Structure of As-68 studied via the C-12(Ni-58,pn) reaction

Summary, in English

Excited states of As-68 nucleus were populated through the C-12(Ni-58,pn) reaction and investigated by in-beam gamma-spectroscopic methods. The NORDBALL detector array equipped with charged particle and neutron detectors was used to detect the evaporated particles and gamma-rays. The level scheme of As-68 was constructed on the basis of gamma gamma-coincidence relations up to 6 MeV excitation energy and J(pi) = (15(+)). The structure of the nucleus is discussed in the framework of the interacting boson-fermion-fermion model. The states below 2.3 MeV are described as members of proton-neutron-phonon multiplets. (C) 1998 Elsevier Science B.V.

• Author: D Sohler; Z Dombradi; S Brant; Joakim Cederkäll; M Lipoglavsek; M Palacz; V Paar; J Persson; A Atac; C Fahlander; H Grawe; A Johnson; A Kerek; W Klamra; J Kownacki; A Likar; LO Norlin; J Nyberg; R Schubart; D Seweryniak; G de Angelis; P Bednarczyk; D Foltescu; D Jerrestam; S Juutinen; E Makela; BM Nyako; M de Poli; HA Roth; T Shizuma; O Skeppstedt; G Sletten; S Tormanen
• Publishing year: 1998
• Language: English
• Pages: 141-161
• Publication/Series: Nuclear Physics, Section A
• Volume: 644
• Issue: 3
• Links: http://dx.doi.org/10.1016/S0375-9474(98)00575-2
• Document type: Journal article
• Publisher: Elsevier
• Topic: Subatomic Physics
• Keywords: 15 Ge+BGO anti-Compton spectrometers; enriched targets; pi; J; As-68 deduced levels; angular distribution ratios; particle coin; gamma gamma; I gamma; measured E gamma; pn); C-12(Ni-58; E = 261 MeV; 30 BaF2; detectors; 21 element 4 pi Si charged particle detector array; 11; element 1 pi neutron wall; interacting boson-fermion-fermion model; calculations
• Status: Published
• ISBN/ISSN/Other: ISSN: 0375-9474