Speaker
Dr
Kevin Fossez
(NSCL/MSU)
Description
The presence of neutron and proton shell closures in the nucleus $^{28}$O, together with strong continuum coupling effects, make neutron-rich oxygen isotopes a unique laboratory for testing nuclear models. In this work, we investigate neutron-rich oxygen isotopes using the Gamow Shell Model and the Density Matrix Renormalization Group method with an effective finite-range two-body interaction optimized to the bound states and resonances of $^{23-26}$O assuming a core of $^{22}$O. Our results suggest the existence of narrow excited states in $^{25}$O and $^{27}$O decaying by neutron and gamma emission, and a near-threshold ground-state for $^{28}$O.
Primary author
Dr
Kevin Fossez
(NSCL/MSU)
Co-authors
Dr
Nicolas Michel
(NSCL/MSU)
Prof.
Witold Nazarewicz
(MSU)
Mrs
jimmy rotureau
(MSU)