Low Energy Pion Nucleon Scattering In A Relativistic Meson Exchange Model PDF Download

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A Relativistic Meson-exchange Model of Pion-nucleon Scattering

A Relativistic Meson-exchange Model of Pion-nucleon Scattering
Author:
Publisher:
Total Pages: 133
Release: 1995
Genre:
ISBN:

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Pion-nucleon scattering is investigated using the Kadshevsky three-dimensional reduction of the Bethe-Salpeter equation. The resulting potential includes the direct and crossed N and [Delta] terms, and the t-channel [sigma]- and [rho]-exchange terms. The nucleon-pole condition is imposed to define the renormalization of the nucleon mass and the [pi]NN coupling constant. A mixture of the scalar and vector [sigma][pi][pi] couplings is introduced to simulate the broad width of the s-wave correlated two-pion exchange mechanism. Good descriptions of the [pi]N phase shifts up to 400 MeV have been obtained in all S- and P-waves. The off-shell behavior for our model differs significantly from that obtained using different reductions. A paper describing our results was published.


Mesons And Nuclei At Intermediate Energies - Proceedings Of The International Conference

Mesons And Nuclei At Intermediate Energies - Proceedings Of The International Conference
Author: Mikhail Kh Khankhasayev
Publisher: World Scientific
Total Pages: 882
Release: 1995-02-17
Genre:
ISBN: 9814550795

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One of the main goals of intermediate energy nuclear physics, which serves an important role as a bridge between nuclear and particle physics, is to construct the theory of strong interaction phenomena in terms of conventional degrees of freedom (nucleons, deltas and mesons) as well as of quark degrees of freedom.The main topics to be discussed at this conference are the interaction of pions and other mesons with nuclei at intermediate energies and the role of mesonic degrees of freedom in nuclear reactions, including photon, hadron and heavy ion induced reactions. Both theoretical and experimental results will be included.Over the past two decades, the Meson Factories, including LAMPF, TRIUMF, and PSI, have provided us with systematic experimental information on hadron-hadron and hadron-nucleus dynamics. Major accelerators of JINR are also suitable for studying problems in Intermediate Energy Nuclear Physics. At the present time, first experiments have been performed with the proton beams at the Moscow Meson Factory of INR. One of the purposes of this conference is to introduce the intermediate-energy physics community to the possibility of utilizing the facilities of JINR and INR during the next decade.


Pion-Nucleon Scattering. (IP-11), Volume 11

Pion-Nucleon Scattering. (IP-11), Volume 11
Author: Robert J. Cence
Publisher: Princeton University Press
Total Pages: 149
Release: 2015-12-08
Genre: Science
ISBN: 1400874882

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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.