Sökning: "Zhenxiang Xu"

Hittade 2 avhandlingar innehållade orden Zhenxiang Xu.

1. 1. Multistep Shell Model in the Complex Energy Plane

   Författare :Zhenxiang Xu; Ramon Wyss; Chong Qi; Marek Płoszajczak; KTH; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

   Sammanfattning : In this thesis the properties of unbound nuclei like 12,13Li are studiedby extending the multistep shell model to the complex energy plane. Thenuclei 12Li and 13Li are described starting from the one-particle states in 10Liand two-particle states in 11Li. The ground state of 12Li is found to be anantibound state. LÄS MER

3. 2. Analysis of the Unbound Spectra of 12Li and 13Li

   Författare :Zhenxiang Xu; Ramon Wyss; Osvaldo Civitatese; KTH; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Nuclear physics; Kärnfysik;

   Sammanfattning : The properties of unbound nuclei 12Li and 13Li are calculated within themultistep shell model in the complex energy plane by assuming that the spectraare determined by the motion of neutrons outside the 9Li core. It is foundthat in 12Li the ground state consists of an antibound 1/2+ state and thatonly this and a 1/2− and a 5/2+ excited states are physically meaningfulresonances. LÄS MER