Shell structure of the neutron-rich isotopes Co69,71,73

T Lokotko,M Sasano,A Delbart,Z Korkulu,J Wu,S Chen,S Momiyama,A Peyaud,R Taniuchi,D Suzuki,F Château,E C Pollacco,H Baba,S Koyama,C Shand,T Isobe,F Nowacki,V Lapoux,R Lozeva,I Stefan,K Yoshida,S Franchoo,M Lettmann,T Motobayashi,Z Y Xu,A Corsi,C Louchart,G Authelet,D Steppenbeck,C Santamaria,J.-Y Roussé,P.-A Söderström,P Doornenbal,K Matsui,A Gottardo,S Leblond,L X Chung,J.-M Gheller,J Lee,T Uesaka,H Otsu,H Wang,M Matsushita,L Olivier,V Werner,S Ota,S Nishimura,A Gillibert,Zs Vajta,A Poves,D Calvet,Z Patel,F Browne,A Obertelli,F Giacoppo,T Sumikama,Yuki Kubota ,M Nııkura ,Zs Dombrádi ,K Hadyńska-Klȩk ,E Šahin ,Kazuyuki Ogata ,Takamichi Miyazaki ,Clara Péron ,H Sakuraï ,Yoshinori Shiga ,Satoshi Takeuchi

doi:10.1103/physrevc.101.034314

Shell structure of the neutron-rich isotopes Co69,71,73

T Lokotko, M Sasano + Show 65 more

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https://doi.org/10.1103/physrevc.101.034314

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Journal: Physical Review C	Publication Date: Mar 30, 2020
Citations: 11	License type: other-oa

Affiliation: University of Hong Kong, RIKEN Nishina Center, CEA Saclay, Institut de Recherche sur les Lois Fondamentales de l'Univers, Atomic Energy and Alternative Energies Commission, HUN-REN Institute for Nuclear Research, Peking University, The University of Tokyo, French National Centre for Scientific Research, Institut de Physique, Institut National de Physique Nucléaire et de Physique des Particules, University of Surrey, University of Strasbourg, Institut Polytechnique de Paris, University of Paris-Saclay, Campus France, Japan Atomic Energy Agency, Advanced Science Research Center, Technical University of Darmstadt, RIKEN, Institute for Nuclear Science and Technology, Autonomous University of Madrid, University of Brighton, University of Oslo, Tohoku University, Osaka University, Osaka City University, Rikkyo University

#Radioactive Isotope Beam Factory #Distorted-wave Impulse Approximation + Show 8 more

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Abstract

The structures of the neutron-rich Co69,71,73 isotopes were investigated via (p,2p) knockout reactions at the Radioactive Isotope Beam Factory, RIKEN. Isotopes of interest were studied using the DALI2 γ-ray detector array combined with the MINOS target and tracker system. Level schemes were reconstructed using the γ-γ coincidence technique, with tentative spin-parity assignments based on the measured inclusive and exclusive cross sections. Comparison with shell-model calculations using the Lenzi-Nowacki-Poves-Sieja LNPS and PFSDG-U interactions suggests coexistence of spherical and deformed shapes at low excitation energies in the Co69,71,73 isotopes. The distorted-wave impulse approximation (DWIA) framework was used to calculate the single-particle cross sections. These values were compared with the experimental findings.

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