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Spectroscopy of Na: Bridging the two-proton radioactivity of Mg
Authors:M Assié  F de Oliveira Santos  T Davinson  F de Grancey  L Achouri  J Alcántara-Núñez  T Al Kalanee  J-C Angélique  C Borcea  R Borcea  L Caceres  I Celikovic  V Chudoba  DY Pang  C Ducoin  M Fallot  O Kamalou  J Kiener  Y Lam  A Lefebvre-Schuhl  G Lotay  J Mrazek  L Perrot  AM Sánchez-Benítez  F Rotaru  M-G Saint-Laurent  Yu Sobolev  N Smirnova  M Stanoiu  I Stefan  K Subotic  P Ujic  R Wolski  PJ Woods
Institution:1. GANIL, CEA/DSM-CNRS/IN2P3, Caen, France;2. Institut de Physique Nucléaire, Université Paris-Sud-11-CNRS/IN2P3, 91406 Orsay, France;3. SUPA School of Physics and Astronomy, The University of Edinburgh, Edinburgh EH9 3JZ, UK;4. LPC/ENSICAEN, Blvd du Maréchal Juin, 14050 Caen Cedex, France;5. Departamento de Fisica de Partículas, Universidade de Santiago de Compostela, E15782, Spain;6. Horia Hulubei National Institute for Physics and Nuclear Engineering, P.O. Box MG-6, 76900 Bucharest, Romania;g VINCA Institute of Nuclear Sciences, University of Belgrade, P.O. Box 522, 11001 Belgrade, Serbia;h Flerov Laboratory of Nuclear Reactions, JINR RU-141980 Dubna, Russia;i Institute of Physics, Silesian University in Opava, Bezruc?ovo na?m. 13, 746 01 Opava, Czech Republic;j INFN – Sezione di Catania, Via S. Sofia 64, Catania 95123, Italy;k Subatech 4 rue Alfred Kastler, BP 20722, F-44307 Nantes Cedex 3, France;l CSNSM, Université Paris-Sud-11, CNRS/IN2P3, 91405 Orsay-Campus, France;m CENBG CNRS/IN2P3 – Université Bordeaux 1, Le Haut Vigneau, 33175 Gradignan cedex, France;n Nuclear Physics Institute ASCR, 250 68 Rez, Czech Republic;o Departamento de Física Aplicada, Universidad de Huelva, E-21071 Huelva, Spain;p The Henryk Niewodniczański Institute of Nuclear Physics PAS, Cracow, Poland
Abstract:The unbound nucleus 18Na, the intermediate nucleus in the two-proton radioactivity of 19Mg, was studied by the measurement of the resonant elastic scattering reaction H(17Ne,p)17Ne performed at 4 A.MeV using a radioactive beam from the SPIRAL Facility. Spectroscopic properties of the low-lying states were obtained in an R-matrix analysis of the excitation function.
Keywords:Two-proton radioactivity  Resonant elastic scattering  19Mg  18Na  17Ne
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