Автор: Okazaki Название: Electroweak Gauginos with Highly Boosted Hadronically Decaying Bosons at the LHC ISBN: 9811965951 ISBN-13(EAN): 9789811965951 Издательство: Springer Рейтинг: Цена: 158380.00 T Наличие на складе: Есть у поставщика Поставка под заказ. Описание: Supersymmetry (SUSY) introduces superpartners of the Standard Model (SM) particles. If their masses are typically O(100 GeV) ? O(TeV), a lightest neutralino can be a candidate for the dark matter, and the problem is solved by canceling the correction of the Higgs boson mass. Further, SUSY can explain the experimental result of the muon magnetic moment (g-2). This book presents a search for electroweakinos—the superpartners of the SM electroweak bosons—such as charginos and neutralinos using data at the LHC collected by the ATLAS detector. Pair-produced electroweakinos decay into the light ones and SM bosons (W/Z/h), and with the large mass difference between the heavy and light electroweakinos, the SM bosons have high momenta. In a fully hadronic final state, quarks decayed from the bosons are collimated, and can consequently be reconstructed as a single large-radius jet. This search has three advantages. The first is a statistical benefit by large branching ratios of the SM bosons. The second is to use characteristic signatures—the mass and substructure—of jets to identify as the SM bosons. The last is a small dependency on the signal model by targeting all the SM bosons. Thanks to them, the sensitivity is significantly improved compared to the previous analyses. Exclusion limits at the 95% confidence level on the heavy electroweakino mass parameter are set as a function of the light electroweakino mass parameter. They are set on wino or higgsino production models with various assumptions, such as the branching ratio of their decaying and the type of lightest SUSY particle. These limits are the most stringent limits. Besides, this book provides the most stringent constraints on SUSY scenarios motivated by the dark matter, the muon g-2 anomaly, and the naturalness.
Автор: Paschos, E. A. (universitat Dortmund) Название: Electroweak theory ISBN: 1009402358 ISBN-13(EAN): 9781009402354 Издательство: Cambridge Academ Рейтинг: Цена: 29560.00 T Наличие на складе: Есть у поставщика Поставка под заказ. Описание: The electroweak theory unifies two basic forces of nature: the weak force and electromagnetism. This is a concise introduction to the structure of the electroweak theory and its applications. It describes the structure and properties of field theories with global and local symmetries, leading to the standard model. It describes the particles and processes predicted by the theory, and compares them with experimental results. It also covers neutral currents, the properties of W and Z bosons, the properties of quarks and mesons containing heavy quarks, neutrino oscillations, CP-asymmetries in K, D, and B meson decays, and the search for Higgs particles. Each chapter contains problems to supplement the text, stemming from the author's long teaching experience. This will be of great interest to graduate students and researchers in elementary particle physics. Originally published in 2007, this title has been reissued as an Open Access publication on Cambridge Core.
Автор: Arno Straessner Название: Electroweak Physics at LEP and LHC ISBN: 3642263003 ISBN-13(EAN): 9783642263002 Издательство: Springer Рейтинг: Цена: 104480.00 T Наличие на складе: Есть у поставщика Поставка под заказ. Описание: This up-to-date review offers a concise synthesis of the status of electroweak physics today, and an outlook to the near future, illustrated with many informative figures and tables. Results are discussed with both LEP and LHC measurements.
Автор: Graham Albert White Название: A Pedagogical Introduction to Electroweak Baryogenesis ISBN: 1681744562 ISBN-13(EAN): 9781681744568 Издательство: Mare Nostrum (Eurospan) Рейтинг: Цена: 61910.00 T Наличие на складе: Есть у поставщика Поставка под заказ. Описание: Offers an in-depth look at baryon number violation in the Standard Model, including the necessary background in finite temperature field theory, plasma dynamics and how to calculate the out of equilibrium evolution of particle number densities throughout a phase transition.
Автор: Florian Scheck Название: Electroweak and Strong Interactions ISBN: 3642269516 ISBN-13(EAN): 9783642269516 Издательство: Springer Рейтинг: Цена: 46570.00 T Наличие на складе: Есть у поставщика Поставка под заказ. Описание: Through a detailed discussion of the empirical fundamentals of unified theories of strong, electromagnetic, and weak interactions, this book emphasizes the phenomenology and the physics of fundamental interactions.
