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

Research output: Contribution to journalArticle

Abstract

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.

Details

Authors
  • D Sohler
  • Z Dombradi
  • S Brant
  • 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
External organisations
  • External Organization - Unknown
Research areas and keywords

Subject classification (UKÄ) – MANDATORY

  • 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
Original languageEnglish
Pages (from-to)141-161
JournalNuclear Physics, Section A
Volume644
Issue number3
Publication statusPublished - 1998
Publication categoryResearch
Peer-reviewedYes
Externally publishedYes