208Po populated through EC/β+decay

The structure of 208Po resulting from the EC/β + decay of 208At was studied at CERN’s ISOLDE Decay Station (IDS). The high statistics afforded by the high yield of 208At and the high efficiency HPGe clusters at the IDS allowed for greater insight into lower intensity transitions and thus significant expansion of the 208Po level scheme. Furthermore, investigation into the isomeric state yielded a new half life 377(9) ns in addition to uncovering new transitions populating the state.The research leading to these results has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement no. 654002. As well as the Science and Technology Facilities Council (UK) through grants ST/P005314/1, ST/L005743/1, ST/J000051/1, ST/L005670/1, and ST/P004598/1 and (PHR) by the UK Department of Business, Energy and Industrial Strategy (BEIS) via the National Measurement System. Further funding was provided by the German BMBF under contract 05P18PKCIA and ”Verbundprojekt 05P2018” as well as the Spanish MINECO grant FPA2015-65035-P.Peer reviewe

High spin structure of34S and the proton-neutron coupling of intruder states

none31The nucleus 34S has been studied up to relatively high spin (I=10ℏ) and up to an excitation energy of 16.64 MeV. Data are compared with different shell model calculations where effective interactions involving two main shells, the sd and the fp, are used. For the first time in an N≠Z nucleus, it is observed that the promotion of an isoscalar (T=0) proton-neutron pair to the fp shell becomes energetically favored at high spin.noneP. MASON; N. MARGINEAN; S. M. LENZI; M. IONESCU-BUJOR; F. DELLA VEDOVA; D. R. NAPOLI; T. OTSUKA; Y. UTSUNO; F. NOWACKI; M. AXIOTIS; D. BAZZACCO; P. G. BIZZETI; A. BIZZETI-SONA; F. BRANDOLINI; M. A. CARDONA; G. DE ANGELIS; E. FARNEA; A. GADEA; D. HOJMAN; A. IORDACHESCU; C. KALFAS; TH. KROLL; LUNARDI S.; T. MARTINEZ; C. M. PETRACHE; B. QUINTANA; R. V. RIBAS; C. ROSSI ALVAREZ; C. A. UR; R. VLASTOU; S. ZILIOP., Mason; N., Marginean; Lenzi, SILVIA MONICA; M., IONESCU BUJOR; DELLA VEDOVA, Francesca; D. R., Napoli; T., Otsuka; Y., Utsuno; F., Nowacki; M., Axiotis; D., Bazzacco; P. G., Bizzeti; A., BIZZETI SONA; Brandolini, Franco; M. A., Cardona; G., DE ANGELIS; E., Farnea; A., Gadea; D., Hojman; A., Iordachescu; C., Kalfas; Kroll, T. H.; Lunardi, Santo; T., Martinez; C. M., Petrache; B., Quintana; R. V., Ribas; C., ROSSI ALVAREZ; C. A., Ur; R., Vlastou; S., Zili