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Heavy Neutral Particle Decays to Tau Pairs

Heavy Neutral Particle Decays to Tau Pairs Author Michail Bachtis
ISBN-10 9783319032573
Release 2013-12-13
Pages 152
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The work presented in this thesis spans a wide range of experimental particle physics subjects, starting from level-1 trigger electronics to the final results of the search for Higgs boson decay and to tau lepton pairs. The thesis describes an innovative reconstruction algorithm for tau decays and details how it was instrumental in providing a measurement of Z decay to tau lepton pairs. The reliability of the analysis is fully established by this measurement before the Higgs boson decay to tau lepton pairs is considered. The work described here continues to serve as a model for analysing CMS Higgs to tau leptons measurements.

XXII DAE High Energy Physics Symposium

XXII DAE High Energy Physics Symposium Author Md. Naimuddin
ISBN-10 9783319731711
Release 2018-05-23
Pages 933
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These proceedings gather invited and contributed talks presented at the XXII DAE-BRNS High Energy Physics (HEP) Symposium, which was held at the University of Delhi, India, on 12–16 December 2016. The contributions cover a variety of topics in particle physics, astroparticle physics, cosmology and related areas from both experimental and theoretical perspectives, namely (1) Neutrino Physics, (2) Standard Model Physics (including Electroweak, Flavour Physics), (3) Beyond Standard Model Physics, (4) Heavy Ion Physics & QCD (Quantum Chromodynamics), (5) Particle Astrophysics & Cosmology, (6) Future Experiments and Detector Development, (7) Formal Theory, and (8) Societal Applications: Medical Physics, Imaging, etc. The DAE-BRNS High Energy Physics Symposium, widely considered to be one of the leading symposiums in the field of Elementary Particle Physics, is held every other year in India and supported by the Board of Research in Nuclear Sciences (BRNS), Department of Atomic Energy (DAE), India. As many as 400 physicists and researchers attended the 22nd Symposium to discuss the latest advances in the field. A poster session was also organized to highlight the work and findings of young researchers. Bringing together the essential content, the book offers a valuable resource for both beginning and advanced researchers in the field.

Neutrinos in Particle Physics Astronomy and Cosmology

Neutrinos in Particle Physics  Astronomy and Cosmology Author Zhizhong Xing
ISBN-10 9783642175602
Release 2011-06-08
Pages 350
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"Neutrinos in Particle Physics, Astronomy and Cosmology" provides a comprehensive and up-to-date introduction to neutrino physics, neutrino astronomy and neutrino cosmology. The intrinsic properties and fundamental interactions of neutrinos are described, as is the phenomenology of lepton flavor mixing, seesaw mechanisms and neutrino oscillations. The cosmic neutrino background, stellar neutrinos, supernova neutrinos and ultrahigh-energy cosmic neutrinos, together with the cosmological matter-antimatter asymmetry and other roles of massive neutrinos in cosmology, are discussed in detail. This book is intended for researchers and graduate students in the fields of particle physics, particle astrophysics and cosmology. Dr. Zhizhong Xing is a professor at the Institute of High Energy Physics, Chinese Academy of Sciences, China; Dr. Shun Zhou is currently a postdoctoral fellow at the Max Planck Institute for Physics, Germany.

Beyond Standard Model Phenomenology at the LHC

Beyond Standard Model Phenomenology at the LHC Author Priscila de Aquino
ISBN-10 9783319007625
Release 2013-09-16
Pages 158
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This thesis provides an introduction to the physics of the Standard Model and beyond, and to the methods used to analyse Large Hadron Collider (LHC) data. The 'hierarchy problem', astrophysical data and experiments on neutrinos indicate that new physics can be expected at the now accessible TeV scale. This work investigates extensions of the Standard Model with gravitons and gravitinos (in the context of supergravity). The production of these particles in association with jets is studied as one of the most promising avenues for researching new physics at the LHC. Advanced simulation techniques and tools, such as algorithms allowing the computation of Feynman graphs and helicity amplitudes are first developed and then employed.

Searches for CP Violation in Charmed Meson Decays

Searches for CP Violation in Charmed Meson Decays Author Hamish Gordon
ISBN-10 9783319070674
Release 2014-06-07
Pages 158
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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.

Pixel Detectors

Pixel Detectors Author Leonardo Rossi
ISBN-10 3540283323
Release 2006-01-18
Pages 304
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Pixel detectors are a particularly important class of particle and radiation detection devices. They have an extremely broad spectrum of applications, ranging from high-energy physics to the photo cameras of everyday life. This book is a general purpose introduction into the fundamental principles of pixel detector technology and semiconductor-based hybrid pixel devices. Although these devices were developed for high-energy ionizing particles and radiation beyond visible light, they are finding new applications in many other areas. This book will therefore benefit all scientists and engineers working in any laboratory involved in developing or using particle detection.

