ISOLDE Workshop and Users meeting 2017

First Observation of the Low-Spin Structure of 213Fr Populated in the EC/β+ Decay of 213Ra

5 Dec 2017, 17:05

15m

503/1-001 - Council Chamber (CERN)

Submitted Session 4

Speaker

Ms Cristina CLISU (IFIN-HH)

Description

The level scheme of 213Fr was investigated for the first time through γ-ray spectroscopy at ISOLDE, CERN. An A=232 molecular beam of 213Ra+19F was sent to the ISOLDE Decay Station setup, where γ-rays and charged particles were detected using HPGe clover detectors and DSSSDs, respectively. Low-spin excited states in the semi-magic 213Fr (N=126) were populated in the EC/β+ decay of the 1/2- ground state of 213Ra and the level scheme was constructed starting from the previously reported 498 keV γ-ray depopulating the (7/2-) first excited state and contains over 10 new levels and 20 new transitions. The results will be discussed and compared with neighboring N=126 nuclei.

Presentation materials

The First Observation of the Low Spin Structure of 213Fr Populated in Beta+ Decay of 213Ra.pptx