Field Theoretic Model of Low Energy Pion-nucleon Elastic Scattering PDF Download
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Author: Robert John McLeod
Publisher:
ISBN:
Category : Antinucleons
Languages : en
Pages : 192
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Book Description
Author: Robert John McLeod
Publisher:
ISBN:
Category : Antinucleons
Languages : en
Pages : 192
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
A once-subtracted form of the Low equation for the pion-nucleon scattering amplitude is derived, with PCAC used to define the amplitude when one pion is off the mass shell. The static approximation is not made and both the seagull terms and the antinucleon contribution (z-graphs) are retained. The theory is applied to calculate the S-wave amplitudes in the elastic scattering region. Good agreement is found with the phase shift fits to the data when we use mod(g/sub .pi./(4M2)) = 11.69 and 25.5 MeV for the .pi.N sigma-commutator. The implications of this work for the analysis of low-energy elastic scattering of pions from nuclei are discussed. In particular, it is pointed out how this work establishes the presence of a Laplacian term in the pion-nucleus optical potential with a magnitude that is fixed from the value of the sigma-commutator.
Author: Brian H. Bransden
Publisher: Princeton University Press
ISBN: 1400867444
Category : Technology & Engineering
Languages : en
Pages : 548
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Book Description
Synthesizing the theoretical and experimental advances in pion-nucleon interactions over approximately the last twelve years, the authors offer here a timely account of the hadronic interactions of pions and nucleons and of the structure of nucleons. Because of the hadronic SU3 symmetry, the book also treats the structure of baryons in general, and so contains much material external to the specific field of pion-nucleon interactions. Thus the book's subject can be stated as the hadronic structure of baryons as illustrated particularly by pion-nucleon interaction. Following an introductory discussion of isotopic spin, the authors proceed to chapters that treat low energy pion scattering by nucleons and the photoproduction of pions; forward and fixed momentum transfer dispersion relations; analytic properties of scattering amplitudes; formation of nucleon resonances; symmetries and classification of particles and resonances; current algebra, sum rules, and superconvergence relations; scattering at higher energies; pion-nucleon dynamics; pion-nucleon inelastic scattering; and the form factors of the nucleon and the pion. Each chapter is followed by abundant references to the original literature. The level of the writing is suitable for students at the graduate level, and the presentation is even and self-contained. On balance, the authors have prepared a useful consolidation and review of this difficult and changing area of investigation. Originally published in 1973. The Princeton Legacy Library uses the latest print-on-demand technology to again make available previously out-of-print books from the distinguished backlist of Princeton University Press. These editions preserve the original texts of these important books while presenting them in durable paperback and hardcover editions. The goal of the Princeton Legacy Library is to vastly increase access to the rich scholarly heritage found in the thousands of books published by Princeton University Press since its founding in 1905.
Author: A. I. Machavariani
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Author: Robert J. Cence
Publisher: Princeton University Press
ISBN: 1400874882
Category : Science
Languages : en
Pages : 149
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Book Description
One of the most fundamental problems in elementary particle physics is the study of the interaction of the pion meson with nucleons. It is believed that the pion meson plays a fundamental role in the description of nuclear forces and it is important, therefore, to understand the interaction of these particles. The primary method of gaining information on this interaction is through scattering experiments, and this book is concerned primarily with studies of pion-nucleon scattering at high energies. Originally published in 1969. The Princeton Legacy Library uses the latest print-on-demand technology to again make available previously out-of-print books from the distinguished backlist of Princeton University Press. These editions preserve the original texts of these important books while presenting them in durable paperback and hardcover editions. The goal of the Princeton Legacy Library is to vastly increase access to the rich scholarly heritage found in the thousands of books published by Princeton University Press since its founding in 1905.
Author: N. N. Bogolyubov
Publisher: Springer Science & Business Media
ISBN: 1468477005
Category : Science
Languages : en
Pages : 194
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Author:
Publisher:
ISBN:
Category : Nuclear energy
Languages : en
Pages : 612
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Author: Geoffrey F. Chew
Publisher:
ISBN:
Category : Mesons
Languages : en
Pages :
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Author: Henry Nielsen
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 758
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Book Description
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
