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Type: Journal article
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
Author: Yabusaki, G.H.
de Melo, J.
de Paula, W.
Tsushima, K.
Frederico, T.
Citation: Few-Body Systems, 2018; 59(3):37-1-37-5
Publisher: Springer-Verlag
Issue Date: 2018
ISSN: 0177-7963
Statement of
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
RMID: 0030091586
DOI: 10.1007/s00601-018-1358-y
Appears in Collections:Chemistry and Physics publications

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