretical Physics, TH-2002, took place in Paris from July 22 to 27 in the Conference Center of the UNESCO, the United Nations Educational Scientific and Cultural Organization, under aegis of the IUPAP, the International Union of Pure and Applied Physics and of the French and Euro pean Physical Societies, with a large support of several French, European and international Institutions. International and crossdisciplinary, TH-2002 welcomed around 1200 partic ipants representing all domains of modern theoretical physics. The conference offered a high-level scientific program, including 18 plenary lectures, 45 general lectures in thematic sessions and 140 more specialized lectures, partly invited and partly selected among proposals received from participants. Around 500 contribu tions were also presented as posters. Plenary lectures as well as general thematic lectures were addressed to a general audience of theoricians, not only to specialists. According to our commitments towards UNESCO and other sponsoring insti tutions, TH-2002 attributed more than 200 fellowships, mostly to scientists from developing countries and Eastern Europe, covering registration fees and, for more than half of them, stay expenses with student type accomodation. Special highlights of the conference included • the opening ceremony on July 22, with the participation of Mrs Claudie Haignere, French Minister of Research, and M. Walter Erdelen, General Ad joint Director for Sciences at UNESCO. Their opening addresses were espe cially appreciated and are reproduced below. This ceremony preceded the first lecture by Professor Cohen-Tannoudji, Physics Nobel prize winner.

High Energy Physics

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Author : Hesheng Chen
language : en
Publisher: World Scientific
Release Date : 2005-05-03

High Energy Physics written by Hesheng Chen and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-05-03 with Science categories.

The 32nd International Conference on High Energy Physics belongs to the Rochester Conference Series, and is the most important international conference in 2004 on high energy physics. The proceedings provide a comprehensive review on the recent developments in experimental and theoretical particle physics. The latest results on Top, Higgs search, CP violation, neutrino mixing, pentaquarks, heavy quark mesons and baryons, search for new particles and new phenomena, String theory, Extra dimension, Black hole and Lattice calculation are discussed extensively. The topics covered include not only those of main interest to the high energy physics community, but also recent research and future plans. Contents: Neutrino Masses and MixingsQuark Matter and Heavy Ion CollisionsParticle Astrophysics and CosmologyElectroweak PhysicsQCD Hard InteractionsQCD Soft InteractionsComputational Quantum Field TheoryCP Violation, Rare Kaon Decay and CKMR&D for Future Accelerator and DetectorHadron Spectroscopy and ExoticsHeavy Quark Mesons and BaryonsBeyond the Standard ModelString Theory Readership: Experimental and theoretical physicists and graduate students in the fields of particle physics, nuclear physics, astrophysics and cosmology.Keywords:High Energy Physics;Particle Physics;Electroweak;QCD;Heavy Quark;Neutrino;Particle Astrophysics;Hadron Spectroscopy;CP Violation;Quark Matter;Future Accelerator

The Doe Fy 99 Budget Authorization Request H R 1806 To Provide For The Consolidation Of The Doe Offices Of Fossil Energy Renewable Energy And Energy Efficiency S 965 To Amend Title Ii Of The Hydrogen Future Act Of 1996

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Author : United States. Congress. House. Committee on Science. Subcommittee on Energy and Environment
language : en
Publisher:
Release Date : 1998

The Doe Fy 99 Budget Authorization Request H R 1806 To Provide For The Consolidation Of The Doe Offices Of Fossil Energy Renewable Energy And Energy Efficiency S 965 To Amend Title Ii Of The Hydrogen Future Act Of 1996 written by United States. Congress. House. Committee on Science. Subcommittee on Energy and Environment and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Political Science categories.

Proceedings Of The 28th International Conference On High Energy Physics In 2 Volumes

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Author : Zygmunt Ajduk
language : en
Publisher: World Scientific
Release Date : 1997-04-11

Proceedings Of The 28th International Conference On High Energy Physics In 2 Volumes written by Zygmunt Ajduk and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997-04-11 with categories.

The 28th conference from the Rochester series was the major high energy physics conference in 1996. Volume one contains short reports on new theoretical and experimental results. Volume two consists of the review talks presented in the plenary sessions.

High Energy Physics

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Author :
language : en
Publisher: World Scientific
Release Date : 1981

High Energy Physics written by and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with categories.

Indirect Searches For New Physics

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Author : Alexey A. Petrov
language : en
Publisher: CRC Press
Release Date : 2021-05-03

Indirect Searches For New Physics written by Alexey A. Petrov and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-05-03 with Science categories.

This is the first book to discuss the search for new physics in charged leptons, neutrons, and quarks in one coherent volume. The area of indirect searches for new physics is highly topical; though no new physics particles have yet been observed directly at the Large Hadron Collider at CERN, the methods described in this book will provide researchers with the necessary tools to keep searching for new physics. It describes the lines of research that attempt to identify quantum effects of new physics particles in low-energy experiments, in addition to detailing the mathematical basis and theoretical and phenomenological methods involved in the searches, whilst making a clear distinction between model-dependent and model-independent methods employed to make predictions. This book will be a valuable guide for graduate students and early-career researchers in particle and high energy physics who wish to learn about the techniques used in modern predictions of new physics effects at low energies, whilst also serving as a reference for researchers at other levels. Key features: • Takes an accessible, pedagogical approach suitable for graduate students and those seeking an overview of this new and fast-growing field • Illustrates common theoretical trends seen in different subfields of particle physics • Valuable both for researchers in the phenomenology of elementary particles and for experimentalists