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Neutron occupancy of 0d5/2 orbital in 24O

EPJ Web of Conferences. 2014;66:02103 DOI 10.1051/epjconf/20146602103

 

Journal Homepage

Journal Title: EPJ Web of Conferences

ISSN: 2100-014X (Online)

Publisher: EDP Sciences

LCC Subject Category: Science: Physics

Country of publisher: France

Language of fulltext: English

Full-text formats available: PDF

 

AUTHORS


Tshoo K. (RISP, Institute for Basic Science)

Satou Y. (Department of Physics and Astronomy, Seoul National University)

Bhang H. (Department of Physics and Astronomy, Seoul National University)

Choi S. (Department of Physics and Astronomy, Seoul National University)

Nakamura T. (Department of Physics, Tokyo Institute of Technology)

Kondo Y. (Department of Physics, Tokyo Institute of Technology)

Deguchi S. (Department of Physics, Tokyo Institute of Technology)

Kawada Y. (Department of Physics, Tokyo Institute of Technology)

Kobayashi N. (Department of Physics, University of Tokyo)

Nakayama Y. (Department of Physics, Tokyo Institute of Technology)

Tanaka K.N. (Department of Physics, Tokyo Institute of Technology)

Tanaka N. (Department of Physics, Tokyo Institute of Technology)

Togano Y. (Department of Physics, Tokyo Institute of Technology)

Aoi N. (Research Center for Nuclear Physics, Osaka University)

Ishihara M. (RIKEN Nishina Center)

Motobayashi T. (RIKEN Nishina Center)

Otsu H. (RIKEN Nishina Center)

Sakurai H. (RIKEN Nishina Center)

Takeuchi S. (RIKEN Nishina Center)

Yoneda K. (RIKEN Nishina Center)

Delaunay F. (LPC-Caen, ENSICAEN, Université de Caen)

Gibelin J. (LPC-Caen, ENSICAEN, Université de Caen)

Marqués F.M. (LPC-Caen, ENSICAEN, Université de Caen)

Orr N.A. (LPC-Caen, ENSICAEN, Université de Caen)

Honda T. (Department of Physics, Rikkyo University)

Matsushita M. (Center for Nuclear Study, University of Tokyo)

Kobayashi T. (Center for Nuclear Study, University of Tokyo)

Miyashita Y. (Department of Physics, Tokyo University of Science)

Sumikama T. (Department of Physics, Tohoku University, Aoba)

Yoshinaga K. (Department of Physics, Tokyo University of Science)

Shimoura S. (Center for Nuclear Study, University of Tokyo)

Sohler D. (Institute for Nuclear Research of the Hungarian Academy of Sciences)

Zheng T. (School of Physics and State Key Laboratory of Nuclear Physics and Technology, Peking University)

Cao Z.X. (School of Physics and State Key Laboratory of Nuclear Physics and Technology, Peking University)

Li Z.H. (School of Physics and State Key Laboratory of Nuclear Physics and Technology, Peking University)

EDITORIAL INFORMATION

Editorial review

Editorial Board

Instructions for authors

Time From Submission to Publication: 6 weeks

 

Abstract | Full Text

The partial one-neutron removal cross section of 24O leading to the first excited state in 23O has been measured to be 65.7 ± 5.3 mb with a proton target in inverse kinematics at the beam energy of 62 MeV/nucleon. The decay energy spectrum of the neutron unbound state of 23O was reconstructed from the measured four momenta of 22O and the emitted neutron. A sharp peak was observed at Edecay = 48 ± 3 keV, confirming the previous measurements. The measured partial longitudinal momentum distribution of 23O* showed the d-wave knockout character, providing a support for the Jπ assignment of 5/2+ for this state. The spectroscopic factor for the neutrons in 0d5/2 orbital was deduced, for the first time, to be C2S(0d5/2) = 3.7 ± 0.3 (preliminary) by comparing with the result of Glauber model. The relatively large spectroscopic factor supports the N = 16 shell closure in the neutron drip-line nucleus 24O.