The electric dipole strength above the one-neutron separation energy has been measured in the neutron-rich nucleus 52Ca using the Coulomb excitation at 223 MeV/nucleon in inverse kinematics. The gamma-ray detector array CATANA, the neutron detector NeuLAND demonstrator, and the SAMURAI spectrometer at RIKEN Nishina Center were combined to reconstruct the excitation energy of 52Ca. A observed sharp peak at the very low neutron energy in the 52Ca -> 51Ca +n channel indicates that 52Ca has a sizable amount of dipole strength just above the one neutron threshold.
Electric dipole strength of 52Ca / Y. Togano, T. Nakamura, T. Kobayashi, T. Aumann, H. Baba, K. Boretzky, A. Bracco, F. Browne, F. Camera, H. Chae, S. Chan, N. Chiga, H. Choi, L. Cortes, F. Delaunay, D. Dell'Aquila, Z. Elekes, Y. Fujino, I. Gasparic, J. Gibelin, K.I. Hahn, Z. Halasz, A. Horvat, K. Ieki, T. Inakura, T. Isobe, D. Kim, G. Kim, H. Ko, Y. Kondo, D. Koerper, S. Koyama, Y. Kubota, I. Kuti, M. Matsumoto, A. Matta, B. Million, T. Motobayashi, I. Murray, N. Nakatsuka, N. Orr, H. Otsu, V. Panin, S.Y. Park, W. Rodriguez, D. Rossi, A.T. Saito, M. Sasano, H. Sato, Y. Shimizu, H. Simon, L. Stuhl, Y.L. Sun, S. Takeuchi, T. Tomai, H. Toernqvist, T. Uesaka, V. Vaquero, O. Wieland, K. Wimmer, H. Yamada, Z. Yang, M. Yasuda, K. Yoneda. - In: IL NUOVO CIMENTO C. - ISSN 2037-4909. - 47:2(2024 Apr), pp. 30.1-30.6. (Intervento presentato al convegno COMEX7 tenutosi a Catania nel 2023) [10.1393/ncc/i2024-24030-3].
Electric dipole strength of 52Ca
A. Bracco;F. Camera;
2024
Abstract
The electric dipole strength above the one-neutron separation energy has been measured in the neutron-rich nucleus 52Ca using the Coulomb excitation at 223 MeV/nucleon in inverse kinematics. The gamma-ray detector array CATANA, the neutron detector NeuLAND demonstrator, and the SAMURAI spectrometer at RIKEN Nishina Center were combined to reconstruct the excitation energy of 52Ca. A observed sharp peak at the very low neutron energy in the 52Ca -> 51Ca +n channel indicates that 52Ca has a sizable amount of dipole strength just above the one neutron threshold.File | Dimensione | Formato | |
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