Modern Particle Physics

Modern Particle Physics Author Mark Thomson
ISBN-10 9781107292543
Release 2013-09-05
Pages 570
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Unique in its coverage of all aspects of modern particle physics, this textbook provides a clear connection between the theory and recent experimental results, including the discovery of the Higgs boson at CERN. It provides a comprehensive and self-contained description of the Standard Model of particle physics suitable for upper-level undergraduate students and graduate students studying experimental particle physics. Physical theory is introduced in a straightforward manner with full mathematical derivations throughout. Fully-worked examples enable students to link the mathematical theory to results from modern particle physics experiments. End-of-chapter exercises, graded by difficulty, provide students with a deeper understanding of the subject. Online resources available at feature password-protected fully-worked solutions to problems for instructors, numerical solutions and hints to the problems for students and PowerPoint slides and JPEGs of figures from the book.

New Trends in Quantum Coherence and Nonlinear Optics

New Trends in Quantum Coherence and Nonlinear Optics Author Rafael Drampyan
ISBN-10 1607410257
Release 2009
Pages 273
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The aim of this book is to present new results in rapidly developing fields of non-linear optics such as atomic coherence, magneto-optics of atomic media, Doppler-free spectroscopy, time-domain spectroscopy of dense atomic vapours, frequency comb spectroscopy and atom-surface interactions. The discovery of such coherent effects as coherent population trapping (CPT), electromagnetically induced transparency (EIT) and electromagnetically induced absorption (EIA) opened a new avenue for development in many fields of non-linear optics. Investigations during the last decade have shown many related new results and approaches in non-linear optics. These include non-linear magneto-optical processes (NMOP) in the context of high precision magnetometry, quantum information storage and processing, magnetic resonance imaging and magnetic particle detection; the use of ultra-thin (nanometric length) atomic vapour cells in magneto-optical experiments, which show new peculiarities of both coherent effects and NMOP; the use of frequency and amplitude modulated laser beams for NMOP studies in atomic vapours with the aim of extending the range of ultra-precise magnetometers to stronger, particularly geomagnetic fields; application of the counter-propagating beam technique to reveal the Doppler free non-linear Faraday rotation signals, as a spectroscopic tool and for applications; enhanced nonlinearly due to atomic coherence in multi-state systems; experimental study of EIT in solids; the use of the phase stabilised frequency domain combs of femtosecond laser pulses for velocity selective optical pumping of atomic hyperfine levels, as a direct frequency comb spectroscopy; time-domain non-linear spectroscopy of dense atomic vapours; atom-surface interactions and laser induced adsorption and description of alkali atoms on the surface of solid materials for nanotechnology applications.

Black Objects in Supergravity

Black Objects in Supergravity Author Stefano Bellucci
ISBN-10 9783319002156
Release 2013-07-20
Pages 358
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This is the sixth volume in a series of books on the general topics of supersymmetry, supergravity, black holes and the attractor mechanism. The present volume is based upon lectures held in May 2011 at the INFN-Laboratori Nazionali di Frascati School on Black Objects in Supergravity (BOSS2011), directed by Stefano Bellucci, with the participation of prestigious lecturers, including G. Lopes Cardoso, W. Chemissany, T. Ortin, J. Perz, O. Vaughan, D. Turton, L. Lusanna and S. Ferrara. All lectures were at a pedagogical, introductory level, a feature which is reflected in the specific "flavor" of this volume, which also benefited greatly from extensive discussions and related reworking of the various contributions.

Nuclear Energy

Nuclear Energy Author Raymond Murray
ISBN-10 9780124166363
Release 2014-01-28
Pages 576
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Nuclear Energy is one of the most popular texts ever published on basic nuclear physics, systems, and applications of nuclear energy. This newest edition continues the tradition of offering a holistic treatment of everything the undergraduate engineering student needs to know in a clear and accessible way. The book presents a comprehensive overview of radioactivity, radiation protection, nuclear reactors, waste disposal, and nuclear medicine. The seventh edition is restructured into three parts: Basic Concepts, Nuclear Power (including new chapters on nuclear power plants and introduction to reactor theory), and Radiation and Its Uses. Part Two in particular has been updated with current developments, including a new section on Reactor Safety and Security (with a discussion of the Fukushima Diiachi accident); updated information on naval and space propulsion; and revised and updated information on radioactive waste storage, transportation, and disposal. Part Three features new content on biological effects of radiation, radiation standards, and radiation detection. Coverage of energy economics integrated into appropriate chapters More worked examples and end of chapter exercises Updated final chapter on nuclear explosions for current geopolitical developments

Replacement Child

Replacement Child Author Judy Mandel
ISBN-10 9781580054768
Release 2013-03-05
Pages 320
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The author recounts her discovery that she was conceived to replace a sister who died in a tragic accident and the effect that this knowledge had on her relationship to her parents and surviving sister.

