Описание: This thesis reports on the search for dark matter in data taken with the ATLAS detector at CERN’s Large Hadron Collider (LHC). The identification of dark matter and the determination of its properties are among the highest priorities in elementary particle physics and cosmology. The most likely candidate, a weakly interacting massive particle, could be produced in the high energy proton-proton collisions at the LHC.The analysis presented here is unique in looking for dark matter produced together with a Higgs boson that decays into its dominant decay mode, a pair of b quarks. If dark matter were seen in this mode, we would learn directly about the production mechanism because of the presence of the Higgs boson. This thesis develops the search technique and presents the most stringent production limit to date.
Описание: This thesis describes the stand-alone discovery and measurement of the Higgs boson in its decays to two W bosons using the Run-I ATLAS dataset. these include new methods for evaluating uncertainties on the jet binning used in the analysis and for estimating the background due to associated production of a W boson and an off-shell photon.
Автор: Achim Stahl Название: Physics with Tau Leptons ISBN: 3662156539 ISBN-13(EAN): 9783662156537 Издательство: Springer Рейтинг: Цена: 13060.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: The book reviews the current status of tau physics. It addresses the properties of the tau lepton and summarizes results achieved with tau leptons in the fields of precision tests of the Standard Model, investigations of the strong interaction and many searches for new physics beyond the scope of the Standard Model.
Описание: This thesis describes the stand-alone discovery and measurement of the Higgs boson in its decays to two W bosons using the Run-I ATLAS dataset. these include new methods for evaluating uncertainties on the jet binning used in the analysis and for estimating the background due to associated production of a W boson and an off-shell photon.
Описание: In this thesis the author has conducted a search for the Higgs boson in the H ГЇВїВЅ ZZ ГЇВїВЅ l +l - qq Decay Channel at CMS with 4.6 fbГЇВїВЅ 1 of data collected by the Compact Muon Experiment. The book goes on to present statistical tools for analysis, with their results.
Описание: In this thesis the author has conducted a search for the Higgs boson in the H ГЇВїВЅ ZZ ГЇВїВЅ l +l - qq Decay Channel at CMS with 4.6 fbГЇВїВЅ 1 of data collected by the Compact Muon Experiment. The book goes on to present statistical tools for analysis, with their results.
Автор: Michail Bachtis Название: Heavy Neutral Particle Decays to Tau Pairs ISBN: 3319032569 ISBN-13(EAN): 9783319032566 Издательство: Springer Рейтинг: Цена: 18167.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: This book 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. It guides the reader through how complicated physics analyses are performed at the LHC.
Автор: Michail Bachtis Название: Heavy Neutral Particle Decays to Tau Pairs ISBN: 3319380788 ISBN-13(EAN): 9783319380780 Издательство: Springer Рейтинг: Цена: 13059.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: This book 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. It guides the reader through how complicated physics analyses are performed at the LHC.
Автор: Andranik Tangian; Josef Gruber Название: Constructing Scalar-Valued Objective Functions ISBN: 3540630619 ISBN-13(EAN): 9783540630616 Издательство: Springer Рейтинг: Цена: 15372.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: A discussion of constructing scalar-valued objective functions. Topics covered include axiomatic foundations, the practical construction of objective functions, and welfare functions and consumer demand.
Описание: Since The Discovery Of Neutrino Oscillations Neutrino Physics Has Become An Interesting Field Of Research In Physics. They Imply That Neutrino Must Have A Small Mass And That The Neutrinos, Coupled To The Charged Leptons, Are Mixtures Of The Mass Eigenstates, Analogous To The Flavor Mixing Of The Quarks. The Mixing Angles For The Quarks Are Small, But For The Leptons Two Of The Mixing Angles Are Large. The Masses Of The Three Neutrinos Must Be Very Small, Less Than 1 Ev, But From The Oscillation Experiments We Only Know The Mass Differences — The Absolute Masses Are Still Unknown. Also We Do Not Know, If The Masses Of The Neutrinos Are Dirac Masses, As The Masses Of The Charged Leptons And Of The Quarks, Or Whether They Are Majorana Masses.In This Volume, An Overview Of The Present State Of Research In Neutrino Physics Is Given By Well-Known Experimentalists And Theorists. The Contents — Originated From Talks And Discussions At A Recent Conference Addressing Some Of The Most Pressing Open Questions In Neutrino Physics — Range From The Oscillation Experiments To Cp-Violation For Leptons, To Texture Zero Mass Matrices And To The Role Of Neutrinos In Astrophysics And Cosmology.
Автор: Alfredo Mac?as; Jorge L. Cervantes-Cota; Claus L?m Название: Exact Solutions and Scalar Fields in Gravity ISBN: 1475782004 ISBN-13(EAN): 9781475782004 Издательство: Springer Рейтинг: Цена: 13974.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: Divided into four parts, this book covers recent developments in topics pertaining to gravity theories, including discussions on the presence of scalar fields. Part One is devoted to exact solutions in general relativity, and is mainly concerned with the results of rotating null dust beams and fluids. Also included is a panoramic vision of new research directions in this area, which would require revising certain theorems and their possible extensions within gravity theories, new aspects concerning the Ernst potentials, double Kerr spacetimes, and rotating configurations. In particular, there is a detailed discussion of totally symmetric and totally geodesic spaces, in which a method for generating (2+1)-dimensional solutions from (3+1)-dimensional solutions is given. Part Two deals with alternative theories of gravity, all of which include scalar fields and gauge fields. Here, quantum and cosmological effects, which arise from both gravity theories in four and higher dimensions and from metric-affine theories, are investigated. Part Three is devoted to cosmological and inflationary scenarios. Local effects, such as the influence of scalar fields in protogalactic interactions, numerical studies of the collapse of molecular cores, as well as the inverse inflationary problem and the blue eigenvalue spectrum of it, are considered. Moreover, the role of scalar fields as dark matter and quantum cosmology in the Bergman-Wagoner and Gowdy theories, together with the relation of the conformal symmetry and deflationary gas universe, are likewise presented. The last part of the book includes some mixed topics which are still in the experimental stage. Among them are the foundation of the Maxwell theory, a discussion on electromagnetic Thirring problems, a note on the staticity of black holes with non-minimally coupled scalar fields, and a study of the Lorentz force free charged fluids in general relativity. Thus, this book is the most up-to-date, comprehensive collection of papers on the subject of exact solutions and scalar fields in gravity and is a valuable tool for researchers in the area.
Автор: W.T. Grandy Название: Relativistic Quantum Mechanics of Leptons and Fields ISBN: 0792310497 ISBN-13(EAN): 9780792310495 Издательство: Springer Рейтинг: Цена: 26122.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
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