Köln 2004 – wissenschaftliches Programm

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HK: Physik der Hadronen und Kerne

HK 23: Nuclear Structure/Spectroscopy IV

HK 23.6: Vortrag

Mittwoch, 10. März 2004, 12:15–12:30, A

Final-state effects in the Coulomb breakup of exotic nuclei — •Stefan Typel — GSI, Darmstadt

Properties of exotic nuclei have been studied extensively in recent years by electromagnetic excitation with the help of the Coulomb breakup method. These unstable nuclei are weakly bound with few, if any, excited bound states and electromagnetic transitions to the continuum are observed with large strength at low energies. Experiments are usually analyzed in first order theories with simple structure models. However, the importance of final-state effects from the interaction between the fragments and between target and fragments have to be assessed in order to obtain reliable information. Examples of these effects in both reaction theory and structure models are discussed and their relevance is estimated.