Electromagnetic Form Factors of Hadrons in the Space- and Time-like Regions within a Constituent Quark Model on the Light Front

Details Electromagnetic Form Factors of Hadrons in the Space- and Time-like Regions within a Constituent Quark Model on the Light Front Electromagnetic Form Factors of Hadrons in the Space- and Time-like Regions within a Constituent Quark Model on the Light Front

2003-12-18

arxiv.org/abs/hep-ph/0312255v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages +5 figures + JAC2003.cls. Invited talk at the Workshop on e+e- in the 1-2 GeV range, Alghero, Italy, September 2003 (e

Scientific paper

An approach for describing the electromagnetic form factors of hadrons, in the space- and time-like regions, within a constituent quark model on the light front is shortly illustrated and calculations for the pion case are reported. Three main ingredients enter our approach: i) the dressed photon vertex where a photon decays in a quark-antiquark pair, ii) the on-shell quark-hadron vertex functions in the valence sector, and iii) the non-valence component of the hadron state.

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