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Author : Jakob Beyer
Release : 2022
Genre :
Kind : eBook
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Book Synopsis Achieving Electroweak Precision at Future Electron-positron Colliders by : Jakob Beyer
Download or read book Achieving Electroweak Precision at Future Electron-positron Colliders written by Jakob Beyer. This book was released on 2022. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Release : 1999
Genre :
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Book Synopsis Electroweak Precision Measurements and Collider Probes of the Standard Model with Large Extra Dimensions by :
Download or read book Electroweak Precision Measurements and Collider Probes of the Standard Model with Large Extra Dimensions written by . This book was released on 1999. Available in PDF, EPUB and Kindle. Book excerpt: The elementary particles of the Standard Model may live in more than 3+1 dimensions. We study the consequences of large compactified dimensions on scattering and decay observables at high-energy colliders. Our analysis includes global fits to electroweak precision data, indirect tests at high-energy electron-positron colliders (LEP2 and NLC), and direct probes of the Kaluza-Klein resonances at hadron colliders (Tevatron and LHC). The present limits depend sensitively on the Higgs sector, both the mass of the Higgs boson and how many dimensions it feels. If the Higgs boson is trapped on a 3+1 dimensional wall with the fermions, large Higgs masses (up to 500 GeV) and relatively light Kaluza-Klein mass scales (less than 4 TeV) can provide a good fit to precision data. That is, a light Higgs boson is not necessary to fit the electroweak precision data, as it is in the Standard Model. If the Higgs boson propagates in higher dimensions, precision data prefer a light Higgs boson (less than 260 GeV), and a higher compactification scale (greater than 3.8 TeV). Future colliders can probe much larger scales. For example, a 1.5 TeV electron-positron linear collider can indirectly discover Kaluza-Klein excitations up to 31 TeV if 500 fb−1 integrated luminosity is obtained.
Author : Thorsten Ohl
Release : 1999
Genre :
Kind : eBook
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Book Synopsis Electroweak Gauge Bosons at Future Electron Positron Colliders by : Thorsten Ohl
Download or read book Electroweak Gauge Bosons at Future Electron Positron Colliders written by Thorsten Ohl. This book was released on 1999. Available in PDF, EPUB and Kindle. Book excerpt:
Author : M. G. Green
Release : 1998
Genre : Art
Kind : eBook
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Book Synopsis Electron-Positron Physics at the Z by : M. G. Green
Download or read book Electron-Positron Physics at the Z written by M. G. Green. This book was released on 1998. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive summary of studies of the Z boson in electron positron interactions. The results that have been obtained have achieved unprecedented accuracy and have firmly established the Electroweak Standard Model as the cornerstone of our current understanding of modern particle physics. The book introduces the background to the Standard Model and the role of the Z boson and describes briefly the accelerators and experiments involved in these results. The five main chapters deal with the detailed measurements of the electroweak parameters of the Z, the study of QCD, heavy quark physics, tau lepton physics and the search for new particles. Each chapter ends with a summary and outlook to prospects of future accelerators. Most of the results are from the first six years running at the first phase of electron positron collider, LEP, at energies corresponding to the Z mass, but results from the SLAC Linear Collider and some new results at higher energies are also included.
Author : National Academies of Sciences, Engineering, and Medicine
Release : 2018-10-13
Genre : Science
Kind : eBook
Book Rating : 561/5 ( reviews)
Book Synopsis An Assessment of U.S.-Based Electron-Ion Collider Science by : National Academies of Sciences, Engineering, and Medicine
Download or read book An Assessment of U.S.-Based Electron-Ion Collider Science written by National Academies of Sciences, Engineering, and Medicine. This book was released on 2018-10-13. Available in PDF, EPUB and Kindle. Book excerpt: Understanding of protons and neutrons, or "nucleons"â€"the building blocks of atomic nucleiâ€"has advanced dramatically, both theoretically and experimentally, in the past half century. A central goal of modern nuclear physics is to understand the structure of the proton and neutron directly from the dynamics of their quarks and gluons governed by the theory of their interactions, quantum chromodynamics (QCD), and how nuclear interactions between protons and neutrons emerge from these dynamics. With deeper understanding of the quark-gluon structure of matter, scientists are poised to reach a deeper picture of these building blocks, and atomic nuclei themselves, as collective many-body systems with new emergent behavior. The development of a U.S. domestic electron-ion collider (EIC) facility has the potential to answer questions that are central to completing an understanding of atoms and integral to the agenda of nuclear physics today. This study assesses the merits and significance of the science that could be addressed by an EIC, and its importance to nuclear physics in particular and to the physical sciences in general. It evaluates the significance of the science that would be enabled by the construction of an EIC, its benefits to U.S. leadership in nuclear physics, and the benefits to other fields of science of a U.S.-based EIC.
