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Simple Nuclear Structure in Cd111-129 from Atomic Isomer Shifts KU Leuven
Isomer shifts have been determined in 111–129Cd by high-resolution laser spectroscopy at CERN ISOLDE.The corresponding mean square charge-radii changes, from the 1/2+ and the 3/2+ ground statesto the 11/2− isomers, have been found to follow a distinct parabolic dependence as a function of the atomicmass number. Since the isomers have been previously associated with simplicity due to the linear massdependence of their quadrupole moments, the ...
Monopole-Driven Shell Evolution below the Doubly Magic Nucleus Sn-132 Explored with the Long-Lived Isomer in Pd-126 KU Leuven
Anewisomer with a half-life of 23.0(8) ms has been identified at 2406 keVin 126Pd and is proposed to havea spin and parity of 10þ with a maximally aligned configuration comprising two neutron holes in the 1h11=2orbit. In addition to an internal-decay branch through a hindered electric octupole transition, β decay from thelong-lived isomer was observed to populate excited states at high spins in 126Ag.The smaller energy differencebetween the 10þ ...
Experimental Study of the Two-Body Spin-Orbit Force in Nuclei KU Leuven
Energies and spectroscopic factors of the first 7=2−, 3=2−, 1=2−, and 5=2− states in the 35Si21 nucleuswere determined by means of the (d, p) transfer reaction in inverse kinematics at GANIL using the MUST2and EXOGAM detectors. By comparing the spectroscopic information on the 35Si and 37S isotones, areduction of the p3=2-p1=2 spin-orbit splitting by about 25% is proposed, while the f7=2-f5=2 spin-orbitsplitting seems to remain constant. These ...
Ingredients of supergravity KU Leuven
Infinite-Order Transitions in Density-Functional Models of Wetting KU Leuven
A class of density-functional models for wetting transitions is defined. A necessary condition for the transitions to be of higher than first order is derived. A locus of wetting transitions in the plane of two model field variables is determined on which there are states of first-order and of higher-order, including infinite-order, transitions. The observed behavior is rationalized via a different but related, analytically soluble model.