Bochum 2009 – wissenschaftliches Programm

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HK: Fachverband Hadronen und Kerne

HK 70: Hadron Structure and Spectroscopy II

HK 70.6: Vortrag

Donnerstag, 19. März 2009, 18:15–18:30, H-ZO 30

Transverse quark charge densities — •Cédric Lorcé — Johannes Gutenberg-Universität Mainz

Transverse quark charge densities have recently been studied since they provide a well founded interpretation of the particle structure and shape. We will review shortly the results obtained for spin-1/2 (e.g. nucleon), spin-1 (e.g. deuteron) and spin-3/2 (e.g. Delta) systems. An educated guess allows one to generalize to any spin and leads to definite values for the ``natural'' electromagnetic moments, i.e. the ones associated to a structureless particle in leading order of the electromagnetic coupling and for real photons.