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https://doi.org/10.1103/physre...
Article . 1958 . Peer-reviewed
License: APS Licenses for Journal Article Re-use
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image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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Article . 1958
Data sources: zbMATH Open
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Electromagnetic Effects in Meson-Nucleon Scattering

Electromagnetic effects in meson-nucleon scattering
Authors: Sorensen, R. A.;

Electromagnetic Effects in Meson-Nucleon Scattering

Abstract

The dominant part of pion-nucleon scattering is charge independent. In view of the apparent discrepancies in the dispersion relations for meson scattering. it is desirable to investigate the effects on meson-nucleon scattering of including the electromagnetic interaction in an otherwise charge- independent theory. The calculation, which is performed in the static-nucleon, onemeson approximation of Chew and Low, is divided into two parts. In the first part, the effects of the chargedneutral meson mass difference, which is assumed to be of electromagnetic origin, are calculated. In the second pant, other electromagnetic effects involving one virtual photon are calculated in the Coulomb approxlmation.'' in which the effects of trsnsverse photons and of graphs in which the incoming and outgoing meson lines are crossed, are ignored. A formula is given by means of which the three meson-photon differential cross sections may be analyzed in terms of the six charge-independent s- and p-wave phase shifts which would occur in the absence of the electromagaetic interaction. Aside from simple Coulomb and kinematic effects, the most important effect in pi /sup +/-proton scattering can be expressed as an alteration of the J = 3/2 phase shift for that state such as to sharpen the (3,3) resonancemore » and move it to a higher energy. The meson mass difference effect and the Coulomb effect contribute about equally to produce a phase shift alteration of about 2 deg at its langest. (auth)« less

Keywords

quantum theory

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
8
Average
Top 10%
Average
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