Results 241 to 250 of about 27,828 (268)

Pseudoscalar meson-meson scattering

Nuclear Physics A, 1986
Abstract It is shown that an unmodified constituent model is not able to give agreement both with scattering lengths, either from PCAC or experiment, and with the experimental value of fπ. Therefore we propose a modified model. Assuming that only a fraction cM of a meson is well represented by the constituent model leads to a model which describes ...
R.R. Schröder, H.G. Dosch
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Nonlinear Pseudoscalar Meson Theory

Physical Review, 1952
An attempt is made to explain nuclear saturation by means of a nonlinear pseudoscalar meson field. The same nonlinearity as that introduced by Schiff for the scalar case is employed; the treatment follows similar lines, using classical field theory. The total source strength is calculated for an isolated nucleon at rest, and an expression for the two ...
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Duality and the pseudoscalar mesons

Il Nuovo Cimento A, 1976
The Lovelace-Veneziano model for the pseudoscalar-meson process PP → PP is considered with particular attention to the problematical requirement of ideal mixing for the pseudoscalar nonet. A solution to the problem which retains the narrow-resonance approximation for this process is found.
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Pseudoscalar Mesons with Applications to Meson-Nucleon Scattering and Photoproduction

Physical Review, 1952
The scattering of ${\ensuremath{\pi}}^{+}$ and ${\ensuremath{\pi}}^{\ensuremath{-}}$ mesons by protons and the production of ${\ensuremath{\pi}}^{+}$ mesons by gamma-rays incident on protons are studied with the quantized theory of pseudoscalar mesons with pseudoscalar coupling.
Drell, S. D., Henley, E. M.
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The Pseudoscalar Meson Field with Strong Coupling

Physical Review, 1942
The present paper treats the symmetrical and charged pseudoscalar theories of the meson field, using the strong coupling approximation; it restricts itself to the case of a single source. The energy levels of the excited states of the heavy particle and the scattering cross section for free mesons are computed by wave mechanical methods.
Pauli, W., Dancoff, S. M.
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Electromagnetic charge radii of pseudoscalar mesons

Physical Review D, 1989
The charge radii of the pseudoscalar mesons ..pi../sup +/, /ital K//sup +/, and /ital K//sup 0/ are analyzed in an extended vector-dominance framework and the results are compared with those which follow the nonrelativistic quark model and constituent-quark triangle loop approach. Further, estimates of the root-mean-square relative coordinate parameter
, Bagchi, , Lahiri, , Niyogi
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Meson-Meson Scattering Term in Pseudoscalar-Pseudoscalar Meson Theory

Physical Review, 1959
Sugawara, Masao., Kanazawa, Akira
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On the Relativistic Pseudoscalar Meson Theory of the Deuteron

Physical Review, 1951
The existence of stationary states of the neutron-proton system is discussed on the basis of a two-particle Dirac equation, including a retarded pseudoscalar interaction. This interaction (in which the possibility of creation of nucleons pairs is disregarded) is treated according to two different models: in the first one, the negative energy states of ...
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