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|Title:||In-medium K⁺ electromagnetic form factor with a symmetric vertex in a light front approach|
|Other Titles:||In-medium K(+) electromagnetic form factor with a symmetric vertex in a light front approach|
de Melo, J.
de Paula, W.
|Citation:||Few-Body Systems, 2018; 59(3):37-1-37-5|
|George H. S. Yabusaki, J. P. B. C. de Melo, Wayne de Paula, K. Tsushima, T. Frederico|
|Abstract:||Using the light-front K⁺-Meson wave function based on a Bethe-Salpeter amplitude model for the Quark-Antiquark bound state, we study the Electromagnetic Form Factor (EMFF) of the K⁺-Meson in nuclear medium within the framework of light-front field theory. The K⁺-Meson model we adopt is well constrained by previous and recent studies to explain its properties in vacuum. The in-medium K⁺-Meson EMFF is evaluated for the plus-component of the electromagnetic current, J⁺, in the Breit frame. In order to consistently incorporate the constituent up and antistrange Quarks of the K⁺-Meson immersed in symmetric nuclear matter, we use the Quark-Meson coupling model, which has been widely applied to various hadronic and nuclear phenomena in a nuclear medium with success. We predict the in-medium modification of the K⁺-Meson EMFF in symmetric nuclear matter. It is found that, after a fine tuning of the regulator mass, i.e. mR = 0.600GeV, the model is suitable to fit the available experimental data in vacuum within the theoretical uncertainties, and based on this we predict the in-medium modification of the K⁺-Meson EMFF.|
|Description:||Published online: 16 March 2018|
|Rights:||© Springer-Verlag GmbH Austria, part of Springer Nature 2018|
|Appears in Collections:||Chemistry and Physics publications|
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