EPJ Web of Conferences
Volume 66, 2014INPC 2013 – International Nuclear Physics Conference
|Number of page(s)||4|
|Published online||20 March 2014|
Search for halo nucleus in Mg isotopes through the measurements of reaction cross sections towards the vicinity of neutron drip line
1 Gesellschaft für Schwerionenforschung GSI, 64291 Darmstadt, Germany
2 RIKEN, Nishina Center, Wako, Saitama 351-0106, Japan
3 Department of Physics, Niigata University, Niigata 950-2102, Japan
4 Department of Physics, Tokyo University of Science, Chiba, 278-8510, Japan
5 Department of Physics, Osaka University, Osaka 560-0043, Japan
6 Department of Physics, Saitama University, Saitama 338-8570, Japan
7 Institute of Physics, University of Tsukuba, Ibaragi, 305-8571, Japan
8 Cyclotron and Radioisotope Center, Tohoku University, Aoba-ku, Sendai 980-8578, Japan
9 Research Center of Nuclear Physics (RCNP), Osaka University, Ibaraki 567-0047, Japan
10 Shanghai Institute of Applied Physics, Chinese Academy of Sciences, P. O. Box 800-204, Shanghai 201800, China
11 Department of Physics and Astronomy, Uppsala University, 751-20, Uppsala, Sweden
12 Faculty of Engineering, Kochi University of Technology Kochi, 782-8502, Japan
13 Department of Physics, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
14 Department of Physics, Kyushu University, Fukuoka 812-8581, Japan
15 Creative Research Institution (CRIS), Hokkaido University, Sapporo 001-0021, Japan
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Published online: 20 March 2014
Reaction cross sections (σR) for 24–38Mg on C targets at the energies of around 240 MeV/nucleon have been measured precisely at RIBF, RIKEN for the purpose of obtaining the crucial information on the changes of nuclear structure in unstable nuclei, especially around the so-called “island of inversion” region. In the island of inversion region, which includes neutron-rich Ne, Na, and Mg isotopes, the vanishing of the N = 20 magic number for neutrons have been discussed along with nuclear deformation. The present result suggest deformation features of Mg isotopes and shows a large cross section of weakly-bound nucleus 37Mg, which could be caused by a neutron halo formation.
© Owned by the authors, published by EDP Sciences, 2014
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