Author : Jan Blomgren
Publisher :
Page : 90 pages
File Size : 15,9 MB
Release : 2000
Category : Coupling constants
ISBN :
[PDF] Critical Issues In The Determination Of The Pion Nucleon Coupling Constant eBook
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Determination of the Pion-nucleon Coupling Constant from Photoproduction Angular Distribution
Author : John G. Taylor
Publisher :
Page : 22 pages
File Size : 47,96 MB
Release : 1958
Category : Angular distribution (Nuclear physics)
ISBN :
Determination of the Pion-nucleon Coupling Constant
Author : V. K. Samaranayake
Publisher :
Page : pages
File Size : 46,9 MB
Release : 1977
Category :
ISBN :
Determination of the Pion-nucleon Coupling Constant and S-wave Scattering Lengths
Author : V. K. Samaranayake
Publisher :
Page : 41 pages
File Size : 15,89 MB
Release : 1972
Category : Pion-nucleon interactions
ISBN :
Pion nucleon coupling constant from the analysis of depolarization data on nucleon-nucleon scattering ...
Author : Renzo Cirelli
Publisher :
Page : 11 pages
File Size : 21,75 MB
Release : 1963
Category :
ISBN :
Determination of the Pion-Nucleon Coupling Constant from Photoproduction Angular Distribution
Author :
Publisher :
Page : pages
File Size : 47,27 MB
Release : 1958
Category :
ISBN :
It is conjectured that the amplitude for photoproduction of pi mesons from nucleons possesses certain reasonable analyticity properties as a function of the invariant momentum transfer. If the conjecture is correct it is possible to continue an angular distribution to a pole lying just outside the physical region. The residue at the pole can be evaluated and provides a determination of the pion-nucleon coupling constant. A preliminary determination gives f/sup 2/ = 0.0716 plus or minus 0.0302. (auth).
The Pion-Nucleon System
Author : Brian H. Bransden
Publisher : Princeton University Press
Page : 548 pages
File Size : 11,96 MB
Release : 2015-03-08
Category : Technology & Engineering
ISBN : 1400867444
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.
Working Group Summary
Author : M. E. Sainio
Publisher :
Page : pages
File Size : 34,44 MB
Release : 1999
Category :
ISBN :
Measurement of the Weak Pion Nucleon Coupling Constant, H1(pi), from Backward Pion Photo-production Near Threshold on the Proton
Author : R. Suleiman
Publisher :
Page : pages
File Size : 21,4 MB
Release : 2003
Category :
ISBN :
The longest range weak pion-nucleon coupling constant, h1/n is important for nuclear parity violation. However, after considerable effort in the past two decades, its value is still poorly known largely due to many-body theoretical uncertainties. Prospects of a new measurement of h1/n in a theoretically clean process are presented. A measurement of the parity-violating asymmetry in pion photoproduction off the proton is related to h1/n in a low-energy theorem for the photon polarization asymmetry at threshold in the chiral limit. At present two completed experiments - photon circular polarization for 18F and the anapole moment of 133Cs - have been interpreted to give very different values of h1/n. This experiment will be the first attempt to measure h1/n in the single nucleon system. A reliable measurement of h1/n provides a crucial test of the meson-exchange picture of the weak NN interaction. Such a test of the meson-exchange picture will shed light on low energy QCD.
The Charge Dependence of the Pion-nucleon Coupling Constants
Author : H. Högaasen
Publisher :
Page : 4 pages
File Size : 44,99 MB
Release : 1988
Category :
ISBN : 9789514548321