Автор: Fujiwara Название: Electroweak-Interacting Spin-1 Dark Matter and Its Phenomenology ISBN: 981991034X ISBN-13(EAN): 9789819910342 Издательство: Springer Рейтинг: Цена: 139750.00 T Наличие на складе: Есть у поставщика Поставка под заказ. Описание: This book offers construction of a renormalizable effective theory of electroweak-interacting spin-1 dark matter (DM). The effective theory realizes minimal but essential features of DM predicted in extra-dimension models, and enables to systematically treat non-perturbative corrections such as the Sommerfeld effects. Deriving an annihilation cross section including the Sommerfeld effects based on the effective theory, the author discusses the future sensitivity of observations to gamma-ray from the Galactic Center. As a result, the author explains the monochromatic gamma-ray signatures originate from two photons (??) or photon and Z boson (?Z) produced in the process of DM annihilations, and concludes a possible scenario that unstable neutral spin-1 particles (Z’) appear and results in a spectral peak in addition to the one caused by ?? and ?Z channels in gamma-ray observations. If those two spectral peaks are observed, the masses of spin-1 DM and Z’ would be reconstructed.
Автор: Leopold Mathelitsch; Willibald Plessas Название: Substructures of Matter as Revealed with Electroweak Probes ISBN: 3662139561 ISBN-13(EAN): 9783662139561 Издательство: Springer Рейтинг: Цена: 104480.00 T Наличие на складе: Есть у поставщика Поставка под заказ. Описание: This is a comprehensive overview of the information yieldedby electroweak probes about the nuclear- andsubnuclear-scale structure of matter. others cover theproperties of partons, the behaviour of the constituents ofthe hadron, muon and neutrino scattering etc.
Автор: Wolfgang Hollik; G?nter Duckeck Название: Electroweak Precision Tests at LEP ISBN: 3662156555 ISBN-13(EAN): 9783662156551 Издательство: Springer Рейтинг: Цена: 87070.00 T Наличие на складе: Есть у поставщика Поставка под заказ. Описание: The predictions for the vector boson masses, neutrino scattering cross sections, and the Z resonance observables such as the width of the Z resonance, partial widths, effective neutral current coupling constants and mixing angles at the Z peak, are presented.
Автор: Arno Straessner Название: Electroweak Physics at LEP and LHC ISBN: 3642051685 ISBN-13(EAN): 9783642051685 Издательство: Springer Рейтинг: Цена: 121890.00 T Наличие на складе: Есть у поставщика Поставка под заказ. Описание: This up-to-date review offers a concise synthesis of the status of electroweak physics today, and an outlook to the near future, illustrated with many informative figures and tables. Results are discussed with both LEP and LHC measurements.
Автор: Okazaki Название: Electroweak Gauginos with Highly Boosted Hadronically Decaying Bosons at the LHC ISBN: 9811965927 ISBN-13(EAN): 9789811965920 Издательство: Springer Рейтинг: Цена: 158380.00 T Наличие на складе: Есть у поставщика Поставка под заказ. Описание: Supersymmetry (SUSY) introduces superpartners of the Standard Model (SM) particles. If their masses are typically O(100 GeV) ? O(TeV), a lightest neutralino can be a candidate for the dark matter, and the problem is solved by canceling the correction of the Higgs boson mass. Further, SUSY can explain the experimental result of the muon magnetic moment (g-2). This book presents a search for electroweakinos—the superpartners of the SM electroweak bosons—such as charginos and neutralinos using data at the LHC collected by the ATLAS detector. Pair-produced electroweakinos decay into the light ones and SM bosons (W/Z/h), and with the large mass difference between the heavy and light electroweakinos, the SM bosons have high momenta. In a fully hadronic final state, quarks decayed from the bosons are collimated, and can consequently be reconstructed as a single large-radius jet. This search has three advantages. The first is a statistical benefit by large branching ratios of the SM bosons. The second is to use characteristic signatures—the mass and substructure—of jets to identify as the SM bosons. The last is a small dependency on the signal model by targeting all the SM bosons. Thanks to them, the sensitivity is significantly improved compared to the previous analyses. Exclusion limits at the 95% confidence level on the heavy electroweakino mass parameter are set as a function of the light electroweakino mass parameter. They are set on wino or higgsino production models with various assumptions, such as the branching ratio of their decaying and the type of lightest SUSY particle. These limits are the most stringent limits. Besides, this book provides the most stringent constraints on SUSY scenarios motivated by the dark matter, the muon g-2 anomaly, and the naturalness.
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