Köln 2004 – wissenschaftliches Programm
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HK: Physik der Hadronen und Kerne
HK 10: Poster Session: Nuclear Structure/Spectroscopy
HK 10.17: Poster
Dienstag, 9. März 2004, 13:30–15:30, Foyer
208Pb(p,p’) via IAR and the shell model — •Andreas Heusler1, Peter von Brentano2, Gerhard Graw3, Ralf Hertenbeger3, and Hans-Friedrich Wirth3 — 1MPI für Kernphysik, Heidelberg, Germany — 2Institut f. Kernphysik, Uni Köln, Germany — 3LMU München, Germany supported by MLL and DFG C4-Gr894/2-3
Spectra of 208Pb(p,p’) were measured on all IAR between Ep=14.9 and 17.8 MeV in 209Bi at scattering angles 20 ∘− 115 ∘ with an energy resolution of 4 · 10−4 and a background less than 2 · 10−3 for strong lines. From the angular distributions neutron particle-hole shell model configurations can be determined; in some cases also spins can be derived. Assuming a nearly complete neutron and proton particle-hole configuraion space for some subset of states in 208Pb, the residual interaction among particle-holes states can be determined. The identification of the states in 208Pb is crucial. Special care was taken to measure small components of particle-hole configurations, since they enter into the orthogonality in a sensitive manner.