München 2019 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 5: Structure and Dynamics of Nuclei I

HK 5.5: Vortrag

Montag, 18. März 2019, 15:15–15:30, HS 14

Coulex of ¹⁴²Xe — •Corinna Henrich for the IS548-MINIBALL collaboration — TU Darmstadt, Darmstadt, Germany

Coulomb excitation is a perfect tool to investigate the structure of ¹⁴²Xe as it gives access to quadrupole as well as octupole collectivity. The isotope is of particular interest as it is located in a region through which the r-process is expected to pass and also as it is in the proximity of ¹⁴⁴Ba, which shows the largest octupole collectivity in the region. The experimental campaign was carried out at HIE-ISOLDE (CERN) in 2016. After undergoing "safe" Coulomb excitation, beam and target nuclei were detected with C-REX, an array of segmented Si detectors, which covers forward and backward angles. The MINIBALL spectrometer was used to detect the emitted gamma rays in coincidence.

This work is supported by BMBF under contract 05P15RDCIA and 05P18RDCIA, by the EU under contract ENSAR 262010 and by ISOLDE.