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Generalized Polarizabilities in a Constituent Quark Model | | B. Pasquini
; S. Scherer
; D. Drechsel
; | | Date: |
30 May 2001 | | Subject: | nucl-th hep-ph nucl-ex | | Affiliation: | ECT*, Trento, Italy), S. Scherer (Institut f. Kernphysik, Mainz, Germany), D. Drechsel (Institut f. Kernphysik, Mainz, Germany | | Abstract: | We discuss low-energy virtual Compton scattering off the proton within the framework of a nonrelativistic constituent quark model. A simple interpretation of the spin-averaged generalized polarizabilities is given in terms of the induced electric polarization (and magnetization). Explicit predictions for the generalized polarizabilities obtained from a multipole expansion are presented for the Isgur-Karl model and are compared with results of various models. | | Source: | arXiv, nucl-th/0105074 | | Services: | Forum | Review | PDF | Favorites | |
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