Physics at the Terascale

Physics at the Terascale Author Ian Brock
ISBN-10 9783527634972
Release 2011-05-04
Pages 514
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Written by authors working at the forefront of research, this accessible treatment presents the current status of the field of collider-based particle physics at the highest energies available, as well as recent results and experimental techniques. It is clearly divided into three sections; The first covers the physics -- discussing the various aspects of the Standard Model as well as its extensions, explaining important experimental results and highlighting the expectations from the Large Hadron Collider (LHC). The second is dedicated to the involved technologies and detector concepts, and the third covers the important - but often neglected - topics of the organisation and financing of high-energy physics research. A useful resource for students and researchers from high-energy physics.

Gender and Language in Sub Saharan Africa

Gender and Language in Sub Saharan Africa Author Lilian Lem Atanga
ISBN-10 9789027272300
Release 2013-03-27
Pages 331
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Gender and Language in Sub-Saharan Africa: Tradition, Struggle and Change is the first book to bring together the topics of language and gender, African languages, and gender in African contexts, and it does so in a descriptive, explanatory and critical way. Including fascinating new work and new, often challenging data from Botswana, Chad, Ghana, Kenya, Nigeria and South Africa, this collection looks at some ‘traditional’ uses of language in relation to the gender of its speakers and the gendered nature of the languages themselves; it also identifies and explores social change in terms of both gender and sexuality, as reflected in and constructed by language and discourse. The contributions to this volume are accessibly written and will be of interest to students and established academics working on African sociolinguistics and discourse, as well as those whose interest is language, gender and sexuality.

The Cairo House

The Cairo House Author Samia Serageldin
ISBN-10 0815606737
Release 2000
Pages 233
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"Gihan, the daughter of a politically prominent, land-owning Egyptian family, witnesses the changes sweeping her homeland. As she looks back to the glamorous Egypt of the pashas and King Faruk, she moves forward to the police state of the colonels who seized power in 1952 and the disastrous consequences of Nasser's sequestration policies." "Through well-chosen portraits and telling descriptions of the era's fashions and furnishings, Serageldin recreates a world of mores from the unique perspective of an insider/outsider. She paints unforgettable portraits: the formidable Pasha, the clan patriarch who presides over Cairo House; the matchmaking Tante Zohra; and Madame Helene, the governess. Serageldin's fictional treatment of recent Egyptian history includes key events leading to the rise of Islamic fundamentalism, such as the assassination of writer Yussef Siba'yi and the harassment of theologian Nasr Abu Zayd." "Gihan goes into exile in Europe and the United States but returns to Egypt in an attempt to reconcile her past and present. Charting fresh territory for the American reader, this semi-autobiographical novel is one of the most sensitive and accessible documents of historical change in Egyptian life."--BOOK JACKET.Title Summary field provided by Blackwell North America, Inc. All Rights Reserved

Modern Alkyne Chemistry

Modern Alkyne Chemistry Author Barry M. Trost
ISBN-10 9783527677917
Release 2014-10-08
Pages 424
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A comprehensive and up-to-date overview of alkyne chemistry, taking into account the progress made over the last two decades. The experienced editors are renowned world leaders in the field, while the list of contributors reads like a "Who's Who" of synthetic organic chemistry. The result is a valuable reference not only for organic chemists at universities and in the chemical industry, but also for biologists and material scientists involved in the modern synthesis of organic compounds and materials.

In the Eye of the Sun

In the Eye of the Sun Author Ahdaf Soueif
ISBN-10 9780307789259
Release 2011-07-20
Pages 816
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Set amidst the turmoil of contemporary Middle Eastern politics, this vivid and highly-acclaimed novel by an Egyptian journalist is an intimate look into the lives of Arab women today. Here, a woman who grows up among the Egyptian elite, marries a Westernized husband, and, while pursuing graduate study, becomes embroiled in a love affair with an uncouth Englishman.

The Naturalist in Nicaragua

The Naturalist in Nicaragua Author Thomas Belt
ISBN-10 9781596052178
Release 2005
Pages 448
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This is a pre-1923 historical reproduction that was curated for quality. Quality assurance was conducted on each of these books in an attempt to remove books with imperfections introduced by the digitization process. Though we have made best efforts - the books may have occasional errors that do not impede the reading experience. We believe this work is culturally important and have elected to bring the book back into print as part of our continuing commitment to the preservation of printed works worldwide.