Direct extraction of the isovector deformation parameter β(1)2 from the (p,n) reaction of 56Fe |
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| Authors: | H Orihara T Murakami S Nishihara T Nakagawa K Maeda K Miura H Ohnuma |
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| Institution: | Cyclotro nand radioisotope Center, Tohoku University, Sendai 980, Japan;Department of Physics, Faculty of Science, Tohoku University, Sendai 980, Japan;College of General Education, Tohoku University, Sendai 980, Japan;Tohoku Institute of Technology, Nagamachi-Koeji, Sendai 980, Japan;Department of Physics, Tokyo Institute of Technology, Oh-okayama, Meguro, Tokyo 152, Japan |
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| Abstract: | The reaction 56Fe(p, n)56Co leading to the analog of the ground state and the first excited 2+ state of 56Fe has been studied at Ep=20, 28, 32 and35MeV. The direct process dominates at higher energies, thus the direct extraction of the isovector deformation parameter β(1)2 is feasible. It is found that β(1)2 is about three times larger than β(0)2, the isoscalar deformation parameter. |
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