Conveners
R2-7 Nuclear Structure IV (DNP) | Structure nucléaire IV (DPN)
- Corina Andreoiu (Simon Fraser University)
Nuclear decays are windows to test the validity of predictions of the Standard Model. In special, nuclear β-decay data of superallowed 0+→0+ transitions has provided crucial experimental input to tests of the unitarity of the Cabibbo-Kobayashi-Maskawa (CKM) quark-mixing matrix. These studies require precise understanding of properties of these special transitions, such as half-life, branching...
A realistic description of atomic nuclei, in particular light nuclei characterized by clustering and low-lying breakup thresholds, requires a proper treatment of continuum effects. We have developed a new approach, the No-Core Shell Model with Continuum (NCSMC) [1,2], capable of describing both bound and unbound states in light nuclei in a unified way. With chiral two- and three-nucleon...
Shape coexistence is a unique phenomenon of the atomic core in which the nucleus displays intrinsically different shapes in a small energy range. Two of the main observables which have emerged as model-independent probes of this phenomenon are the measurement of transition strengths, in particular B(E2) and $\rho ^2$(E0) [1]. These transition strengths are particularly sensitive to the...
The region of neutron-rich tin isotopes near mass number 130 is of great interest to nuclear structure. In particular, $^{132}$Sn with 50 protons and 82 neutrons is a doubly magic nucleus which provides an essential benchmark for the shell model far from stability. Understanding the structure of this nucleus provides a foundation to understand the single-particle nature of excited states in...
The level structure of neutron rich $^{93,94,95}$Sr were studied via the \dtsr{94,95,96}, one neutron pickup reactions at TRIUMF. Excited states were populated when $^{94,95,96}$Sr beams of 5.5 AMeV bombarded a
0.44 (4) mg/cm$^2$ CD$_2$ target. The de-exciting $\gamma$-rays and outgoing charged particles were detected by using the TIGRESS and SHARC arrays, respectively.
The level scheme was...
