Gießen 2007 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 32: Theorie

HK 32.4: Vortrag

Mittwoch, 14. März 2007, 15:00–15:15, C

ChQSM on the light-cone — •Cedric Lorce — PTF, Liege, Belgium — TP2, Bochum, Germany

Recently, ChQSM has been formulated on the light-cone. It allows one to discriminate the quarks belonging to the nucleon from those coming from vacuum fluctuations. We used this new approach to study various properties of light baryons, including pentaquarks. We will present the model and its formulation on the light-cone in a few words. Then we will discuss some results obtained for the nucleon axial content within different approximations, an estimation of Theta width, magnetic moments for octet, decuplet and antidecuplet in the flavor SU(3) limit and transition magnetic moments among them.