Electric dipole strength of⁵²Ca

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

NUOVO CIMENTO C-COLLOQUIA AND COMMUNICATIONS IN PHYSICS（2024）

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摘要

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.

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Electric dipole strength of 52Ca

Electric dipole strength of⁵²Ca