Berlin 2005 – wissenschaftliches Programm

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HK: Physik der Hadronen und Kerne

HK 10: Kernphysik/Spektroskopie

HK 10.5: Vortrag

Freitag, 4. März 2005, 18:00–18:15, TU MA005

Neutron transfer reactions on Ni isotopes^* — •M. Mahgoub¹, A. Bergmaier¹, G. Dollinger¹, T. Faestermann¹, H.-F. Wirth², R. Gernhäuser¹, R. Hertenberger², Th. Kröll¹, R. Krücken¹, T. Behrens¹, P. Maierbeck¹, F. Nebel¹, and M. Schlarb¹ — ¹Physik-Department E12, TU München, 85748 Garching, Germany — ²Sektion Physik, LMU München, 85748 Garching, Germany

One and two neutron transfer reactions enable us to study the evolution of the shell structure for the long isotopic chain of magic Ni isotopes. We intend to test the residual interactions used in recent shell model calculations for the fp-shell region. Additionally, the investigation of simultaneous and sequential transfer of two neutrons reveals new information on the pairing correlations in these nuclei. For the reactions (p^→,d) and (p^→,t), the light reaction products were analyzed with the Q3D magnetic spectrograph. Since we plan to extend our studies to exotic Ni nuclei, we develop (d,p) and (t,p) reactions in inverse kinematics using CD₂ targets as well as deuterium or, in future, tritium loaded Ti foils. The protons are detected in backward direction by an annular Si detector (DSSSD). The data are analised with DWBA utilising the FRESCO code. The extracted spectroscopic factors are compared with predictions from shell model calculations. First results will be presented and discussed. ^* Supported by BMBF, MLL, and DFG under contract KR2326/1-1.