EPJ Web of Conferences
Volume 66, 2014INPC 2013 – International Nuclear Physics Conference
|Number of page(s)||4|
|Published online||20 March 2014|
In-beam γ-ray spectroscopy of 38,40,42Si
1 RIKEN Nishina Center Wako, Saitama 351-0198, Japan
2 Department of Physics, Rikkyo University, Toshima, Tokyo 172-8501, Japan
3 State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, People’s Republic of China
4 National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan, 48824 USA
5 Grand Accélérateur National dIons Lourds, CEA/DSM-CNRS/IN2P3, F-14076 Caen Cedex 5, France
6 Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
7 Physik Department, Technische Universität München, D-85748 Garching, Germany
8 LPC-ENSICAEN, IN2P3-CNRS et Université de Caen, F-14050, Caen Cedex, France
9 Center for Nuclear Study, University of Tokyo, RIKEN campus, Wako, Saitama 351-0198 Japan
10 Physics Division, Argonne National Laboratory, Argonne, Illinois 60439, USA
11 Department of Physics, University of Richmond, Richmond, Virginia 23173, USA
12 Physics Department, University of York, Heslington York YO10 5DD, United Kingdom
13 Department of Physics, Tokyo Institute of Technology, Meguro, Tokyo 152-8551, Japan
14 Institut für Kernphysik, Johann-Wolfgang-Goethe-Universität, D-60486 Frankfurt, Germany
15 GHI Helmholtzzentrum für Schwerionenforschung, D-64291 Darmstadt, Germany
16 Institut de Physique Nucléaire, IN2P3-CNRS, Université de Paris Sud, F-91406 Orsay, France
a Center for Nuclear Study, University of Tokyo, RIKEN campus, Wako, Saitama 351-0198, Japan
b e-mail: email@example.com
Published online: 20 March 2014
Excited states in the nuclei 38,40,42 Si have been studied using in-beam Γ-ray spectroscopy following multi-nucleon removal reactions to investigate the systematics of excitation energies along the Z=14 isotopic chain. The most probable candidates for the transition from the yrast 4+ state were tentatively assigned among several γ lines newly observed in the present study. The energy ratios between the 21+ and 41+ states were obtained to be 2.09(5), 2.56(5) and 2.93(5) for 38,40,42Si, respectively, indicating a rapid development of deformation in Si isotopes from N=24 to, at least, N=28.
© Owned by the authors, published by EDP Sciences, 2014
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