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| Author | : R. G. Roberts |
| Publisher | : Cambridge University Press |
| Total Pages | : 200 |
| Release | : 1993-11-26 |
| Genre | : Science |
| ISBN | : 9780521449441 |
Download The Structure of the Proton Book in PDF, ePub and Kindle
This graduate/research level book describes our present knowledge of protons and neutrons, the particles which make up the nucleus of the atom. Experiments using high energy electrons, muons and neutrinos reveal the proton as being made up of point-like constituents, quarks. The strong forces which bind the quarks together are described in terms of the modern theory of quantum chromodynamics (QCD), the â€~glue' binding the quarks being mediated by new constituents called gluons. Larger and new particle accelerators probe the interactions between quarks and gluons at shorter distances. The understanding of this detailed substructure and of the fundamental forces responsible is one of the keys to unravelling the physics of the structure of matter. This book will be of interest to all theoretical and experimental particle physicists.
| Author | : Steven D. Bass |
| Publisher | : World Scientific |
| Total Pages | : 212 |
| Release | : 2008 |
| Genre | : Science |
| ISBN | : 9812709460 |
Download The Spin Structure of the Proton Book in PDF, ePub and Kindle
One of the main challenges in nuclear and particle physics in the last 20 years has been to understand how the proton's spin is built up from its quark and gluon constituents. Quark models generally predict that about 60% of the proton's spin should be carried by the spin of the quarks inside, whereas high energy scattering experiments have shown that the quark spin contribution is small - only about 30%. This result has been the underlying motivation for about 1000 theoretical papers and a global program of dedicated spin experiments at BNL, CERN, DESY and Jefferson Laboratory to map the individual quark and gluon angular momentum contributions to the proton's spin, which are now yielding exciting results. This book gives an overview of the present status of the field: what is new in the data and what can be expected in the next few years. The emphasis is on the main physical ideas and the interpretation of spin data. The interface between QCD spin physics and the famous axial U(1) problem of QCD (eta and etaprime meson physics) is also highlighted. Book jacket.
| Author | : William L. Stubbs |
| Publisher | : CreateSpace |
| Total Pages | : 106 |
| Release | : 2015-03-12 |
| Genre | : |
| ISBN | : 9781508664062 |
Download Proton Structure Book in PDF, ePub and Kindle
Beta decay implies that electrons and positrons reside within the nucleus of the atom. However, despite countless observations of electrons and positrons leaving the nucleus, the discovery of the neutron put an end to that notion. Proton Structure examines data collected on the proton over 50 years, to determine what a proton looks like. The book discusses the techniques used to interpret the data, in a manner many can understand. It walks, step-by-step, through the data collected, explaining what each aspect of the data reveals, to make a strong case for protons (and neutrons) made of electrons and positrons. Finally, it briefly looks at some implications of having nucleons made of these particles. Proton Structure takes another look at the structural data gathered on the proton, and offers a model of the proton that fits nicely into the world we see around us.
| Author | : Gong Ping Yeh |
| Publisher | : |
| Total Pages | : 160 |
| Release | : 1975 |
| Genre | : Cross sections (Nuclear physics) |
| ISBN | : |
Download Moments of the Proton Structure Functions Book in PDF, ePub and Kindle
| Author | : Philippe Knauth |
| Publisher | : John Wiley & Sons |
| Total Pages | : 426 |
| Release | : 2012-01-18 |
| Genre | : Technology & Engineering |
| ISBN | : 1119963001 |
Download Solid State Proton Conductors Book in PDF, ePub and Kindle
Proton conduction can be found in many different solid materials, from organic polymers at room temperature to inorganic oxides at high temperature. Solid state proton conductors are of central interest for many technological innovations, including hydrogen and humidity sensors, membranes for water electrolyzers and, most importantly, for high-efficiency electrochemical energy conversion in fuel cells. Focusing on fundamentals and physico-chemical properties of solid state proton conductors, topics covered include: Morphology and Structure of Solid Acids Diffusion in Solid Proton Conductors by Nuclear Magnetic Resonance Spectroscopy Structure and Diffusivity by Quasielastic Neutron Scattering Broadband Dielectric Spectroscopy Mechanical and Dynamic Mechanical Analysis of Proton-Conducting Polymers Ab initio Modeling of Transport and Structure Perfluorinated Sulfonic Acids Proton-Conducting Aromatic Polymers Inorganic Solid Proton Conductors Uniquely combining both organic (polymeric) and inorganic proton conductors, Solid State Proton Conductors: Properties and Applications in Fuel Cells provides a complete treatment of research on proton-conducting materials.
| Author | : National Academies of Sciences, Engineering, and Medicine |
| Publisher | : National Academies Press |
| Total Pages | : 153 |
| Release | : 2018-10-13 |
| Genre | : Science |
| ISBN | : 0309478561 |
Download An Assessment of U.S.-Based Electron-Ion Collider Science Book in PDF, ePub and Kindle
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.
| Author | : John C. Riordan |
| Publisher | : |
| Total Pages | : 92 |
| Release | : 1967 |
| Genre | : |
| ISBN | : |
Download Topics in Proton Structure Book in PDF, ePub and Kindle
| Author | : National Research Council |
| Publisher | : National Academies Press |
| Total Pages | : 222 |
| Release | : 1999-03-31 |
| Genre | : Science |
| ISBN | : 0309173663 |
Download Nuclear Physics Book in PDF, ePub and Kindle
Dramatic progress has been made in all branches of physics since the National Research Council's 1986 decadal survey of the field. The Physics in a New Era series explores these advances and looks ahead to future goals. The series includes assessments of the major subfields and reports on several smaller subfields, and preparation has begun on an overview volume on the unity of physics, its relationships to other fields, and its contributions to national needs. Nuclear Physics is the latest volume of the series. The book describes current activity in understanding nuclear structure and symmetries, the behavior of matter at extreme densities, the role of nuclear physics in astrophysics and cosmology, and the instrumentation and facilities used by the field. It makes recommendations on the resources needed for experimental and theoretical advances in the coming decade.
| Author | : Bernard Frois |
| Publisher | : World Scientific |
| Total Pages | : 702 |
| Release | : 1998-02-24 |
| Genre | : |
| ISBN | : 9814545406 |
Download The Spin Structure Of The Nucleon Book in PDF, ePub and Kindle
From its early beginnings at SLAC in the 1970's, the study of nucleon spin structure using polarized lepton beams and polarized nucleon targets has become increasingly important in nuclear and particle physics, with current experiments at several of the world's high energy and nuclear physics laboratories (CERN, DESY, SLAC and Jefferson Lab) and with enormous related theoretical studies. The understanding of the fascinating but complicated problem of nucleon spin structure has progressed substantially, but fundamental questions remain and it can be confidently predicted that future activity will be high.The Erice Course on The Spin Structure of the Nucleon covered both the experimental and theoretical aspects of the subject, and this volume includes the lectures given at the School. In many cases the lecture material has been extended and updated by the authors. In addition, several recent publications on experimental work have been added in an appendix.
| Author | : Alessandro Tricoli |
| Publisher | : |
| Total Pages | : 434 |
| Release | : 2006 |
| Genre | : Detectors |
| ISBN | : |
Download Constraining the Proton Structure at ATLAS Book in PDF, ePub and Kindle
