Tübingen 2003 – scientific programme

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HK: Physik der Hadronen und Kerne

HK 3: Elektromagnetische und hadronische Proben I

HK 3.7: Talk

Monday, March 17, 2003, 17:45–18:00, B

Nucleon Polarizabilities in the Perturbative Chiral Quark Model — •Jan Kuckei¹, Th. Gutsche¹, V. E. Lyubovitskij¹, A. Faessler¹, P. Shen^1,2, and Y. Dong^1,2 — ¹Institut für Theoretische Physik, Universität Tübingen, Auf der Morgenstelle 14, D-72076 Tübingen — ²Institute of High Energy Physics, The Chinese Academy of Science, 100039 Beijing, China

Electromagnetic polarizabilities are an important tool to study the inner structure of nucleons. The electric polarizability α_E and the magnetic polarizability β_M are calculated for protons and neutrons in the context of Compton scattering. The analysis is done within the framework of the Perturbative Chiral Quark Model (PCQM) and compared to recent experimental and theoretical results.